Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.
Ye - Video CVBS1 V
Wh - Audio L0.5 V
Rd -Audio R0.5 V
/ 75 ohmjq
PP
/ 10 kohmjq
RMS
/ 10 kohmjq
RMS
AV1: S-Video (Hosiden): Video Y/C - In
1-Ground YGndH
2-Ground CGndH
3-Video Y1 V
4-Video C0.3 V
/ 75 ohmj
PP
P / 75 ohmj
PP
AV2: S-Video (Hosiden): Video Y/C - In
1-Ground YGndH
2-Ground CGndH
3-Video Y1 V
4-Video C0.3 V
/ 75 ohmj
PP
P / 75 ohmj
PP
AV2: Cinch: Video CVBS - In, Audio - In
Ye - Video CVBS1 V
Wh - Audio L0.5 V
Rd -Audio R0.5 V
/ 75 ohmjq
PP
/ 10 kohmjq
RMS
/ 10 kohmjq
RMS
AV3: Cinch: Video YPbPr - In
Gn -Video Y1 V
Bu - V ideo Pb0.7 V
Rd -Video Pr0.7 V
/ 75 ohmjq
PP
/ 75 ohmjq
PP
/ 75 ohmjq
PP
EN 4BJ3.0A LA1.
1.3Chassis Overview
Technical Specifications, Connections, and Chassis Overview
AMBI LIGHT PANEL
AL
STANDBY / AUDIO
SA
PANEL
SMALL SIGNAL
B
BOARD
CONTROL BOARD
E
LED PANEL
J
Figure 1-4 PWB/CBA locations (32-inch model)
G_15970_034.eps
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MAIN SUPPLY PANEL
AMBI LIGHT PANEL
SIDE I/O PANEL
EXTERNAL I/O
PANEL
SUPPLY PANEL
A
AL
D
BE
A
AMBI LIGHT PANEL
AL
AUDIO PANEL
C
SMALL SIGNAL
B
BOARD
CONTROL BOARD
E
LED PANEL
J
Figure 1-5 PWB/CBA locations (37-Inch model)
AMBI LIGHT PANEL
SIDE I/O PANEL
EXTERNAL I/O
PANEL
G_15950_041.eps
AL
D
BE
011206
Technical Specifications, Connections, and Chassis Overview
EN 5BJ3.0A LA1.
AMBI LIGHT PANEL
AL
PLATFORM SUPPLY
AP
PANEL
SMALL SIGNAL
B
BOARD
CONTROL BOARD
E
LED PANEL
J
JAGUAR INTERFACE
AB
PANEL
Figure 1-6 PWB/CBA locations (42-inch model)
G_15972_001.eps
301006
DISPLAY SUPPLY
PANEL
AMBI LIGHT PANEL
SIDE I/O PANEL
EXTERNAL I/O
PANEL
DISPLAY SUPPLY
PANEL
A
AL
D
BE
PLATFORM SUPPLY
AP
UNIT
CONTROL BOARD
E
SMALL SIGNAL
B
BOARD
LED PANEL
J
Figure 1-7 PWB/CBA locations (47-inch models)
G_16450_038.eps
211106
SIDE I/O PANEL
EXTERNAL I/O
PANEL
D
BE
EN 6BJ3.0A LA2.
Safety Instructions, Warnings, and Notes
2.Safety Instructions, Warnings, and Notes
Index of this chapter:
2.1 Safety Instructions
2.2 Warnings
2.3 Notes
2.1Safety Instructions
Safety regulations require the following during a repair:
•Connect the set to the Mains/AC Power via an isolation
transformer (> 800 VA).
•Replace safety components, indicated by the symbol h,
only by components identical to the original ones. Any
other component substitution (other than original type) may
increase risk of fire or electrical shock hazard.
Safety regulations require that after a repair, the set must be
returned in its original condition. Pay in particular attention to
the following points:
•Route the wire trees correctly and fix them with the
mounted cable clamps.
•Check the insulation of the Mains/AC Power lead for
external damage.
•Check the strain relief of the Mains/AC Power cord for
proper function.
•Check the electrical DC resistance between the Mains/AC
Power plug and the secondary side (only for sets that have
a Mains/AC Power isolated power supply):
1. Unplug the Mains/AC Power cord and connect a wire
between the two pins of the Mains/AC Power plug.
2. Set the Mains/AC Power switch to the "on" position
(keep the Mains/AC Power cord unplugged!).
3. Measure the resistance value between the pins of the
Mains/AC Power plug and the metal shielding of the
tuner or the aerial connection on the set. The reading
should be between 4.5 Mohm and 12 Mohm.
4. Switch "off" the set, and remove the wire between the
two pins of the Mains/AC Power plug.
•Check the cabinet for defects, to prevent touching of any
inner parts by the customer.
2.2Warnings
•All ICs and many other semiconductors are susceptible to
electrostatic discharges (ESD w). Careless handling
during repair can reduce life drastically. Make sure that,
during repair, you are connected with the same potential as
the mass of the set by a wristband with resistance. Keep
components and tools also at this same potential. Available
ESD protection equipment:
– Complete kit ESD3 (small tablemat, wristband,
connection box, extension cable and earth cable) 4822
310 10671.
– Wristband tester 4822 344 13999.
•Be careful during measurements in the high voltage
section.
•Never replace modules or other components while the unit
is switched "on".
•When you align the set, use plastic rather than metal tools.
This will prevent any short circuits and the danger of a
circuit becoming unstable.
2.3Notes
2.3.1General
•Measure the voltages and waveforms with regard to the
chassis (= tuner) ground (H), or hot ground (I), depending
on the tested area of circuitry. The voltages and waveforms
shown in the diagrams are indicative. Measure them in the
Service Default Mode (see chapter 5) with a colour bar
signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated
otherwise) and picture carrier at 475.25 MHz for PAL, or
61.25 MHz for NTSC (channel 3).
•Where necessary, measure the waveforms and voltages
with (D) and without (E) aerial signal. Measure the
voltages in the power supply section both in normal
operation (G) and in stand-by (F). These values are
indicated by means of the appropriate symbols.
•The semiconductors indicated in the circuit diagram and in
the parts lists, are interchangeable per position with the
semiconductors in the unit, irrespective of the type
indication on these semiconductors.
•Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the “double-D symbol”, are
trademarks of Dolby Laboratories.
2.3.2Schematic Notes
•All resistor values are in ohms, and the value multiplier is
often used to indicate the decimal point location (e.g. 2K2
indicates 2.2 kohm).
•Resistor values with no multiplier may be indicated with
either an "E" or an "R" (e.g. 220E or 220R indicates 220
ohm).
•All capacitor values are given in micro-farads (μ= x10
nano-farads (n= x10
•Capacitor values may also use the value multiplier as the
decimal point indication (e.g. 2p2 indicates 2.2 pF).
•An "asterisk" (*) indicates component usage varies. Refer
to the diversity tables for the correct values.
•The correct component values are listed in the Spare Parts
List. Therefore, always check this list when there is any
doubt.
2.3.3Rework on BGA (Ball Grid Array) ICs
General
Although (LF)BGA assembly yields are very high, there may
still be a requirement for component rework. By rework, we
mean the process of removing the component from the PWB
and replacing it with a new component. If an (LF)BGA is
removed from a PWB, the solder balls of the component are
deformed drastically so the removed (LF)BGA has to be
discarded.
Device Removal
As is the case with any component that, is being removed, it is
essential when removing an (LF)BGA, that the board, tracks,
solder lands, or surrounding components are not damaged. To
remove an (LF)BGA, the board must be uniformly heated to a
temperature close to the reflow soldering temperature. A
uniform temperature reduces the risk of warping the PWB.
To do this, we recommend that the board is heated until it is
certain that all the joints are molten. Then carefully pull the
component off the board with a vacuum nozzle. For the
appropriate temperature profiles, see the IC data sheet.
Area Preparation
When the component has been removed, the vacant IC area
must be cleaned before replacing the (LF)BGA.
Removing an IC often leaves varying amounts of solder on the
mounting lands. This excessive solder can be removed with
either a solder sucker or solder wick. The remaining flux can be
removed with a brush and cleaning agent.
After the board is properly cleaned and inspected, apply flux on
the solder lands and on the connection balls of the (LF)BGA.
Note: Do not apply solder paste, as this has been shown to
result in problems during re-soldering.
-9
), or pico-farads (p= x10
-12
-6
),
).
Safety Instructions, Warnings, and Notes
EN 7BJ3.0A LA2.
Device Replacement
The last step in the repair process is to solder the new
component on the board. Ideally, the (LF)BGA should be
aligned under a microscope or magnifying glass. If this is not
possible, try to align the (LF)BGA with any board markers.
So as not to damage neighbouring components, it may be
necessary to reduce some temperatures and times.
More Information
For more information on how to handle BGA devices, visit this
URL: www.atyourservice.ce.philips.com (needs subscription,
not available for all regions). After login, select “Magazine”,
then go to “Repair downloads”. Here you will find Information
on how to deal with BGA-ICs.
2.3.4Lead-free Solder
Philips CE is producing lead-free sets (PBF) from 1.1.2005
onwards.
Identification: The bottom line of a type plate gives a 14-digit
serial number. Digits 5 and 6 refer to the production year, digits
7 and 8 refer to production week (in example below it is 2006
week 17).
MODEL :
PROD.NO:
32PF9968/10
AG 1A0617 000001
220-240V 50/60Hz
VHF+S+H+UHF
S
MADE IN BELGIUM
~
128W
BJ3.0E LA
E_06532_024.eps
130606
•Use only original spare-parts listed in the Service-Manuals.
Not listed standard material (commodities) has to be
purchased at external companies.
•Special information for lead-free BGA ICs: these ICs will be
delivered in so-called "dry-packaging" to protect the IC
against moisture. This packaging may only be opened
shortly before it is used (soldered). Otherwise the body of
the IC gets "wet" inside and during the heating time the
structure of the IC will be destroyed due to high (steam-)
pressure inside the body. If the packaging was opened
before usage, the IC has to be heated up for some hours
(around 90°C) for drying (think of ESD-protection!).
Do not re-use BGAs at all!
•For sets produced before 1.1.2005, containing leaded
soldering tin and components, all needed spare parts will
be available till the end of the service period. For the repair
of such sets nothing changes.
In case of doubt whether the board is lead-free or not (or with
mixed technologies), you can use the following method:
•Always use the highest temperature to solder, when using
SAC305 (see also instructions below).
•De-solder thoroughly (clean solder joints to avoid mix of
two alloys).
Caution: For BG
profile, which is coupled to the 12NC. For an overview of these
profiles, visit the website www.atyourservice.ce.philips.com
(needs subscription, but is not available for all regions)
You will find this and more technical information within the
"Magazine", chapter "Repair downloads".
For additional questions please contact your local repair help
desk.
A-ICs, you must use the correct temperature-
Figure 2-1 Serial number example
Regardless of the special lead-free logo (which is not always
indicated), one must treat all sets from this date onwards
according to the rules as described below.
P
b
Figure 2-2 Lead-free logo
Due to lead-free technology some rules have to be respected
by the workshop during a repair:
•Use only lead-free soldering tin Philips SAC305 with order
code 0622 149 00106. If lead-free solder paste is required,
please contact the manufacturer of your soldering
equipment. In general, use of solder paste within
workshops should be avoided because paste is not easy to
store and to handle.
•Use only adequate solder tools applicable for lead-free
soldering tin. The solder tool must be able:
– To reach a solder-tip temperature of at least 400°C.
– To stabilise the adjusted temperature at the solder-tip.
– To exchange solder-tips for different applications.
•Adjust your solder tool so that a temperature of around
360°C - 380°C is reached and stabilised at the solder joint.
Heating time of the solder-joint should not exceed ~ 4 sec.
Avoid temperatures above 400°C, otherwise wear-out of
tips will increase drastically and flux-fluid will be destroyed.
To avoid wear-out of tips, switch “off” unused equipment or
reduce heat.
•Mix of lead-free soldering tin/parts with leaded soldering
tin/parts is possible but PHILIPS recommends strongly to avoid mixed regimes. If this cannot be avoided, carefully
clear the solder-joint from old tin and re-solder with new tin.
2.3.5Alternative BOM identification
In September 2003, Philips CE introduced a change in the way
the serial number (or production number, see Figure 2-1) is
composed. From this date on, the third digit in the serial
number (example: AG2B0335000001) indicates the number of
the alternative B.O.M. (Bill Of Materials) that has been used for
producing the specific TV set. In general, it is possible that the
same TV model on the market is produced with e.g. two
different types of displays, coming from two different suppliers.
This will then result in sets which have the same CTN
(Commercial Type Number; e.g. 28PW9515/12) but which
have a different B.O.M. number.
By looking at the third digit of the serial number, the service
technician can identify which B.O.M. is used for the TV set he
is working with.
If the third digit of the serial number contains the number 1
(example: AG1B033500001), then the TV set has been
manufactured according to B.O.M. number 1. If the third digit is
a 2 (example: AG2B0335000001), then the set has been
produced according to B.O.M. no. 2. Information about this is
important for ordering the correct spare parts!
For the third digit, the numbers 1...9 and the characters A...Z
can be used, so in total: 9 plus 26 = 35 different B.O.M.s can
be indicated by the third digit of the serial number.
2.3.6Board Level Repair (BLR) or Component Level Repair
(CLR)
If a board is defective, consult your repair procedure to decide
if the board has to be exchanged or if it should be repaired on
component level.
If your repair procedure says the board should be exchanged
completely, do not solder on the defective board. Otherwise, it
cannot be returned to the O.E.M. supplier for back charging!
EN 8BJ3.0A LA2.
2.3.7Practical Service Precautions
•It makes sense to avoid exposure to electrical shock.
While some sources are expected to have a possible
dangerous impact, others of quite high potential are of
limited current and are sometimes held in less regard.
•Always respect voltages. While some may not be
dangerous in themselves, they can cause unexpected
reactions that are best avoided. Before reaching into a
powered TV set, it is best to test the high voltage insulation.
It is easy to do, and is a good service precaution.
Safety Instructions, Warnings, and Notes
3.Directions for Use
You can download this information from the following websites:
•Figures below can deviate slightly from the actual situation,
due to the different set executions.
•Follow the disassemble instructions in described order.
•Mechanical instructions apply to the 32” and 47” sets. For
37” sets, refer to Service Manual BJ3.0 E LA.
4.1Cable Dressing
Figure 4-1 Cable dressing (32-inch models)
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Mechanical Instructions
EN 11BJ3.0A LA4.
Figure 4-2 Cable dressing (37-inch models)
G_15950_042.eps
060406
Figure 4-3 Cable dressing (42-inch models)
G_15972_002.eps
301006
EN 12BJ3.0A LA4.
Mechanical Instructions
Figure 4-4 Cable dressing (47-inch models)
G_16450_039.eps
141106
Mechanical Instructions
EN 13BJ3.0A LA4.
4.2Service Positions
For easy servicing of this set, there are a few possibilities
created:
•The buffers from the packaging.
•Foam bars (created for Service).
•Aluminium service stands (created for Service). Not
suitable for 47” sets with this chassis!
4.2.1Foam Bars
Required for sets
1
42”
Important: For (older) FTV sets without these "mushrooms", it
is obligatory to use the provided screws, otherwise it is possible
to damage the monitor inside!.
Caution: the aluminium Service Stands as described above
are not suitable for the 47-inch sets with this chassis. For
servicing, use the bypacked table-top stand that comes with
the set, or the foam bars.
4.3Assy/Panel Removal
4.3.132” Sets
1
Rear Cover
Disconnect the Mains/AC Power cord before you remove the
rear cover!
Note: a sticker containing the type number [1] has been added
on the right lower corner of the rear cover, allowing the
customer to read the number without lifting the set from the
wall.
1. Place the TV set upside down on a table top, using the
foam bars (see part “Foam Bars”).
Caution: do not put pressure on the display, but let the
monitor lean on the Front cover.
2. Remove the “mushrooms” from the Rear Cover.
3. Remove T10 tapping and parker screws [2] from the top,
centre, bottom, left and right side of the Rear Cover and
underneath the main I/O panel that hold the cover.
4. Lift the Rear Cover from the TV. Make sure that wires and
flat foils are not damaged while lifting the rear cover.
E_06532_018.eps
Figure 4-5 Foam bars
The foam bars (order code 3122 785 90580 for two pieces) can
be used for all types and sizes of Flat TVs. See figure “Foam
bars” for details. Sets with a display of 42” and larger, require
four foam bars [1].
Caution: Ensure that the foam bars are always supporting the
cabinet and never only the display.
By laying the TV face down on the (ESD protective) foam bars,
a stable situation is created to perform measurements and
alignments. By placing a mirror under the TV, you can monitor
the screen.
4.2.2Aluminium Stands
E_06532_019.eps
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171106
3
3
3
2
3
3
3
3
3
3
3
3
3
2
3
3
3
3
3
3
3
3
3
3
1
G_15970_036.eps
3
011206
Figure 4-7 Rear Cover removal
Speaker
After removing the rear cover, you gain access to the speakers.
Each speaker is fixed with four T10 screws [1]. See Figure
“Speaker removal”. After removal of these screws, the
speakers can be removed.
