Philips L03.1U AA Service Manual

Color Television Chassis

L03.1U

AA

Contents Page

1. Technical Specifications, Connections, and Chassis
Overview 2

2. Safety Instructions, Warnings, and Notes 4

3. Directions for Use 7

4. Mechanical Instructions 8

5. Service Modes, Error Codes, and Fault Finding 9

6. Block Diagrams, Test Point Overviews, and

Waveforms

Block Diagram 13
I2C and Supply Voltage Overview 14
Testpoint Overview Mono Carrier and CRT Panel15

7. Circuit Diagrams and PWB Layouts Diagram PWB
Mono Carrier: Power Supply (A1)16 26-31
Mono Carrier: Deflection (A2)17 26-31
Mono Carrier: Tuner IF (A3)18 26-31
Mono Carrier: Video Processing (A4)19 26-31
Mono Carrier: Audio Processing (A5)20 26-31
Mono Carrier: Audio Amplifier (A6)21 26-31
Mono Carrier: Font I/O + Control + HP (A7)22 26-31
Mono Carrier: Rear I/O Cinch (A8)23 26-31
Mono Carrier: Diversity Table for Rear I/O (A8) 24 26-31
Mono Carrier: DVD Power Supply (Optional)(A9)25 26-31
CRT Panel (B1)32 33
Side AV Panel (D) 34 35
Top Control Panel (E)36 36

8. Alignments 37

9. Circuit Descriptions, List of Abbreviations, and IC
Data Sheets 44
Abbreviation List 47
IC Data Sheets 49

10. Spare Parts List 50

11. Revision List 55

CL 36532044_000.eps

020603

©

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.

Published by WS 0665 BG CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 13933

EN 2 L03.1U AA1.

Technical Specifications, Connections, and Chassis Overview

1. Technical Specifications, Connections, and Chassis Overview

Index of this chapter:

1.1 Technical Specifications

1.2 Connections

1.3 Chassis Overview

1.1 Technical Specifications

1.1.1 Reception

Tuning system : PLL
Color systems : NTSC M
Sound systems : Mono, or

: BTSC with SAP
A/V connections : NTSC M
Channel selections : 181 Presets/

Channels

: Full-Cable
IF frequency : 45.75 MHz
Aerial input : 75 ohm (F type), Coax

1.1.2 Miscellaneous

Audio output : Mono: 3 W rms

: Bisonic (mono): 2 x

1.5 W rms

: Stereo: 2 x 3 W rms
Mains voltage : 90 - 132 V (± 10 %)
Mains frequency : 50 / 60 Hz (± 5 %)
Ambient temperature : + 5 to + 45 °C
Minimum air pressure : 60 kPa (= 600 mBar)
Maximum humidity : 90 %
Power consumption : 36 W (14”) to

: 50 W (21”)

: 105 W (27”)
Standby Power consumption : < 3 W

1.2 Connections

1.2.1 Side Connections

1.2.2 Rear Connections

Figure 1-2 Rear Connections.

Cinch: AV Out

Ye - Video 1 Vpp / 75 ohm kq
Wh - Audio L (0.5 Vrms / 1 kohm) kq
Rd - Audio R (0.5 Vrms / 1 kohm) kq

Cinch: Video YPbPr - In

Gn - Video Y 1 V
Bu - Video Pb 0.7 V
Rd - Video Pr 0.7 V

/ 75 ohm jq

PP

/ 75 ohm jq

PP

/ 75 ohm jq

PP

Cinch: AV1 In

Ye - Video 1 Vpp / 75 ohm jq
Wh - Audio L (0.5 Vrms / 10 kohm) jq
Re - Audio R (0.5 Vrms / 10 kohm) jq

S-Video (Hosiden): Video Y/C - In

1 -Ground Y Gnd H
2 -Ground C Gnd H
3 - Video Y 1 V
4 - Video C 0.3 V

/ 75 ohm j

PP

P / 75 ohm j

PP

FM Ant

1 - F type 75 ohm, coax. D

G_13933_016.eps

030506

G_13933_015.eps

030506

Figure 1-1 Side Connections.

Headphone

Bk - Headphone, 3.5

mm 8 - 600 Ω / 4 mW ot

Audio / Video In

Ye - Video 1 Vpp / 75 ohm jq
Wh - Audio L Mono 0.2 Vrms / 10 kohm jq

Rd - Audio R Mono 0.2 Vrms / 10 kohm jq

Technical Specifications, Connections, and Chassis Overview

1.3 Chassis Overview

EN 3L03.1U AA 1.

B1

CRT PANEL

Figure 1-3 Chassis overview

MAIN

CHASSIS

PANEL

TOP CONTROL PANEL

POWER SUPPLY

LINE DEFLECTION

TUNER IF

VIDEO PROCESSING

AUDIO PROCESSING

AUDIO AMP + MONO SOUND PROC.

FRONT I/O + FRONT CONTROL
+ HEADPHONE

REAR I/O CINCH

DVD POWER SUPPLY

(STEREO +SAP)

CL 36532044_021.eps

E

A1

A2

A3

A4

A5

A6

A7

A8

A9

020603

EN 4 L03.1U AA2.

Safety Instructions, Warnings, and Notes

2. Safety Instructions, Warnings, and Notes

Index of this chapter:

2.1 Safety Instructions

2.2 Maintenance Instructions

2.3 Warnings

2.4 Notes

2.1 Safety 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.

• Wear safety goggles when you replace the CRT.

Safety regulations require that after a repair, the set must be
returned in its original condition. Pay in particular attention to
the following points:

• General repair instruction: as a strict precaution, we advise

you to re-solder the solder connections through which the
horizontal deflection current flows. In particular this is valid
for the:

1. Pins of the line output transformer (LOT).

2. Fly-back capacitor(s).

3. S-correction capacitor(s).

4. Line output transistor.

5. Pins of the connector with wires to the deflection coil.

6. Other components through which the deflection current
flows.

Note: This re-soldering is advised to prevent bad connections
due to metal fatigue in solder connections, and is therefore only
necessary for television sets more than two years old.

• Route the wire trees and EHT cable correctly and secure
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, to prevent the cord from touching the CRT,
hot components, or heat sinks.

• 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.

2.2 Maintenance Instructions

We recommend a maintenance inspection carried out by
qualified service personnel. The interval depends on the usage
conditions:

• When a customer uses the set under normal
circumstances, for example in a living room, the
recommended interval is three to five years.

• When a customer uses the set in an environment with
higher dust, grease, or moisture levels, for example in a
kitchen, the recommended interval is one year.

• The maintenance inspection includes the following actions:

1. Perform the “general repair instruction” noted above.

2. Clean the power supply and deflection circuitry on the
chassis.

3. Clean the picture tube panel and the neck of the picture
tube.

2.3 Warnings

• In order to prevent damage to ICs and transistors, avoid all
high voltage flashovers. In order to prevent damage to the
picture tube, use the method shown in figure “Discharge
picture tube”, to discharge the picture tube. Use a high
voltage probe and a multi-meter (position V
until the meter reading is 0 V (after approx. 30 s).

