Philips l05laa schematic

Colour Television Chassis

L05L

AA

FAMI LY,
OR
MULTI BOARD

F_15050_000.eps

210205

Contents Page Contents Page

1. Technical Specifications, Connections, and Chassis
Overview 2

2. Safety Instructions, Warnings, and Notes 4

3. Directions for Use 6

4. Mechanical Instructions 7

5. Service Modes, Error Codes, and Fault Finding 10

6. Block Diagrams, Testpoint Overviews, and

Waveforms

Wiring Diagram 21
Block Diagram Supply and Deflection 22
Testpoint Overview Mono Carrier 23
Block Diagram Video 24
Testpoint Overview CRT Panel (Family Board) 25
Testpoint Overview HDMI Panel 26
Block Diagram Audio 24
Block Diagram Control & I2C Overview 28
Supply Lines Overview 29

7. Circuit Diagrams and PWB Layouts Diagram PWB
Mono Carrier: Power Supply (A1) 30 41-46
Mono Carrier: Deflection (A2) 31 41-46
Mono Carrier: Tuner IF (A3) 33 41-46
Mono Carrier: Hercules (A4) 34 41-46
Mono Carrier: Features & Connectivities (A5) 35 41-46
Mono Carrier: Front Control (A7) 36 41-46
Mono Carrier: Rear I/O Cinch (A8) 38 41-46
Mono Carrier: Front Control (A9) 39 41-46
Mono Carrier: AUX Power Supply (A10) 40 41-46
CRT Panel (Family Board) (B1) 47 49-50
CRT Panel: Eco Scavem (Family Board) (B2) 48 49-50
CRT Panel (Multi Board) (B1) 51 54
CRT Panel: RGB Amplifier (Multi Board) (B2) 52 54
CRT Panel: Rot. & SCAVEM (Multi Board) (B3) 53 54
Side AV + HP Panel (PV0-2) (D) 55 56
Side AV + HP Panel (FL13) (D) 57 58

©

Copyright 2005 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.

Top Control Panel (PV0) (E) 59 60
Top Control Panel (PV2) (E) 61 61
Front Interface Panel (FL13) (J) 62 63
Front Interface Panel (PV0-2) (J) 62 64
HDMI Link Receiver (M1) 65 67
HDMI + DMP (M2) 66 67
Trident Panel: SVP (T1) 68 73
Trident Panel: Source Select & uP (T2) 69 73
Trident Panel: ADC (T3) 70 73
Trident Panel: SDRAM (T4) 71 73
Trident Panel: Deflection Controller (T5) 72 73

8. Alignments 75

9. Circuit Descriptions, List of Abbreviations, and IC
Data Sheets 82
Abbreviation List 84
IC Data Sheets 85

10. Spare Parts List 86

11. Revision List 86

Published by BB 0570 TV Service Printed in the Netherlands Subject to modification EN 3122 785 15210

EN 2 L05L 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

Notes:

• Described specifications are valid for the whole product
range.

• Figures below can deviate slightly from the actual situation,
due to different set executions.

1.1 Technical Specifications

1.1.1 Reception

Display type : CRT-DV-SF
Screen size : 29”; 4:3

: 34”; 4:3
: 28”; 16:9

: 32”; 16:9
Tuning system : PLL
Color systems : NTSC M (3.58 - 4.5)

: PAL M

: PAL N
Sound systems : BTSC
Channel selections : 181, full cable
IF picture carrier : 45.75 MHz
Aerial input : 75 ohm, F-type
A/V Connections : PAL B/G

1.1.2 Miscellaneous

Audio output: : 2 x 10 W

Power supply:

- Mains voltage range : 100 - 250 V

- Mains frequency : 50 / 60 Hz

Ambient conditions:

- Temperature range : +5 to +45 °C

- Maximum humidity : 90% R.H.

Power consumption:

- Normal operation : from 119 W

: to 133 W

- Standby : < 1 W

AC

1.2 Connections

Note: The following connector color abbreviations are used

(according to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green,
Gy= Grey, Rd= Red, Wh= White, Ye= Yellow.

1.2.1 Top Control and Front / Side Connections

FRONT I/O

RED

IRLIGHT SENSOR

(OPTIONAL)

- VOL +

S-VIDEO

Figure 1-1 Top control and Front / Side connections

Hosiden: S-Video In

1 -GND Ground H
2 -GND Ground H
3-Y 1 V
4-C 0.3 V

Audio / Video In

Ye - Video (CVBS) 1 V
Wh - Audio - L 0.2 V
Rd - Audio - R 0.2 V
Bk - Headphone 8 - 600 Ohm / 4 mW ot

LED

TOP CONTROL

MENU CH

SIDE I/O

R AUDIO L

VIDEO

/ 75 ohm j

PP

PP

/ 75 ohm jq

PP

RMS

RMS

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/ 75 ohm j

/ 10 kohm jq
/ 10 kohm jq

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1.2.2 Rear Connections

75 Ohm

ComPair

VIDEO

L/Mono

AUDI O

MONITOR

OUT

R

Figure 1-2 Rear connections

1

18 2

19

HDMI

AV1

IN

Y

Pb

Pr

COMPONENT VIDEO INPUT

V

L

R

AV2

IN

V

L

R

S-VIDEO

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Technical Specifications, Connections, and Chassis Overview

EN 3L05L AA 1.

Aerial In

- F-type Coax, 75 ohm D

Monitor Out

Ye - Video (CVBS) 1 V
Wh - Audio - L 0.5 V
Rd - Audio - R 0.5 V

YUV In

Bu - U 0.7 V
Rd - V 0.7 V
Gn - Y 0.7 V

1.3 Chassis Overview

B1

CRT

ECO

B2

SCAVEM

ROT &

B3

SCAVEM (Only when Multi Board is used)

SIDE AV PANEL +

D

HEADPHONE

HDMI

M

PA NE L

TRIDENT

T

PA NE L

CRT PANEL

/ 75 ohm kq

PP

/ 1 kohm kq

RMS

/ 1 kohm kq

RMS

/ 75 ohm jq

PP

/ 75 ohm jq

PP

/ 75 ohm jq

PP

FAM ILY,
OR
MULTI BOARD

AV1 In

Ye - Video (CVBS) 1 V
Wh - Audio - L 0.5 V
Rd - Audio - R 0.5 V

/ 75 ohm jq

PP

/ 10 kohm jq

RMS

/ 10 kohm jq

RMS

AV2 In

Ye - Video (CVBS) 1 V
Wh - Audio - L 0.5 V
Rd - Audio - R 0.5 V

/ 75 ohm jq

PP

/ 10 kohm jq

RMS

/ 10 kohm jq

RMS

AV2 In (S-Video)

1 -Ground GND H

MONO

CARRIER

TOP CONTROL PANEL

FRONT INTERFACE PANEL

POWER SUPPLY

LINE DEFLECTION

TUNER IF

UOCIII (a.k.a. ’HERCULES’)

FEATURES & CONNECTIVITIES

CLASS D AUDIO AMPLIFIER

AUDIO AMPLIFIER

REAR I/O CINCH

FRONT CONTROL

DVD POWER SUPPLY

F_15210_036.eps

E

J

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

241005

Figure 1-3 PWB location

EN 4 L05L 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 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.

). Discharge

DC

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Safety Instructions, Warnings, and Notes

EN 5L05L AA 2.

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.

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 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 “Workshop Information”. Here you will find
Information on how to deal with BGA-ICs.

2.4.4 Lead-free Solder

Philips CE is producing lead-free sets (PBF) from 1.1.2005
onwards.

-9

), or pico-farads (p= x10

-12

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

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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

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
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!

• 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.

EN 6 L05L AA3.

Directions for Use

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 "Workshop information".

3. Directions for Use

You can download this information from the following websites:

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

For additional questions please contact your local repair help
desk.

2.4.5 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.

4. Mechanical Instructions

Index of this chapter:

4.1 Set Disassembly

4.2 Service Position

4.3 Assy/Panel Removal

4.4 Set Re-assembly

Note: Figures below can deviate slightly from the actual
situation, due to different set executions.

Mechanical Instructions

EN 7L05L AA 4.

4.1 Set Disassembly

Warning: Be sure to disconnect the AC power from the set

before opening it.

4.1.1 Rear Cover

1. Remove all screws. If you do not remove them, you cannot
access the clips.

2. Tilt the set a little forward, so that you can release the two
clickfit clamps that are located at the bottom plate of the
set.

3. Four openings (1) can be found at the top. The openings
are very small (2).
Note: Some sets only have the two inner openings.