Caution: never disconnect the speakers with a playing set,
because otherwise the class-D audio amplifiers could be
damaged!
Figure 4-6 Aluminium stands (drawing of MkI)
The new MkII aluminium stands (not on drawing) with order
code 3122 785 90690, can also be used to do measurements,
alignments, and duration tests. The stands can be
(dis)mounted quick and easy by means of sliding them in/out
the "mushrooms". The new stands are backwards compatible
with the earlier models.
EN 14BJ3.0A LA4.
Mechanical Instructions
1
Figure 4-8 Speaker removal
AmbiLight Inverter Panel
There are two AmbiLight Inverter Panels used in this set.
Before they can be removed, the vertical brackets on the left
and right side that hold the “mushrooms” have to be removed.
Each one of them is fixed with four T10 tapping screws [1]. See
Figure “Right Vertical Bracket Removal” for instructions on how
to remove the brackets.
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2
1
1
1
1
G_15970_038.eps
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Figure 4-9 Right Vertical Bracket removal
The instructions to remove the right AmbiLight Inverter Panel
(seen from the back side of the set) are as follows:
1. Disconnect the cables [1] from the panel.
2. Push back the clamps [2] on the right side that hold the
assy.
3. Take out the panel (it hinges on the left side).
2
G_15970_039.eps
011206
Figure 4-10 AmbiLight right side Inverter Panel removal
Control Panel
The Control Panel can be taken out by removing the two T10
screws [1] that hold the plastic frame. See Figure “Control
panel removal”. The cable can not be disconnected from the
assy at this moment. While still connected to the assy, the
cable must now be released from the clamp on the chassis.
11
When defective, replace the whole unit.
G_15960_099.eps
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Figure 4-11 Control Panel removal
The assy is packed into two plastic frames. To unpack the
inner frame, lift the two clamps [1] of the outer frame and take
the inner frame out. See Figure “Control Panel Frame
removal”.
Mechanical Instructions
EN 15BJ3.0A LA4.
3. Disconnect all cables [3] from the SSB. This includes the
USB plug and the fragile LVDS cable [4]. For the latter, a
11
plastic cover has to be removed first.
4. Lift the SSB together with the Main I/O Panel from the set.
12
G_15960_100.eps
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Figure 4-12 Control Panel Frame removal
To take the assy out of the inner frame, lift the two clamps of
the frame [2] and slightly pull the assy out. Only now the cable
can be disconnected.
When defective, replace the whole unit.
Side I/O Panel
The Side I/O Panel can be removed together with its plastic
frame.
1. Disconnect the USB cable and the flat cable [1] from the
panel.
2. Push the plastic frame slightly downwards towards the
bottom of the set [2], and take the frame out together with
the assy.
3. Push back the clamps [3] on the left side that hold the assy.
4. Take out the assy from the plastic frame, it hinges on the
right side.
When defective, replace the whole unit.
33
4
555
6
5
1
6
5
2
1
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Figure 4-14 SSB top shielding
Removing the Shielding
1. Remove the T10 tapping screws [5]. See Figure “SSB top
shielding”.
2. Remove the T10 parker screws [6].
3. On the bottom shield, remove the T10 tapping screws [1].
See Figure “SSB bottom shielding”.
4. After the rear shielding is removed, the top shielding can be
removed.
11
3
41
22
G_15960_098.eps
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Figure 4-13 Side I/O panel removal
Small Signal Board (SSB) and Main I/O Panel
Caution: it is absolutely mandatory to remount all different
screws at their original position during re-assembly. Failure to
do so may result in damaging the SSB.
Removal from the Set
1. Remove the two T10 tapping screws [1] that hold the SSB.
See Figure “SSB top shielding”.
2. Disconnect the mains power supply cable on the Main
Supply Panel [2].
G_15960_094.eps
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Figure 4-15 SSB bottom shielding
Removing the SSB and Main I/O Panel
See Figure “SSB and main I/O panel”.
11
2
G_15960_103.eps
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Figure 4-16 SSB and Main I/O Panel
1. The SSB is mounted with two tapping T10 screws [1]. After
having unplugged the cables to the main I/O panel, they
are accessible.
2. The Main I/O Panel is mounted with four tapping T10
screws [2].
EN 16BJ3.0A LA4.
Mechanical Instructions
Standby / Audio Panel
See Figure “Standby / Audio Panel” for details.
1
G_15970_041.eps
Figure 4-17 Standby / Audio Panel
1. Remove the T10 tapping screws at the bottom of the
panel[1].
2. Unplug all cables.
3. Take the panel out (it hinges on the top side).
Main Supply Panel
See Figure “Main Supply Panel Removal” for details.
1
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Chassis Frame Removal
1
G_15970_043.eps
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Figure 4-19 Chassis Frame removal
1. Take out the SSB and main I/O panel as previously
described.
2. Remove the T10 tapping screws on the corners of the
frame[1]. During re-assembly, do not forget to reconnect
the earthcable.
3. Disconnect all cables on the right side of the left AmbiLight
Inverter Panel.
4. Disconnect all cables on the left side of the right AmbiLight
Inverter Panel.
5. Place the Side I/O and the Control Panel in the centre of
the set.
6. Release the cable that leads to the LED panel from all
clamps.
7. Carefully lift the frame from the set, together with the Audio/
Standby-, Main Supply-, Side I/O- and the Control Panel.
Pay special atttention not to damage the fragile LVDS
cable. See Figure “Chassis Frame lift”. Now the Speaker
Frame underneath the set can be removed by removing
the T10 parker screws that hold the frame. After removing
the screws, you can pull the frame downwards from the set.
G_15970_042.eps
Figure 4-18 Main Supply Panel removal
1. Unplug all cables.
2. Remove the T10 tapping screws [1].
3. Take the panel out, it hinges on the right side.
AmbiLight Diffusor Frame
Before the AmbiLight lamp units can be removed, the
AmbiLight Diffusor Frame must be lifted. Before this, the
Chassis Frame has to be removed, as described below.
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Figure 4-20 Chassis Frame lift
Horizontal Bracket Removal
1. Remove the T10 parker [1] and the T20 tapping screws [2]
that hold the Top- and Bottom Horizontal Bracket and take
them out one at the time. See Figure “Bottom Horizontal
Bracket removal” for details.
Mechanical Instructions
EN 17BJ3.0A LA4.
2
1
G_15970_045.eps
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Figure 4-21 Bottom Horizontal Bracket removal
AmbiLight Diffusor Frame removal
Before the AmbiLight Diffusor Frame can be lifted, the cable
that leads to the LED Panel must be released from the
remaining clamp. Now the frame can be lifted. See figure
“AmbiLight Diffusor Frame lift” for details.
1. Release the cable that leads to the LED Panel from its
clamp.
2. Remove the T10 parker screws [1] on the left, upper and
right side of the Ambilight Diffusor Frame. On the left and
right side, only unscrew the screws that are indicated with
an arrow (one on each side). See Figure “Ambilight
Diffusor Frame Removal”.
1
G_15970_047.eps
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Figure 4-23 AmbiLight Diffusor Frame lift
Now the AmbiLight lamp units can be removed from the frame.
Each of them is fixed with four T10 parker screws: two on the
inside and two on the outside of the frame.
G_15970_046.eps
Figure 4-22 Ambilight Diffusor Frame removal
200306
EN 18BJ3.0A LA4.
Mechanical Instructions
LED Panel
1. After the AmbiLight Diffusor Frame has been removed, the
LED Panel is accessible.
2. Remove the T10 mounting screws that hold the panel.
3. Take out the panel.
When defective, replace the whole unit. Reconnect the earthcable during re-assembly.
LCD Display Panel
When the AmbiLight Diffusor Frame has been removed, the
LCD display can be exchanged.
4.3.247” Sets
Rear Cover
Disconnect the Mains/AC Power cord before you remove the
rear cover!
See figure “Rear Cover removal” for details.
1. Place the TV set upside down on a table top, using the
foam bars (see part “Foam Bars”).
Caution: do not put pressure on the display, but let the
monitor lean on the front cover.
2. Remove the stand by removing the parker screws [1]. Use
a magnetic screwdriver.
3. Remove the mushrooms if mounted.
4. Remove the Torx- [2], parker- [3] and Torx- [4] screws.
5. Lift the Rear Cover from the TV. Make sure that wires and
flat foils are not damaged while lifting the rear cover.
33
4
4
4
4
4
1
1
1
1
G_16450_041.eps
141106
Figure 4-25 Speaker compartment
Caution: never disconnect the speakers with a playing set,
because otherwise the class-D audio amplifiers could be
damaged.
Control Panel
The Control Panel can be taken out by removing the screws [1]
that hold the frame. See Figure “Control panel removal”. The
cable can not be disconnected from the assy at this moment.
4
4
1
1
4
4
3
3
2
3
2
2
2
2
3
4
4
1
4
4
44
G_16450_040.eps
141106
Figure 4-24 Rear Cover removal
Speakers
To gain access to the speakers, remove the plastic cover of the
speaker compartment by removing the parker screws [1]. See
figure “Speaker compartment”.
1
2
1
1
1
G_16450_042.eps
141106
Figure 4-26 Control panel removal
After removal from the set, the assy can be taken out by lifting
the two clamps [2]. Now the cable can be disconnected from
the assy.
When defective, replace the whole unit.
Side I/O Panel
1. Unplug the connectors [1] from the panel.
2. Release the clamps [2] and slide the PWB out of its casing.
When defective, replace the whole unit.
3. In case the plastic frame has to be removed, remove
screws [3] and take the frame out.
Mechanical Instructions
EN 19BJ3.0A LA4.
1. Remove screws [1].
2. Unplug connectors [2] [3]. Be careful with the LVDS
connector.
1
3
3. Lift the subframe together with SSB and Main I/O Panel
from the set.
3
2
2
3
1
Figure 4-27 Side I/O panel
Sanken Display Supply Panel
1. Unplug all connectors.
2. Remove the screws [1].
3. Take the panel out.
1
1
1
1
1
1
1
1
G_16450_043.eps
141106
G_16450_045.eps
211106
Figure 4-29 SSB and Main I/O panel lift
Removal of the shielding
Caution: it is absolutely mandatory to remount all different
screws at their original position during re-assembly. Failure to
do so may result in damaging the SSB.
1
1
1
1
1
1. Remove screws [1] and [2]. See figures “Rear SSB shield”
and “Bottom SSB shield”.
2. Remove rear and bottom shield.
111
1
1
1
1
1
1
G_16450_053.eps
211106
Figure 4-30 Rear SSB shield
G_16450_044.eps
141106
Figure 4-28 Sanken display supply panel
The Sanken Display Supply Panel comes as a buy-in panel
and is a black-box for Service. When defective, replace the
whole panel, unless the main fuse is broken. Refer to chapter
“Service Modes, Error Codes, and Fault Finding” >> section
“Fault Finding and Repair Tips” >> ”Sanken Display Supply” for
details.
Small Signal Board (SSB) and Main I/O Panel
Removal from the set
The SSB and Main I/O Panel must be taken out of the set by
lifting the subframe they are mounted on. See figure “SSB and
Main I/O panel lift”.
22
222
222
Figure 4-31 Bottom SSB shield
G_16450_054.eps
141106
EN 20BJ3.0A LA4.
Mechanical Instructions
For removing the SSB and Rear I/O Panel (see figure “SSB and
Rear I/O PWB”):
1. Unplug connectors [1].
2. Remove screws [2].
3. Remove the panels from the set.
1
1
1
2
2
1
2
2
2
2
G_164501_055.eps
141106
Figure 4-32 SSB and Rear I/O PWB
Platform Supply Panel
The Platform Supply Panel can only be removed after removal
of the SSB and Main I/O Panel. See figure “Platform Supply
Panel” for details.
1
1
1
2
3
2
G_16450_047.eps
Figure 4-34 JIP
The shielding can be removed by removing screws [3].
211106
1
1
1
1
1
1
1
G_16450_046.eps
141106
Figure 4-33 Platform Supply Panel
1. Unplug all connectors.
2. Remove screws [1].
3. Take the panel out.
Jaguar Interface Panel
The Jaguar Interface Panel (JIP) can be removed from the set
as follows:
1. Remove screws [1]. See figure “JIP” for details.
2. Remove the LVDS connectors [2].
3. Take the panel out. It hinges at the bottom.
Mechanical Instructions
EN 21BJ3.0A LA4.
LED Panel
1. Remove the screws [1] that hold the panel. See figure “LED
Panel removal” for details.
2. Take out the panel.
1
G_16450_048.eps
141106
Figure 4-35 LED Panel removal
When defective, replace the whole unit.
LCD Panel
Before the LCD panel can be taken out from the set, the
subframe that holds the Platform Supply Panel, the Jaguar
Interface Panel, the Display Supply Panel, and the SSB must
be lifted. See figure “Subframe lift -1-” for details.
44
4
4
4
4
1
5
4
3
4
4
5
5
2
4
5
5
4
5
4
11. The LCD display can be lifted by removing four Torx
screws [5] on each side of the panel. Carefully lift the LCD
display from the set.
5
5
5
5
Figure 4-37 Subframe lift -2-
4.4Set Re-assembly
To re-assemble the whole set, execute all processes in reverse
order.
Notes:
•While re-assembling, make sure that all cables are placed
and connected in their original position. See figure "Cable
dressing".
•Pay special attention not to damage the EMC foams on the
SSB shields. Ensure that EMC foams are mounted
correctly.
G_16450_050.eps
151106
5
4
4
444
4
4
4
5
4
444
G_16450_049.eps
301106
Figure 4-36 Subframe lift -1-
1. Dismount the Control- and Side I/O Panel and place them
in the centre of the TV.
2. Remove the SSB and Main I/O Panel as earlier described.
3. Remove the plastic dummy plate on left side of the set.
4. Remove the stand where applicable.
5. Unplug the LVDS connector [1].
6. Unplug the two connectors [2] on top of the Display Supply
Panel, release them from the clamps and put the cables
aside.
7. Unplug the speaker cables from the Platform Supply Panel
[3], release the cables from the clamps and put the cables
aside.
8. Unplug the cable on the LED panel.
9. Remove the four parker screws on the left, the four parker
screws on the right, six Torx screws on the top and ten Torx
screws on the bottom [4] of the subframe.
10. The subframe can now be lifted from the set. See figure
“Subframe lift -2-”.
EN 22BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
5.Service Modes, Error Codes, and Fault Finding
Index of this chapter:
5.1 Test Points
5.2 Service Modes
5.3 Stepwise Start-up
5.4 Service Tools
5.5 Error Codes
5.6 The Blinking LED Procedure
5.7 Protections
5.8 Fault Finding and Repair Tips
5.9 Software Upgrading
5.1Test Points
The chassis is equipped with test points (Fxxx) printed on the
circuit board assemblies. As most signals are digital, it will be
difficult to measure waveforms with a standard oscilloscope.
Several key ICs are capable of generating test patterns, which
can be controlled via ComPair. In this way it is possible to
determine which part is defective.
Perform measurements under the following conditions:
•Service Default Mode.
•Video: Colour bar signal.
•Audio: 3 kHz left, 1 kHz right.
5.2Service Modes
Service Default mode (SDM) and Service Alignment Mode
(SAM) offers several features for the service technician, while
the Customer Service Mode (CSM) is used for communication
between the call centre and the customer. Also a service mode
for servicing the AmbiLight units is foreseen.
This chassis also offers the option of using ComPair, a
hardware interface between a computer and the TV chassis. It
offers the abilities of structured troubleshooting, error code
reading, and software version read-out for all chassis.
Minimum requirements for ComPair: a Pentium processor, a
Windows OS, and a CD-ROM drive (see also paragraph
"ComPair").
5.2.1Service Default Mode (SDM)
Purpose
•To create a pre-defined setting, to get the same
measurement results as given in this manual.
•To override SW protections detected by stand-by
processor and make the TV start up to the step just before
protection (a sort of automatic stepwise start up). See
paragraph “Stepwise Start Up”.
•To override SW protections detected by Viper. Depending
on the SW version it is possible that this mechanism does
not work correctly. See also paragraph “Error codes”.
•To start the blinking LED procedure (not valid in protection
mode).
Default
RegionFreq. (MHz)
Europe, AP DVBT546.000
NAFTA, AP-NTSC,
LATAM
•Tuning frequency 61.25 MHz for NTSC: The TV shall tune
to physical channel 3 only if channel 3 is an analog channel
or if there is no channel 3 installed in the channel map. If
there is a digital channel installed in channel 3, then the
frequency to which the set will tune, would be as specified
in the channel map and could be different from the one
corresponding to the physical channel 3.
•All picture settings at 50% (brightness, colour, contrast).
•All sound settings at 50%, except volume at 25%.
•All service-unfriendly modes (if present) are disabled, like:
– (Sleep) timer.
– Child/parental lock.
– Picture mute (blue mute or black mute).
– Automatic volume levelling (AVL).
– Auto switch "off" (when no video signal was received
for 10 minutes).
– Skip/blank of non-favourite pre-sets.
– Smart modes.
– Auto store of personal presets.
– Auto user menu time-out.
How to Activate SDM
For this chassis there are two kinds of SDM: an analogue SDM
and a digital SDM. Tuning will happen according table “SDM
Default Settings”.