V

Figure 2-1 Discharge picture tube

• 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 prevents circuits
from becoming unstable.

2.4 Notes

2.4.1 General

• 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 color 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

). Discharge

DC

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250304

Safety Instructions, Warnings, and Notes

EN 5L03.1U AA 2.

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.

2.4.2 Schematic 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.

2.4.3 Rework 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.

-9

), or pico-farads (p= x10

-12

2.4.4 Lead-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 1991
week 18).

-6

),

).

E_06532_024.eps

230205

Figure 2-2 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 2-3 Lead-free logo

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.

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 neighboring 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.

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 stabilize 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 stabilized 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
clean the solder-joint from old tin and re-solder with new
tin.

• 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!

EN 6 L03.1U AA2.

• 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 BGA-ICs, you must use the correct temperature­profile, 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.

2.4.5 Alternative BOM identification

In September 2003, Philips CE introduced a change in the way
the serial number (or production number, see Figure 2-2) is
composed. From this date on, the third digit in the serial
number (example: AG2B0335000001) indicates the number of
the alternative BOM (Bill of Materials used for producing the
specific model of TV set). 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 O.E.M.s.
By looking at the third digit of the serial number, the service
technician can see if there is more than one type of B.O.M.
used in the production of the TV set he is working with. He can
then consult the At Your Service Web site, where he can type
in the Commercial Type Version Number of the TV set (e.g.
28PW9515/12), after which a screen will appear that gives
information about the number of alternative B.O.M.s used.
If the third digit of the serial number contains the number 1
(example: AG1B033500001), then there is only one B.O.M.
version of the TV set on the market. If the third digit is a 2
(example: AG2B0335000001), then there are two different
B.O.M.s. 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.

Safety Instructions, Warnings, and Notes

2.4.6 Practical 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.

3. Directions for Use

You can download this information from the following websites:

http://www.philips.com/support
http://www.p4c.philips.com

Directions for Use

EN 7L03.1U AA 3.

EN 8 L03.1U AA4.

Mechanical Instructions

4. Mechanical Instructions

Index of this chapter:

4.1 Rear Cover Removal

4.2 Service Position Main Panel

4.3 Rear Cover Mounting

4.1 Rear Cover Removal

1. Remove all fixation screws of the rear cover.

2. Now pull the rear cover in backward direction to remove it.

4.2 Service Position Main Panel

1. Disconnect the strain relief of the AC power cord.

2. Remove the main panel, by pushing the two center clips
outward [1]. At the same time pull the panel away from the
CRT [2].

3. If necessary disconnect the degaussing coil by removing
the cable from (red) connector 0212.

4. Move the panel somewhat to the left and flip it 90 degrees
[3], with the components towards the CRT.

4.3 Rear Cover Mounting

Before you mount the rear cover, perform the following checks:

1. Check whether the mains cord is mounted correctly in its
guiding brackets.

2. Re-place the strain relief of the AC power cord into the
cabinet.

3. Check whether all cables are replaced in their original
position

1

1

2

A

3

B

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Figure 4-1 Service Position

Service Modes, Error Codes, and Fault Finding

5. Service Modes, Error Codes, and Fault Finding

EN 9L03.1U AA 5.

Index of this chapter:

5.1 Test Points

5.2 Service Modes

5.3 Problems and Solving Tips

5.4 Service Tools

5.5 The Blinking LED Procedure

5.6 Protections

5.7 Repair Tips

5.1 Test Points

This chassis is equipped with test points in the service printing.
In the schematics test points are identified with a rectangle box
around Fxxx or Ixxx. On the PCB, test points are specifically
mentioned in the service manual as “half moons” with a dot in
the center.

Table 5-1 Test Point Overview

TEST POINT CIRCUIT DIAGRAM

Fxxx, Ixxx POWER SUPPLY A1

Fxxx, Ixxx Deflection A2

Fxxx, Ixxx TUNER & IF A3

Fxxx, Ixxx VIDEO PROCESSING A4

Fxxx, Ixxx AUDIO PROCESSING A5

Fxxx, Ixxx AUDIO AMPLIFIER +

MONO SOUND
PROCESSING

Fxxx, Ixxx FRONT IO + FRONT

CONTROL + HEAD­PHONE

Fxxx, Ixxx DVD POWER SUPPLY A9

Fxxx, Ixxx CRT PANEL B1

Perform measurements under the following conditions:

• Service Default Alignment Mode.

• Video: color bar signal.

• Audio: 3 kHz left, 1 kHz right.

5.2 Service Modes

Service Default Alignment Mode (SDAM) offers several
features for the service technician.
.
There is also the option of using ComPair, a hardware interface
between a computer (see requirements) and the TV chassis. It
offers the ability of structured trouble shooting, error code
reading and software version readout for all chassis.
Requirements: To run ComPair on a computer (laptop or
desktop) requires, as a minimum, a 486 processor, Windows

3.1 and a CD-ROM drive. A Pentium Processor and Windows
95/98 are however preferred (see also paragraph 5.4).

Table 5-2 SW Cluster

SW
Cluster

L3SUS1 L03US1 x.y TDA9377 55K

L3SUS2 L03US2 x.y TDA9377 55K

Abbreviations in Software name: U = Nafta, S = Stereo.

Software
mane

UOC type UOC

Diversity

ROM Size

ROM Size

A6

A7

Special
Features

Stereo

Magnavox
Stereo

5.2.1 Service Default Alignment Mode (SDAM)

Purpose

• To change option settings.

• To create a predefined setting to get the same
measurement results as given in this manual.

• To display / clear the error code buffer.

• To override SW protections.

• To perform alignments.

• To start the blinking LED procedure.

Specifications

• Tuning frequency: 61.25 MHz (channel 3) for NTSC-sets
(Nafta).

• Color system: NTSC-M.

• All picture settings at 50 % (brightness, color contrast,
hue).

• Bass, treble and balance at 50 %; volume at 25 %.

• All service-unfriendly modes (if present) are disabled, like:
– (Sleep) timer,
– Child/parental lock,
– Blue mute,
– Hotel/hospitality mode
– Auto switch-off (when no “IDENT” video signal is

received for 15 minutes),
– Skip / blank of non-favorite presets / channels,
– Auto store of personal presets,
– Auto user menu time-out.

• Operation hours counter.

• Software version.

• Option settings.

• Error buffer reading and erasing.

• Software alignments.

How to enter SDAM

Use one of the following methods:

• Use a standard customer RC-transmitter and key in the
code 062596 directly followed by the “M” (menu) button or

• Short jumper wires 9257 and pin 4 of 7200 on the mono
carrier (see Fig. 8-1) and apply AC power. Then press the
power button (remove the short after start-up).

• Caution: Entering SDAM by shorten wires 9257 and pin 4
of 7200 will override the +8V-protection. Do this only for a
short period. When doing this, the service-technician must
know exactly what he is doing, as it could lead to damaging
the set.

• Or via ComPair.