4. Underneath every opening there is a clip. Push this clip
down with a very thin piece of metal (3), until you hear a
click.
Caution: do not use a screwdriver, this will damage the
cabinet.

5. When all four clips are pushed down, the back cover can
be removed.

Figure 4-2 Opening

2

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3

050404

1

Figure 4-1 Rear cover (for FL13 styling)

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Figure 4-3 Pushing clips down

4.2 Service Position

Before placing the Mono Carrier in its service position, remove
the Front Interface assy/panel (see paragraph “Front Interface
Assy/Panel”) and the Side AV assy/panel (see paragraph “Side
AV Assy/Panel”).

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EN 8 L05L AA4.

Mechanical Instructions

4.3 Assy/Panel Removal

4.3.1 Front Interface Assy/Panel

1

1

1

2

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2

1

Figure 4-4 Mono Carrier

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Figure 4-6 Front interface assy/panel removal

1. Remove the two fixation screws.

2. Remove the complete module from the bottom plate, by
pulling the two fixation clamps upward [1], while sliding the
module away from the CRT [2].

3. Release the two fixation clamps at the side of the bracket,
and lift the panel out of the bracket (it hinges at one side).

4.3.2 Side AV Assy/Panel

1. Remove the fixation screw, and remove the complete Side
AV assembly.

3

2. Release the two fixation clamps, and lift the panel out of the
bracket.

F_15050_009.eps

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Figure 4-5 Service position Mono Carrier

1. Disconnect the degaussing coil.

2. Release the two fixation clamps [1] (at the mid left and mid
right side of the bracket), and remove the bracket from the
bottom tray, by pulling it backwards [2].

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

4. Turn the panel bracket with the rear I/O toward the CRT.

4.3.3 HDMI Interface Panel

To remove the HDMI Interface panel from the Mono Carrier,
unscrew the fixation screw at the back of the assy.

4.3.4 Trident Panel

1. Remove all cables.

2. Pull the panel upwards out of the connectors.

4.3.5 Top Control Assy/Panel

4

2 2

3

3

1

Figure 4-7 Top Control assy/panel removal

1. Remove the two fixation screws at the bottom [1] and the
two fixation screws at the front of the assy [2].

2. Release the two fixation clamps [3] to lift out the assy.

3. Release the two fixation clamps [4] to lift the panel out of
the assy.

4

1

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4.4 Set Re-assembly

To re-assemble the whole set, do all processes in reverse
order.

Note: before you mount the rear cover, perform the following
checks:

• Check whether the AC power cord is mounted correctly in
its guiding brackets.

• Check whether all cables are replaced in their original
position

Mechanical Instructions

EN 9L05L AA 4.

EN 10 L05L AA5.

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 Problems and Solving Tips Related to CSM

5.4 ComPair

5.5 Error Codes

5.6 The Blinking LED Procedure

5.7 Protections

5.8 Fault Finding and 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. These test points are specifically
mentioned in the “Test Point Overview” as “half moons” with a
dot in the center.

Table 5-1 Test point overview

Test point Circuit Diagr.

F508, F535, F536, F537, F552, F561, F563, F573, F664,
I513, I518, I519, I524, I531, I533, I546

F401, F412, F413, F414, F418, F452, F453, F455, F456,
F458, F459, F460, F461, I408, I416, I417, I420, I462,
I468

F003, F004, I001, I002 Tuner IF A3

F201, F203, F205, F206 UOCIII A4

F240, F241, F242 Features &

F952, F955, I951, I952 Audio Amplifier A7

F692 Front Control A9

F331, F332, F333, F338, F339, F341, F351, F353, F354 CRT Panel B1

F361, F362, F381, F382 ECO Scavem B2

Perform measurements under the following conditions:

• Television set in Service Default Alignment Mode.

• Video input: Color bar signal.

• Audio input: 3 kHz left channel, 1 kHz right channel.

Power supply A1

Line & Frame
Deflection

Connectivities

• All service-unfriendly modes (if present) are disabled. The
service unfriendly modes are:
– Timer / Sleep timer.
– Child / parental lock.
– Blue mute.
– Hotel / hospital mode.
– Auto shut off (when no “IDENT” video signal is

received for 15 minutes).
– Skipping of non-favorite presets / channels.
– Auto-storage of personal presets.
– Auto user menu time-out.
– Auto Volume Leveling (AVL).

How to Enter

To enter SDM, use one of the following methods:

• Press the following key sequence on the remote control
transmitter: “062596” directly followed by the MENU button
(do not allow the display to time out between entries while
keying the sequence).

• Short the jumper wire 9252 with a cold ground on the family
board (for example the tuner casing) and apply AC power.
Then press the power button (remove the short after start­up).
Caution: Entering SDM by shorting wire 9252 with ground
will override the +8V-protection. Do this only for a short

A2

period. When doing this, the service-technician must know
exactly what he is doing, as it could damage the television
set.

• Or via ComPair.

A5

After entering SDM, the following screen is visible, with SDM in
the upper right corner of the screen to indicate that the
television is in Service Default Mode.

00028 L05US1 1.1 PUS1 0.7 SDM
ERR 0 0 0 0 0
OP 000 057 140 032 120 128 000

5.2 Service 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 center and the customer.

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 readout for all chassis.
Minimum requirements for ComPair: a Pentium processor, a
Windows OS, and a CD-ROM drive (see also paragraph
"ComPair").

5.2.1 Service Default Mode (SDM)

Purpose

• To create a predefined setting for measurements to be
made.

• To override software protections.

• To start the blinking LED procedure.

Specifications

• Tuning frequency: 61.25 MHz (channel 3).

• Color system: PAL M.

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

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

Figure 5-1 SDM menu

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Service Modes, Error Codes, and Fault Finding

EN 11L05L AA 5.

How to Navigate

Use one of the following methods:

• When you press the MENU button on the remote control,
the set will switch on the normal user menu in the SDM
mode.

• On the TV, press and hold the VOLUME DOWN and press
the CHANNEL DOWN for a few seconds, to switch from
SDM to SAM and reverse.

How to Exit

Switch the set to STANDBY by pressing the POWER button on
the remote control transmitter or the television set.
If you turn the television set off by removing the AC power (i.e.,
unplugging the television) without using the POWER button,
the television set will remain in SDM when AC power is re­applied, and the error buffer is not cleared.

5.2.2 Service Alignment Mode (SAM)

Purpose

• To change option settings.

• To display / clear the error code buffer.

• To perform alignments.

Specifications

• Operation hours counter (maximum five digits displayed).

• Software version, Error codes, and Option settings display.

• Error buffer clearing.

• Option settings.

• AKB switching.

• Software alignments (Tuner, White Tone, Geometry &
Audio).

• NVM Editor.

• ComPair Mode switching.

How to Enter

To enter SAM, use one of the following methods:

• Press the following key sequence on the remote control
transmitter: “062596" directly followed by the OSD/
STATUS button (do not allow the display to time out
between entries while keying the sequence).

• Or via ComPair.

After entering SAM, the following screen is visible, with SAM in
the upper right corner of the screen to indicate that the
television is in Service Alignment Mode.

00028 L05US1 1.1 PUS1 0.7 SAM

ERR 0 0 0 0 0

OP 000 057 140 032 120 128 000

. Clear Clear ?
. Options
. AKB On
. Tuner
. White Tone
. Geometry
. Audio
. NVM Editor
. ComPair on

Figure 5-2 SAM menu

F_15050_014.eps

110205

Menu Explanation

1. LLLLL. This represents the run timer. The run timer counts
normal operation hours, but does not count standby hours.

2. AAABCD-x.y. This is the software identification of the
main microprocessor:
– A= the project name (= L05).
– B= the region: E= Europe, A= Asia Pacific, U= NAFTA,

L= LATAM.

– C= the software diversity:

• Europe: T= 1 page TXT, F= Full TXT, V= Voice
control.

• LATAM and NAFTA: N= Stereo non-dBx, S=
Stereo dBx.

• Asian Pacific: T= TXT, N= non-TXT, C= NTSC.

• ALL regions: M= mono, D= DVD, Q= Mk2.

– D= the language cluster number.
– x= the main software version number (updated with a

major change that is incompatible with previous
versions).

– y= the sub software version number (updated with a

minor change that is compatible with previous
versions).

3. EFFG-x.y. This is the software identification of the Trident
microprocessor.
– P= indication of the Trident processor.
– FF= the region: US=Nafta.
– G= the language cluster number.
– x= the main software version number (updated with a

major change that is incompatible with previous
versions).

– y= the sub software version number (updated with a

minor change that is compatible with previous
versions).