•Analogue SDM: use the standard RC-transmitter and key
in the code “062596”, directly followed by the “MENU”
button.
Note: It is possible that, together with the SDM, the main
menu will appear. To switch it "off", push the “MENU”
button again.
•Digital SDM: use the standard RC-transmitter and key in
the code “062593”, directly followed by the “MENU” button.
Depending on the software version it is possible that the
tuning will not work correctly.
Note: It is possible that, together with the SDM, the main
menu will appear. To switch it "off", push the “MENU”
button again.
•Analogue SDM can also be activated by shorting for a
moment the two solder pads [1] on the SSB, with the
indication “SDM”. They are located outside the shielding.
Activation can be performed in all modes, except when the
set has a problem with the Stand-by Processor. See figure
“Service mode pads”.
PID Video: 0B 06
PID PCR: 0B 06
PID Audio: 0B 07
61.25 (ch 3)NTSC M
system
DVBT
Specifications
Table 5-1 SDM default settings
RegionFreq. (MHz)
Europe, AP(PAL/Multi)475.25PAL B/G
Default
system
Service Modes, Error Codes, and Fault Finding
2
SPI2SPI
SDM1SDM
1
Figure 5-1 Service mode pads
After activating this mode, “SDM” will appear in the upper right
corner of the screen (if you have picture).
How to Navigate
When you press the “MENU” button on the RC transmitter, the
set will toggle between the SDM and the normal user menu
(with the SDM mode still active in the background).
How to Exit SDM
Use one of the following methods:
•Switch the set to STAND-BY via the RC-transmitter.
•Via a standard customer RC-transmitter: key in “00”sequence.
5.2.2Service Alignment Mode (SAM)
Purpose
•To perform (software) alignments.
•To change option settings.
•To easily identify the used software version.
•To view operation hours.
•To display (or clear) the error code buffer.
How to Activate SAM
Via a standard RC transmitter: key in the code “062596”
directly followed by the “INFO” button. After activating SAM
with this method a service warning will appear on the screen,
you can continue by pressing the red button on the RC.
Contents of SAM:
•Hardware Info.
– A. SW Version. Displays the software version of the
VIPER software (main software) (example: BX31E-
1.2.3.4_12345 = AAAAB_X.Y.W.Z_NNNNN).
•AAAA= the software name.
•B= the region: A= AP, E= EU, L= LatAm, U = US.
For AP sets it is possible that the Europe software
version is used.
•X.Y.W.Z= the software version, where X is the
main version number (different numbers are not
compatible with one another) and Y.W.Z is the sub
version number (a higher number is always
compatible with a lower number).
•NNNNN= last five digits of 12nc code of the
software.
– B. SBY PROC Version. Displays the software version
of the stand-by processor.
– C. Production Code. Displays the production code of
the TV, this is the serial number as printed on the back
of the TV set. Note that if an NVM is replaced or is
initialized after corruption, this production code has to
G_15960_141.eps
100306
EN 23BJ3.0A LA5.
be re-written to NVM. ComPair will foresee in a
possibility to do this.
•Operation Hours. Displays the accumulated total of
operation hours (not the stand-by hours). Every time the
TV is switched "on/off", 0.5 hours is added to this number.
•Errors. (Followed by maximal 10 errors). The most recent
error is displayed at the upper left (for an error explanation
see paragraph “Error Codes”).
•Defective Module. Here the module that generates the
error is displayed. If there are multiple errors in the buffer,
which are not all generated by a single module, there is
probably another defect. It will then display the message
“UNKNOWN” here. Not all errors will display a defective
module name.
•Reset Error Buffer. When you press “cursor right” and
then the “OK” button, the error buffer is reset.
•Alignments. This will activate the “ALIGNMENTS” submenu.
•Dealer Options. Extra features for the dealers.
•Options.
rega
Note that if you change the option code numbers, you have
to confirm your changes with the “OK” button before you
store the options. Otherwise you will lose your changes.
•Initialise NVM. When an NVM was corrupted (or replaced)
in the former EMG based chassis, the microprocessor
replaces the content with default data (to assure that the
set can operate). However, all preferences and alignment
values are gone now, and option numbers are not correct.
Therefore, this was a very drastic way. In this chassis, the
procedure is implemented in another way: The moment the
processor recognizes a corrupted NVM, the “initialize
NVM” line will be highlighted. Now, you can do two things
(dependent of the service instructions at that moment):
– Save the content of the NVM via ComPair for
– Initialize the NVM (same as in the past, however now it
Note: When you have a corrupted NVM, or you have replaced
the NVM, there is a high possibility that you will not have picture
any more because your display option is not correct. So, before
you can initialize your NVM via the SAM, you need to have
picture and therefore you need the correct display option. To
adapt this option, you can use ComPair (the correct HEX
values for the options can be found in the table below) or a
method via a standard RC (described below).
Changing the display option via a standard RC:
Key in the code “062598” directly followed by the “MENU”
button and “XXX” (where XXX is the 3 digit decimal display
option code as mentioned in the first column of the next table).
Make sure to key in all three digits, also the leading zero’s.
If the above action is successful, the front LED will go out as an
indication that the RC sequence was correct.
After the display option is changed in the NVM, the TV will go
to the Stand-by mode.
If the NVM was corrupted or empty before this action, it will be
initialised first (loaded with default values). This initialising can
take up to 20 seconds.
Extra features for Service. For more info
rding option codes, see chapter 8.
development analysis, before initializing. This will give
the Service department an extra possibility for
diagnosis (e.g. when Development asks for this).
PDP42X3see partslist for 12NC
LC420WU2-SLA19322 246 84682
LC470WU1-SLC29322 248 50682
LC420WX3-SLA2see partslist for 12NC
9322 242 22682
9322 223 91682
9322 232 69682
see partslist for 12NC
9322 235 83682
9322 227 29682
9322 235 05682
see partslist for 12NC
E_06532_030.eps
Figure 5-2 Display option code overview
141206
Service Modes, Error Codes, and Fault Finding
EN 25BJ3.0A LA5.
•Store. All options and alignments are stored when
pressing “cursor right” and then the “OK”-button
•SW Maintenance.
– SW Events. Not useful for Service purposes. In case
of specific software problems, the development
department can ask for this info.
– HW Events. Not useful for Service purposes. In case
of specific software problems, the development
department can ask for this info.
•Operation hours PDP. Here you are able to reset the
operations hours of the plasma display. This has to be
done in case of replacement of the display. Not applicable
to LCD sets.
•Upload to USB. Here you are able to upload several
settings from the TV to a USB stick which is connected to
the Side IO. The four items are “Channel list”, “Personal
settings”, “Option codes” and “Display-related alignments”.
First you have to create a directory “repair\” in the root of
the USB stick.To upload the settings you have to select
each item separately, press “cursor right”, confirm with
“OK” and wait until “Done” appears. Now the settings are
stored onto your USB stick and can be used to download
onto another TV or other SSB. Uploading is of course only
possible if the software is running and if you have picture.
This method is created to be able to save the customer’s
TV settings and to store them into another SSB.
•Download from USB. Here you are able to download
several settings from the USB stick to the TV. Same way of
working as with uploading. To make sure that the download
of the channel list from USB to the TV is executed properly,
it is necessary to restart the TV and tune to a valid preset if
necessary.
How to Navigate
•In SAM, you can select the menu items with the “CURSOR
UP/DOWN” key on the RC-transmitter. The selected item
will be highlighted. When not all menu items fit on the
screen, move the “CURSOR UP/DOWN” key to display the
next/previous menu items.
•With the “CURSOR LEFT/RIGHT” keys, it is possible to:
– (De) activate the selected menu item.
– (De) activate the selected sub menu.
•With the “OK” key, it is possible to activate the selected
action.
How to Exit SAM
Use one of the following methods:
•Press the “MENU” button on the RC-transmitter.
•Switch the set to STAND-BY via the RC-transmitter.
5.2.3Customer Service Mode (CSM)
Purpose
When a customer is having problems with his TV-set, he can
call his dealer or the Customer Helpdesk. The service
technician can then ask the customer to activate the CSM, in
order to identify the status of the set. Now, the service
technician can judge the severity of the complaint. In many
cases, he can advise the customer how to solve the problem,
or he can decide if it is necessary to visit the customer.
The CSM is a read only mode; therefore, modifications in this
mode are not possible.
When in this chassis, CSM is activated, a colour bar test
pattern will be visible for 5 seconds. This test pattern is
generated by the Pacific3. So if you see this test pattern you
can determine that the back end video chain (Pacific3, LVDS
and display) is working.
Also new in this chassis: when you activate CSM and there is
a USB stick connected to the TV, the software will dump the
complete CSM content to the USB stick. The file (Csm.txt) will
be saved in the root of your USB stick. This info can be handy
if you don’t have picture.
How to Activate CSM
Key in the code “123654” via the standard RC transmitter.
Note: Activation of the CSM is only possible if there is no (user)
menu on the screen!
How to Navigate
By means of the “CURSOR-DOWN/UP” knob on the RCtransmitter, you can navigate through the menus.
Contents of CSM
•Set Type. T
workshop as reference for further diagnosis. In this way, it
is not necessary for the customer to look at the rear of the
TV-set. Note that if an NVM is replaced or is initialized after
corruption, this set type has to be re-written to NVM.
ComPair will foresee a possibility to do this.
•Production Code. Displays the production code (the serial
number) of the TV. Note that if an NVM is replaced or is
initialized after corruption, this production code has to be
re-written to NVM. ComPair will foresee a possibility to do
this.
•Code 1. Gives the latest five errors of the error buffer. As
soon as the built-in diagnose software has detected an
error the buffer is adapted. The last occurred error is
displayed on the leftmost position. Each error code is
displayed as a 2-digit number. When less than 10 errors
occur, the rest of the buffer is empty (00). See also
paragraph Error Codes for a description.
•Code 2. Gives the first five errors of the error buffer. See
also paragraph Error Codes for a description.
•Options 1. Gives the option codes of option group 1 as set
in SAM (Service Alignment Mode).
•Options 2. Gives the option codes of option group 2 as set
in SAM (Service Alignment Mode).
•12NC SSB. Gives an identification of the SSB as stored in
NVM. Note that if an NVM is replaced or is initialized after
corruption, this identification number has to be re-written to
NVM. ComPair will foresee a possibility to do this. This
identification number consists of 14 characters and is built
up as follows:
- 8 last characters of the 12NC of the SSB itself
- the serial number of the SSB, which consists of 6 digits.
Both can be found on a sticker on the PWB of the SSB itself
(not on the sticker on the outside of the shielding!). The
format of the identification number is then as follows:
<last 8 characters of 12NC of SSB><serial number of
SSB> (total 14 characters).
•Digital Natural Motion. Gives the last status of the Digital
Natural Motion setting, as set by the customer. Possible
values are “Off”, “Minimum” and “Maximum”. See DFU on
how to change this item.
•Pixel Plus. Gives the last status of the Pixel Plus setting,
as set by the customer. Possible values are “On” and “Off”.
See DFU on how to change this item.
•DNR. Gives the last status of the DNR setting, as set by the
customer. Possible values are “Off”, “Minimum”, “Medium”
and “Maximum”. See DFU on how to change this item.
•Noise Figure. Gives the noise ratio for the selected
transmitter. This value can vary from 0 (good signal) to 127
(average signal) and to 255 (bad signal). For some
software versions, the noise figure will only be valid when
“Active Control” is set to “medium” or “maximum” before
activating CSM. Noise figure is not applicable for DVBT
channels.
•Headphone Volume. Gives the last status of the
headphone volume, as set by the customer. The value can
vary from 0 (volume is minimum) to 100 (volume is
maximum). See DFU on how to change this item.
•Dolby. Indicates whether the received transmitter
transmits Dolby sound (“ON”) or not (“OFF”). Attention: The
presence of Dolby can only be tested by the software on
the Dolby Signalling bit. If a Dolby transmission is received
his information is very helpful for a helpdesk/
EN 26BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
without a Dolby Signalling bit, this indicator will show “OFF”
even though a Dolby transmission is received.
•Surround Mode. Indicates the by the customer selected
sound mode (or automatically chosen mode). Possible
values are “STEREO” and “VIRTUAL DOLBY
SURROUND”. It can also have been selected
automatically by signalling bits (internal software). See
DFU on how to change this item.
•Audio System. Gives information about the audible audio
system. Possible values are “Stereo”, ”Mono”, “Mono
selected”, “Dual I”, “Dual II”, “Nicam Stereo”, “Nicam
mono”, Nicam dual I”, “Nicam dual II”, “Nicam available”,
“Analog In: No Dig. Audio”, “Dolby Digital 1+1”, “Dolby
Digital 1/0”, “Dolby Digital 2/0”, “Dolby Digital 2/1”, “Dolby
Digital 2/2”, “Dolby Digital 3/0”, “Dolby Digital 3/1”, “Dolby
Digital 3/2”, “Dolby Digital Dual I”, “Dolby Digital Dual II”,
“MPEG 1+1”, “MPEG 1/0”, “MPEG 2/0” and “Not supported
signal”. This is the same info as you will see when pressing
the “INFO” button in normal user mode (item “Sound”).
When the audio is muted, there will be no info displayed.
•AVL. Indicates the last status of AVL (Automatic Volume
Level) as set by the customer: See DFU on how to change
this item.
•Delta Volume. Indicates the last status of the delta volume
for the selected preset as set by the customer: from “-12”
to “+12”. See DFU on how to change this item..
•Preset Lock. Indicates if the selected preset has a child
lock: “LOCKED” or “UNLOCKED”. See DFU on how to
change this item..
•Child lock. Indicates if “Child lock” is set to “UNLOCK”,
“LOCKED” or “CUSTOM LOCK. See DFU on how to
change this item..
•Lock after. Indicates at what time the channel lock is set:
“OFF” or e.g. “18:45” (lock time). See DFU on how to
change this item.
•Parental rating lock. Gives the last status of the parental
rating lock as set by the customer. See DFU on how to
change this item.
•Parental rating status. Gives the value of the parental
rating status as sent by the current preset.
•TV ratings lock. Only applicable for US.
•Movie ratings lock. Only applicable for US.
•V-Chip TV status. Only applicable for US.
•V-Chip movie status. Only applicable for US.
•Region rating status (RRT). Only applicable for US.
•On timer. Indicates if the “On timer” is set “ON” or “OFF”
and when it is set to “ON”, also start time, start day and
program number is displayed. See DFU on how to change
this item.
•Location. Gives the last status of the location setting as
set via the installation menu. Possible values are “Shop”
and “Home”. If the location is set to “Shop”, several settings
are fixed. So for a customer location must be set to “Home”.
Can be changed via the installation menu (see also DFU).
•HDMI key validity. Indicates if the HDMI keys (or HDCP
keys) are valid or not. In case these keys are not valid and
the customer wants to make use of the HDMI functionality,
the SSB has to be replaced.
•
IEEE key validity. Not
applicable.
•POD key validity. Not applicable.
•Tuner Frequency. Indicates the frequency the selected
transmitter is tuned to.
•TV System. Gives information about the video system of
the selected transmitter. In case a DVBT signal is received
this item will also show ATSC.
– BG: PAL BG signal received
– DK: PAL DK signal received
– L/La: SECAM L/La signal received
– I: PAL I signal received
– M: NTSC M signal received
– ATSC: ATSC or DVBT signal received
•Source. Indicates which source is used and the video
quality of the selected source. (Example: Tuner, Video)
Source: “TUNER”, “EXT1”, “EXT2”, “EXT3”, “EXT4”,
“YPbPr1”, “YPbPr2”, “VGA”, “DVI-I”, ““HDMI 1”, “HDMI 2”,
•Tuned Bit. Due to the DVBT architectural setup this item
does not give useful information any more.
•Digital signal modulation. No useful information for
Service purposes.
•12NC one zip SW. Displays the 12NC number of the one-
zip file as it is used for programming software in production.
In this one-zip file all below software version can be found.
•Initial main SW. Displays the main software version which
was initially loaded by the factory.
•Current main SW. Displays the built-in main software
version. In case of field problems related to software,
software can be upgraded. As this software is consumer
upgradeable, it will also be published on the Internet.
Example: BX31E_1.2.3.4.
•Flash utils SW. Displays the software version of the
software which contains all necessary components of the
download application. To program this software, EJTAG
tooling is needed. Example: FLASH_1.1.0.0.
•Standby SW. Displays the built-in stand-by processor
software version. Upgrading this software will be possible
via ComPair or via USB.(see chapter Software upgrade).
Example: STDBY_3.0.1.2.
•MOP SW. Not applicable for this chassis.
•Pacific 3 Flash SW. Displays the Pacific 3 software
version.
•NVM version. Displays the NVM version as programmed
by factory.
How to Exit CSM
Press “MENU” on the RC-transmitter.
5.2.4Service Mode of Inverter Boards for Ambi Light
Purpose
To switch on the lamps manually in case I
2
C-bus triggering
fails.
The Service Mode can be activated by disconnecting
connectors 1M59 and 1M49 and then by shorting for a moment
the two solder pads [1] on the Ambi Light Inverter Panel
(jumper 0101). See figure “Service Mode pads AmbiLight
panel”. In case of absence of this jumper (older boards), short
pin 5 of connector 1M59 to ground. Refer to chapter “Circuit
Diagrams and PWB Layouts” for details.