After entering SDAM, the following screen is visible, with S at
the upper right side for recognition.

    

      

  
  


 
     
 
   

Figure 5-1 SDAM Menu



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130603

• LLLL. This is the operation hours counter. It counts the
normal operation hours, not the standby hours.

• AAABCD-X.Y. This is the software identification of the main micro controller:

EN 10 L03.1U AA5.

Service Modes, Error Codes, and Fault Finding

– A = the project name (L03).
– B = the region: E= Europe, A= Asia Pacific, U= NAFTA,

L= LATAM.

– C = the feature of software diversity: N = stereo non-

DBX, S = stereo dBx, M = mono, D = DVD
– D = the language cluster number:
– X = the main software version number.
– Y = the sub software version number.

• S. Indication of the actual mode. S= SDAM= Service
Default Alignment mode.

• Error buffers. Five errors possible.

• Option bytes. Seven codes possible.

• Clear. Erase the contents of the error buffer. Select the
CLEAR menu item and press the CURSOR RIGHT key.
The content of the error buffer is cleared.

• Options. To set the Option Bytes. See chapter 8.3.1 for a
detailed description.

• AKB. Disable (0) or enable (1) the “black current loop”
(AKB = Auto Kine Bias).

• Tuner. To align the Tuner. See chapter 8.3.2 for a detailed
description.

• White Tone. To align the White Tone. See chapter 8.3.3
for a detailed description.

• Geometry. To align the set geometry. See chapter 8.3.4
for a detailed description.

• Audio. Use default value (Stereo set only), align when
necessary. See chapter 8.3.x for a detailed description.
<<<<<<<

How to navigate

• In SDAM, select menu items with the CURSOR UP/DOWN
key on the remote control 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:
– Activate the selected menu item.
– Change the value of the selected menu item.
– Activate the selected submenu.

• When you press the MENU button twice, the set will switch
to the normal user menus (with the SDAM mode still active
in the background). To return to the SDAM menu press the
OSD / STATUS button.

• When you press the MENU key in a submenu, you will
return to the previous menu.

How to store settings

To store settings, leave the SDAM mode with the Standby
button on the remote.

How to exit

Switch the set to STANDBY by pressing the power button on
the remote control (if you switch the set 'off' by removing the AC
power, the set will return in SDAM when AC power is re­applied). The error buffer is not cleared.

5.3 Problems and Solving Tips

5.3.1 Picture Problems

Note: Below described problems are all related to the TV

settings. The procedures to change the value (or status) of the
different settings are described.

No colors / noise in picture

1. Press the MENU button on the remote control.

2. Select the INSTALLATION sub menu.

3. Select and change the SYSTEM setting until picture and
sound are correct.

4. Select the STORE menu item.

Colors not correct / unstable picture

1. Press the MENU button on the remote control.

2. Select the INSTALLATION sub menu.

3. Select and change the SYSTEM setting until picture and
sound are correct.

4. Select the STORE menu item.

Picture too dark or too bright

Increase / decrease the BRIGHTNESS and / or the
CONTRAST value when:

• The picture improves after you have pressed the “Smart
Picture” button on the remote control.

• The picture improves after you have switched on the
Customer Service Mode

The new “Personal” preference value is automatically stored.

White line around picture elements and text

Decrease the SHARPNESS value when:

• The picture improves after you have pressed the “Smart
Picture” button on the remote control.

The new “Personal” preference value is automatically stored.

Snowy picture

• No or bad antenna signal. Connect a proper antenna
signal.

• Antenna not connected. Connect the antenna.

• No channel / pre-set is stored at this program number. Go
to the INSTALL menu and store a proper channel at this
program number.

• The tuner is faulty (in this case the CODES line will contain
error number 10). Check the tuner and replace / repair if
necessary.

Snowy picture and/or unstable picture

• A scrambled or decoded signal is received.

Black and white picture

Increase the COLOR value when:

• The picture improves after you have pressed the “Smart
Picture” button on the remote control.

The new “Personal” preference value is automatically stored.

Menu text not sharp enough

Decrease the CONTRAST value when:
The picture improves after you have pressed the “Smart
Picture” button on the remote control.
The new “Personal” preference value is automatically stored.

5.3.2 Sound Problems

No sound or sound too loud (after channel change / switching on)

Increase / decrease the VOLUME level.
Press the Smart Sound button repeatedly to access 4 different
types of sound settings and choose your desired setting.

5.4 Service Tools

5.4.1 ComPair

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.

2

C level) and

2

C commands

Service Modes, Error Codes, and Fault Finding

EN 11L03.1U AA 5.

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

2

C/UART bus of the television.

2

2

C/UART level.

C/UART commands to
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!

TO

UART SERVICE

CONNECTOR

PC VCR I2CPower

9V DC

E_06532_021.eps

TO
I2C SERVICE
CONNECTOR

180804

Figure 5-2 ComPair interface connection

How to Order

ComPair order codes (US):

• ComPair Software: ST4191.

• ComPair Interface Box: 4822 727 21631.

• AC Adapter: T405-ND.

• ComPair Quick Start Guide: ST4190.

• ComPair interface extension cable: 3139 131 03791.

• ComPair UART interface cable: 3122 785 90630.

Note: If you encounter any problems, contact your local
support desk.

5.5 The Blinking LED Procedure

Via this procedure, you can make the contents of the error
buffer visible via the front LED. This is especially useful when
there is no picture.

When the SDAM is entered, the LED will blink the contents of
the error-buffer.

• n short blinks (n = 1 - 14),

• When all the error-codes are displayed, the sequence
finishes with a LED blink of 3 s,

• The sequence starts again.

.
Example of error buffer: 12 9 6 0 0
After entering SDAM:

• 12 short blinks followed by a pause of 3 s,

• 9 short blinks followed by a pause of 3 s,

• 6 short blinks followed by a pause of 3 s,

• 1 long blink of 3 s to finish the sequence,

• the sequence starts again.

5.6 Protections

If a fault situation is detected an error code will be generated
and if necessary the set will be put in the protection mode.
Blinking of the red LED at a frequency of 3 Hz indicates the
protection mode. In some error cases, the microprocessor
does not put the set in the protection mode. The error codes of
the error buffer can be read via the service menu (SDAM), the
blinking LED procedure or via ComPair.

To get a quick diagnosis the chassis has one service modes
implemented:

• The Service Default Alignment Mode (SDAM). Start-up of
the set in a predefined way and adjustment of the set via a
menu and with the help of test patterns.

5.7 Repair Tips

Below some failure symptoms are given, followed by a repair
tip.

• Set is dead and makes hiccupping sound. “Main
Supply” is available. Hiccupping stops when de-soldering
L5563, meaning that problem is in the “Main Supply” line.
No output voltages at LOT, no horizontal deflection.
Reason: line transistor 7421 is defective.

