Philips L01H.1A User manual

Published by RB 0262 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 11650
©
Copyright 2002 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.
Colour Television Chassis
L01H.1A
AA
CL 26532029_000.eps
010302
Contents Page Contents Page
1. Technical Specifications, Connections and
Chassis Overview 2
2. Safety & Maintenance Instructions, Warnings and
Notes 4
3. Directions for Use 5
4. Mechanical Instructions 13
5. Service Modes, Error Codes and Faultfinding 15
6. Block Diagram, Testpoints, I2C And Supply
Voltage Overview
Block Diagram 19
Wiring Diagram 20
Testpoint Overview 21
I2C And Supply Voltage Overview 22
7. Electrical Diagrams and PWB’s Diagram PWB
Power Supply (Diagram A1) 23 36-41
Line Deflection (Diagram A2) 24 36-41
Frame Deflection (Diagram A3) 25 36-41
Tuner IF (Diagram A4) 26 36-41
Video IF and Sound IF (Diagram A5) 27 36-41
Synchronization (Diagram A6) 28 36-41
Control (Diagram A7) 29 36-41
Audio Amplifier (Diagram A8) 30 36-41
NICAM (Stereo/SAP) Decoder (Diagram A9) 31 36-41
Audio/Video Source Switching (Diagram A10) 32 36-41
Front I/O + Control, Headphone(Diagram A12) 33 36-41
Rear I/O Cinch (Diagram A13) 34 36-41
Tilt and Rotation (Diagram A15) 35 36-41
CRT (Diagram B1) 42 44
SCAVEM (Diagram B2) 43 44
Side AV (Diagram E) 45 45
Side AV and Headphone (Diagram E1) 46 46
EPS4B External Power Supply (Diagram F) 47 48
UIR/LS Module (Diagram H) 49 51
Interface Panel (Diagram J) 50 51
Front Interface & Control Panel (Diagram Q) 52 53
Front Interface (Diagram Q1) 54 54
8. Alignments 55
9. Circuit Description 60
List of Abbreviations 69
10 Spare Parts List 71

Technical Specifications, Connections and Chassis Overview
EN 2 L01H.1A1.
1. Technical Specifications, Connections and Chassis Overview
Index:
1. Technical Specifications.
2. Connections.
3. Chassis Overview.
Note:
• Described specifications are valid for the whole product
range (see Product Survey for specific models).
• Figures can deviate slightly from the actual situation, due
to different set executions.
1.1 Technical Specifications
1.1.1 Reception
Tuning system : PLL
Colour systems : NTSC 3.58, 4.43
: PAL B/G, B/H, D/K, I
: SECAM B/G, D/K, K1
Sound systems : FM-stereo
: 2CS (B/G, China,
Korea)
:BTSCDBX
: NICAM B/G, D, D/K, I
: BI-NICAM B/G, D, D/
K, I
A/V connections : NTSC 3.58, 4.43
:PAL60
Channel selections : 100 or 125 channels
: UVSH or full cable
Aerial input : 75 Ω, IEC- or F-type
1.1.2 Miscellaneous
Audio output : 2 x 5 W (with SAP)
: 2 x 5 W + 10 W
(subwoofer)
: 2 x 5 W + 10 W + 2 x
3 W
Mains voltage : 90 - 276 V or 150 -
276 V
Mains frequency : 50 or 60 Hz
Ambient temperature : + 5 to + 45 deg. C
Maximum humidity : 90 %
Standby Power consumption : < 3 W
1.2 Connections
1.2.1 Front (or Side) Connections and Front (or Top) Control
Figure 1-1 Front and Top Controls
IR
RED
- VOLUME +
- PROGRAM +
V+V-
P-
P+
L
Audio
R
Video
Mono
V- C+C-V+
CL 16532016_020.eps
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C+C-V+V-