1
G_15950_049.eps
Figure 5-3 Service Mode pads AmbiLight panel
311006
Service Modes, Error Codes, and Fault Finding
EN 27BJ3.0A LA5.
In this chassis, both single and double fitted boards can be
used. The double fitted boards are used in sets with 3 or 4
sided Ambi Light units whereas the single fitted boards are
used in sets with 2 sided Ambi Light units. A double fitted board
can drive 2 lamp units (6 lamps) and a single fitted board can
drive 1 lamp unit (3 lamps).
The double fitted boards are supplied by +12Va and +12Vb.
The microprocessor is supplied by +12Va.
Therefore, if only +12Va is available, lamp unit B will not work.
See figure “Building blocks of Converter Board” for details.
+12Va
Stab.
Board select
+5V
Inverters
µ
Processor
PWM out
+12Va
Lamp unit A
I²C
Lamp unit B
Protection
+12Vb (12
-13V)
G_15950_050.eps
060406
situation: one for protections detected by standby software and
one for protections detected by main software.
When the TV is in a protection state due to an error detected by
standby software (and thus blinking an error) and SDM is
activated via shortcutting the pins on the SSB, the TV starts up
until it reaches the situation just before protection. So, this is a
kind of automatic stepwise start-up. In combination with the
start-up diagrams below, you can see which supplies are
present at a certain moment. Important to know here is, that if
e.g. the 3V3 detection fails (and thus error 11 is blinking) and
the TV is restarted via SDM, the Stand-by Processor will
enable the 3V3, but will not go to protection now. The TV will
stay in this situation until it is reset (Mains/AC Power supply
interrupted).
When the TV is in protection state due to an error detected by
main software (Viper protection) and SDM is activated via
shortcutting the pins on the SSB, the TV starts up and ignores
the error. Due to architectural reasons it is possible that the TV
will end up in an undefined state (e.g. when the fast I
2
C bus is
blocked). In this case diagnose has to be done via ComPair.
The abbreviations “SP” and “MP” in the figures stand for:
•SP: protection or error detected by the Stand-by Processor.
•MP: protection or error detected by the VIPER Main Processor.
In the next transition diagrams for “POD” should be read “CI”.
Figure 5-4 Building blocks of Converter Board
The microprocessor performs the following tasks:
•Dimming of Ambi Light by means of PWM.
•Translation of I
2
C-bus commands to PWM.
•Switches the Ambi Light board to protection if needed (in
case of protection only the lamps switch off, no set
protection is triggered).
There are two ways of protection: parallel arcing protection and
serial arcing protection.
Parallel arcing protection is performed by sensing the
switching frequency. In case of short circuit of the transformer
output, this frequency > 100 kHz and the board goes into
protection.
Serial arcing protection is performed by detection of arc in
ground wire of the lamp units. In this case, the protection pulse
is transmitted via an opto-coupler.
Protection can be disabled by short-circuiting diode 6112 or
capacitor 2173 or by connecting pin 8 of the microprocessor to
ground.
Repair Tips
In case only one or no lamp unit at all works, probably the
+12Vb (12 - 13 V) is not available or the fuse is broken. Check
for broken MOSFETS or check if they are switched off properly
by the transistors connected to the PWM outputs of the
microprocessor.
In case the Ambi Light switches off after two seconds, serial
arcing or parallel arcing protection is active. Serial arcing
protection can be excluded by disconnecting the opto-coupler;
check for bad solder joints on transformer or lamp units.
Parallel arcing protection can be disabled by grounding pin 8 of
the microprocessor. Usually the switching frequency (normally
63 kHz) will then be too high. Possible causes are one
MOSFET of the converter has no gate drive or is broken, or
there is a short-circuit of the output of the transformer.
5.3Stepwise Start-up
The stepwise start-up method, as known from FTL/FTP sets
(EMG based sets) is not valid any more. There are two possible
EN 28BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
Off
Mains
“off”
Mains
“on”
- WakeUp requested
- Acquisition needed
Stand-by
(Off St-by)
- POD Card remove
- Tact SW pushed
- No data Acquisition required
and no POD present
- Tact SW pushed
- WakeUp requested
- Acquisition needed
d
POD*
Stand-by
On
Only applicable for sets with CableCARDTM slot (POD)
*
Figure 5-5 Transition diagram
Semi
Stand-by
No data Acquisition
required and
POD present
GoToProtec
GoToProtection
tion
WakeUp
requested
- St-by requested
- Tact SW pushed
WakeUp
requested
Protection
Active
GoToProtection
F_15400_095.eps
020206
Service Modes, Error Codes, and Fault Finding
EN 29BJ3.0A LA5.
action holder: M IPS
action holder: St-by
autonomous action
The audio protection circuit shuts down the supply
autonomously. This triggers a set restart and during that restart
(so at this check here), it will be observed that the audio
protection line is high and the audio protection mode is entered.
This condition is not valid for an SDI PDP . I n this PDP set , the
audio protection latch is not present and hence the HIGH
condition here will never be observed. As a result, when an
audio protection occurs, the set will restart and will enter a
supply protection mode because of a missing power supply.
Switching on the power supply in an LPL scanning
backlight set, also switches on the backlight supply.
The display should not be used the first 5 seconds
the backlight supply is running due to a pre-heat time
of 4s and a 100% light output (not adjustable) the next
second. This 5 second delay does not delay the startup
of the display as this time is absorbed in the startup time
of the rest of the system.
Off
Mains is appl ied
Standby Supply starts running.
+5V2, 1V2Stb, 3V3Stb and +2V5D become present.
In case of PDP 3V3 Vpr to CPU PDP becomes present.
st-by µP resets
All I/O lines have a High default state:
- Sound-Enable and Reset-Audio should remain high.
- NVM power line is high, no NVM communication possible.
Initialise I/O pins of the st-by µP, start keyboard scanning, RC
PDPGO line is high (either HW wise in a non FHP set or
because of the stby µP reset in a FHP set) which is the good
Switch LOW the NVM power reset line. Add a 2ms delay
before trying to address the NVM to allow correct NVM
Switch ON all supplies by switching LOW the POD-MODE
+5V, +8V6, +12VS, +12VSW and Vsound are switched on
- Assert the Viper reset.
detection, P50 decoding. Wake up reasons are off.
state at cold boot to be able to start the FHP.
Audio Protecti on Line
HIGH?
No
initialization.
and the ON-M ODE I/O lines.
Wait 50ms and then start polling the detect-
5V, detect-8V6 and detect-12V every 40ms.
Stand by or
Protection
If the protection state was left by short circuiting the
SDM pins, detection of a protection condition during
startup will stall the startup. Protection conditions in a
playing set will be ignored. The protection mode will
- Switch Sound-Enable and Reset-Audio high.
not be entered.
They are low in the standby mode if the
standby mode lasted longer than 10s.
Yes
Audio Error
SP
Swi tching t he POD -M ODE
low in an FHP PDP set
makes the CP U GO go high
and starts the P DP CP U .
The availability of the supplies is checked through detect signals (delivered by
dedicated detect-IC's) going to the st-by µP. These signals are available for
+12V, +8V6, +5V, +1V2 and +2V5. A low to high transition of the signals should
occur within a certain time after toggling the standby line. If an observer s is
detected before the time-out elapses, of course, the process should continue in
order to minimize start up time.
Swi tching t he POD-MO DE and the
ON-mode low in an SDI PDP set
makes the PD P supplies go to the
ON mode.
No
- Only when the PDPGO is low, a retry should be
considered (the PDP could have reset internally). If
the PDPGO is already high, there is no use in trying
to restart.
- PDPGO li ne is pulled high i n all non FHP sets so
this extra startup delay in case of a fault condition
is not valid.
- Switching the PDPGO high will give a visual
artefact and should only be done if really
necessary.
detect-5V
received within 2900 ms after
POD-MODE I/O line
toggle?
Yes
activate +5V supply detection algorithm
No
Yes
PDPGO
=
High?
No
Switch PDPGO high:
PDP should start: 5V, 8V6 and
12V are activated
detect-5V
received within
2900 ms after PD PGO
toggle?
Yes
No
+5V erro r
SP
detect-12VSW received within
2900 ms after POD -m ode I /O
line toggle?
Yes
activate +12VSW supply
detection algorithm
No need to wait for the 8V6 detection at this point.
Enable the +1V2 supply (ENABLE-1V2)
To part BTo part BTo part BTo part B
No
+12V error
SP
detect-8V6 rece ived
within 6300 ms after POD-mode I/O line
toggle? Startup shall not wait for this
detection and continue startup.
No
Yes
G_15960_118a.eps
200406
Figure 5-6 “Off” to “Semi Stand-by” flowchart (part 1)
EN 30BJ3.0A LA5.
action holder: M IPS
action holder: St-by
autonomous action
Service Modes, Error Codes, and Fault Finding
From part AFrom part AFrom part AFrom part A
Start polling the detect-1V2 every 40ms
+8V6 erro r
activate +8V6 supply
detection algorithm
SP
detect-1V2
received within
250ms?
No
+2.5V and +3.3V (ENABLE-3V3)
Start polling the detect-3V3 every 40ms
Activate supply detection algorithms for
Yes
Enable the supply for
detect-3V3
received within
250 ms?
Yes
+1V2 and +3V3
SUPPLY-FAULT I/O line
is High?
Yes
Enable the supply fault detection
interrupt
No
+1.2V error
SP
No separate enable and
detect is present for the +2V5
supply in the Baby Jaguar.
+3.3V errorNo
SP
Supply fa ult erro rNo
SP
return
Set I²C slave address
of Standby µP to (A0h)
Detect EJTAG debug probe
(pulling pin of the probe interface to
ground by inserting EJTAG probe)
EJTAG probe
connected ?
No
No
Release viper reset
Feed warm boot script(2)
No
No
Cold boot?
Yes
Release viper reset
Feed cold boot script(1)
Release PNX2015 reset 100ms after
Viper reset is released
Bootscript ready
in 1250 ms?
Yes
Set I²C slave address
of Standby µP to (64h)
Yes
Release vipe r reset
Feed initializing boot script (3)
disable alive mechanism
Release PNX2015 reset 100ms
after Viper reset is released
RPC start (comm . protocol )
To part CTo part CTo part CTo part C
Figure 5-7 “Off” to “Semi Stand-by” flowchart (part 2)
G_15960_118b.eps
030806
Service Modes, Error Codes, and Fault Finding
F
F
F
F
EN 31BJ3.0A LA5.
rom part A
Disable all supply related protections and
switch off the +2V5, +3V3 DC/DC converter.
3- th try?
Yes
Log Code as
error code
rom part B
Code = 5
Switch Viper in reset
Wait 10ms
Switch the NVM reset
line HI GH .
Wait 5ms
switch off the remaining DC/DC
converters
Switch POD-MODE and ON-MODE
I/O line hi gh.
No
Code = 53
No
Wait for the +8V6 to be detected if not yet present. (if
it does not come, the standby µP will enter a
protection mode, this is not a dead end here)
- Register PIIConfig of the Pacific3: LVDS function should be set to 0
(CMOS input) in the Baby Jaguar platform.
- POIConfig: lvds function should be set to 0 (CMOS out on Baby)
- PanelConfig register: PanelOff = 0, PanelOn = 1. P3 can always be
on, switching of lvds is done through PNX.
rom part B
Flash to Ram im age
transfer succeeded
wit hin 30 s?
Yes
Viper SW initialization
succeeded
wit hin 20 s?
Yes
Enable Alive check mechanism
MIPS reads the wake up reason
from standby µP.
Set is
SDI PDP or
FHP PDP?
Yes
No
Yes
rom part B
Wait until Viper starts to
communicate
Power OK-display is
High?
action holder: M IPS
action holder: St-by
autonomous action
Log display error No
MP
SP
Was Pacific responding
to I²C?
No
Log Pacific error and
Go to Standby
yes
(AVIP's need to be started before the MPIF's in order to have a good clock distribution).
AVIP default power-up mode is Standby. The Viper instructs AVIP via I²C to enable all the
PLL's and clocks and hence enter to Full Power mode. See FMS AVIP for further details
and the rest of the initialization.
initialize PNX201 5 HD subsystem according
FMS i nform atio n
MPIF's should be initializ ed according t he FMS inform ati on.
MPIF should deliver 2 observers:
POR= 0; normal operation
ROK = 1; reference frequency is present (coming from AVIP)
All observers present with correct state?
Yes
Initialize tuners and Hirate
Initialize source selection
Initialize video processing IC's
- Spider
Initialize Columbus
Initialize 3D Combfilter
Initialize AutoTV
Do not enter semi-standby state in case of an LPL
scanning backlight LCD set before 4s preheating timer has
elapsed.
Initialize Pacific related Ambilight settin gs
(if applicable)
No
Log appropriate
Observer err or
Standby
Initialize Ambilight with Lights off.
Semi-Standby
Figure 5-8 “Off” to “Semi Stand-by” flowchart (part 3)
G_15960_118c.eps
301106
EN 32BJ3.0A LA5.
The as sumption her e is that a fas t toggle
(<1s ) can only happen during ON ->SEMI
have to delay the sem i -> stby tran sition
Service Modes, Error Codes, and Fault Finding
LCD SHARP 32"/37" 1366*768 ASV2.3
Constraints taken into account:
- Display may only be started when v alid QVCP output clock can be delivered by the Viper.
- Between 0 and 20 ms after power is supplied, display should receiv e v alid lv ds clock.
- minimum wait time to switch on the lamp after power up is 200ms.
- RGB (on QVCP output) may be unblanked before valid output is av ailable. Unblanking of the
picture happens with the use of the 'lamp on', not with the RGB. By doing so, black lev el
differences during startup are avoided.
Semi Standby
->ON. In these states, the Vip e r is still
active and can prov ide the 1s delay. If
the transition ON->SEMI->STBY->SEMI-
>ON can be made in less than 1s, we
until the requirement is met .
Wait until prev ious on- state is left mor e than 1
s ec ond ago. (to prevent LC D display pr oblems )
As ser t R GB video blanking
and audio mute
action holder: M I P S
action holder: St-by
autonomous action
Initialize audio and video proc ess ing IC 's and
functions according needed use case.
Rew r ite Pacific regis t er 0x03 (output f or mat) with TcuUpdate:
this command is sometim es not processed properly by the
Pacific at initialisat ion time, r esending it her e solves t he is sue.
W ait unt il QVCP generates a valid lvds output
Star t to apply v alid interfac e signals t o the module (LVD S) w ithin a time
frame of min. 17.5ms to max. 37.5ms after supply sw itch on.
In implementation, use 25ms , this mak es it c ompatible w ith 37HD"Shar p
(t=17.5ms is the supply switch-on delay taken i nto account)
wait 250ms (min. = 200ms)
Switch on LC D lamp after v alid, s table video, c or r es ponding
to the r equested output is deliver ed by t he Viper
clock.
Switch of f R GB blanking
Switch on LCD supply
(LCD-Power-on)
(lamp ready delay)
This unblank is moved forwards on demand
of SW to allow to obt ain valid Q VC P output
Switch A udio-R eset and sound enable low and demute
- Display may only bestarted when valid QVCP output clock can be delivered by the Viper.
- Between 5 and 50 ms after power is supplied, displayshould receive valid lvds clock.
- minimum wait time to switch on the lamp after power up is 200ms.
- To have a reliable operation of the backlight, the backlight should be driven with a PWM
duty cycle of 100% during the first second. Only after this first second, the PWM may be set
to the required output level (Note that the PWM output should be present before the
backlight isswitched on). To minimize the artefacts, the picture should only beunblanked
after this first second.
action holder: MIPS
action holder: St-by
autonomous action
Semi Standby
The assumption here is that a fast toggle
(<2s) can only happen during ON->SEMI -
>ON. In thesestates, the Viper is still active
and can provide the 2s delay. If the
transition ON->SEMI->STBY->SEMI->ON
can be made in less than 2s, we have to
delay the semi -> stby transition until the
requirement is met.
Wait until previous on-state is left more than 2
seconds ago. (to prevent LCD display problems)
Assert RGB video blanking
and audio mute
Initialize audio and video processing IC's and
functions according needed use case.
Rewrite Pacific register 0x03 (output format) with TcuUpdate: this
command is sometimes not processed properly by the Pacific at
initialisation time, resending it here solves the issue.
Wait until QVCP generatesa valid output
Start to apply valid interface signals to the module (LVDS) within a time
frame of min. 22.5ms to max. 67.5ms after supply switch on.
In implementation, use 25ms, this makes it compatible with 37"HDSharp
(t=17.5ms is the supply switch-on delay taken into account)
Switch off the dimming backlight feature and
make sure PWM output is set to 100%
Leave backlight on with PWM
Restore dimming backlight feature and PWM outputand switch off RGB
blanking when valid, stable video, corresponding to the requested output is
delivered by the Viper AND the 1second delay has elapsed.
Switch Audio-Reset and sound enable low and demute
clock.
Switch on LCD supply
(Viper: LCD-Power-on)
wait 250ms (min. = 200ms)
Switch on LCD backlight
at 100% for 1 second
Register PanelTiming of the Pacific3:
Timing is not important since the
LCD power signal is controlled by the
Viper, default values can be used.