• Set is dead, and makes no sound. Check power supply
IC 7520. Result: voltage at pins 2, 6, 7, 9 and 11 are about
180 V and pin 14 is 0 V. The reason why the voltage on
these pins is so high is because the output driver (pin 11)
has an open load. That is why MOSFET 7521 is not able to
switch. Reason: feedback resistor 3523 is defective.
Caution: be careful measuring on the gate of 7521;
circuitry is very high ohmic and can easily be damaged!

• Set is in hiccup mode and shuts down after 8 s. Blinking
LED (set in SDM mode) indicates error 5. As it is unlikely
that the “POR” and “+8V protection” happen at the same
time, measure the “+8V”. If this voltage is missing, check
transistor 7491 & 7496.

• Set is non-stop in hiccup mode. Set is in over current
mode; check the secondary sensing (opto coupler 7515)
and the “Main Supply” voltage. Signal “STDBY_CON” must
be logic low under normal operation conditions and goes to
high (3.3 V) under standby and fault conditions.

EN 12 L03.1U AA5.

• Set turns on, but without picture and sound. The screen
shows snow, but OSD and other menus are okay. Blinking
LED procedure indicates error 11, so problem is expected
in the tuner (pos. 1000). Check presence of supply
voltages. As “Vlotaux+5V” at pin 5 and 7 are okay,
“VT_supply” at pin 9 is missing. Conclusion: resistors 3449
& 3450 are defective.

Service Modes, Error Codes, and Fault Finding

Block Diagrams, Test Point Overviews, and Waveforms

6. Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram

A7

MONO

V

L

FRONT I/O

V

L

OUTPUT

MONITOR

R

V

L

YUV

INPUT

R

STEREO

V

L

R

1184 1121

1

1185 1124

6

4

7101

L-OUT

R-OUT

G-SC1_IN_Y_IN

B-SC1_IN_U_IN

R-SC1_IN_V_IN

REAR I/O

A8

1

6

4

CVBS_TER_OUT

A4

A5

A5

SVHS

(OPT.)

A4

V

1

L

2

R

3

SEL_AV1_AV2

A4

154

AV2

AV1

1

L1_IN

A5 A4

2

R1_IN

A5

3

7161,
7162

SWITCH

9

11

10

6

5

32

4

V

L2-IN

L

R2-IN

R

STATUS2

C-IN

A5

A5

SY_CVBS_IN

A4

A4

A4

AUDIO PROCESSING (STEREO + SAP)

A5

(FOR STEREO SETS ONLY)

7841
AN5829S

L1_IN

2

3

24

23

14

MATRIX

SWITCH

STEREO

SAP

DEMODULATOR

ERR

A8

R1_IN

R2_IN

A8

L2_IN

7821
AN5891K

I848 I830

21

22

I847

3842

19

+

4

3843

18

SDA

A4

L_OUT

R_OUT

R_OUT

L_OUT

SCL

3828

3827

3

SURR
TONE

22

A8

14

13

ERR

4

MONO

L_OUT

A8

EN 13L03.1U AA 6.

AUDIO AMPLIFIER

A6

7901 AN7522N (STEREO)

7902 AN7523N (MONO)

12

15

Main_OutL

Main_OutR

I836

A4

Vaux/Vaudio

62 L+

8

9

VOLUME

1

F905

F906

4L-

F907

10 R-

F908

12 R+

HEADPHONE

A7

L+

L-

R-

R+

L+

L-

R-

R+


 
 
 

0280

4

5

1

2

L

R

FRONT CONTROL

A7

6692
TSOP1836

F691

1

6691

+3V3

LOCAL

KEYBOARD

CHANNEL + / -

VOLUME + / ­DVD EJECT

POWER (NAFTA only)

IR

LED

A4

CONTROL

IR

LED

KEYBOARD

67

11

8

7200-B
TDA93XX

ROM
RAM

1/10

PAGES

MEMORY

TELE

TEXT/CC

OSD

CVBS

54 61 56

IIC

BUS

I/O

PORTS

VST

PWM-

DAC

+

SYNC

+3.3V

5602

56035601

CPU

WP

11 7

+3V3

3605

3

3604

2

5

6

7

1

63

64

4

60

57

1621

58

12MHz

SDA

SCL

9257

36013602

7641
M24C04

EEPROM

(NVM)

ERR

9

SDAM

F642

F643

+3.3V

8
6
5

ERR

6

Pvv_ADJ

ITV_CLOCK

ITV_POR

Std_Con

STATUS 2

SEL_AV1_AV2

VOLUME

36423643

SDA

SCL

POR
(ITV)

A3
A5

A1

N.C.

A4

N.C.

A4

A1

A8

A8

A6

N.C.

A4

TUNER IF

A3

SDA

A4

SCL

A4

COMPAIR

CONNECTOR

DVD POWER SUPPLY

A9

(optional)

DVD_SUPPLY

A1

VTsupply-A

A3

POWER SUPPLY

A1

VT_SUPPLY

+5V

7570

SI2306D

0211

3003

3004

1003

1

2

3

32

3571

Degaussing

MAINS

SWITCH

0231

7523

3528

5002

1000
UV1336

2

SDA

SCL

1

Coil

9282

6, 7 9

TV TUNER

5

5571

1500

T4E

(NOT FOR

NAFTA)

3506

I505

2

6520

6

ERR

10

AGC

4

7571
L4978

5

Vcc

CONTROL

0212

5500

7520
TEA1506

Vcc

CTRL

CONTROL

VT

IF

1

OUT

1

+12V-DVD

t

14

DRAIN

DRIVER

SENSE

DEMAG

IC

VT_SUPPLY_A

6001
BZX79-C33

F003

11

TUNER_AGC

4

3504

11

9

7

5572

6571

3527

3523

3525

3522

1001

+8V-DVD

I533

A2

6504

AC

IF, VIDEO

A4

36

7200-D
TDA93XX

CVBS_TER_OUT

7200-C
TDA93XX

40

43

42

VIDEO

INTERNAL

H/V SYNC

SEPERATOR

H-OSC

+PLL

AM_FM_MONO

+8VD

+8V

EHT

7201

3205

7202

3203

A9

PW-ADJ

A4

A2

A4

AUDIO CARRIER

FILTER

5201

1201

4.5MHz

C-IN

A8

SY-CVBS-IN

A8

A4

A2

SYNC.

EHT 0

7200-A
TDA93XX

VIF_1

VIF_2

5574

5573

5575

DC

7521

G

3526

6522

2528

23

VIDEO

IF

24

AGC

27

SOUND

FM-DEMOD.

DE-EMPH.

(MONO)

L1_IN

A8

1572

F567

1

TO MPEG

3

CARD
(optional)

5

F566

1571

F568

1

TO DVD
ENGINE

4

(optional)

1515

43

2

1

F510

5520

1

2503

2

D

3

S

I514

5

6

4

1

2

3

HOT GROUND COLD GROUND

7580

ENERGIZING

8

13

12

10

9

7515
TCET1103

VIDEO

PLL

DEMOD.

AUDIO

SWITCH

CIRCUIT
(optional)

5570

5562

5560

VIDEO

SOUND

AMPL.