Technical Specifications, Connections and Chassis Overview EN 3L01H.1A 1.
Audio / Video In
1 - Video CVBS (1 Vpp / 75 Ω) 
2 - Audio L (0.2 Vrms / 10 kΩ) 
3 - Audio R (0.2 Vrms / 10 kΩ) 
4 - Headphone
(3.5 mm) 8 - 600 Ω/ 4 mW 
1.2.2 Rear Connections
Figure 1-2 Rear Connections
Monitor Out
1 - Video CVBS (1 Vpp / 75 Ω) 
2 - Audio L (0.5 Vrms / 1 kΩ) 
3 - Audio R (0.5 Vrms / 1 kΩ) 
YUV In (if present)
1 - Y 0.7 Vpp / 75 Ω
2 - U 0.7 Vpp / 75 Ω
3 - V 0.7 Vpp / 75 Ω
AV1 In
4 - Video CVBS (1 Vpp / 75 Ω) 
5 - Audio L (0.5 Vrms / 10 kΩ) 
6 - Audio R (0.5 Vrms / 10 kΩ) 
AV2 In
1 - Video CVBS (1 Vpp / 75 Ω) 
2 - Audio L (0.5 Vrms / 10 kΩ) 
3 - Audio R (0.5 Vrms / 10 kΩ) 
AV2 In (SVHS)
1 - gnd !
2 - gnd !
3 - Y 1 Vpp / 75 Ω
4 - C 0.3 Vpp / 75 Ω
Figure 1-3 Smart Plug / Phone Jack
Figure 1-4 Smart Card Connector (32 Pins)
1.3 Chassis Overview
Figure 1-5 Chassis Overview
V
L
R
Y
U
V
V
L
R
V
L
R SVHS
MONITOR
OUT
75 Ohm AV1
IN AV2 IN
CL 26532029_005.eps
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OR
TV SMART PLUG
AND PHONE JACK
PIN 1 PIN 6
TV SMART PLUG
RJ11 CONNECTOR DESCRIPTION
1 CLOCK
2 DATA IN
3 +5V
4 DATA OUT
5 GND
6 IR DATA
1, 4 SPEAKER +
2 SPEAKER -
PHONE JACK
FOR BATHROOM SPEAKER
CL 16532138_011.eps
221101
4
1
2
116
17
32
CL16532138_028.eps
171201
32 PIN SMART CARD CONNECTOR
PIN
1 RESERVE
2 GROUND (POWER)
3 +12V
4 GROUND (IIC)
5 IR-DATA
6 POR
7 TV-CLOCK
8 DATA-IN
9 DATA-OUT
10 +5V
11 HORIZONTAL SYNC OUT
12 VERTICAL SYNC OUT
13 GROUND CVBS-IN
14 SCL
15 SDA
16 RESERVE
PIN
17 ANALOG BLUE IN
18 ANALOG GREEN IN
19 ANALOG RED IN
20 FAST BLANKING IN
21 GROUND CVBS-OUT
22 CVBS-OUT
23 AUDIO OUT MONO
24 RESERVE
25 AUDIO OUT MONO
26 GROUND AUDIO IN
27 RIGHT AUDIO OUT
28 LEFT AUDIO OUT
29 RIGHT AUDIO IN
30 LEFT AUDIO/MONO IN
31 CVBS/Y IN
32 "C" IN
CRT PANEL
SIDE AV PANEL + HEADPHONE
E1E
UIR/LS
(UNIVERSAL
INFRARED RECEIVER +
SMARTPLUG LOADER
+LOUDSPEAKER SOCKET )
H
J
F
MAIN
CHASSIS
PANEL
A1
B2B1
A2
A3
A4
A5
A12
A9
A10
A8
A13
POWER SUPPLY
Q1Q
FRONT INTERFACE
LINE DEFLECTION
FRAME DEFLECTION
A6
SYNCHRONISATION
TUNER IF
VIDEO + SOUND IF
FRONT I/O + CONTROL +
HEADPHONE
A7
CONTROL (µP)
NICAM + 2CS +
BTSC DECODER
A/V SWITCHING
AUDIO AMPLIFIER
REAR I/O CINCH
CL 26532029_003.eps
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A15
TILT & ROTATION
INTERFACE
SMART CARD
EPS4B
(EXTERNAL
POWER SUPPLY)