Active
Figure 5-10 “Semi Stand-by” to “Active” flowchart 42” displays
- Display may only bestarted when valid QVCP output clock can be delivered by the Viper.
- Between 5 and 50 ms after power is supplied, displayshould receive valid lvds clock.
- minimum wait time to switch on the lamp after power up is 200ms.
- To have a reliable operation of the backlight, the backlight should be driven with a PWM
duty cycle of 100% during the first second. Only after this first second, the PWM may be set
to the required output level (Note that the PWM output should be present before the
backlight isswitched on). To minimize the artefacts, the picture should only beunblanked
after this first second.
action holder: MIPS
action holder: St-by
autonomous action
Semi Standby
The assumption here is that a fast toggle
(<2s) can only happen during ON->SEMI -
>ON. In thesestates, the Viper is still active
and can provide the 2s delay. If the
transition ON->SEMI->STBY->SEMI->ON
can be made in less than 2s, we have to
delay the semi -> stby transition until the
requirement is met.
Wait until previous on-state is left more than 2
seconds ago. (to prevent LCD display problems)
Assert RGB video blanking
and audio mute
Initialize audio and video processing IC's and
functions according needed use case.
Rewrite Pacific register 0x03 (output format) with TcuUpdate: this
command is sometimes not processed properly by the Pacific at
initialisation time, resending it here solves the issue.
Wait until QVCP generates a valid output
Start to apply valid interface signals to the module (LVDS) within a time
frame of min. 22.5ms to max. 67.5ms after supply switch on.
In implementation, use 25ms, this makes it compatible with 37"HDSharp
(t=17.5ms is the supply switch-on delay taken into account)
Switch off the dimming backlight feature and
make sure PWM output is set to 100%
Leave backlight on with PWM
clock.
Switch on LCD supply
(Viper: LCD-Power-on)
wait 250ms (min. = 200ms)
Switch on LCD backlight
at 100% for 1 second
Register PanelTiming of the Pacific3:
Timing is not important since the
LCD power signal is controlled by the
Viper, default values can be used.
Restore dimming backlight feature and PWM outputand switch off RGB
blanking when valid, stable video, corresponding to the requested output is
delivered by the Viper AND the 1second delay has elapsed.
Switch Audio-Reset and sound enable low and demute
Active
Figure 5-11 “Semi Stand-by” to “Active” flowchart 47” display
G_16470_002.eps
301106
Service Modes, Error Codes, and Fault Finding
LCD SHARP 32”/37" 1366*768 ASV2.3
action holder: M I P S
Active
action holder: St-by
autonomous action
Mute all s ound outputs .
EN 35BJ3.0A LA5.
Switc h r eset- audio and sound-enable
Wai t 0ms. (No need to wait here
Switch off 12V LCD suppl y within a tim e frame of max.
Switch off 12V LCD supply within a time frame of min. 0.5
ms to max. 50msafter LVDS switch off.
(Viper I/O: LCD_PWR_ON)
Semi Standby
Figure 5-14 “Active” to “Semi Stand-by” flowchart 47” display
G_16470_003.eps
011206
EN 38BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
Semi Stand by
Delay transition until ramping down of ambient light is
finished. *)
action holder: M I P S
action holder: St-by
autonomous ac tion
Switch a mbient light to passive mode with RGB
values on zero. *)
transfer Wake up reasons to the
Stand by µP.
Images are re-transferred to DDR-RAM from
Flash RAM (verification through checksum)
MI P S i m age com plet es the appli cation rel oad,
stops DDR- RAM acce ss, pu ts itself in a
sleepmode and signals the standby µP when the
standby mode can be entered.
DDR-RAM is put in self refresh mode and the images
are kept in the hibernating D DR-R AM .
Wait 5ms
Switch Viper in reset state
*) If this is not performed and the set is
switched to standby when the ramping of
the EPLD is still ongoing, the lights will
remain lit in standby.
Important remark:
release reset audio and sound-
enable 10 sec after entering
standby to save power
Wait 10m s
Switch the NVM reset line HIGH.
Disable all supply related protections and switch off
the +2V5, +3V3 DC/DC converter.
Wait 5ms
switch off the remaining DC/DC converters
Switch OFF all supplies by switching HIGH the POD-
MODE and the ON-MO DE I/O lines .
Stand by
For PDP this means CPUGO
becomes low.
G_15960_133.eps
100306
Figure 5-15 “Semi Stand-by” to “Stand-by” flowchart
Service Modes, Error Codes, and Fault Finding
EN 39BJ3.0A LA5.
action holder: M I P S
action holder: St-by
autonomous ac tion
If needed to speed up this transition,
this block could be omitted. This is
depending on the outcome of the
safety investigations.
MP
Log the appropriate error and
set stand-by flag in NVM
Redefine wake up reasons for protection
state and transfer to stand-by µP.
Switch off LCD lamp supply
Wait 250ms (min. = 200ms)
Switch off LVDS signal
Switch off 12V LCD supply within a time frame
of min. 0.5ms to max. 50ms after LVDS switch
off.
Ask stand-by µP to enter protection state
SP
Switch Viper in reset state
Wait 10ms
Switch the NVM reset line HIGH.
Disable all supply related protections and switch off
the +2V5, +3V3 DC/DC converter.
Wait 5ms
switch off the remaining DC/DC con vert ers
Switch OFF all supplies by switching HIGH the POD-
MODE and the ON-MO DE I/O lines .
Flash LED i n order to indicat e
protection state*. (see FRS)(*): This can be the standby LED or the ON LED
depending on the availability in the set under
discussion.
Protection
Figure 5-16 “Protection” flowchart
G_15960_137.eps
100306
EN 40BJ3.0A LA5.
5.4Service Tools
5.4.1ComPair
Introduction
ComPair (Computer Aided Repair) is a service tool for Philips
Consumer Electronics products. ComPair is a further
development on the European DST (service remote control),
which allows faster and more accurate diagnostics. ComPair
has three big advantages:
1. ComPair helps you to quickly get an understanding on how
to repair the chassis in a short time by guiding you
systematically through the repair procedures.
2. ComPair allows very detailed diagnostics (on I
is therefore capable of accurately indicating problem areas.
You do not have to know anything about I
yourself because ComPair takes care of this.
3. ComPair speeds up the repair time since it can
automatically communicate with the chassis (when the
microprocessor is working) and all repair information is
directly available. When ComPair is installed together with
the Force/SearchMan electronic manual of the defective
chassis, schematics and PWBs are only a mouse click
away.
Specifications
ComPair consists of a Windows based fault finding program
and an interface box between PC and the (defective) product.
The ComPair interface box is connected to the PC via a serial
(or RS-232) cable.
For this chassis, the ComPair interface box and the TV
communicate via a bi-directional service cable via the service
connector(s).
The ComPair fault finding program is able to determine the
problem of the defective television. ComPair can gather
diagnostic information in two ways:
•Automatically (by communicating with the television):
ComPair can automatically read out the contents of the
entire error buffer. Diagnosis is done on I
ComPair can access the I
ComPair can send and receive I
the microcontroller of the television. In this way, it is
possible for ComPair to communicate (read and write) to
devices on the I
2
C/UART buses of the TV-set.
•Manually (by asking questions to you): Automatic
diagnosis is only possible if the microcontroller of the
television is working correctly and only to a certain extent.
When this is not the case, ComPair will guide you through
the fault finding tree by asking you questions (e.g. Does the
screen give a picture? Click on the correct answer: YES /
NO) and showing you examples (e.g. Measure test-point I7
and click on the correct oscillogram you see on the
oscilloscope). You can answer by clicking on a link (e.g.
text or a waveform picture) that will bring you to the next
step in the fault finding process.
By a combination of automatic diagnostics and an interactive
question / answer procedure, ComPair will enable you to find
most problems in a fast and effective way.
How to Connect
This is described in the chassis fault finding database in
ComPair.
Caution: It is compulsory to connect the TV to the PC as
shown in the picture below (with the ComPair interface in
between), as the ComPair interface acts as a level shifter. If
one connects the TV directly to the PC (via UART), ICs will be
blown!
Note: If you encounter any problems, contact your local
support desk.
Introduction
This service tool (also called “ComPair Assistant 1“) may help
you to identify, in case the TV does not show any picture,
whether the Small Signal Board (SSB) or the display of a Flat
TV is defective.
Furthermore it is possible to program EPLDs with this tool (Byte
blaster). Read the user manual for an explanation of this
feature.
Since 2004, the LVDS output connectors in our Flat TV models
are standardised (with some exceptions). With the two
delivered LVDS interface cables (31p and 20p) you can cover
most chassis (in special cases, an extra cable will be offered).
When operating, the tool will show a small (scaled) picture on
a VGA monitor. Due to a limited memory capacity, it is not
possible to increase the size when processing high-resolution
LVDS signals (> 1280x960). Below this resolution, or when a
DVI monitor is used, the displayed picture will be full size.
Generally this tool is intended to determine if the SSB is
working or not. Thus to determine if LVDS, RGB, and sync
signals are okay.
How to Connect
Connections are explained in the user manual, which is packed
with the tool.
Note: To use the LVDS tool, you must have ComPair release
2004-1 (or later) on your PC (engine version >= 2.2.05).
For every TV type number and screen size, one must choose
the proper settings via ComPair. The ComPair file will be
updated regularly with new introduced chassis information.
How to Order
•LVDS tool (incl. two LVDS cables: 31p and 20p):
3122 785 90671.
The error code buffer contains all detected errors since the last
time the buffer was erased. The buffer is written from left to
right, new errors are logged at the left side, and all other errors
shift one position to the right.
When an error occurs, it is added to the list of errors, provided
the list is not full. When an error occurs and the error buffer is
full, then the new error is not added, and the error buffer stays
intact (history is maintained), except when the error is a
protection error.
To prevent that an occasional error stays in the list forever, the
error is removed from the list after more than 50 hrs. of
operation.
When multiple errors occur (errors occurred within a short time
span), there is a high probability that there is some relation
between them.
Basically there are three kinds of errors:
•Errors detected by the Stand-by Processor. These
errors will always lead to protection and an automatic start
of the blinking LED for the concerned error (see paragraph
“The Blinking LED Procedure”). In these cases SDM can
be used to start up (see chapter “Stepwise Start-up”). Note
that it can take up to 90 seconds before the TV goes to
protection and starts blinking the error (e.g. error 53)
•Errors detected by VIPER that lead to protection. In this
case the TV will go to protection and the front LED should
also blink the concerned error. Depending on the software
version it is possible that this mechanism does not work.
See also paragraph “Error Codes” -> “Error Buffer” ->
“Extra Info”.
•Errors detected by VIPER that do not lead to protection. In this case the error will be logged into the
error buffer and can be read out via ComPair, via blinking
LED method, or in case you have picture, via SAM.
•If the content of the error buffer has not changed for 50+
hours, it resets automatically.
5.5.4Error Buffer
In case of non-intermittent faults, clear the error buffer before
you begin the repair (before clearing the buffer, write down the
content, as this history can give you significant information).
This to ensure that old error codes are no longer present.
If possible, check the entire contents of the error buffer. In
some situations, an error code is only the result of another error
code and not the actual cause (e.g., a fault in the protection
detection circuitry can also lead to a protection).
There are several mechanisms of error detection:
•Via error bits in the status registers of ICs.
•Via polling on I/O pins going to the stand-by processor.
•Via sensing of analogue values on the stand-by processor
or the Viper.
•Via a “not acknowledge” of an I
Take notice that some errors need more than 90 seconds
before they start blinking. So in case of problems wait 2
minutes from start-up onwards, and then check if the front LED
is blinking.
2
C communication
5.5.2How to Read the Error Buffer
Use one of the following methods:
•On screen via the SAM (only if you have a picture). E.g.:
– 00 00 00 00 00: No errors detected
– 06 00 00 00 00: Error code 6 is the last and only
detected error
– 09 06 00 00 00: Error code 6 was first detected and
error code 9 is the last detected error
•Via the blinking LED procedure (when you have no
picture). See next paragraph.
•Via ComPair.
5.5.3How to Clear the Error Buffer
Use one of the following methods:
•By activation of the “RESET ERROR BUFFER” command
in the SAM menu.
•With a normal RC, key in sequence “MUTE” followed by
“062599” and “OK”.
EN 42BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
Table 5-2 Error code overview
Error DescriptionError/Prot Detected by DeviceDefective moduleResult
1
I2C1
2
I2C2
3
I2C3
4
I2C4
5VIPER does not bootPStby µPPNX8550/Protection + Error blinking
65V supplyPStby µP//Protection + Error blinking
78V6 supplyPStby µP//Protection + Error blinking
81.2V DC/DCPStby µP//Protection + Error blinking
113.3V DC/DCPStby µP//Protection + Error blinking
1212V supplyPStby µP//Protection + Error blinking
14AudioPStby µP//Protection + Error blinking
18MPIF1 ref. freq.EVIPERPNX3000IF I/OError logged
25Supply faultPStby µPn.a./Protection + Err or blinking
27PNX2015 HD subsystem part EVIPER//see extra info
29AVIP 1EVIPER//see extra info
31AVIP 2EVIPER//see extra info
32MPIF1EVIPERPNX3000Analog 1 front end 1Error logged
34Tuner1EVIPER/Tuner 1Error logged
36OFDM (channel decoder)EVIPERTDA10046/Error logged
39POD/Common InterfaceEVIPERSTV0701/Error logged
43Hi Rate Front EndEVIPERTDA9975HDMIError logged
44NVMPStby µP//see extra info
45Columbus 1EVIPERPNX2015Comb filterError logged
46Pacific 3EVIPER//TV to standby + Error logged
53VIPERPStby µPPNX8550/Protection + Error blinking
63Power OKPVIPER//Protection + Error blinking (see extra i nfo)
64DisplayEVIPER//Error logged
•Rebooting. When a TV is constantly rebooting due to
internal problems, most of the time no errors will be logged
or blinked. This rebooting can be recognised via a ComPair
interface and Hyperterminal (for Hyperterminal settings,
see paragraph “Stand-by software upgrade”). You will see
that the loggings which are generated by the main software
keep continuing. In this case (rebooting) diagnose has to
be done via ComPair.
•Error 1 (I
2
C bus 1 blocked). Depending on the software
version we can have two possibilities:
- The TV goes into protection and the front LED will blink
error 1. Now you can start up the TV via the SDM short-cut
pins on the SSB. The TV will start up and ignores the error.
Depending on the problem it is even possible that you have
picture.
- With this error, probably only the green LED lights up. The
TV does not go into protection but error 1 will still be logged
in the error buffer. In some cases you can have picture and
sound and then you can check the error buffer. Otherwise
use ComPair for further diagnosis (e.g. read out the NVM
content).
•Error 2 (I
2
C bus 2 blocked). Depending on the software
version, there are two possibilities:
- The TV will not start or will keep rebooting. Due to
hardware restriction (I
impossible to start up the VIPER when I
2
C-bus 2 is the fast I2C-bus), it will be
2
C-bus 2 is
blocked. When this error occurs, the TV will not start (but
probably you will see the green LED) or will keep rebooting
(see “Rebooting” description on how to recognize). Starting
up the TV via the SDM short-cut pins will not work. So it will
not be possible to read out error 2 via internal software
(although it will be logged). Use ComPair for further
diagnose (e.g. read out the NVM content).
- The TV will go to standby. Due to occasional Pacific
problems, it is possible that the Pacific will block the I
bus 2. Therefore it has been decided that the TV has to go
to stand-by in all cases of a blocked I
to error 46 description.
•Error 3 (I
on I
2
C bus 3 blocked). There are only three devices
2
C bus 3: VIPER, Stand-by Processor, and NVM. The
2
C bus 2. Refer also
Stand-by Processor is the detection device of this error, so
this error will only occur if the VIPER or the NVM is blocking
the bus. This error will also blink when the NVM gives no
acknowledge on the I
2
C bus. Note that if the 12 V supply is
missing, the DC/DC supply on the SSB will not work.
Therefore the VIPER will not get supplies and could block
2
C bus 3. So, a missing 12 V can also lead to an error 3.
I
•Error 4 (I
2
C bus 4 blocked). In this chassis, error 4 is no
longer a protection error.
•Error 5 (VIPER does not boot). This error will point to a
severe hardware problem around the VIPER (supplies not
OK, VIPER completely dead, I
2
C link between VIPER and
Stand-by Processor broken, etc...).
•Error 7 (8V6 error). In case of a TV with SDI display you
will see error 7 blink in case of an audio protection. So
except a problem with the 8V6 itself it is also possible that
there is something wrong with the audio part. See also
paragraph "Hardware Protections" for this.
•Error 14 (Audio protection). The detection is done on the
audio board itself. Several items are monitored:
overvoltage, overcurrent, DC level on the speakers and the
audio supply voltages. If one of these items fails, the
audioprotection will switch off the main supply. All supplies
will drop, the standby processor “thinks” there is a mains
dip, and will reboot. At the beginning of the boot process,
the audio-protection line is monitored: if this line is “active”,
the set will go to protection and will blink error 14.