+ AVL

CIRCUIT

+3V3B

CIRCUIT

I553

F540

3549

38

44

DVD-SUPPLY

(OPTIONAL)

5563

MAIN SUPPLY

F542

Vaux/Vaudio

3543

3549

3544

7451

Std_Con

AMPLIFIER

35

-12V

6570

6563

6562

6561

6560

7540, 6540

REFERENCE

7541

STANDBY

I/O

SWITCHING

VIDEO

FILTERS

VIDEO

IDENT

A8

H

V

A8

Y-DELAY

PAL/NTSC
DECODER

H-DRIVE

2nd LOOP

H-SHIFT

V-DRVE

GEOMETRY

GEOMETRY

R-Y

B-Y

R_SC1_IN_V_IN
G_SC1_IN_Y_IN
B_SC1_IN_U_IN
FBL_SC1_IN

34

+

EW

+

OSD

RGB

MATRIX

RGB

INSERT

Y

BLACK

STRETCH

U

BASE
BAND

DELAY

V

WHITE

STRETCH

4746 48

A2

H-DRIVE

33

I462

Vaux/Vaudio

FILAMENT

I461

V-DRIVE -

22

V-DRIVE +

21

I462

20

N.C.

R

G

OSD/TEXT/CC

B

45

DEFLECTION

Hflybk

-12V

7422

A2

7461

RGB

CONTROL

INSERT

BLUE

STRETCH

WHITE-P.

ADJ

50

3424

7423

3425

6423

3463

5461

MAINSUPPLY

7462

3465

51

52

53

49

LINE

A1

FRAME

7463

I468

3619

3620

3621

FRAME_OUT

F407

BUT11APX

F425

7466

-12V

F603

F604

F605

BEAM-LIMIT

7421

3403

7464

7465

RED

GREEN

BLUE

A2

A2

+160 V

F422

6408

6407

3470

3464

3474

A2

FILAMENT

A2

6422

5401 3402

F461

2423

0222
1

2

2406

0221
1

2

1622

1

2

3

4

5

6

7

8

1

7

2

HOR.
DEFL.
COIL

B1

1300

5445

VERT.
DEFL.
COIL

CRT

1

2

3

4

5

6

7

8

F301

F302

F303

+160 V

EHT

10

9

8

5

4

+160V

7313
7314

R

7315
7316

G

7317
7318

B

FOCUS VG2

3447

3451

2455

3448

3445

3443

3444

3446

6463

3313

6451

6452

6447

3459

6446

6444

6466

3475

3418

6318

F449

F448

F446

3301

3305

3309

F308

R

F309

G

B

F310

EHT

EHT 0

BEAM­LIMIT

+160V

VT_SUPPLY

-12V

FILAMENT

FRAME OUT

0165

7

9

3

45 68

EHT

FOCUS

VG2

A1

A4

A4

A3

A4
A2

A4

AQUADAG

R

G

B

VG2

CL 36532083_005.eps

CRT
(9P)

25kV

EHT

101203

Block Diagrams, Test Point Overviews, and Waveforms

I2C and Supply Voltage Overview

POWER SUPPLY

A1

Degaussing

0211

7523

3528

Coil

MAINS

SWITCH

0231

(NOT FOR

NAFTA)

3506

I505

6520

0212

1500

T4E

7520
TEA1507

2

Vcc

6

CTRL

CONTROL

DRAIN

IC

t

5500

DRIVER

SENSE

DEMAG

VCC

3504

6504

AC

3527

3523

3525

3522

7521

G

I533

6520

2528

14

11

9

7

3526

DC

D

S

F510

2503

I514

HOT GROUND

5520

1

2

3

5

6

4

3

43

1

2

COLD GROUND

1515

8

13

12

10

9

1

7515
TCET1103

2

7580

ENERGIZING

CIRCUIT
(optional)

5570

5562

5560

6570

6563

6562

6561

6560

7540, 6540

REFERENCE

CIRCUIT

7541

STANDBY

CIRCUIT

I553

F540

F542

3549

3543

3544

DVD-SUPPLY

5563

3549

-12V

(OPTIONAL)

MAIN SUPPLY

Vaux/Vaudio

PW_ADJ

7451

EHT

+3V3B

Std_Con

EN 14L03.1U AA 6.

CRT

B1

EHT

3494

3495

FOCUS

VG2

160 V

FILAMENT

Vaux/Vaudio

4491

5482

1622

+3V3

+3V3A

+8V

+8VD

+5V

TUNER IF

A3

+ 5 V

VT supply

VT Supply-A

+ 5 V

+ 8V

Vaux/Vaudio

+ 5V

FILAMENT

+ 3V3A

+ 3V3B

9282

5841

5821

4698

4163

7

8

2x

AUDIO PROCESSING

A5

1x

2x

1x

1x

1x

1x

AUDIO AMPLIFIER

A6

AUDIO FRONT I/O

A7

REAR I/O CINCH

A8

+ 8 V

3693

+ 5 V

VT supply

VT supply-A

7 - 7841

23 - 7821

1 - 7901
or
1 - 7902

+ 5V

FILAMENT

+3V3B

3 - 6692

+8V

+8VA

DVD POWER SUPPLY

A9

(optional)

DVD_SUPPLY

32

7570

SI2306D

1x
2x

-12V

H DRIVE

A4

Vaux/Vaudio

FILAMENT

V DRIVE-

A4

V DRIVE-

VTsupply-A

A2

DEFLECTION

7422

7461

3571

3424

5461

7423

3425

6463

3463

7462

A4

A2

3465

A4

5571

1

LINE

FRAME

BUT11APX

F425

7463

5

7466

7571
L4978

Vcc

-12V

CONTROL

1

+12V-DVD

7421

3403

OUT

7464

7465

4

F422

6408

6407

3470

3464

3474

5572

+8V-DVD

6571

6422

5401 3402

F461

+8V-DVD

2423

0222
1

2

2406

0221
1

2

5574

5573

5575

1

7

2

HOR.
DEFL.
COIL

5441

VERT.
DEFL.
COIL

F567

F566

F568

1572

1

3

5

1571

1

4

EHT

10

9

8

5

4

TO MPEG
CARD
(optional)

TO DVD
ENGINE
(optional)

FOCUS VG2

3447

3451

2455

3448

3445

3443

3444

3446

6463

6451

6452

6447

3459

6446

6444

6466

F449

F448

F446

EHT

EHT 0

BEAM­LIMIT

+160V

VT_SUPPLY

-12V

FILAMENT

EHT

FOCUS

VG2

A1

A4

A4

-12V,

FILAMENT,

Vaux/Vaudio

2x
2x

1x

2x

B1A4

Vaux/Vaudio

FILA­MENT

VTSupply-A

VT supply-A,
VT supply,
FILAMENT

VIDEO PROCESSING

160VD

FILAMENT

7493

3

1

7494

3496

3497

6492

4379

3493

3491

7491

1300

In

7

8

6491

A1

A2

7496

3492

ERROR CODE LIST

      
      
      !"  
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)   *  &'+( &'+#( &'+)( &'+'(

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1  0 !2
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

 !"