Safety & Maintenance Instructions, Warnings, and Notes
EN 4 L01H.1A2.
2. Safety & Maintenance Instructions, Warnings, and Notes
2.1 Safety Instructions For Repairs
Safety regulations require that during a repair:
•Due to the ‘hot’parts of this chassis, the set must be
connected to the AC power via an isolation transformer.
•Safety components, indicated by the symbol , should be
replaced by components identical to the original ones.
•When replacing the CRT, safety goggles must be worn.
Safety regulations require that after a repair, the set must be
returned in its original condition. Pay 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 is flowing, in particular:
–all pins of the line output transformer (LOT)
–fly-back capacitor(s)
–S-correction capacitor(s)
–line output transistor
–pins of the connector with wires to the deflection coil
–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 AC power cord for external
damage.
•Check the strain relief of the 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 AC plug
and the secondary side (only for sets that have an isolated
power supply). Do this as follows:
1. Unplug the AC power cord and connect a wire between
the two pins of the AC plug.
2. Turn on the main power switch (keep the AC power
cord unplugged!).
3. Measure the resistance value between the pins of the
AC plug and the metal shielding of the tuner or the
aerial connection of the set. The reading should be
between 4.5 MΩand 12 MΩ.
4. Switch the TV OFF and remove the wire between the
two pins of the AC plug.
•Check the cabinet for defects, to prevent the possibility of
the customer touching any internal parts.
2.2 Maintenance Instructions
It is recommended to have a maintenance inspection carried
out by qualified service personnel. The interval depends on the
usage conditions:
•When the set is used under normal circumstances, for
example in a living room, the recommended interval is
three to five years.
•When the set is used 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 Fig. 2-1, to
discharge the picture tube. Use a high voltage probe and a
multi-meter (position VDC). Discharge until the meter
reading is 0 V (after approx. 30 s).
Figure 2-1
•All ICs and many other semiconductors are susceptible to
electrostatic discharges (ESD)". Careless handling
during repair can reduce life drastically. When repairing,
make sure that 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 potential. Available ESD
protection equipment:
–Complete kit ESD3 (small tablemat, wristband,
connection box, extension cable, and ground cable)
4822 310 10671.
–Wristband tester 4822 344 13999.
•Together with the deflection unit and any multi-pole unit,
flat square picture tubes form an integrated unit. The
deflection and the multi-pole units are set optimally at the
factory. Adjustment of this unit during repair is therefore not
recommended.
•Be careful during measurements in the high voltage
section and on the picture tube.
•Never replace modules or other components while the unit
is switched ON.
•When you align the set, use plastic rather than metal tools.
This will prevent any short circuits and the danger of a
circuit becoming unstable.
2.4 Notes
•Measure the voltages and waveforms with regard to the
chassis (= tuner) ground (,), or hot ground (-), depending
on the area of circuitry being tested.
•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 (PAL) or 61.25 MHz (NTSC, channel 3).
•Where necessary, measure the waveforms and voltages
with ()) and without (*) aerial signal. Measure the
voltages in the power supply section both in normal
operation (+) and in standby (/). These values are
indicated by means of the appropriate symbols.
•The picture tube panel has printed spark gaps. Each spark
gap is connected between an electrode of the picture tube
and the Aquadag coating.
•The semiconductors indicated in the circuit diagram and in
the parts lists are completely interchangeable per position
with the semiconductors in the unit, irrespective of the type
indication on these semiconductors.
V
CL 26532098/042
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Directions for Use EN 5L01H.1A 3.
3. Directions for Use

Directions for Use
EN 6 L01H.1A3.
6
BAC K CONNECTORS
*W ARNING - RISK OF ELECTRIC SHOCK . DO NO T REMOVE THIS COVER.
- DONO T CONNECT TELEPHONE CABLE TO RJ11CONNECT OR.
Smart Card slot
For “Y”models
For “R”models
For “Z”models

Directions for Use EN 7L01H.1A 3.

Directions for Use
EN 8 L01H.1A3.

Directions for Use EN 9L01H.1A 3.

Directions for Use
EN 10 L01H.1A3.

Directions for Use EN 11L01H.1A 3.