•Error 27 (PNX2015 HD subsystem part). Diagnosing this
error will not be possibly via the normal errorcodes. In case
this device can not communicate with the Viper via I²C, it
will not be possible to initialise the tunnelbus. Hence the
software will not be able to start up, and will re-boot
constantly. Diagnosing these problems will only be
possible via ComPair. In theory it is possible that the error
is logged in the NVM (that’s why this error is still mentioned
here).
2
C-
•Error 29 (AVIP 1). Same remark as for error 27.
•Error 31 (AVIP 2). Same remark as for error 27.
•Error 44 (NVM). This error will probably never occur
because it is masked by error 3 (I
mechanism for error 3 checks on an I
2
C bus 3). The detection
2
C acknowledge of
the NVM. If NVM gives no acknowledge, the stand-by
software assumes that the bus is blocked, the TV goes to
protection and error 3 will be blinking..
Service Modes, Error Codes, and Fault Finding
EN 43BJ3.0A LA5.
•Error 46 (Pacific 3). When this errors occurs the TV will go
to stand-by. The reason for this is, when there is an
occasional boot problem of the Pacific, it will look like the
TV has started up in stand-by mode, and the customer can
switch it on again. When there is an actual problem with or
around the Pacific the TV will go to stand-by every time you
try to start up. So this behaviour is an indication of a Pacific
problem. But remind that also a blocked I2C-bus 2 can lead
to this behaviour (refer also to error 2 description).
•Error 53. This error will indicate that the VIPER has started
to function (by reading his boot script, if this would have
failed, error 5 would blink) but initialization was never
completed because of hardware peripheral problems
(NAND flash, ...) or software initialization problems.
Possible cause could be that there is no valid software
loaded (try to upgrade to the latest main software version).
Note that it takes 90 seconds before the TV goes to
protection in this case.
•Error 63 (POWER OK). When this error occurs, it means
that the POWER-OK line did not became “high”. This error
is only applicable for TV’s with a SDI display, a FHP display
or a Sharp full HD display. Depending on the software
version it is possible that the detection mechanism of this
error does not function and that the TV keeps rebooting.
•Error 64 (Display error). When this error occurs it means
that there is a problem with the I
the display. Allthough several display types communicate
2
C, this error will only work for TV’s with a FHP display.
via I
2
C communication towards
5.6The Blinking LED Procedure
5.6.1Introduction
The blinking LED procedure can be split up into two situations:
•Blinking LED procedure in case of a protection detected by
the stand-by processor. In this case the error is
automatically blinked. This will be only one error, namely
the one that is causing the protection. Therefore, you do
not have to do anything special, just read out the blinks. A
long blink indicates the decimal digit, a short blink indicates
the units.
•Blinking LED procedure in the “on” state. Via this
procedure, you can make the contents of the error buffer
visible via the front LED. This is especially useful for fault
finding, when there is no picture.
When the blinking LED procedure is activated in the “on” state,
the front LED will show (blink) the contents of the error-buffer.
Error-codes > 10 are shown as follows:
5. When all the error-codes are displayed, the sequence
finishes with a LED blink of 3 s,
6. The sequence starts again.
Example: Error 12 8 6 0 0.
After activation of the SDM, the front LED will show:
1. 1 long blink of 750 ms (which is an indication of the decimal
digit) followed by a pause of 1.5 s,
2. 2 short blinks of 250 ms followed by a pause of 3 s,
3. 8 short blinks followed by a pause of 3 s,
4. 6 short blinks followed by a pause of 3 s,
5. 1 long blink of 3 s to finish the sequence,
6. The sequence starts again.
•Transmit the commands “MUTE” - “062500” - “OK” with a normal RC. The complete error buffer is shown.
Take notice that it takes some seconds before the blinking
LED starts.
•Transmit the commands “MUTE” - “06250x” - “OK” with a normal RC (where “x” is a number between 1 and
5). When x= 1 the last detected error is shown, x= 2 the
second last error, etc.... Take notice that it takes some
seconds before the blinking LED starts.
5.7Protections
5.7.1Software Protections
Most of the protections and errors use either the stand-by
microprocessor or the VIPER controller as detection device.
Since in these cases, checking of observers, polling of ADCs,
filtering of input values are all heavily software based, these
protections are referred to as software protections.
There are several types of software related protections, solving
a variety of fault conditions:
•Protections related to supplies: check of the 12V, +5V,
+8V6, +1.2V and +3.3V.
•Protections related to breakdown of the safety check mechanism. E.g. since a lot of protection detections are
done by means of the VIPER, failing of the VIPER
communication will have to initiate a protection mode since
safety cannot be guaranteed any more.
Remark on the Supply Errors
The detection of a supply dip or supply loss during the normal
playing of the set does not lead to a protection, but to a cold
reboot of the set. If the supply is still missing after the reboot,
the TV will go to protection.
Protections during Start-up
During TV start-up, some voltages and IC observers are
actively monitored to be able to optimise the start-up speed,
and to assure good operation of all components. If these
monitors do not respond in a defined way, this indicates a
malfunction of the system and leads to a protection. As the
observers are only used during start-up, they are described in
the start-up flow in detail (see paragraph “Stepwise Start-up").
5.7.2Hardware Protections
There are no real hardware protections in this chassis..
Allthough, in case of an audio problem, the audio protection
circuit will switch off the main supply. The stand-by
microprocessor will interpret this as a mains dip and will try to
start up again.
In case of a TV with SDI display this will probably lead to
protection error 7 (8V6 error) and an internal error 11 (so it
looks like an overvoltage protection of the SDI supply itself).
In other cases it will lead to error 14 (audio protection).
Repair Tips
•It is also possible that you have an audio DC protection
because of an interruption in one or both speakers (the DC
voltage that is still on the circuit cannot disappear through
the speakers).
5.6.2How to Activate
Use one of the following methods:
•Activate the SDM. The blinking front LED will show the
entire contents of the error buffer (this works in “normal
operation” mode).
EN 44BJ3.0A LA5.
5.8Fault Finding and Repair Tips
Read also paragraph "Error Codes" - "Extra Info".
32" LCD
Power supply start-up behaviour
Service Modes, Error Codes, and Fault Finding
Power Supply Check
Mains cord is connected
N
SSB Board defective
Standby command linefrom P NX
BLR Procedure
SSB Start-up process
12V and 5V switched to DC/DC
converters on SSB start up via
Standby processor (PNX)
LED is on?
Y
Red LED is on +5V2 is ok.
Standby supply is working
Switch set on via Local keyboard or RC
Standby line goes
low pin 7 1M03
Relay on Display supply is closed
LLC supply starts
+12V, & +8V6 becomes available connector 1M46
+24V (or 295V) for Backlights connector 1319
OK
Voltages on
1M46?
No
Check if vacation switch is closed
+5V2 is OK?
Pin 7 1M46
Y
Check Fuse 1400 & 1401 , on Mains filter supply
Drive circuit 7100 & T 7102
and components in standby supply
Not OK
No start-up of Display supply check
No
Check Standby supply
Check 25V Hot, 400V Hot
Protection?
Blinking LED?
Y
If protection blinking LED.
Check if error code is related to
DC/DC converter on SSB
Error code is
from DC/DC ?
Y
Change SSB
BLR procedure
No
No
SSB Start-up process Continue
Viper & I2C commands
switching VDisplay voltage to LVDS
connector
In case of short circuit on VDisplay
PS, disconnect LVDS cable
Figure 5-18 First line fault find tree 32” LCD
LLC supply
is working?
Y
Check output voltage.
LCD Inverter start up process
from SSB.........
Check LLC Display supply
Drive 7001, Mosfet 7005, 7006
OVP Latch
If protection blinking LED
Check protection error code = xx xx xx
is 12V or DC protection(Audio)?
Disconnect PS connector to Audio part &
backlight inverters. Try again
N
Check OVP Latch
LLC supply components, control
circuit....
Check PS in standalone mode
(disconnect display supply
connectors)
G_15970_032.eps
120506
Service Modes, Error Codes, and Fault Finding
37" LCD
Power supply start-up behaviour
EN 45BJ3.0A LA5.
Power Supply Check
Mains cord is connected
N
SSB Board defective
Standby command linefrom PNX
BLR Procedure
Y
LED is on?
Y
Red LED is on +5V2 is ok.
Standby supply is working
Switch set on via Local keyboard or RC
Standby line goes
low pin 7 1M03
Y
+5V-SW, +12V, & +8V6 becomes available
from platform supply
Check on connector 1M46
Power OK platform
pin 2 1M03 is OK?
No
Check if vacation switch is closed
+5V2 is OK?
Pin 7 1M46
No
Y
Check Standby supply on platform
Check Fuse 1400, on Diplay supply
400VF = 295V on fuse 1P03
Drive circuit, T 7S02
and components in standby supply
No
SSB Start-up process
DC/DC converters start up via
Standby processor
Protection?
Blinking LED?
Y
Check if error code is related to
DC/DC converter on SSB
Error code is
from DC/DC ?
Y
Change SSB
BLR procedure
Display supply starts-up
Relay on Display supply is closed
LLC supply starts
No
LLC supply
is working?
No
SSB Start-up process Continue
Viper & I2C commands
switching VDisplay voltage to LVDS
connector
In case of short circuit on VDisplay
PS, disconnect LVDS cable
Y
N
Y
Check output voltage.
LCD Inverter start up process
from SSB.........
No start-up of platform supply check
+Vaux from standby supply
Check platform supply
Drive 7P27, Vcc = 15V
Switch on control part 7P12 & 7P26
If protection blinking LED
Check protection error code = xx xx xx
is related to platform supply
Disconnect PS connector To Audio if error code is
Disonnect PS to Ambilight 1M10 & 1M18.
Audio protection.
Try again
Check OVP Latch
+25V Hot and 400V Hot
LLC supply components, control
circuit....
Check PS in standalone mode
(disconnect display supply
connectors)
G_15970_033.eps
120506
Figure 5-19 First line fault find tree 37” LCD
EN 46BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
5.8.1Exit “Factory Mode”
When an "F" is displayed in the screen's right corner, this
means that the set is in "Factory" mode, and it normally
happens after a new SSB has been mounted.
To exit this mode, push the "VOLUME minus" button on the
TV's keyboard control for 5 seconds and restart the set.
When the TV starts up in factory mode, the TV will tune to
preset 0. When there is no channel installed on preset 0, there
will be no picture and it will look like the set is in standby mode.
De-activating factory mode can also be done via the above
method.
5.8.2MPIF
Important things to make the MPIF work:
•Supply.
•Clock signal from the AVIP.
2
C from the VIPER.
•I
When there is no sound an external sources, check the audio
supply of the MPIF.
5.8.3AVIP
Important things to make the AVIP work:
•Supplies.
•Clock signal from the VIPER.
2
C from the VIPER (error 29 and 31).
•I
5.8.4PACIFIC 3
In case the Pacific fails, the TV will go to stand-by. The reason
for this is, when there is an occasional boot problem of the
Pacific, it will look like the TV has started up in stand-by mode,
and the customer can switch it on again. When there is an
actual problem with or around the Pacific the TV will go to
stand-by every time you try to start up. So this behaviour is an
indication of a Pacific problem.
5.8.5Ambilight
Note: in case of Ambilight protection, the TV itself will not go to
protection, only the Ambilight board. When you disconnect the
TV from the mains and reconnect again, the Ambilights will
work again.
In case of multiple protections, check and replace the invertor
transformers and/or the lamp unit(s).
Protections on the ambilight boards:
Parallel arcing protection.In normal operation the inverter
frequency is ±63 kHz. In case of short circuit of the transformer
output the frequency is >100 kHz. Protection is done via
sensing the switching frequency.
Serial arcing protection. The detection of the arcing is done
in the ground wire of lamp units. The µProcessor is counting the
protection pulses. When 50 pulses are counted within 2
seconds protection will be triggered.
5.8.6Sanken display supply
For all sets with a Sanken supply there will be no error or
protection because there is no feedback foreseen from the
supply towards the SSB. The result of a failing Sanken display
supply could be that there is no picture, but that you will
probably have sound and 1 out of 3 ambilights will still work (in
case of 3-sided ambilight and ambilight is switched “on”).
Another result of a failing Sanken display supply is of course
that the set is completely dead.
When the primary circuit of the platform supply fails, there is a
high possibility that the main fuse of the Sanken display supply
will break. In this case the Sanken supply must not be replaced
completely, just replace the Sanken main fuse and repair the
platform supply. For safety reasons, make sure to use the
correct fuse type.
5.8.7DC/DC Converter
Introduction
•The best way to find a failure in the DC-DC converters is to
check their starting-up sequence at power-on via the mains
cord, presuming that the standby μP is operational.
•If the input voltage of DC-DC converters is around 12V
(measured on decoupling capacitors 2U17/2U25/2U45)
and the enable signals are low (active) then the output
voltages should have their normal values. First, the
standby μP activates the +1V2 supply (via ENABLE-1V2)
then, after this voltage becomes present and is detected
OK (about 100ms), the other two voltages (+2V5 and
+3V3) will be activated (via ENABLE-3V3). The Vtun
generator (present only for the analogue version of Jaguar
Baby) will generate +33V for the analogue tuner as soon as
the 12V/3.3V DC-DC converter will start operating.
•The consumption of controller IC 7U00 is around 30mA
(that means around 300mV drop voltage across resistor
3U22).
•The current capability of DC-DC converters is quite high
(short-circuit current is 7 to 10A), therefore if there is a
linear integrated stabilizer that, for example delivers 1.8V
from +3V3 with its output overloaded, the +3V3 stays
usually at its normal value even though the consumption
from +3V3 increases significantly.
•The +2V5 supply voltage is obtained via a linear stabilizer
made with discrete components that can deliver a lot of
current, therefore in case +2V5 (or +2V5D) is shortcircuited to GND then +3V3 will not have the normal value
but much less. There is a +2V5D low power linear stabilizer
(to supply the DDR memories in standby mode) that is not
used. In normal operation mode the value of this supply
voltage will be close to +2V5 (20..30 mV difference).
•The supply voltages +5V and +8V6 are available from
connector 1M46; they are not protecte
d by fuses. +12VSW
is protected for over-currents by the fuse 1U04 while 1U01
is protecting in case of defects in DC-DC converters. There
are on-board switches for +8V6-SW (see "DC-DC
CONNECTIONS" schematic) and +12VSW but they are
not used (by-passed).
Fault Finding
•Symptom: +1V2, +2V5 and +3V3 not present (even for a
short while ~10ms)
power MOS-FETs) and enable signal ENABLE-1V2
(active low),
2. Check the voltage on pin 9 (1.5V),
3. Check for +1V2 output voltage short-circuit to GND that
can generate pulsed over-currents 7...10A through coil
5U03,
4. Check the over-current detection circuit (2U12 or 3U97
interrupted).
•Symptom: +1V2 present for about 100ms, +2V5 and +3V3
not rising
1. Check the ENABLE-3V3 signal (active LOW),
2. Check the voltage on pin 8 (1.5V),
3. Check the under-voltage detection circuit (the voltage
on collector of transistor 7U10-1 should be less than
0.8V),
4. Check for output voltages short-circuits to GND (+3V3,
+2V5 and +2V5D) that can generate pulsed overcurrents 7...10A through coil 5U00,
5. Check the over-current detection circuit (2U18 or 3U83
interrupted).
Service Modes, Error Codes, and Fault Finding
EN 47BJ3.0A LA5.
•Symptom: +1V2 OK, +2V5 and +3V3 present for about
100ms.
Cause: SUPPLY-FAULT line stays low even though the
+3V3 and +1V2 is available - the standby μP is detecting
that and switching off all supply voltages.
1. Check the value of +2V5 and the drop voltage across
resistor 3U22 (they could be too high),
2. Check if +1V2 or +3V3 are higher than their normal
values - that can be due to defective DC feedback of
the respective dc-dc converter (ex. 3U18 or 3UA7).
•Symptom: +1V2, +2V5 and +3V3 look ok, except the
ripple voltage that is increased (audible noise can come
from the filtering coils 5U00 or 5U03).
Cause: Instability of the frequency and/or duty cycle of one
or both dc-dc converters.
1. Check the resistor 3U06, decoupling capacitors, AC
feedback circuits (2U20 + 2U21 + 3U14 + 3U15 for
+1V2 or 2U19 + 2U85 + 3U12 + 3U13 for +3V3),
compensation capacitors 2U09, 2U10, 2U23 and
2U73, IC 7U00.
•Symptom: +1V2, +2V5 and +3V3 ok, no +Vtun (analogue
sets only).
Cause: the “VTUN GENERATOR” circuit (second
schematic) is defective.
1. Check transistor 7U24 (has to have gate pulses of
about 10V amplitude and drain pulses of about 35V
amplitude) and surrounding components.
Note: fuse 1U01 broken means usually a pair of power MOSFETs (7U01 or 7U03) defective. The IC 7U00 should be
replaced as well in this case.
5.9Software Upgrading
5.9.1Introduction
The set software and security keys are stored in a NANDFlash, which is connected to the VIPER via the PCI bus.
It is possible for the user to upgrade the main and the stand-by software via the USB port. This allows replacement of a
software image in a stand alone set, without the need of an EJTAG debugger. A description on how to upgrade the main
software can be found in chapter 3 "Directions For Use".