&'+,( &'++
&-#  3"( &-'
 5 "

&'.+

&)( &)( &)#( &))(
&)'( &),( &)+( &)&(
&)-( 1



!'( !

I2C BUS INTERCONNECTION DIAGRAM

CONTROL

A7

!#

!,

7200-B

SET

PROCESSOR

PART OF

VIDEO-

PROCESSOR

TDA9370

3

2

11

SDA

SCL

3605

3604

+3.3V

+3.3V

ERR

7

3643

7641

M24C04

EEPROM

(NVM)

ERR

9

3642

6

65

3602

3601

+3.3V

3644

WP

SDA

SCL

A3

TUNER IF

3003

1000

TUNER
UV1336

ERR

10

3004

45

A5

SDA

SCL

AUDIO PROCESSING
(only for stereo sets)

3828

3827

1314

7821

AN5891K

AUDIO
PROC.

ERR

4

3842

3843

4119

7841

AN5829S

AUDIO

DECODER

ERR

4

<

1003

1

2

FOR

ONLY

3

CL 36532083_006.eps

101203

COMPAIR

Block Diagrams, Test Point Overviews, and Waveforms

Testpoint Overview Mono Carrier and CRT Panel

MONO CARRIER TRACK SIDE VIEW

F494

7496

F491

E

C

B

0246

F903

1

5

39033905

F901

6570

6692

1

IRRCR

F691

COLD

HOT

F907

F908

F909

F906

Mains
Switch

LIVE PART

7493

F493

7901
7902

12

1

F492

A2 A1

In

F642

3643

6491

K

58

Out

C
B

7494

F

Audio
Output

6560

I553

8

Power Trafo 5520

76 5 3

I533I505

7

12

7520

814

Supply
Control

F643

3642

7641
NVM

14

1

F494

1622

I836

15

13

7821

12

I830

Audio
Processor

I542

910 1213

2

I514

D

G

S

HOT

I540

6562

F510

1

Supply

Output

7200

Video Processor

I211

18

F603

F604

F605

24

1

12

13

Line
Output

C

7421

BE

F425

COLD

Audio
Demodulator

7841

21 22

2405

+

F407

EN 15L03.1U AA 6.

Compair conn.

11

F003

I461

F446

4

5441
LOT

1000

EBCEB

6444

5

6

C

I465

7

8

9

32

3364 44

3488

F481

1

24

I847

I848

F422

3

2

110

1003

13

1

Tuner

0222

F461

21

Frame Output

C

F448

F449

7464

C

C

7465

6446

6447

I462

74617462

7463

E

B

CRT TRACK SIDE VIEW

F309 G

9

10

8

7

F308 R

6

5

1300

8

231

F301

F302

F303

F605

1V / div DC

20µs / div.

B

E

B

E

F691

1V / div AC

2ms / div.

F905

0,5V / div AC

1ms / div.

F908

0.5V / div AC
1ms / div.

I462

F642

0.5V / div DC
20µs / div.

F901

0.5V / div AC
1ms / div.

F906

0,5V / div AC

1ms / div.

I211

1V / div DC

1ms / div.

I465

F643

0,5V / div DC

20µs / div.

F903

0.5V / div AC
1ms / div.

F907

0.5V / div AC

1ms / div.

I461

0.5V / div DC

5ms / div.

I505 =17V8 DC

11

12

3

F310 B

4

1302

CRT

Socket

F003

200mV / div AC

20µs / div.

F449

50V / div DC

20µs / div.

F301

1V / div DC

20µs / div.

F461

20V / div DC

5ms / div.

F302

1V / div DC

20µs / div.

F481

0,5V / div DC

20µs / div.

F303

1V / div DC

20µs / div.

F491

2V / div DC

20µs / div.

F308

50V / div DC

20µs / div.

F492

2V / div DC

20µms / div.

F309

50V / div DC

20µs / div.

F493

2V / div DC

20µs / div.

F310

50V / div DC

20µs / div.

F494

2V / div DC

20µs / div.

F407

100V / div DC

20µs/div.

F510

50V / div DC

5µs / div.

F425

5V / div AC

20µs / div.

F422 97V DC
F540 97V DC
F542 13V5 DC

F446

2V / div DC

20µs / div.

F603

1V / div DC

20µs / div.

F448

10V / div DC

20µs / div.

F604

1V / div DC

20µs / div.

0.5V / div DC
5ms / div.

I514

100V / div DC

5µs / div.

I836

1V / div DC

1ms / div.

1V / div AC

5ms / div.

I533

2V / div DC

5µs / div.

I847

0.5V / div DC
1ms / div.

I830

1V / div DC

1ms / div.

I848

0.5V / div DC
1ms / div.

CL 36532044_031.eps

200603

Circuit Diagrams and PWB Layouts

EN 16L03.1U AA 7.

7. Circuit Diagrams and PWB Layouts

Mono Carrier: Power Supply

12345678910

6580

2515

4560
RES

3541

470R
3545

2K2

Region

Size

1515
2503
2505
2520
2523
2562
2580
2584
3503
3504
3508
3523

1N4148

3526
3527
3547
3580
3581
5500
5502
5520
6580
7521
7580
9500
9501
9503
9516
9520
9521

6570

STPS10L60D

2571

10n

5560

3V3

F510

50V / div DC

5µs / div

14RF

RELAY RELAY RELAY

220u/200V 220u/200V

-

10n 10n 10n

1n5/2KV 1n5/2KV

1n/2KV

47U

-

PTC 120V 10R PTC 144V 3R PTC 144V 3R

-

1M5 1M5 1M5

NFR25/100R NFR25/100R

330K 330K 22K

47K 47K 47K

1N4148 1N4148 1N4148

STP5NK50ZFP STP5NK50ZFP

BC847B

JUMP
JUMP

-- -

JUMP

JUMP

I553

1570

T2.5AE 250V

2570

3m3

DVD_Gnd

F542

6560

SB340

2560

2n2

7541

PDTC114ET

3V3

3V3

2561

3549

3542

6540

BZX79-B6V8

7V7

2541

I514

100V / div DC

5µs / div

6V2

7540
BC547B

A1 A1

A

B

150 - 276 V SINGLE RANGE

90 - 276 V FULL RANGE

C

D

E

F

"$"

G

..V.. Normal Operation in " SERVICE MODE "
(..V..) Standy Mode

POWER SUPPLY

DEGAUSSING COIL

0212

1

2

9500

*

6

5

0211

2

1

MAINS

L_GND

I505

2V9

7523
BC857B

4V6

2527

0V

56p

10K

3528

FOR MAINS 120V AC 170V (177V)

220V AC 309V (317V)

HOT GROUND

COLD GROUND

2

1

MAINS SWITCH

9501

*

3M3

3500

3501

3M3

2521

6520

2526

BYD33D

RES

3521

*

4

3

17V8

(13V8)