4. SAM. Indication of the Service Alignment Mode.

5. Error Buffer. Shows all errors detected since the last time
the buffer was erased. Five errors possible.

6. Option Bytes. Used to set the option bytes. See “Options”
in the Alignments section for a detailed description. Seven
codes are possible.

7. Clear. Erases the contents of the error buffer. Select the
CLEAR menu item and press the MENU RIGHT key. The
content of the error buffer is cleared.

8. Options. Used to set the option bits. See “Options” in the
Alignments section for a detailed description.

9. AKB. Used to disable (Off) or enable (On) the “black
current loop” (AKB= Auto Kine Bias).

10. Tuner. Used to align the tuner. See “Tuner” in the
Alignments section for a detailed description.

11. White Tone. Used to align the white tone. See “White
Tone” in the Alignments section for a detailed description.

12. Geometry. Used to align the geometry settings of the
television. See “Geometry” in the Alignments section for a
detailed description.

13. Audio. No audio alignment is necessary for this television
set.

14. NVM Editor. Can be used to change the NVM data in the
television set. See table “NVM data” further on.

15. ComPair. Can be used to switch on the television to In
System Programming (ISP) mode, for software uploading
via ComPair. Caution: When this mode is selected without
ComPair connected, the TV will be blocked. Remove the
AC power to reset the TV.

How to Navigate

• In SAM, select menu items with the MENU UP/DOWN keys
on the remote control transmitter. The selected item will be
highlighted. When not all menu items fit on the screen, use
the MENU UP/DOWN keys to display the next / previous
menu items.

• With the MENU LEFT/RIGHT keys, it is possible to:
– Activate the selected menu item.
– Change the value of the selected menu item.
– Activate the selected submenu.

• In SAM, when you press the MENU button twice, the set
will switch to the normal user menus (with the SAM mode

EN 12 L05L AA5.

Service Modes, Error Codes, and Fault Finding

still active in the background). To return to the SAM menu
press the MENU or STATUS/EXIT button.

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

How to Store SAM Settings

To store the settings changed in SAM mode, leave the top level
SAM menu by using the POWER button on the remote control
transmitter or the television set.

How to Exit

Switch the set to STANDBY by pressing the POWER button on
the remote control transmitter or the television set.
If you turn the television set “off” by removing the AC power
(i.e., unplugging the television) without using the POWER
button, the television set will remain in SAM when AC power is
re-applied, and the error buffer is not cleared.

5.2.3 Customer Service Mode (CSM)

Purpose

The Customer Service Mode shows error codes and
information on the TV’s operation settings. The call center can
instruct the customer (by telephone) to enter CSM in order to
identify the status of the set. This helps the call center to
diagnose problems and failures in the TV set before making a
service call.
The CSM is a read-only mode; therefore, modifications are not
possible in this mode.

How to Enter

To enter CSM, press the following key sequence on the remote
control transmitter: “123654” (do not allow the display to time
out between entries while keying the sequence).

Upon entering the Customer Service Mode, the following
screen will appear:

1 00028 L05US1 1.1 PUS1 0.7 CSM
2 CODES 0 0 0 0 0

3 OP 000 057 140 032 120 128 000
4 nnXXnnnn/nnX
5 P3C-1
6 NOT TUNED
7 NTSC
8 STEREO
9 CO 50 CL 50 BR 50 HU 0
0 AVL Off BS 50

6. Indicates the television is receiving an "IDENT" signal on
the selected source. If no "IDENT" signal is detected, the
display will read "NOT TUNED"

7. Displays the detected Color system (e.g. PAL/NTSC).

8. Displays the detected Audio (e.g. stereo/mono).

9. Displays the picture setting information.

10. Displays the sound setting information.

How to Exit

To exit CSM, use one of the following methods:

• Press the MENU, STATUS/EXIT, or POWER button on the
remote control transmitter.

• Press the POWER button on the television set.

5.3 Problems and Solving Tips Related to CSM

5.3.1 Picture Problems

Note: The problems described below are all related to the TV

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

Picture too Dark or too Bright

If:

• The picture improves when you have press the AUTO
PICTURE button on the remote control transmitter, or

• The picture improves when you enter the Customer
Service Mode,

Then:

1. Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.

2. Press the MENU button on the remote control transmitter.
This brings up the normal user menu.

3. In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.

4. Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.

5. Use the MENU UP/DOWN keys (if necessary) to select
BRIGHTNESS.

6. Press the MENU LEFT/RIGHT keys to increase or
decrease the BRIGHTNESS value.

7. Use the MENU UP/DOWN keys to select PICTURE.

8. Press the MENU LEFT/RIGHT keys to increase or
decrease the PICTURE value.

9. Press the MENU button on the remote control transmitter
twice to exit the user menu.

10. The new PERSONAL preference values are automatically
stored.

White Line around Picture Elements and Text

F_15050_015.eps

140205

Figure 5-3 CSM menu

Menu Explanation

1. Indication of the decimal value of the operation hours
counter, Software identification of the main and Trident
microprocessor (see "Service Default or Alignment Mode"
for an explanation), and the service mode (CSM=
Customer Service Mode).

2. Displays the last five errors detected in the error code
buffer.

3. Displays the option bytes.

4. Displays the type number version of the set.

5. Reserved item for P3C call centers.

If:

The picture improves after you have pressed the AUTO
PICTURE button on the remote control transmitter,

Then:

1. Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.

2. Press the MENU button on the remote control transmitter.
This brings up the normal user menu.

3. In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.

4. Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.

5. Use the MENU UP/DOWN keys to select SHARPNESS.

6. Press the MENU LEFT key to decrease the SHARPNESS
value.

Service Modes, Error Codes, and Fault Finding

EN 13L05L AA 5.

7. Press the MENU button on the remote control transmitter
twice to exit the user menu.

8. The new PERSONAL preference value is automatically
stored.

Snowy Picture

Check CSM line 6. If this line reads “Not Tuned”, check the
following:

• Antenna not connected. Connect the antenna.

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

• The tuner is faulty (in this case line 2, the Error Buffer line,
will contain error number 10). Check the tuner and replace/
repair the tuner if necessary.

Black and White Picture

If:

• The picture improves after you have pressed the AUTO
PICTURE button on the remote control transmitter,

Then:

1. Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.

2. Press the MENU button on the remote control transmitter.
This brings up the normal user menu.

3. In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.

4. Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.

5. Use the MENU UP/DOWN keys to select COLOR.

6. Press the MENU RIGHT key to increase the COLOR value.

7. Press the MENU button on the remote control transmitter
twice to exit the user menu.

8. The new PERSONAL preference value is automatically
stored.

Menu Text not Sharp Enough

If:

• The picture improves after you have pressed the AUTO
PICTURE button on the remote control transmitter,

Then:

1. Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.

2. Press the MENU button on the remote control transmitter.
This brings up the normal user menu.

3. In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.

4. Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.

5. Use the MENU UP/DOWN keys to select PICTURE.

6. Press the MENU LEFT key to decrease the PICTURE
value.

7. Press the MENU button on the remote control transmitter
twice to exit the user menu.

8. The new PERSONAL preference value is automatically
stored.

5.4 ComPair

5.4.1 Introduction

• 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.

• ComPair allows very detailed diagnostics (on I2C level)
and is therefore capable of accurately indicating problem
areas. You do not have to know anything about I2C
commands yourself because ComPair takes care of this.

• 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.

5.4.2 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 RS232) 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:

• Automatic (by communication with the television): ComPair
can automatically read out the contents of the entire error
buffer. Diagnosis is done on I2C/UART level. ComPair can
access the I2C/UART bus of the television. ComPair can
send and receive I2C/UART commands to the micro
controller of the television. In this way, it is possible for
ComPair to communicate (read and write) to devices on
the I2C/UART buses of the TV-set.

• Manually (by asking questions to you): Automatic
diagnosis is only possible if the micro controller of the
television is working correctly and only to a certain extend.
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.

Beside fault finding, ComPair provides some additional
features like:

• Up- or downloading of pre-sets.

• Managing of pre-set lists.

• Emulation of the (European) Dealer Service Tool (DST).

• If both ComPair and Force/SearchMan (Electronic Service
Manual) are installed, all the schematics and the PWBs of
the set are available by clicking on the appropriate
hyperlink.

Example: Measure the DC-voltage on capacitor C2568
(Schematic/Panel) at the Mono-carrier.

– Click on the “Panel” hyperlink to automatically show

the PWB with a highlighted capacitor C2568.

– Click on the “Schematic” hyperlink to automatically

show the position of the highlighted capacitor.

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:

EN 14 L05L AA5.