Important: When the NAND-Flash must be replaced, a new
SSB must be ordered, due to the presence of the security
keys!!! (copy protection keys, MAC address, for US the POD
keys, ...). See table “SSB service kits” for the order codes.
Perform the following actions after SSB replacement:
1. Set the correct option codes (see sticker inside the TV).
2. Update the TV software (see chapter 3 for instructions).
3. Perform the alignments as described in chapter 8.
4. Check in CSM if the HDMI keys are valid.
Table 5-3 SSB service kits
Model Number
42PF9541/983104 328 4403x (16-bit)
47PF9541/933104 328 5001x (8-bit)refer to Spare Parts list
47PF9541/983104 328 5107x (8-bit)refer to Spare Parts list
SSB factory assy code
3104 328 4964x (8-bit)
1).
New SSB order code
refer to Spare Parts list
1). Information in column “SSB factory assy code” is only for
reference purposes. Do not use this code when ordering a new
SSB.
5.9.2Main Software Upgrade
The software image resides in the NAND-Flash, and is
formatted in the following way:
Data
Software
Channel table, EPG data, …
HDMI keys, POD keys, MAC
address, wizard pictures, EPG
pictures, …
Main software
Default software upgrade
application
Fall back software upgrade
application
Bootloader
µBTM
Partition Table
Data : read/write part
Data : read only part
Boot 2 (DVD OK)
Boot 1 (DVD cursor down)
Boot 0
Figure 5-20 NAND-Flash content
•Main software and default download application can be
upgraded via USB stick. See below.
•“Fall back software upgrade application”, bootloader and
µBTM can only be recovered via special EJTAG tooling
and the "flash utils" part of the one-zip. Only service centra
who are allowed to do component level repair have such
tooling.
•The "panel upg" which you will also find in the one-zip file
is used for factory purposes only.
Automatic Software Upgrade.
In "normal" conditions, so when there is no major problem with
the TV, the main software and the default software upgrade
application can be upgraded with the autorun.upg (FUS part of
the one-zip file: e.g. 3104 337 02871 _FUS _BX31E_
0.48.20.0_commercial.zip). This can also be done by the
customers themselves, but they will have to get their software
from the commercial Philips website. The autorun.upg file must
be put in the root of your USB stick.
How to upgrade :
1. Copy "autorun.upg" to the root of your USB stick
2. Insert USB stick in the side I/O while the set is in ON
MODE. The set will restart and the upgrading will start
automatically. As soon as the programming is finished,
you'll get the message that you can remove your USB stick
and restart the set.
One-ZIP : panel UPG
One-ZIP : FUS
One-ZIP : flash-utils
G_16460_019.eps
181006
Model Number
32PF9431/933104 328 49671 (8-bit)refer to Spare Parts list
32PF9531/793104 328 4403x (16-bit)
32PF9531/933104 328 4404x (16-bit)
32PF9531/983104 328 4403x (16-bit)
32PF9631D/793104 328 4400x (16-bit)
37PF9531/793104 328 4403x (16-bit)
37PF9531/933104 328 4404x (16-bit)
37PF9531/983104 328 4403x (16-bit)
37PF9631D/793104 328 4400x (16-bit)
42PF9541/933104 328 4404x (16-bit)
SSB factory assy code
3104 328 4964x (8-bit)
3104 328 4967x (8-bit)
3104 328 4964x (8-bit)
3104 328 4959x (8-bit)
3104 328 4964x (8-bit)
3104 328 4967x (8-bit)
3104 328 4964x (8-bit)
3104 328 4959x (8-bit)
3104 328 4967x (8-bit)
1).
New SSB order code
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
refer to Spare Parts list
Manual Software Upgrade.
In case that the software upgrade application does not start
automatically, you can also start it manually.
How to start the software upgrade application manually :
1. Disconnect the TV from the Mains/AC Power.
2. Press the "OK" button on a Philips DVD RC-6 remote
control (it is also possible to use the TV remote in "DVD"
mode).Keep the "OK button pressed while connecting the
TV to the Mains/AC Power.
3. The software upgrade application will start.
Attention !
In case that you have started the download application
manually, the "autorun.upg" will not be recognized.
What to do in this case :
1. Create a directory "upgrades" on your USB stick.
EN 48BJ3.0A LA5.
Service Modes, Error Codes, and Fault Finding
2. Rename the "autorun.upg" to something else, e.g. to
"software.upg". Don't use long or complicated names, keep
it simple. Make sure that autorun.upg is no longer present
in the root of your USB stick.
3. Copy the renamed upg file into this directory.
4. Insert USB stick in the side I/O.
5. The renamed upg file will be visible and selectable in the
upgrade application.
Fall Back Software Upgrade Application.
If the default software upgrade application does not start (could
be due to a corrupted boot 2 sector) via the above described
method, you can try to activate the “fall-back software upgrade
application”.
How to start the “fall back software upgrade application”
manually :
1. Disconnect the TV from the Mains/AC Power.
2. Press the "cursor down" button on a Philips DVD RC-6
remote control (it is also possible to use the TV remote in
"DVD" mode). Keep the "cursor down" button pressed
while connecting the TV to the Mains/AC Power.
3. The software upgrade application will start.
5.9.3Stand-by Software Upgrade
There are two methods now to upgrade stand-by software:
Upgrade via USB
In this chassis it is possible to upgrade stand-by software via a
USB stick. The method is similar to upgrading main software
via USB.
Use the following steps:
1. Create a directory “upgrades” on your USB stick.
2. Copy the stand-by software (delivered via the Service
organization) into this directory.
3. Insert the USB stick into the TV.
4. Start the download application manually (see paragraph
“Manual start of the Software Upgrade Application”.
5. Select the appropriate file and press the red button to
upgrade:
Upgrade via PC and ComPair interface
It will be possible to upgrade the Stand-by software via a PC
and the ComPair interface. Check paragraph "ComPair" on
how to connect the interface. To upgrade the Stand-by
software, use the following steps:
1. Disconnect the TV from the Mains/AC Power.
2. Short circuit the SPI pins [2] on the SSB. They are located
outside the shielding (see figure “Service mode pads”).
3. Keep the SPI pins shorted while connecting the TV to the
Mains/AC Power.
4. Release the short circuit after approx. two seconds.
5. Start up HyperTerminal (can be found in every Windows
application via Programs -> Accessories ->
Communications -> HyperTerminal). Use the following
settings:
–COM1
– Bits per second = 38400 (9600)*
– Data bits = 8
– Parity = none
– Stop bits = 1
– Flow control = None
6. Press “Shift U” on your PC keyboard. You should now see
the following info:
– PNX2015 Loader V1.0
– 19-09-2003
–DEVID=0x05
–Erasing
– MCSUM=0x0000
–=
7. If you do not see the above info, restart the above
procedure, and check your HyperTerminal settings and the
connections between PC and TV.
8. Via “Transfer” -> “Send text file ...”, you can send the
proper upgrade file to the TV (e.g. *.hex). This file will be
distributed via the Service Organization.
9. After successful programming, you must see the following
info (this can take several minutes!):
– DCSUM=0xECB3
–:Ok
– MCSUM=0xECB3
– Programming
– PCSUM=0xECB3
– Finished
10. If you do not see this info, restart the complete procedure.
11. Close HyperTerminal.
12. Disconnect and connect Mains/AC Power again.
(*) When having problems with upgrading, use the values
between brackets.
Block Diagrams, Test Point Overviews, and Waveforms
6.Block Diagrams, Test Point Overviews, and Waveforms
Wiring Diagram 32”
WIRING 32”
(STYLING STEP 2K6)
49BJ3.0A LA6.
AL
AMBI LIGHT
(OPTIONAL)
3P
1M16
11P
1M11
3P
1M15
11P
1M13
(OPTIONAL)
AMBILIGHT UNIT RIGHT
1M39
1M59
1M49
1M10
1M09
1M08
8508
3P
5P
4P
6P
4P
6P
14P
1319
8510
6P
8559
1M10
9P
7P
1M52
1M02
1735
2P3
SA
STANDBY / AUDIO
1736
2P3
8103
8146
8152
8549
1M46
11P
8302
1306
1M64
8319
7P
1M02
14P
1319
A
MAIN SUPPLY
9P
1M64
8150
8306
8364
LVD S
31P
8305
2P
3P
1305
9P
10P
1M03
AL
AMBI LIGHT
(OPTIONAL)
6P
1M08
4P
1M09
6P
1M10
4P
1M49
4P5
1M59
3P
1M39
1M13
1M15
1M11
1M16
11P
3P
11P
3P
(OPTIONAL)
AMBILIGHT UNIT LEFT
1M01
3P
CONTROL BOARD
E
8101
J
LED PANEL
6P
1M21
8121
11P
10P
1M46
1M03
B
SMALL SIGNAL BOARD
8735
SPEAKER RIGHT SPEAKER LEFT
3P
1M63
5P
1M59
8736
4P
USB
1H01
1M64
4P
1N62
9P
1E62
20P
1E40
40P
8262
1M52
8240
31P
1G50
8264
4P
11P
1M36
40P
1E40
EXTERNALS
BE
20P
1E62
3P
1M01
6P
1M21
2P
1306
3P
1305
2P
1308
8408
8136
8201
AC INLET
8192(UK)
8191(EUR
8193(CHN)
8194(AUS/NZ)
D
SIDE I/O
11P
1H01
(USB)
4P
1M37
G_15970_024.eps
181006
Block Diagrams, Test Point Overviews, and Waveforms
Wiring Diagram 37”
WIRING 37” (STYLING STEP 2K6)
50BJ3.0A LA6.
AL
3P
11P
3P
11P
AMBI
LIGHT
1M16
1M11
1M15
1M13
8319
8508
14P
AL
AMBI
LIGHT
6P
1M08
4P
1M09
6P
1M10
4P
1317
4P5
3P
1M49
1M59
1M39
1M13
1M15
1M11
1M16
11P
3P
11P
3P
10P
1M46
8549
1M03
14P
14P
1320
1319
8320
8510
7P
1M02
3P
1M39
5P
1M59
4P
1M49
C
AUDIO
6P
1M10
1M09
1M08
14P
1320
4P
2P
6P
9P
1M52
1M02
8302
1736
2P
1735
7P
8150
LVD S
31P
6P
1M10
4P
1M18
A
DISPLAY SUPPLY
11P
3P
1M63
PLATFORM SUPPLY
AMBILIGHT UNIT RIGHT
CONTROL BOARD
E
1M01
3P
8101
J
LED PANEL
1M21
8103
8146
8152
AMBILIGHT UNIT LEFT
4P
USB
1H01
1M64
4P
1N62
4P
8201
31P
1G50
8264
1E62
20P
8559
11P
10P
1M46
1M03
B
SMALL SIGNAL BOARD
Shielding
8735
6P
3P
1M63
4P5
1M59
1M52
1E40
40P
8262
8121
9P
8240
3P
11P
1M36
40P
1E40
1M01
1M21
BE
EXTERNALS
20P
1E62
6P
1H01
(USB)
11P
1M37
D
SIDE I/O
4P
8192(UK)
8191(EUR
8193(CHN)
8194(AUS/NZ)
INLET
8408
2P3
1308
8136
SPEAKER RIGHT SPEAKER LEFT
8736
G_15970_030.eps
181006
Block Diagrams, Test Point Overviews, and Waveforms
Wiring Diagram 42”
WIRING 42”
(STYLING TOP B and STEP 2K6)
51BJ3.0A LA6.
AL
3P
11P
3P
11P
AMBI
LIGHT
1M16
1M11
1M15
1M13
1M39
1M59
1M49
1M10
1M09
1M08
8508
8319
8402
2P3
1P02
3P
5P
4P
6P
4P
6P
14P
1319
8559
8410
2P3
1P22
AP
PLATFORM SUPPLY
8422
LVD S
30P
10P
1P10
6P
1M10
6P
1M08
14P
1319
12P
1316
8549
8510
8316
AL
AMBI
LIGHT
6P
1M08
4P
1M09
6P
1M10
4P
1M49
4P5
1M59
3P
1M39
1M13
1M15
1M11
1M16
11P
3P
11P
3P
DISPLAY SUPPLY
8146 8146
10P
10P
11P
1M03
1P10
1M46
2P3
2P
1M63
9P
6P
1M52
1M10
1736
2P3
2P3
1735
8152
1P22
12P
1316
AMBI LIGHT UNIT RIGHT
CONTROL BOARD
E
1M01
3P
8101
J
LED PANEL
1M21
8150
3P
1M01
8136
6P
1M21
AC INLET
2P3
1P02
8201
8408
8736
1308
2P3
D
SIDE I/O
11P
8103
11P
1M46
B
8121
8735
6P
SPEAKER RIGHT SPEAKER LEFT
10P
1M03
SMALL SIGNAL BOARD
2P
1M63
5P
1M59
4P
USB
1H01
1M64
4P
1N62
Only For
USB 2.0
4P
31P
1G50
8264
1E62
20P
1M52
1E40
40P
8262
9P
8240
11P
1M36
40P
1E40
BE
EXTERNALS
20P
1E62
AMBI LIGHT UNIT LEFT
1H01
USB
1M36
G_15972_005.eps
231106
Block Diagrams, Test Point Overviews, and Waveforms
Wiring Diagram 47”
WIRING 47” (STYLING ATEC)
8402
52BJ3.0A LA6.
8319
8422
1M01
3P
CONTROL BOARD
E
INVERTER
2P3
1P02
AP
14P
1319
8410
10P
1P10
11P
1M46
10P
8146
1M03
8103
11P
1M46
B
SMALL SIGNAL BOARD
2P3
1P22
PLATFORM SUPPLY
6P
1M10
10P
1M03
4P5
1M59
1M52
1D42
LVD S
51P
8151
10P
41P
1F50
AB
JIP 1080P
11P
1M36
40P
1E40
1M10
6P
3P
1M01
6P
1M21
2P3
1736
2P3
8610
4P
USB
1H01
1M64
1735
8150
8152
31P
1G50
4P
9P
5P
1E62
20P
41P
1F50
1E40
1M52
40P
9P
8240
1P10
2P3
1P22
DISPLAY SUPPLY
2P3
1P02
14P
1319
12P
1316
8316
1308
2P3
INVERTER
12P
1316
D
11P
1M36
SIDE I/O
1H01
USB
J
LED PANEL
6P
1M21
8121
RIGHT
LS
1N62
Only For
USB 2.0
8264
4P
8262
BE
EXTERNALS
20P
1E62
8136
8408
INLET
8201
LS
LEFT
G_16450_028.eps
301106
Block Diagrams, Test Point Overviews, and Waveforms
S
53BJ3.0A LA6.
Block Diagram Display Supply 32” LCD
UPPLY 32" LCD
MAINS FILTER + STANDBY
A1
SA3
400V_HOT
1308
1
2
MAINS INPUT
95 - 264Vac
SUPPLY
1400
SA2
5401
5403
F4A
14
7107
7U03
7U16
MAINS
FILTER
7U10
TEA1533AT/N1
DRIVER
SPMS
CONTROL
DRAIN
ISENSE
6
CTRL
2
VCC
7
DEM
RC FOR
DEMAGNETIZATION
SUPPLY FOR
CONTROLLER
CONTROL
1450
2
3
4
1
6506
DF06M
+
2503
5U05
7U02
STP6NK60
3U17
11
3U05
9
2U06
3108
6U25
6U03
+AUX
6807
GBJ6J
-
HOT GROUND
COLD GROUND
1401
5
5U03
3
2
1
5U08
5U06
3U17
3
6U01
3
HOT GROUND COLD GROUND
+
2816 + 2815
5U00
1 4
2
7U01
1 4
2
3810
RES
+
6
7
8
10
7U01
TCET1102
K
R
A
3U21
7U01
TCET1102
6466
6467
6155
1 4
3410
2
6465
5U10
3U11
Feedback
Circuit
3408 3409
RES
2U13
25V_HOT
400V_HOT
7807
TCET1102
3
LATCH
6U07
2U05
3U12
3U14
+5V2
CONTROL
1305
1 1
2 2
3 3
1306
1 1
2 2
3U13
3U15
A2
SA2
1305
1306
+
2U14
STANDBY
ON_OFF
SUPPLY
7017
7018
SOFT
START
+
CURRENT
PROTECTION
STANDBY
5504
5U17
7560
5508
3007
+12VA2
1M10
1
2
5
6
1M08
1
2
3
4
SA1
SA1
7001
MC34067P
11
OSCC
CONTROL
7
ERROR
11
SOST
5
VREF
7004
7009
VOLTAGE
PROTECTION
3560
TO 1M10
AL1
AMBI LIGHT
(BJ3.0)
TO 1M10
AL1
AMBI LIGHT
(FJ3.0)
VCC
OVER
400V_HOT
400V_HOT
OA
OB
FI
+5V2
+5V_SW
BIAS SUPPLY
15
14
12
10
SA3
14
6
2
7
DEMAGNETIZATION
7101
3000
5007
5001
4
2
6101
7100
TEA1533AT/N1
DRIVER
SPMS
CONTROL
DRAIN
ISENSE
CTRL
VCC
DEM
RC FOR
SUPPLY FOR
CONTROLLER
6080
6077
5017
5008
HIGH
SIDE
DRIVE
LOW
SIDE
DRIVE
5505
STP15NK50
STP15NK50
3S17
3S22
3152
7007
6
7
7008
10
9
11
9
HOT GROUND COLD GROUND
3100
6078
5010
2003
7005
5009
5040
7006
COLD GROUND
HOT GROUND
7102
STP6NK60
3160
3108
6103
3127
1 4
7002
TCET1102
2
3
5002
8
5027
9
7
10
5028
11
12
3
5
13
5025
14
15
5026
16
5500
5
5104
3
2
1
5105
5106
3146
+AUX
HOT GROUND COLD GROUND
6
7
8
10
1 4
7501
TCET1102
2
3
7511
7030
6033
6031
1007
K
A
T5A
R
3031
6044
STPS20L45CT
3
6045
3
6140
5103
3114
Feedback
Circuit
6021
6034
6032
DC_PROT
2
2
1
3
6107
2513
RES
2109
1
1
2
3124
3128
3030
2291
6291
6293
2293
3022
K
A
3113
3110
7010
TS2431AI
R
+
2141
+
2510
3057
3052
3025
3026
5293
5291
5292
SA1
CONTROL
+
2121
+
2022
3024
VS Voltage
Adj.