0231
ESB92

22u

1n0

1V3

3520

2505

*

3

6

1K2

2n2

PFC5000

6505

BZX384-C22

3507

7520
TEA1507

Vcc

Gnd

Ctrl

DETECTOR

10n

2520

1500

T4E.250V

33K

FREQUENCY

CONTROL

INPUT

CONTROL

CIRCUIT

BURST

3

+t

1501

PFC5000

3509

2500

470n

220R

3510

DSP

1

2

1

2

RES

6

1

5500

*

DMF-2820

5501

*

RES

5502

*

C914

3506

Rs

Rp

*

4

3

4

3

4

31

*

3504

2

3508

1M5

+t

3503

10R - PTC

*

9502

3502

330K

VALLEY

--

START-UP

CURRENT SOURCE

START-UP

CURRENT SOURCE

CURRENT
SENSING

OUTPUT
DRIVER

OVER

POWER

PROTECTION

LATAM

-

1W/0R18 1W/0R15

-

JUMP
JUMP JUMP

SUPPLY

MANAGEMENT

VOLTAGE
CONTRLLED
OSCILLATOR

OVER

TEMPERATURE

PROTECTIOM

POWER-ON

RESET

LOGIC

CONTROL
CIRCUIT

MAXIMUM

ON-TIME

PROTECTION

Region

Size

0231
2503
3523
3526
3547
5520
6561
7521
9500
9501

14" 14"MEXICO15RF/20"/21"

SWITCH SWITCH

100u/400V

NFR25 68R NFR25 47R NFR25 68R NFR25 47R

1W/0R18 1W/0R15

330K 330K 330K 330K 22K

-

STP5NK80ZFP

150u/400V 100u/400V

BYW76-RAS15/10

--

2501

2502

RES

t

*

2

V

1

3505

142

302V

Drain

8

10

Demag

7
0V

Sense

9
0V

Driver

11

2V6

15RF/20"/21"Mexico

BYW76-RAS15/10

STP7NK80ZFPSTP5NK90ZFPSTP7NK80ZFP

6500

1N5062 (COL)

2n2

GBU8K

6502

2n2

1N5062 (COL)

0213

For ITV

ONLY

9515

5515

3524

47K

2524

100n

-

150u/400V

S359B4-09SS28010-06S359B4-09SS28010-06

JUMP

RES

6504

2525

6501

1N5062 (COL)

6503

1N5062 (COL)

3527

2K2

3522

330K
3525

1K0

3523

*

470p

21RF

-

-

-

-

-

-

-

-

-

3581

1K0

2504

2V6

3519

3K3

G

*

I533

5XXX

56u

400V150u

9520

7521

2585

1n

RES

*

2503

I514

0V

6522

BYD33D

2543

1n0

2507

2584

220p

5521

2522

302V

D

S

2523

3526

*

7522
PDTC143ZT

2528

RES

1515

*

G5P

9503

*

23

F510

"$"

RES

5520

*

1

303V

3

5

470p

6

78

1508

1n8

6521

1N4148

7515

TCET1103(G)

22V6

4

32

4V9

50V22u

HOT COLD

For Relay Cct.

4

7580

1

BC847B

1520

2515

1n5

132

12

11

10

9

AudioSGnd_A

1509

1516

DVD_Gnd

9V3

1

8V3

*

5506

2542

*

2580

*

RES

9506
RES

RES

T1.8AE 250V

470n

-12V

3580

5570

1560

9560

JUMP

47K

47u

FAMILY BOARD 11 NC : 3139_123_5595

3139 123 5596.5

FUNCTION 11NC : 8239_125_0753

CELL 11NC : 8239_125_0747

MAIN CHASSIS 11 NC : 3139_123_5596

123456789

16V

NAFTA

20V

-

47U 47U

-

--

56R56R

--

BC847B

JUMP
JUMP

JUMPJUMP
JUMP

5562

2562

2n2

16V2m2

220R

1K5

6541

BZX79-C9V1

6V8

15K

3548

2540

15n

10n

I533

2V / div DC

5µs / div

6563

BYW29EX

6562

BYW76

6561

*

6K8

3544

3454

10K

NFR25/100R

FIL MAINS 22MH 0A9FIL MAINS 5MH 1AFIL MAINS 5MH 1A

02619 PSS35-205B02479 SS28032-01A02479 SS28032-01A

STP7NK80ZFP

2564

3543

7451

*

3547

BC857B

F540 97V DC
F542 13V5 DC

I505 17V8 DC

20RF

220u/200V

-

1n5/2KV

1n/2KV1n/2KV

-

0R150R150R15

NFR25/2K2NFR25/100RNFR25/100R

JUMP

-

BC847B

JUMP
JUMP

JUMPJUMP

-

JUMP

F540

47u

82K

3582

330K

FOR ITV ONLY

3453

100K

2505 NO
3503
3504
5500
5502
9503

Relay Cct.

5563

27u

10K

3550

3546

6K8

2452

82n

3452

820K

2453

4n7

3456

10

DVD_Supply

47K

LATAMITEM

YES

NO

YES

DMF2820

NO

YES

NO

MainSupply

Vaudio

9509

5509

ITV_Vbatt

+3V3B

Std_Con

G_13933_001.eps

PW_ADJ

EHT

NAFTA

YES

NO

C914

YES

NO

YES

A4

A2

A4

010506

A

B

C

D

E

F

G

0211 B1
0212 B1
0213 C4
0231 B2
1500 B2
1501 B2
1508 E6
1509 D6
1515 A6
1516 E6
1520 B7
1560 C7
1570 C8
2452 F10
2453 F10
2500 C2
2501 B4
2502 B4
2503 B6
2504 B5
2505 B2
2507 B6
2515 B6
2515 D7
2520 F2
2521 D1
2522 D6
2523 E6
2524 E5
2525 E5
2526 E1
2527 F1
2528 F6
2540 F8
2541 G8
2542 F7
2543 F6
2560 D8
2561 D8
2562 D9
2564 D9
2570 C8
2571 C7
2580 B7
2584 C6
2585 E6
3452 F10
3453 F9
3454 F9
3456 F10
3500 C1
3501 D1
3502 B4
3503 A4
3504 A3
3505 C4
3506 D3
3507 D2
3508 B4
3509 C2
3510 D3
3519 F5
3520 F2
3521 F1
3522 E5
3523 E5
3524 E5
3525 E5
3526 E6
3527 D5
3528 F1
3541 F7
3542 E8
3543 E9
3544 F9
3545 F7
3546 E10
3547 F9
3548 F9
3549 E8
3550 E10
3580 A7
3581 F5
3582 D10
4560 D7
5500 B3
5501 C3
5502 C3
5506 B7
5509 D10
5515 D5
5520 C6
5521 D6
5560 D7

5562 C8
5563 C10
5570 C7
5XXX G5
6500 B5
6501 B5
6502 B5
6503 B5
6504 B5
6505 D2
6520 E1
6521 E6
6522 F6
6540 F8
6541 E8
6560 D8
6561 C9
6562 C9
6563 C9
6570 C7
6580 A7
7451 F9
7515 F6
7520 D2
7521 D6
7522 F6
7523 E1
7540 F8
7541 F8
7580 A7
9500 B1
9501 C1
9502 B4
9503 A6
9506 B7
9509 D10
9515 D5
9520 C6
9560 D7

Circuit Diagrams and PWB Layouts

EN 17L03.1U AA 7.