Service Modes, Error Codes, and Fault Finding

5.4.3 How to Connect

This is described in the chassis fault finding database in
ComPair.

TO

UART SERVICE

CONNECTOR

PC VCR I2CPower

I2C SERVICE
CONNECTOR

9V DC

E_06532_021.eps

180804

TO

Figure 5-4 ComPair interface connection

5.4.4 How to Order

ComPair order codes (EU/AP/LATAM):

• Starter kit ComPair32/SearchMan32 software and
ComPair interface (excl. transformer): 3122 785 90450.

• ComPair interface (excl. transformer): 4822 727 21631.

• Starter kit ComPair32 software (registration version): 3122
785 60040.

• Starter kit SearchMan32 software: 3122 785 60050.

• ComPair32 CD (update): 3122 785 60070 (year 2002),
3122 785 60110 (year 2003 onwards).

• SearchMan32 CD (update): 3122 785 60080 (year 2002),
3122 785 60120 (year 2003), 3122 785 60130 (year 2004).

• ComPair firmware upgrade IC: 3122 785 90510.

• Transformer (non-UK): 4822 727 21632.

• Transformer UK: 4822 727 21633.

• ComPair interface cable: 3122 785 90004.

• ComPair interface extension cable: 3139 131 03791.

• ComPair UART interface cable: 3122 785 90630

5.5.2 How to Clear the Error Buffer

The error code buffer is cleared in the following cases:

• By using the CLEAR command in the SAM menu:
– To enter SAM, press the following key sequence on the

remote control transmitter: “062596” directly followed
by the OSD/STATUS button (do not allow the display
to time out between entries while keying the
sequence).

– Make sure the menu item CLEAR is highlighted. Use

the MENU UP/DOWN buttons, if necessary.

– Press the MENU RIGHT button to clear the error

buffer. The text on the right side of the “CLEAR” line will
change from “CLEAR?” to “CLEARED”

• If the contents of the error buffer have not changed for 50
hours, the error buffer resets automatically.

Note: If you exit SAM by disconnecting the AC power from the
television set, the error buffer is not reset.

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 Error Codes

The error code buffer contains all errors detected since the last
time the buffer was erased. The buffer is written from left to
right. When an error occurs that is not yet in the error code
buffer, it is displayed at the left side and all other errors shift one
position to the right.

5.5.1 How to Read the Error Buffer

You can read the error buffer in 3 ways:

• On screen via the SAM (if you have a picture). Examples:
– ERROR: 0 0 0 0 0 : No errors detected
– ERROR: 6 0 0 0 0 : Error code 6 is the last and only

detected error

– ERROR: 9 6 0 0 0 : Error code 6 was detected first and

error code 9 is the last detected (newest) error

• Via the blinking LED procedure (when you have no
picture). See “The Blinking LED Procedure”.

•Via ComPair.

Service Modes, Error Codes, and Fault Finding

EN 15L05L AA 5.

5.5.3 Error Codes

In case of non-intermittent faults, write down the errors present
in the error buffer and clear the error buffer before you begin
the repair. This ensures that old error codes are no longer
present.

Table 5-2 Error code overview

Error Device Error description Check item Diagram

0 Not applicable No Error

1 Not applicable X-Ray/Over-voltage protection (US only) 2411, 2412, 2413, 6404, 6411, 6412 A2

2 Not applicable High beam (BCI) protection 3412, 7405 A2

3 Not applicable Vertical guard protection 3466, 7451 A2

4 Not applicable - --

5 Not applicable +5v protection 7604, 7605 A5

6 I2C bus General I2C error 7200, 3207, 3214 A4

7 Not applicable - --

8 Not applicable - --

9 24C16 I2C error while communicating with the EEPROM 7601, 3604, 3605 A5

10 Tuner I2C error while communicating with the PLL tuner 1000, 5001 A3

11 TDA6107/A Black current loop instability protection 7330, 3351, CRT B1

12 Not applicable - --

13 Not applicable - --

14 Not applicable - --

15 Not applicable - --

16 Not applicable - --

17 Not applicable - --

18 Not applicable - --

19 TDA1200x I2C error while communicating with sound decoder in UOCIII IC 7200 A4

20 TDA1200x I2C error while communicating with video cosmic in UOCIII IC 7200 A4

21 DPTVSVP I2C error while communicating with the 3D Processor 7201, 3223, 3224 T1

22 TDA9332 I2C error while communicating with the HOP 7221, 3244, 3629, 7226, 7227 T5

23 SAA5565 I2C error while communicating with the Painter uProcessor 7206, 3254, 3256 T2

24 AD9883 I2C error while communicating with the ADC 7210, 3268, 3270 T3

25 Not applicable No communication possible with Trident module - T

26 SII9993 I2C error while communicating with the HDMI receiver 7002, 3016, 3019 M1

If possible, check the entire contents of the error buffer. In
some situations, an error code is only the result of another error
and not the actual cause of the problem (for example, a fault in
the protection detection circuitry can also lead to a protection).

5.6 The Blinking LED Procedure

Using 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 SDM is entered, the front LED will blink the contents
of the error-buffer:

• When all the error-codes are displayed, the sequence
finishes with a LED blink of 1.5 seconds,

• The sequence starts again.

Example of error buffer: 12 9 6 0 0
After entering SDM, the following occurs:

• 1 long blink of 5 seconds to start the sequence,

• 12 short blinks followed by a pause of 1.5 seconds,

• 9 short blinks followed by a pause of 1.5 seconds,

• 6 short blinks followed by a pause of 1.5 seconds,

• 1 long blink of 1.5 seconds to finish the sequence,

• The sequence starts again at 12 short blinks.

5.7 Protections

If a fault situation is detected, an error code will be generated;
and, if necessary, the television set will go into 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 protection mode. The error codes of the
error buffer and the blinking LED procedure can be read via the
Service Default Menu (SDM), or via ComPair.

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

• The Customer Service Mode (CSM).

• The Service Default Mode (SDM).

• The Service Alignment Mode (SAM).

For a detailed mode description, see the relevant sections.

5.8 Fault Finding and Repair Tips

Notes:

• It is assumed that the components are mounted correctly
with correct values and no bad solder joints.

• Before any fault finding actions, check if the correct options
are set.

5.8.1 NVM Editor

In some cases, it can be handy if one directly can change the
NVM contents. This can be done with the “NVM Editor” in SAM
mode. In the next table, the default NVM values are given.

EN 16 L05L AA5.

Table 5-3 NVM default values for LATAM-region

Service Modes, Error Codes, and Fault Finding

Default values (hex)