VSND_POS
GND_SND
VSND_NEG
CONNECTIONS
+12V_A
5507
5506
7531
+12V
+24V
7101
+24V
+295V
DC_PROT
+11V
+12V
+8V6
7131
+5V2
STANDBY
STANDBY: LOW = ON
HIGH = STBY
+5V_SW
1M08
1
2
3
4
5
6
1M02
7
6
5
4
3
2
1
1M64
11
22
33
44
55
66
A3
TO 1M10
AL
AMBI LIGHT
(BJ3.0)
TO 1M02
SA5
AUDIO
(BJ3.0)
TO 1M02
B15C
SSB
(FJ3.0)
1M64
CONNECTIONS
SA1
CONNECTIONS
DIM-CONTRO_PWM
Power-OK-Platform
ON_OFF
STANDBY
PROT_AUDIOSUPPLY
+5V2
1319
1317
1M46
1M03
1
2
3
4
5
1
2
3
4
5
4
3
9
11
7
1
2
6
5
1
2
3
4
7
8
10
TO
DISPLAY
TO
DISPLAY
TO 1M46
B1B
SSB
(BJ3.0)
TO 1M46
B16F
SSB
(FJ3.0)
TO 1M03
B5E
SSB
(BJ3.0)
TO 1M03
B16E
SSB
(FJ3.0)
G_15970_025.eps
261006
Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Platform Supply 37” LCD
SUPPLY 37" LCD
DISPLAY SUPPLY: PART1
A1
VAC-L
A3
1308
1
2
MAINS INPUT
95-264Vac
1400
F4A
5401
5403
5405
MAINS
FILTER
STANDBY
7801
7802
STANDBY
PLATFORM SUPPLY: AUXILIARY SUPPLY
A3
A1
HOT GROUND
COLD GROUND
VAC-N
1450
6807
GBJ6J
+
-
+
2816+2815
6464
7013
7014
+5V-SW
+24V_+295V
6P066P10
DC+
DC-
VAC-L
VAC-N
AUDIO-PROT
+5V2-NF
STANDBY
ON-OFF
DIM_CONTROL
POWER-OK-PLATFORM
ON-OFF
STANDBY
BOOST
POWER-GOOD
6P05
GBL06
3
1P17
+5V-SW
1
+
-
4
CONTROL
POWER
GOOD
2
3P56
+T
3810
6155
3410
VAC-RELAY
1M03
1
2
3
4
5
6
7
8
9
10
6466
6467
14
2
6465
POWER-GOOD
1P03
F1A
AL-OFF
TO 1M03
B5E
SSB (BJ3.0)
TO 1M03
B16F
SSB (FJ3.0)
7807
TCET1102
3
LATCH
A5
DISPLY SUPPLY: PART2
A2
DC+
A3
DC-
25V_HOT
400V_HOT
7017
HOT GROUND
COLD GROUND
14
2
A4
+400V-F
7018
SOFT
START
+
CURRENT
PROTECTION
+400V-F
+400V-F
A4
+AUX
7P12
TCET1102
3
3000
PLATFORM SUPPLY: STANDBY SUPPLY
5S05
7100
TEA1533AT/N1
SPMS
CONTROL
14
DRAIN
6
CTRL
2
VCC
7
DEM
RC FOR
DEMAGNETIZATION
7107
SUPPLY FOR
CONTROLLER
DRIVER
ISENSE
7001
MC34067P
1
3007
7
11
5
7004
7009
7P27
TEA1506AT
6
CTRL
2
VCC
7
DEM
DEMAGNETIZATION
7P26
11
9
OSCC
CONTROL
ERROR
SOST
VREF
OVER
VOLTAGE
PROTECTION
SPMS
CONTROL
DRIVER
INSENSE
RC FOR
SUPPLY FOR
CONTROLLER
3S17
3S22
3S29
VCC
DRAIN
15
OA
OB
FI
STP6NK60
54BJ3.0A LA6.
DISPLAY SUPPLY: PART1
A1
7002
2S07
TCET1102
2143
5002
8
7
3
5
5P00
5
3
2
1
5P01
5
3
2
1
2143
2S04
6S01
2S13
6S07
3S28
3S19
9
10
11
12
13
14
15
16
6
7
8
9
10
6
7
8
9
10
7P11
3S24
3S23
7U05
3P62
+
2S41
+
2S50
7030
CONTROL
5027
5028
5025
5026
5P10
5P11
5P12
5P13
3P613PP2
7P09
K
R
A
3S21
5S11
6044
3
6045
3
6021
3
6025
3
2P12
3P12
6P13
6P11
6P12
7S31
STANDBY
2
2
2
2
1
1
1
1
3030
1P06
T5A
1P07
T5A
+12V_NF
+8V6
+5V_SW
+5V2
3022
7010
TS2431AI
K
A
+25VLP
+5V2-NF
+5V2
+5V-SW
R
7P20
STANDBY
7P23
STANDBY
3057
3052
3025
VS Voltage
3026
Adj.
5P20
5P19
AL-OFF
1P30
POWER OK
+
2P49
+
2P50
+
2P48
3P57 3P58
T5A
POWER-OK-PLATFORM
25W SUPPLY
A5
VAC-RELAY
2021
2022
9P65
7P18
+24V_+295V
RES
AL-OFF
5P16
VAV-N
+12Vd
5P14
7P14
STANDBY
+12V_NF
+12VAL
+12V
+8V6
(OPTIONAL)
6U09
GBJ6J
1319
+8V6
+12V
+5V-SW
+5V2
+12VAL
+12VAL
+5V-SW
11
9
5U04
3U07
3U05
(1314)
1320
(1315)
1M08
1M02
1M46
1M10
1M18
1M63
11
1
2
3
DISPLAY
4
5
1
2
3
DISPLAY
4
5
1
2
3
N.C.
4
5
6
7
6
5
TO 1M02
4
AUDIO (BJ3.0)
3
2
1
3
4
TO 1M46
5
B1B
7
SSB (BJ3.0)
9
1
TO 1M10
2
AL1
3
AMBI LIGHT
(BJ3.0)
4
1
2
N.C.
3
4
1
TO
CARD
2
READER
5U05
7U02
STP6NK60
3U06
TO
TO
TO 1M02
C
SSB (FJ3.0)
TO 1M46
B16F
SSB (FJ3.0)
TO 1M08
AMBI LIGHT
(FJ3.0)
5U03
3U08
5U06
6U03
3U17
A3
AL1
5U00
6
5
5U10
7
3
8
9
2
10
1
5U08
7U01
TCET1102
2143
7U05
K
R
A
HOT GROUND COLD GROUND
2U13
Feedback
Circuit
2U05
6U07
3U12
3U14
5U17
+12VB
+
2U14
3S24
3U15
1M07
1M09
G_15970_026.eps
221106
1
2
N.C.
3
4
1
2
3
N.C.
4
5
6
+24V_+295V
+24V_+295V
AUDIO-PROT
+AUDIO-POWER
-AUDIO-POWER
STANDBY
1U00
+
T1.0
7U10
TEA1533AT/ N1
DRIVER
SPMS
CONTROL
14
DRAIN
ISENSE
6
CTRL
2
VCC
7
DEM
RC FOR
DEMAGNETIZATION
7U15
SUPPLY FOR
CONTROLLER
6078
2003
STP15NK50
STP15NK50
5P06
5P04
5S00
6
7
8
9
10
7S03
TCET1102
2143
7S04
K
A
3100
5010
7005
5009
5040
7006
HOT GROUND COLD GROUND
5P05
5P03
HOT GROUND COLD GROUND
5S12
5S03
3S14
R
Feedback
Circuit
BIASSUPPLY
3000
5007
5001
14
4
2
12
10
5P26
14
3P04
11
3P33
9
+AUX
7S02
3S50
3S30
3108
6S12
6080
6077
5017
5008
7007
HIGH
6
SIDE
DRIVE
7
7008
LOW
10
SIDE
DRIVE
9
5PO7
7P02
STP6NK607
3P50
3P27
3P16
6P27
+
2P06
5
5S09
3
2
1
5S10
5S01
3S36
+AUX
HOT GROUND COLD GROUND
Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Platform Supply 42” & 47” LCD
PLATFORM SUPPLY 42”- 47”
MAINS FILTER + STANDBY
AP1
55BJ3.0A LA6.
HOT GROUND COLD GROUND
FROM 1P22
DISPLAY
SUPPLY
FROM 1P02
DISPLAY
SUPPLY
HOT GROUND
COLD GROUND
1P22
1
2
1P02
2
1
+400V-F
AP2
2
CONTROL
3P56
+T
1P03
F1A
1P10
1
2
3
4
5
6
7
8
9
10
1M03
1
2
3
4
5
6
7
8
9
10
AL-OFF
TO 1P10
DISPLAY
SUPPLY
TO 1M03
(BJ3.0)
AP3
+DC-F
-DC-F
B5E
SSB
9P63
RES
FILTER
5F00
FILTER
1P16
2
1
1 4
2
3F04
RES
3
AP2
+400V-F
AP1
3F06
7P12
STANDBY
3F05
+AUX
3P13
5S05
+400V-F
V-CLAMP
6P02
7P27
TEA1506AT
SPMS
CONTROL
6
CTRL
2
VCC
7
DEM
RC FOR
DEMAGNETIZATION
7P26
SUPPLY FOR
CONTROLLER
5P25
14
DRAIN
11
DRIVER
9
INSENSE
7S10
TEA1533AT/N1
CONTROL
14
DRAIN
6
CTRL
2
VCC
7
DEM
RC FOR
DEMAGNETIZATION
7107
SUPPLY FOR
CONTROLLER
DRIVER
SPMS
ISENSE
5P26
3P04
3P33
STP6NK607
3P27
+AUX
11
9
3S17
3S22
3S29
7P02
5PO7
3P50
3P16
6P27
+
2P06
STP6NK60
5P06
5P04
3S30
7S02
3S50
3108
6S12
5P05
5P03
5S09
5S10
5S01
3S36
+AUX
6P06 6P10
6P05
1
GBL06
+
3
-
4
1P17
1 2
+5V2-NF
STANDBY
ON-OFF
AUDIO-PROT
DIM_CONTROL
POWER-GOOD
ON-OFF
BOOST
STANDBY
3 4
+5V-SW
AP2
DIM_CONTROL
POWER-OK-PLATFORM
ON-OFF
+5V-SW
AP2
STANDBY
BOOST
POWER-GOOD
HOT GROUND COLD GROUND
5P00
5
3
2
1
5
3
2
1
5
3
2
1
6
7
8
9
10
5P01
6
7
8
9
10
3P61 3P49
1 4
7P11
3P62
2
3
7P16
K
R
A
5S00
6
5S12
7
8
5S03
9
10
1 4
7S03
TCET1102
2
3
7S04
K
R
A
Feedback
Circuit
3S14
5P10
5P11
5P12
5P13
7P09
2S07
2S04
6S01
2S13
6S07
2P12
3P12
3S28
3S19
6P13
6P11
6P12
1P06
1P07
+12V_NF
+5V_SW
3S24
3S23
T5A
T5A
+8V6
+5V2
+
2S41
+
2S50
7P20
STANDBY
7P23
STANDBY
3S21
5S11
5P20
5P19
7P18
AL-OFF
1P30
T5A
POWER OK
7S31
STANDBY
+AUDIO-POWER
5P14
5P16
3P58
+12V_NF
+12VAL
7P14
STANDBY
+25VLP
+5V2-NF
+5V_SW
+
2P49
+
2P50
+
2P48
3P57
POWER-OK-PLATFORM
AUDIO-PROT
-AUDIO-POWER
AL-OFF
+12V
+8V6
STANDBY
+5V2
+8V6
+12V
+5V-SW
+5V2
G_15972_006.eps
1M02
1M46
1M18
1M10
131106
7
6
5
4
3
2
1
3
4
5
TO 1M46
7
9
(BJ3.0)
11
1
2
3
4
1
2
3
4
(OPTIONAL)
5
6
RES
B1B
SSB
RES
TO 1M10
AB1
JIP 1080P
Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Display Supply 42” (Sanken)
DISPLAY SUPPLY 24V OUT (Sanken)
Vin: 90 - 276 Vac
Freq: 48 - 65 Hz
AC-IN
56BJ3.0A LA6.
DISPLAY SUPPLY
1. +24V
2. +24V
3. +24V
4. +24V
5. +24V
6. GND
7. GND
1308
1319 1316
8. GND
9. GND
10. GND
11. BOOST
12. ON/OFF
13. DIM-CONTROL
14. Select PWM-ANA
1P02
AC-IN FOR
PLATFORM-PSU
P: 15W
1P22
400V FOR
PLATFORM-PSU
P: 65W
1P10
CONTROL:
1. DIM CONTROL
2. POWER GOOD
3. LIGHT ON/OFF
4. GND
5. BOOST
6. N.C.
7. STANDBY
8. N.C.
9. +5V2
10. N.C.
1M08
1M10
DISPLAY SUPPLY
1. +24V
2. +24V
3. +24V
4. +24V
5. +24V
6. GND
7. GND
8. GND
9. GND
10. GND
11. BOOST
12. ON/OFF
AMBIENT LIGHT
1. +12V
2. +12V
3. +12V
4. +12V
5. GND
6. GND
PRIMARY SIDE
SECONDARY SIDE
G_15972_007.eps
311006
Block Diagrams, Test Point Overviews, and Waveforms
SRP (Service Reference Protocol) isasoftware tool that createsa list with all references to signal lines. The list contains
references to the signals within all schematics of a PWB. It replaces the text references currently printed next to the signal
names in the schematics. These printed referencesare created manually and are therefore not guaranteed to be 100%
correct. In addition, in the current crowded schematics there is often none or very little place for these references.Some of the PW
B schematics w
reference list for a schematic, or there will be printed references in the schematic.
1.2. Non-SRP Schematics
There are several different signals available in a schematic:
1.2.1.Power Supply Lines
All power supply lines are available in the supply line overview (see chapter 6). In the schematics (see chapter 7) is not
indicated where supplies are coming from or going to.
It is however indicated if a supply is incoming (created elsewhere), or outgoing (created or adapted in the current schematic).
Outgoing Incoming
+5V+5V
1.2.2. Normal Signals
For normal signals, a schematic reference (e.g. B14b) is placed next to the signals.
B14b
signal_name
1.2.3. Grounds
For normal and special grounds (e.g. GNDHOT or GND3V3 etc.), nothing is indicated.
1.3. SRP Schematics
SRP isa tool, which automatically createsa list with signal references, indicating on which schematic the signalsare used.
A reference is created for all signals indicated with an SRP symbol, these symbols are:
+5V+5V
namename
namename
namename
name
Bi-directional line (e.g. SDA) into a wire tree.
name
Signal line into a wire tree, its direction depends on the circuit (e.g. ingoing for PDP, outgoing for LCD sets).
Remarks:
• When there is a black dot on the "signal direction arrow" it is an SRP symbol, so there will be a reference to the signal
name in the SRP list.
• All references to normal grounds (Ground symbols without additional text) are not listed in the reference list, this to keep
it concise.
• Signals that are not used in multiple schematics, but onl
in the SRP reference list, but only with one reference.
Additional Tip:
When using the PDF service manual file, you can very easily search for signal names and follow the signal over all the
schematics. In Adobe PDF reader:
• Select the signal name you want to search for,
• Copy and paste the signal name in the "Search PDF" tool.
• Search for all occurrences of the signal name.
• Now you can quickly jump between the different occurrences and follow the signal over all schematics. It is advised to
"zoom in" to e.g. 150% to see clearly, which text is selected. Then you can zoom out, to get an overview of the complete
schematic.
PS. It is recommended to use at l
ill use SRP while others will still use the manual references. Either there will be an SRP
Power supply line.
Stand alone signal or switching line (used as lessas possible).
Signal line into a wire tree.
Switching line into a wire tree.
y once or several times in the same schematic, are included
with the "Select text" tool.
east Adobe PDF (reader) version 6.x, due to better search possibilities in this version.