Mono Carrier: Deflection

1234567891011

A2 A2

A

B

C

D

E

F

G

H

3139 123 5596.5

DEFLECTION

Line Deflection

Hflybk

A4

-12V

3424

22R

RES

2471

Vaudio

2427

100n

6423

1N4004

3425

82R

HDRIVE

A4

Filament

A2

MainSupply

Frame Deflection

FILAMENT

A2

VDrive-

A4

-12V

VDrive+

A4

220n

2429

1n

2426

6426

47u

2428

2K2

2461

3462

0V8

1n

7461
BC857B

1M

I461

3461

I462

FAMILY BOARD 11 NC : 3139_123_5595
MAIN CHASSIS 11 NC : 3139_123_5596

3V3

3430

1K0

2420

100n

BAS316

F422

5V4

12V8

0V

3432

3463

3465

7422
BC817-25

0V

7423

1K

BC807-25

2K2

1V5

1K

3464

2K2

2421

100n

5V7

BC857B

12V2

3V3

7462

3428

3466

1K

F425

68R

2462

0V9

3422

330K

5421

3

1

PSD10-204B

1n

6460

12V2

0V3

7421

BUT11APX

3426

47R

2405

2463

BAS316

I465

2464

470p

15RF
CPTLPD

2R2
3R9

VTSupply

MainSGnd

-12V

160VD

50V / div DC

20µs / div

LATAM

20"
LPD

3R3
3R9

EHTO

EHT

Beam_Limit

FILAMENT

Frame_OUT

2441

Region

Tube

3473
3474

33n

3455

2K2

F448

10V / div DC

20µs / div

14"

LINE DEFLECTION

4R7
4R7

F446

F448

F449

F449

Region

Size

2473

6466

EGP20DL

6444

EGP20DL

6446

RGP10D

6447

RGP10D

2457

470p

470p

Tube

2406
2408
2423
2424
2441
2452

2457
3402

3441
3442
3447
3451
3455
3456
3460
3646
5401

5441

6445

I461

LOT

5441

94V4

6422

6421

BYD33M

2423

BYW76

1

10n

820p

2424

JF0501-21123

TO PICTURE TUBE

EHT

FOCUS1

TO CRT PANEL

SCREEN

220R

220R

2K2

2470

3478

2465

15n

1R0

2

9

8

7

5

4

3

6462

RGP10D

160V

10u

1R

3445

9445

RGP10D

-12V

Frame_FB

6463

RES

2460

56n

6461

RGP10D

3475

10K

3476

8K2

F461

RES

9446

3446

RES

10

6

NC

3443

1R

3444

1R

RES

9448

3448

1R

1R

F407 F422 97VDC

1462

0222

1

2

VH

100V / div DC

20µs/div

VERTICAL

DEFLECTION
COIL

9407

2407

100p
6407

6408

3469

0221

0V9

68R

VH

7464

BD135

0V9

0V

RES

9402

F407

1

4

2406

5402

12V2

0V4

3470

470n

DC12

20V6

0V5

7465
BD136

5401

2R2

2408

12n

3402

33u

3471

3472

HORIZONTAL
DEFLECTION
COIL

6

5

3403

6464

0V6

BAS316

7466
BC847B

BAV21

BAV21

47u

50V

100u

1K

4405

3468

330R

7463

BC546B

12V8

F461

2472

3R3

22n

3477

3473

3R3

3474

3R3

20V / div DC

5ms / div

14" Size

LPD

LINE DEFLECTION

-

560n/250V

1n/2KV -

22n

-

-2453

-

-

47K
150K
220K
680R
470R

-

100K

1M

68u/LHL08

-5402

JF0501-19255

120K

3441

BAS316

120K

6453

3459

150K

3442

10u

2447

1463

9505

5505

0.5V / div DC
5ms / div

15RF
CPT

-

13n/1K6V13n/1K6V

15n
10n

-

-

NFR25H 2K2

10K
150K
100K

8K2

2K2

-

47K

-

-

00425/82u

JF0501-19255

3449

33K

3440

BZX79-C33

470u

2444

F425

5V / div AC

20µs / div

I462

0.5V / div DC
5ms / div

LATAM

15n/1K6V

1n5/2KV

JF0501-19255

3447

100K

7440

BF423

33K

3439

2446

100K

20"
LPD

-360n/250V

22n
2n2

10K 56K

150K

1K8 8K2
2K2
47K
47K
1M -

3R3

BAS316

470u

21"FSQ
LPD

-

560n/250V680n/250V

15n/1K6V

1n/2Kv

33n15n

100n

-

- NFR25H 2K2

-

3450

33K

RES

6452

-

470p/500V

100K

220K

2K2

-

47K

-33u/LHL08

00511/33u

JF0501-19276

8K2

3451

6451

BAS316

16V10u

2455

3460

100K

F446

2V / div DC

20µs / div

I465

1V / div AC

5ms / div

21"FSQ
LPD

3R3

3R3

A4

A1

A4

A4

A4

G_13933_002.eps

010506

A

B

C

D

E

F

G

H

0221 C4
0222 G6
1462 G7
1463 E8
2405 E4
2406 D5
2407 D4
2408 D5
2420 B2
2421 B3
2423 B4
2424 B5
2426 C2
2427 C2
2428 D2
2429 B2
2441 C9
2444 E8
2446 E9
2447 E8
2455 D9
2457 E7
2460 F6
2461 F2
2462 F3
2463 F4
2464 G4
2465 F5
2470 G5
2471 B1
2472 H5
2473 D7
3402 E5
3403 D4
3422 B3
3424 B2
3425 D2
3426 B4
3428 C3
3430 C2
3432 C3
3439 D9
3440 D8
3441 D8
3442 D8
3443 D7
3444 D7
3445 E6
3446 E6
3447 C9
3448 E7
3449 C8
3450 C9
3451 D9
3455 D10
3459 D8
3460 D9
3461 G2
3462 G2
3463 F3
3464 H3
3465 G3
3466 G3
3468 F4
3469 F4
3470 G5
3471 G5
3472 G5
3473 H5
3474 H5
3475 F6
3476 G6
3477 H5
3478 G5
4405 E4
5401 E5
5402 E5
5421 C3
5441 A6
5505 G8
6407 D4
6408 E4
6421 B4
6422 B4
6423 C2
6426 C2
6444 D7
6445 D8
6446 E7
6447 E7
6451 D9
6452 D9
6453 D8
6460 F3
6461 F6
6462 F6

6463 E6
6464 F4
6466 D7
7421 B3
7422 C3
7423 C3
7440 C9
7461 G2
7462 G3
7463 G4
7464 F4
7465 G5
7466 G4
9402 E4
9407 D4
9445 E6
9446 E6
9448 E7
9505 G8

1234

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