Item

EW (EW Width) 19 16 2A 2A 16 16 2E 2E 2E 29 29

PW (EW Parabola Width) 20 09 2F 2F 09 09 28 28 28 16 16

HS (Horizontal Shift) 21 26 28 28 26 26 26 26 26 26 2A

HP (Horizontal Parallelogram) 2 2 07 07 07 07 07 07 07 07 07 07

HB (Horizontal Bow) 23 07 07 07 07 07 07 07 07 07 07

UCP (EW Upper Corner Parabola) 24 20 20 20 20 20 20 20 20 20 20

LCP (EW Lower Corner Parabola) 2520 202020202020202020

TC (EW Trapezium) 26 1F 1D 1D 1F 1F 14 14 14 1C 1C

VS (Vertical Slope) 27 25 26 26 25 25 28 28 28 1D 1D

VA (Vertical Amplitude) 28 1B 2D 2D 1B 1B 18 18 18 1F 1F

SC (S-Correction) 29 20 20 20 20 20 20 20 20 20 20

VSH (Vertical Shift) 30 20 1E 1E 20 20 23 23 23 1C 1C

VX (Vertical Zoom) 3119191919191919 191919

VSL (Vertical Scroll) 3220202020202020202020

EHTC (Vertical Linearity) 33 14 19 19 14 14 19 19 19 19 19

BLOR (Black Level Offset - Red) 34 08 08 08 08 08 08 08 08 08 08

BLOG (Black Level Offset - Green) 35 08 08 08 08 08 08 08 08 08 08

AGC (AGC Takeover) 361414141414141414 1414

OIF (IF-PLL Offset) 37 26 26 26 26 26 26 26 26 26 26

Vertical Wait 38 0F 0F 0F 0F 0F 0F 0F 0F 0F 0F

H60 and V60 39 09 09 09 09 09 09 09 09 09 09

60 Hz Vertical Amplitude 4230303030 303030303030

YD & CL 43 06 06 06 06 06 06 06 06 06 06

RGB amplitude for full teletext mode 46 00 00 00 00 00 00 00 00 00 00

NVM_TABLE_VERSION 6010101010101010101010

OPTION_TABLE_VERSION 61 01 01 01 01 01 01 01 01 01 01

CVI_BLOR 62 08 08 08 08 08 08 08 08 08 08

CVI_BLOG 63 08 08 08 08 08 08 08 08 08 08

TXT Brightness 6417171717171717171717

V60 offset (60Hz Vertical Amplitude) 66 FE FE FE FE FE FE FE FE FE FE

FOAB, CHSE 139 03 03 03 03 03 03 03 03 03 03

NVM_SOC_SMD 142 10 10 10 10 10 10 10 10 10 10

NVM_FMWS 149 03 03 03 03 03 03 03 03 03 03

NVM_ASD_SC1_THR 150 10 10 10 10 10 10 10 10 10 10

NVM_CRYSTALALIGN 208 3F 3F 3F 3F 3F 3F 3F 3F 3F 3F

Last Brightness (VID PP others) 264 30 30 30 30 30 30 30 30 30 30

Last Colour (VID PP others) 265 28 28 28 28 28 28 28 28 28 28

Last Contrast (VID PP others) 266 55 55 55 55 55 55 55 55 55 55

Last Sharpness (VID PP others) 267 05 05 05 05 05 05 05 05 05 05

Last Hue (VID PP others) 268 35 35 35 35 35 35 35 35 35 35

Last Colour Temperature (VID PP others) 269 1D 1D 1D 1D 1D 1D 1D 1D 1D 1D

White-D Cool Red 294 FD FD FD FD FD FD FD FD FD FD

White-D Cool Green 295 00 00 00 00 00 00 00 00 00 00

White-D Cool Blue 296 05 05 05 05 05 05 05 05 05 05

White-D Normal Red 297 21 21 21 21 21 21 21 21 21 21

White-D Normal Green 298 17 17 17 17 17 17 17 17 17 17

White-D Normal Blue 299 17 17 17 17 17 17 17 17 17 17

White-D Warm Red 300 02 02 02 02 02 02 02 02 02 02

White-D Warm Green 301 00 00 00 00 00 00 00 00 00 00

White-D Warm Blue 302 FA FA FA FA FA FA FA FA FA FA

Last Smart Sound 342 00 00 00 00 00 00 00 00 00 00

Last Volume 343 14 14 14 14 14 14 14 14 14 14

Last Balance 344 32 32 32 32 32 32 32 32 32 32

Last Treble (AUD PP others) 345 32 32 32 32 32 32 32 32 32 32

Last Bass (AUD PP others) 346 32 32 32 32 32 32 32 32 32 32

Address (dec)

32PW8422/78

34PT8422/78

34PT8422/77

32PW8422/77

32PW8422/44

29PT8422/78

29PT8422/77

29PT8422/44

28PW8422/78

28PW8422/77

Service Modes, Error Codes, and Fault Finding

EN 17L05L AA 5.

5.8.2 Power Supply

Set Not Working

Check Power
Supply Mains

Switch

Bridge Rectifier

circuit 6500

Ok

Check DC
voltage at
2505/2507

Ok

Check
fusible

resistor 3535

Not Ok

Check

3536

Not Ok

Check fusible
resistor 1500 &
circuit before it

Check IC7510 &

IC7531

Ok

Set able to

start-up

Ye s

End

No

Check other

fusible resistor

and capacitor in

the circuit

F_15050_004.eps

030205

5.8.3 Deflection

One Thin Vertical Line

Quick check:

• Set in protection mode.

• LED blinking with error “3”.

One Thin Vertical Line

LED Blinking

Check all

connection and

peripheral at

Deflection Circuit in

place

Check

Line Transistor

7405

Is VBE between

200mV to 30mV & V

approximately 500mV

Yes

Check Horizontal

Deflection

Circuitry

CB

Figure 5-5 Fault finding tree “Set not working”

Set Does Not Start Up

Set Unable

to Start

Software
loaded?

Yes

Check

voltage

across 2552

No

Is Vbatt

approximately

140V

Yes

Check

voltage

7545

3V3

Yes

Check 8V

across 7543

Yes

Check 5V

across 7544

Fuse Blown?

Load

Software

No

Yes

Check Power
Supply circuit

No

Change

Fuse

Replace transistor

E_14480_059.eps

170204

Figure 5-7 Fault finding tree “One thin vertical line”

One Thin Horizontal Line

Quick check:

• Set in protection mode.

• LED blinking with error “2”.

One Horizontal

Thin Line

LED Blinking

Check all connection

and peripheral at
Deflection Circuit

in place

Check transistor

(7451, 7523, 7543) at

Vertical Deflection Circuitry

Replace transistor

Yes

Set able to

Start

Yes

End

No

No

Check Line

Transistor 7405

Trident

F_15050_003.eps

Figure 5-6 Fault finding tree “Set does not start up”

030205

Yes

Check Vertical

Deflection Circuit

E_14480_060.eps

170204

Figure 5-8 Fault finding tree “One thin horizontal line”

EN 18 L05L AA5.

Service Modes, Error Codes, and Fault Finding

Blank Screen

Blank Screen

Check Vg2

(fine tune)

Not Ok

Check Beam Current Limit

(voltage is 1.8V-2V when

brightness and contrast is

set to the maximum

Ok

Check heater voltage

(measure pin 9&10
at the CRT socket)

Check video supply

(2436) is approximately

180V

Ok

Not Ok

Picture

appears?

Picture not appearing

Check deflection

circuit

Picture not appearing

Not Ok

5.8.5 Tuner and IF

No Picture

1. Check that the Option settings are correct.

2. If correct, check that supply voltages are there.

3. If supply voltages are present, check whether picture is
present in AV.

4. If picture is present in AV, check with the scope the Tuner
IF output signal by manual storage to a known channel.

5. If IF output is present, Tuner is working fine. If no IF output,
I2C data lines may be open, check continuity of I2C lines.
If I2C lines are ok, Tuner may be defect, replaced Tuner.

6. If Tuner IF is present and yet still no picture in RF mode, go
to Video Processing troubleshooting section.

No Picture, No Sound

Yes

Check tuning

supply voltage,

pin 9 of tuner

>30V & <35V

Check supply

voltage, pin 7 of

tuner

Check

Supply

V

No

T

Section

No Picture,

No Sound,
Raster Ok

Check AGC

Ok

Voltage, pin 1

of tuner

AGC voltage
changes with

different signal

strength

Ok

Picture

appears?

Ok

Figure 5-9 Fault finding tree “Blank screen”

5.8.4 Source Selection

Set is not able to go into AV or any missing AV is encountered

E.g. AV1 is available but not able to enter to AV1: Check if the
option setting is correct.

Set is able to go to AV, but no audio is heard.

1. Check that continuity of signal is there from the SCART/
Cinch input to the input of the UOCIII.

2. If continuity is there and still no audio, check that option
settings are correct.

3. If logic setting is correct and still no audio, proceed to Audio
Decoder/Processor troubleshooting section.

Set is able to go into AV but no video is available:

1. Check continuity from AV input to UOCIII depending on the
input.

2. If continuity is available and yet no video, proceed to Video
Processor troubleshooting section.

End

F_15050_001.eps

030205

No

Check AGC

circuit section

5V

Yes

Check Tuner

pin 4 & 5

I2C Bus

Ok

Yes

Replace Tuner

No

No

Check Power

Supply

Check other

functional area

E_14480_062.eps

Figure 5-10 Fault finding tree “No picture, no sound”

170204

Service Modes, Error Codes, and Fault Finding

EN 19L05L AA 5.

Picture Ok, No Sound

Picture Ok,

No Sound

Check IF output of

tuner, pin 11

CVBS

present?

Ye s

Check SAW filter output

(pin 4&5)

EU/AP/CH (QSS)- 1001

NA/LA/AP INT - 1002

Output Ok?

Ye s

Check other

functional area

No

No

Refer to fig.

"Power Supply:

Set not working"

Replace SAW

filter

E_14480_063.eps

170204

Figure 5-11 Fault finding tree “Picture ok, no sound”

Unable to Perform Tuning

Unable to

perform tuning

Enter SDM

check optionbyte 1

Correct

Check if tuner

Supply Voltage

pin 7

Incorrect

5V

Yes

Enter SDM and change

to the appropriate byte

Check Power

No

Supply

No

Check I2C

circuit

Replace

Tuner

5.8.6 Controller

Below are some guidelines for troubleshooting of the Micro
Controller function. Normally Micro Controller should be
checked when there is a problem of startup.

1. Check that both +3.3 V

and +1.8 VDC are present.

DC

2. Check that crystal oscillator is working.

3. Check that Power Good signal is at “high” logic, normal
operation.

4. Check that UOCIII is not in standby mode. Pin 15 of UOCIII
should be 0 V

DC

.

5. Make sure H-drive pulse is there. This can be checked at
resistor R3239. If H-drive does not exist, remove resistor
R3239 to check if there is loading.

Note: When the set shuts down after a few second after power
“on”, the main cause is that Vg2 not aligned properly, try
adjusting Vg2 during the few seconds of power “on”.

5.8.7 Video Processing

No Picture

When “no picture in RF”, first check if the microprocessor is
functioning ok in section “Controller”. If that is ok, follow the
next steps.
When “no picture in AV”, first check if the video source
selection is functioning ok in section “Source Selection”. If that
is ok, follow the next steps.

1. Check that normal operating conditions are met.

2. Check that there is video signal at pin 81. If no video,
demodulator part of the UOCIII is faulty, replace with new
UOCIII.

3. If video signal is available at pin 81, check pin 56, 57, and
58 for the RGB signal.

4. If signal is not available, try checking the BRIGHTNESS
and/or CONTRAST control, and make sure it is not at zero.

5. If still with the correct settings and no video is available,
proceed to the CRT/RGB amplifier diagram.

For sets with TDA9178, follow steps below:

1. Put Option Byte 2 bit 4 to “0”; if video signal is not available,
then check fault finding section “Controller”, Section
“Source Selection”, and steps above.

2. If video is available but not correct, put Option Byte 2 bit 4
to “1”, then check if LTI panel is present. If not, put LTI
panel in the main chassis (connector 1221).

3. If LTI panel is in main chassis, check cable between LTI
panel and main chassis (position is 1206). If it is
connected, then the LTI panel is faulty, replace it.

Check Tuner

Supply Voltage

Check I2C at pin

4 & 5 and tuner

Ok

Check other

functional area

Yes

Not Ok

33V

Not Ok

Not Ok

I2C

Not Ok

Tuner

E_14480_064.eps

Figure 5-12 Fault finding tree “Unable to perform tuning”

170204

EN 20 L05L AA5.

5.8.8 Audio Processing

No Sound

Picture Ok,

No Sound

Tuner IF Ok Check Tuner/IFNot Ok

Ok

Service Modes, Error Codes, and Fault Finding

Check AUDOUTLSL &

AUDOUTLSR pin at

UOCIII

Ok

Check Audio

Amplifier

Not Ok

Not Ok

Check UOCIII IC

Check Audio

Power Supply

Ok

Check Audio

Amplifier Circuit

and loud speaker

Ok

Check NVM

Not Ok

Check Power

Supply

Replace Audio

Amplifier

E_14480_065.eps

201005

Figure 5-13 Fault finding tree “No sound”

No RF Audio for QSS/Inter-Carrier Stereo Sets.

1. Check pin 99 and 100 for SIF signal (for QSS) or pin 104
and 105 for video with SIF (for Inter-Carrier)

2. If signal is not present, check for the QSS/FMI bit settings.
Check also the NVM data.

3. If signals are present and still no audio, check the audio
supply voltage +8V are present.

4. If still no audio signal at UOCIII output, the UOCIII is faulty.

No AV Audio.

1. Check troubleshooting methods in section “Source
Selection”.

2. Check the output of the UOCIII to see if there is signal
available. If no, check the normal operating condition and
also the NVM data.

3. If still no audio signal at UOCIII output, the UOCIII is faulty.

Note: If there is audio signal at UOCIII output and no audio at
loudspeaker, proceed to Audio Amplifier troubleshooting
methods.

5.8.9 Audio Amplifier

No RF as well as AV Audio at the Loudspeaker:

1. Check that the normal operation condition of the amplifier
is met.

2. If normal operation conditions are met, check the continuity
from UOCIII output to input of the amplifier.

3. If continuity is there and still no audio, check speaker wire
connections. If still no audio, amplifier IC might be faulty.

Block Diagrams, Testpoint Overviews, and Waveforms

6. Block Diagrams, Testpoint Overviews, and Waveforms

Wiring Diagram

TOP CONTROL PANEL

E

1010
3P

CRT PANEL

B

1361

3P

1352

1335

RIGHT

SPEAKER

RED

BLACK

(component view)

CRT

SOCKET

1351

1340

5P

5P

21L05L AA 6.

DEGAUSSING COIL

BLUE

CRT
16:9

ROTATION

CRT PANEL

B

FRAME

COIL

GREY

ORANGE

BROWN

SCAVEM

COIL

EHT
CRT

BLACK
RED

LEFT

SPEAKER

1336

1381

AQUADAG

3P

CVBS (YELLOW)

LEFT (WHITE)

RIGHT (RED)

HEADPHONE

D

SIDE
A/V PANEL +
HEADPHONE

4P

1206

1228

7P

6P

1222

6P

1280

1220

1252

1278

1533

12P

1693

7P

1533

12P

7P

3P

5P

1280

4P

6P

1221

5P

1202

1251

10P

1250

1223

12P

4P

1207

7P

6P

1228

1682

1206

4P

3P

1251

1250

10P

12P

1504

1401

1451

2P

2P

A

5P

MONO
CARRIER

LOT

1211

1404

2P

2P

FRONT INTERFACE

J

Warning: Some models have tact switch.

MAINS

1505/0202

M

1223

4P

7P

HDMI PANEL

1220

7P

6P

1222

SWITCH

1211/0201

2P

1693

7P

6P

1221

MAINS

CORD

TRIDENT PANEL

T

1005

3P

ComPair

CONNECTOR

TUNER

F_15210_034.eps

251005

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Supply and Deflection

SUPPLY AND DEFLECTION

SUPPLY

FRONT INTERFACE

J

1211

A1

1505

1

2

1231

MAINS

SWITCH

(not USA)

POWER SUPPLY

Degaussing

1506

MAINS

SWITCH

(not USA)

I511

6512

3519

7532

Coil

2511

6533

3530

I531

1500

T4E

2

6

3

6

11

1212

1

2

1504

5500 :
5502

7511
TEA1506T

DRAIN

Vcc

CONTROL

IC

CTRL

STANDBY

SUPPLY

7531
TEA1620

Vcc

CONTROL

IC

REG

SOURCE

AUX

DRIVER

SENSE

DEMAG

DRAIN

3507

t

6500

AC

I513

3513

14

3514

11

I519

3532

9

3517

7

3518

I533

14

2534

12

3538

6532

3534

3531

F508

2505

DC

MAIN

SUPPLY

3516

I516

D

S

7514

7512

G

6511

1503

43

1

2

5520

4

3

5531

17

18

13

14

10

11

1

7515
TCET1103

2

10

9

8

6

9

8

4

5

3

2

35321532

1A

4

5

1

2

HOT GROUND COLD GROUND

7541

ENERGIZING

CIRCUIT
(optional)

5551 5552

5562

5561

6564

6535

6536

6551

6563

6562

3571

6573

2536

F552

1543

7571

REFERENCE

CIRCUIT

7573

STANDBY

CIRCUIT

6565 6566

2564

2535

6571

6537

V_DG

+3V3

3565

F536

S

G

7536

7561

6676

D

I573

7535

For IDTV only

Vbatt

F563

-Vaudio

F561

+Vaudio

+6VA

3575

3576

Stdby_Con

POWER-DOWN

A4

F564

+3V
+6VA
+6VA

5537

+6V

F537

Vaux

I548

DEFLECTION

A4

INTF_Y GREEN_IN

A4

2x

HERCULES

A5

EHTinfo

A2

56

97

7200-H
(SYNC)

22L05L AA 6.

VIDEO
IDENT

MAIN

SYNC

SEPARATOR

EHTo

PHI 1

DETECTOR

VERTICAL

SYNC

SEPARATOR

3232

2240

HORIZONTAL

OSC.

SAND-

CASTLE

GENERATOR

X-RAY

PROTECTION

VERTICAL

DIVIDER

112

A2 A2

EHTinfo

113 116

VERTICAL

GUARD

DETECTOR

PHI 2

DETECTOR

VERTICAL

SAW-

THOOTH

Vguard

HORIZONTAL

OUTPUT

E/W

+

GEOMETRY

VERTICAL

OUTPUT

+

GEOMETRY

R.G.B.

BLANKING

A5

LINE + FRAME DEFLECTION

A2

LINE

+

E/W

CORR.

7452

7411

3465

-12V

7454

Vbatt

1404
1

2

7451

7453

3

1

F402

HOR.
DEFL.
COIL

3461

3466

5445

3474

3471

F458

1491
1

2

F459

EHT

FOCUS VG2

10

6

5

7

8

9

Vguard

VER.
DEFL.
COIL

FRAME_FB

1454

3442

6481

Vbatt

A4

I433

TO

CRT

B1

+Vbatt

3481

3410

6483 6484

6453

6456

3457

3455

6401

3411

3451

2403

6452

3458

3484

3485

1452

2456

6459

Vbatt

7401 : 7403
7480 : 7483

FRAME_FB

EHTb

EHTb

+

EHTinfo

+

EHTinfo

BCL

PROC.

F452

F453

VIDEO/SUPPLY

F455

6454

6455

EHTb

FILAMENT

VIDEO/SUPPLY

3401

F401

F_15210_035.eps

POWER-DOWN

A1

A4

BCL

A4

-12V

FILAMENT

+9V

VT_SUPPLY

A4

181005

1401

5

4

3

2

1

TO 1351

B1

CRT

+6VA

LINE

7408

F412

TO RGB
PROC.

7207

HDRIVE

HD

SANDCASTLE

A5

EW_DRIVE

62

63

108

-9V

7404

+8V

7410

3498

HD

6486

5402

E/W

+8V

3420 3440

I417

7484

7405

BU4508DX

F418

7406

3497

F414

OUTPUT
CIRCUIT

FRAME

+9V

106

107

VDRA

VDRB

F460

F461

3462

7455 7456

3463

Block Diagrams, Testpoint Overviews, and Waveforms

Testpoint Overview Mono Carrier

F001 E1
F002 E1
F003 E2
F004 E2
F005 E1
F006 E2
F007 E1

3139 123 5933.2

F008 E1
F009 E4
F010 E2
F011 E1
F101 D1
F102 D1
F103 D1

F104 D1
F105 D1
F106 D1
F107 D1
F108 D1
F109 D1
F110 C1

F111 D1
F112 C1
F113 C1
F115 C1
F116 D2
F117 D2
F122 D1

F123 D1
F138 D2
F139 C1
F140 D2
F200 D5
F201 C4
F202 D4

F203 D4
F207 D4
F209 E4
F210 E5
F211 E5
F212 E4
F213 E4

F214 D4
F215 D3
F216 C3
F217 C3
F218 C2
F219 C2
F220 D2

F221 C2
F224 C2
F225 C2
F226 C2
F227 E4
F228 C4
F230 D4

F233 D4
F237 D4
F238 D4
F239 D4
F243 C3
F247 E2
F248 E2

F249 E2
F251 D4
F252 C2
F254 C3
F270 D4
F271 C3
F401 C4

F402 B3
F404 B2
F416 A3
F418 A3
F419 A2
F452 A1
F453 C2

F455 C3
F456 A1
F457 B1
F458 C1
F459 C2
F461 C2
F462 B1

F464 A3
F465 B3
F466 A3
F467 B3
F472 C3
F475 C3
F476 C3

F478 B1
F481 B1
F482 B2
F483 A3
F500 C6
F501 C7
F502 C7

23L05L AA 6.

F503 A7
F504 A7
F506 A7
F507 A7
F508 A5
F509 A5
F510 B4

F534 C7
F535 D6
F537 C7
F541 C7
F542 C7
F552 B4
F561 C5

F562 B5
F563 C4
F564 C5
F565 D6
F573 C4
F577 C5
F578 D7

F580 D7
F581 B5
F582 D6
F583 D7
F584 D6
F585 C5
F586 D7

F691 D7
F692 D7
F693 D7
F694 C7
F695 C7
F696 C7
F697 D7

F698 D7
F950 D6
F951 D6
F952 E6
F953 E5
F955 E6
F956 E5

I001 E1
I002 E1

I003 E2
I004 E2
I005 E4
I006 E3
I007 E1

I008 E3
I009 E3
I010 E3
I011 E1
I012 E2
I014 E1
I015 E1

I016 E1
I017 D4
I104 D2
I105 D1
I106 D2
I107 D2
I108 D1

I109 D2
I110 E1
I111 C1
I112 D1
I113 C1
I114 C2
I116 C1

SERVICE TEST POINT

I117 E2
I119 C1
I120 C2
I122 D1
I123 D2
I124 D1
I125 D1

I201 E4
I203 E3
I204 E4
I206 E4
I207 D3
I208 D3
I210 D3

I211 C3
I212 D3
I213 E4
I214 D3
I215 E3
I217 E3
I218 D3

I219 D2
I220 D3
I221 D3
I222 D4
I224 D4
I225 D4
I226 D3

F_15210_015.eps

I227 E4
I228 D4
I229 C4
I230 D4
I231 D4
I232 E2
I233 D2

181005

I234 E5
I235 D4
I236 D4
I237 D2
I238 D2
I239 E4
I240 E5
I241 E5
I242 C3
I244 D2
I280 D2
I282 E4
I283 E4
I410 A3
I411 A2
I412 B1
I413 B3
I414 B1
I415 C3
I416 B1
I417 C3
I418 A3
I419 A4
I423 C3
I424 A1
I425 C2
I426 B2
I427 B2
I428 B3
I430 C2
I431 C2
I432 B3
I433 C3
I434 C3
I435 C3
I436 C3
I440 C3
I453 A1
I455 A1
I456 A1
I457 B2
I458 B2
I459 B2
I460 C1
I461 B2
I462 C2
I463 A1
I464 C1
I465 B1
I466 B2
I468 B2
I469 B2
I470 B2
I471 C2
I473 B3
I475 B1
I481 C2
I482 C3
I488 A3
I489 A3
I490 C3
I492 B1
I493 A1
I494 B2
I499 C3
I501 A6
I502 B6
I505 B7
I506 B6
I507 C7
I508 B7
I509 B5
I510 C5
I511 A4
I512 B5
I513 A4
I514 B4
I515 A4
I516 A4
I517 A4
I518 A4
I519 A4
I520 A4
I521 A4
I522 A7
I523 B4
I524 A4
I525 B7
I526 B6
I527 A4
I528 C5
I529 C5
I530 B6
I531 B5
I532 B6
I533 C6
I534 D7
I536 B6

I537 C6
I538 C5
I539 C6
I540 C6
I542 C7
I543 C7
I545 C7
I547 D7
I551 B4
I552 B4
I553 B5
I554 B5
I556 C6
I557 B6
I558 C6
I560 B6
I561 B5
I562 B5
I563 B5
I564 C5
I565 C5
I568 C6
I571 B4
I572 C4
I573 B4
I574 B4
I576 B4
I578 B4
I579 B4
I580 B7
I581 B7
I582 B6
I583 A6
I584 A6
I588 C5
I589 D7
I590 C5
I592 C5
I593 C5
I594 C6
I595 C6
I596 D7
I597 B5
I599 B5
I699 D7
I950 D5
I951 E5

I952 E5

I953 E6
I954 E6
I955 D5
I956 E6
I957 E6
I958 D5
I959 E5
I960 D6
I961 D6
I964 E6
I965 E5

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Video

VIDEO

TUNER IF

A3

9002

VT_SUPPLY

FM

SDA

SCL

SEL-LLPIM

154

154

A2

50019003

1000 6, 7 9

VT

FM-RADIO

ERR

FM

10

TUNER

+

IF

TV TUNER

TV

3001

3000

I002

I001

4

5

7001

FILTER

SELECTION

AGC

1

A5

1207

1252

Y

7

C

SC1_GREEN_IN

SC1_BLUE_IN

SC1_RED_IN

6

5

SC2_Y/CVBS_IN

SC2_CHROMA_IN

SC1_CVBS_IN

SC2_CVBS_OUT

32

32

+5V

+5VS

A4

A4

A4

SIDE AV

D

SVHS

VIDEO

IN

REAR I/O CINCH

A8

SVHS

AV1

V

AV2

V

MONITOR

OUTPUT

V

YUV INPUT

Y

U

V

6001
BZX79-C33

F002

10

F004

11

CONNECTION

7

6

5

7003

1002
1003

1004

SIDE_CHROMA_IN

SIDE_Y/CVBS_IN

A5

7606
7607

SW_SC2_CVBS

1228

SSIF

VIF_1

VIF_2

RF

SIF1

SIF2

24L05L AA 6.

TO
AUDIO
PAR T

HERCULES

7200-A (IF)

PHASE

DISC

VIDEO

IF

TUNER IF

AGC

AUDIO IF

QSS/AM

Y, Pb, Pr / RGB INPUT

T2

1228

1

Yp

3

Pb

5

Pr

1220

2

4

6

T5

See block
diagram
AUDIO

FEATURES & CONNECTIVITIES

A5

7200-B (CVBS I/O + FILTERS + COLOUR DECODING)

A4

86

ADC

7204
AD9883AKST

54

48

43

SOUND

TRAP

FM/QSS

AM

SWITCH

TO
AUDIO
PAR T

See block
diagram
AUDIO

ADC

VCO

PLL

VIDEO

DEMOD

PLL

SOUND

MIXER

AM

SOUND

DET.

T3

7205

R

G

B

BA7657F

1

Pr

7

R

3

Yp

9

G

5

Pb

11

B

21

19

15

SYNC

&

N.C.

SW_SC2_CVBS

SC1_CVBS_IN

SC2_Y/CVBS_IN

SIDE_Y/CVBS_IN

SC2_CHROMA_IN

SIDE_CHROMA_IN

2-9
12-19
70-77

66

67

CVBS1

T1

81

74

71

78

70

77

DPTV SDP

CVBS

1

3x8

HS_OUT

VS_OUT

DATA_CK

ADC

7201
6930DPTVSDP

RGB

&

TV

DIGITAL

PROCESSING

INPUT

SWITCH

VIDEO
IDENT

MEMORY

DAC

CVBS/Y

C

27

28

29

35

34

7203

COMB
FILTER
&TRAP
SWITCH

T5

T4

CHROMA/CVBS

DISPLAY & PROCESSING
(SYNC PART)

SDRAM

7219-7222

4x

DRAM

M12L16161A

SVM

CLOCK

PC_TV

SYNC.

GENERATOR

SEP.

16

LOGIC

MANAGEMENT

SD1

57

SC1

56

CPU

OUTPUT
SWITCH

PAL, NTSC

SECAM

DECODER

65

YintYint

Uint

Vint

7218
TDA9332H

Y/U/V

RGB

MATRIX

CVBS_OUT_SVP

35 36 37 38

RGB

INSERTION

OUTPUT

AMPL.

CATHODE

CALIBR.

CVBS_TXT_CC

T5

YUV

RGB
YUV

MATRIX

PH1-122PH1-2

2120

1203

HOP

9 1413

RAMP

GEN

DRIVE

FRAME

STARISTOP

H-DRIVE

29

DPTV_R

DPTV_G

DPTV_B

VSYNC

HSYNC

SDA

SCL

3244

3243

30

31

32

23

24

11

10

INTF_R_IN

INTF_L_IN

R

G

B

E/W

5

1250

1

2

3

4

5

6

7

8

9

10

11

12

R
G
B

FBK

43

40

41

42

44

3

4

2

1

8

F038

F039

F040

SOURCE SELECT &

T2

MICROCONTROLLER

1250

1

2

3

4

5

6

7

8

9

10

11

12

R_OUT

G_OUT

B_OUT

CUT_OFF

1202

1223

1

TO

See block

2

AUDIO

diagram
AUDIO

PAR T

3

4

RGB AMPLIFIER

B2

1331

1

B

1

G

2

2

R

3

3

4

4

5

5

CUT_OFF

3351

+200A

2313

1351

ROTATION & SCAVEM

B3

V13

7330/7340/7350

3

V11

3

3

V12

5

+141V

1351

123 45

to 1401

A2

DEFLECTION

+200VA

8

8

8

5352

EHT-INFO

67

FILAMENT

ROTATION

OUTPUT

FILAMENT

SCAVEM
OUTPUT

B1

FILAMENT

VSVM

CRT SOCKET

3332

3334

3336

1335

AQUADAG

11

B

6

G

8

R

10 9 5 7 1

+8V_12V

1381
1

2

1361
1

2

FOCUS

VG2

A2

FROM DEFLECTION

ROTAT ION
COIL
(OPTIONAL)

SCAVEM
COIL
(OPTIONAL)

CRT

25kV

EHT

DEFLECTION

+8V

SSIF

A4

24

25

31

29

30

1

3

5

HDMI PANEL LINK RECEIVER

M1

HDMI-IN

SOURCE SELECT + MICROCONTROLLER

+3V3STBY

7002

shifter

7003

74

75

72

HDMI

77

PANEL-LINK

RECEIVER

7

PROUT_HDMI

12

15

YOUT_HDMI

PBOUT_HDMI

+3V3

+8V

+5V

1220

1221

76

1222

SDA

SCL

HDMI_RESET

AUDIO_SELECT

SCL_IO

SDA_IO

1

RX2+

#RESET

RX2-

4

6

7

9

10

12

15

16

18

3030

19

RX1+

RX1-

RX0+

RX0-

RXC+

RXC-

DDC_SCL

DDC_SDA

+5V_HDMI

TMDS input data pair

DOC_SCL

DOC_SDA

+5VHDMI

8

65

DDC
NVM

T2

V_SA4

7206

HSYNC

CVBS_TXT_CC

2

4

6

1

2

5

6

1

2

5

6

SCL_PP

SDA_PP

SCL_OUT

SDA_OUT

RESET

RESET_PP

HDMI_RESET

31

83

84

81

82

1

96

80

MICRO

CONTROLLER

53

VSYNC

55

TV

46

47

48

38

B

G

R

FBL

F_15050_072.eps

240205

Block Diagrams, Testpoint Overviews, and Waveforms

Testpoint Overview CRT Panel (Family Board)

25L05L AA 6.

F331 A2
F332 A2
F333 A2
F334 A2
F335 A2

F338 A2
F339 A1
F340 A1
F341 A1
F351 A1

F352 A1
F353 A1
F354 A2
F356 A1
F360 A1

F361 A1
F362 A1
F363 A1
F381 A1
F382 A1

SERVICE TEST POINT

I330 A2
I331 A2
I332 A2
I333 A2
I334 A2

I335 A2
I336 A1
I337 A2

I338 A2
I339 A2

I340 A2

I341 A1

I342 A1
I343 A1
I344 A1

I345 A1
I346 A1
I347 A1
I348 A1
I351 A2

I352 A2
I353 A1
I355 A1
I357 A2
I360 A1

I361 A1
I362 A1

I363 A1
I364 A1
I365 A1

I366 A1
I367 A1
I368 A1
I369 A1
I371 A1

I372 A1
I380 A1

I381 A1

3139 123 5934.2

F_15210_020.eps

181005

Block Diagrams, Testpoint Overviews, and Waveforms

26L05L AA 6.

Testpoint Overview HDMI Panel

F001 B1
F004 A3
F005 A2
F006 A2
F008 A1

3139 123 5954.1

F009 A1
F010 A1
F011 B3
F012 B1
F013 A1

F014 A1
F015 A2
F016 B2
F019 A2
F020 A2

F021 A2
F022 A2
F023 A1
F024 A2
F026 A2

F027 A2
F030 A2
F031 B1
F032 B1
F033 B1

F034 A1
F035 B1
F036 A3
F038 A2
F040 A2

F041 A2
F051 B3
F052 B1
F053 A2
F054 B2

F055 B1
F056 A1
F057 B2
F058 A2
F059 B2

F060 B2
F061 B1
F062 B3
F063 B3
F064 B2

F065 A2
F066 B2
F067 B2
F080 A3
F081 A3

F082 A3
F083 A3
F084 B3
F085 A3
F086 A3

F087 A3
F088 A3
F089 A1
F090 A1

F_15050_063.eps

160205

Testpoint Overview Trident Panel

3139 123 5936.2

F_15210_033.eps

181005

F201 B3
F202 E1
F203 C1
F204 E1
F205 D1
F206 D1
F207 C2
F208 D2
F209 E3
F211 E1
F212 C3
F213 B4
F214 B4
F215 B1
F216 C1
F217 A3
F218 A3
F219 A3
F220 A4
F221 A4
F222 A3
F223 A2
F224 B3
F225 A3
F226 B3
F227 A4
F228 A3
F229 A3
F230 A3
F231 C1
F232 A2
F233 D2
F234 B1
F235 C1
F236 C1
F237 C2
F238 C1
F239 A3
F240 A3
F241 A3
F242 A4
F243 A4
F245 D4
F246 D4
F247 E4
F248 D4
F249 B1
F250 A2
F251 A2
F252 A2
F253 A2
F254 A2
F255 A2
F256 B1
F257 A1
F258 A2
F259 A2
F260 A2
F261 A2
F262 A2
F263 A1
F264 A1
F265 A1
F266 B1
F267 A1
F268 A1
F269 B1
F271 B1
F272 B1

F273 B1
F274 A2
F275 A2
F276 A2
F277 A2
F278 A2
F281 A1
F282 D4
F283 C4
F284 C4
F285 D4
F286 D4
F287 D2
F288 B4
F289 B4
F290 B4
F295 C1
F298 E1