Directions for Use
EN 12 L01H.1A3.
Personal Notes:

Mechanical Instructions EN 13L01H.1A 4.
4. Mechanical Instructions
Index:
1. Rear Cover Removal
2. Service Position Main Panel
3. Side I/O Panel Removal
4. Rear Cover Mounting
Note:
Figures can deviate slightly from the actual situation, due to
different set executions.
4.1 Rear Cover Removal
1. Remove all fixation screws of the rear cover.
2. Now pull the rear cover backward to remove it.
4.2 Service Position Main Panel
There are two configurations. With and without panel bracket.
Both have a different service position:
Main panel without bracket.
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. Disconnect the degaussing coil by removing the cable from
(red) connector 0201.
4. Turn the panel 90 degrees counter clockwise [3].
5. Flip the panel 90 degrees [4], with the components towards
the CRT.
6. Turn the panel with the rear I/O towards the CRT [5].
7. Slide the metal heatsink (near the mains transformer 5520)
underneath the right chassis bracket, so the panel is
secured [6].
Figure 4-1
Main panel with bracket.
1. Disconnect the strain relief of the AC power cord.
2. Disconnect the degaussing coil by removing the cable from
(red) connector 0201 [1].
3. Remove the panel bracket from the bottom tray, by pulling
it backward [2].
4. Turn the chassis tray 90 degrees counter clockwise.
5. Move the panel somewhat to the left and flip it 90 degrees
[3], with the components towards the CRT.
6. Turn the panel with the rear I/O towards the CRT.
7. Place the hook of the tray in the fixation hole of the cabinet
bottom [4] and secure it.
Figure 4-2
B
1
A
CL 16532016_007.ai
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3
6
45
1
1
2
A
CL 16532016_009.eps
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B
4
3
2
1

Mechanical Instructions
EN 14 L01H.1A4.
4.3 Side I/O Panel Removal
1. Remove the complete Side I/O assembly after unscrewing
the two fixation screws [1].
2. Release the 2 fixation clamps [2] and lift the board out of
the bracket.
Figure 4-3
4.4 Rear Cover Mounting
Before you mount the rear cover, perform the following checks:
1. Check whether the AC power cord is mounted correctly in
its guiding brackets.
2. Replace the strain relief of the AC power cord into the
cabinet.
3. Check whether all cables are replaced in their original
position.
CL 06532012_004.eps
030200

Service Modes, Error Codes and Fault Finding EN 15L01H.1A 5.
5. Service Modes, Error Codes and Fault Finding
Index:
1. Test points.
2. Service Modes.
3. Problems and Solving Tips (related to CSM).
4. Error Codes.
5. The Blinking LED Procedure.
6. Protections.
7. Repair Tips.
5.1 Test Points
The chassis is equipped with test points printed on the circuit
board assemblies. These test points refer to the functional
blocks:
Table 5-1 Test Point Overview L01
The numbering is in a logical sequence for diagnostics. Always
start diagnosing within a functional block in the sequence of the
relevant test points for that block.
Perform measurements under the following conditions:
•Service Default Alignment Mode.
•Video: colour 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, while the Customer Service
Mode (CSM) is used for communication between dealer and
customer.
Service Modes
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 when leaving SDAM
with “standby”key on remote control.
•To override SW protections.
•To perform alignments.
•To start the blinking LED procedure.
Specifications
•Tuning frequency:
–475.25 MHz for PAL/SECAM (AP-PAL)
–61.25 MHz (channel 3) for NTSC set (AP-NTSC)
•Colour system:
–PAL-BG for AP-PAL.
–NTSC M for PAL-NTSC
•All picture settings at 50 % (brightness, colour 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-favourite 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 System 7 remote control type T374AH (RC-
transmitter RG4172BK) and key in the code ‘062596’
directly followed by the ‘M’(menu) button or
•Short circuit jumper wires 9631 and 9641 on the mono
carrier (see Fig. 8-1) and apply AC power. Then press the
power button (remove the short circuit after start-up).
Caution: Entering SDAM by short circuiting wires 9631 and
9641 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.
After activating SDAM, the following screen is visible, with S at
the upper right side for recognition.
SDAM Menu
Figure 5-1
1. LLLL
This is the operation hours counter. It counts the normal
operation hours, not the standby hours.
2. AAAABC-X.Y
This is the software identification of the main micro
controller:
–A = the project name (L01H).
–B = the region: E= Europe, A= Asia Pacific, U= NAFTA,
L= LATAM.
–C = the feature and language:
–(Europe: 1 = Basic, Basic Plus and System, English,
French, German and Italian)
–(AP: 1 = Z, R and Y System, English, Malay and
Simplified Chinese)
Test point Circuit Diagram
A1-A2-A3-.. Audio processing A8, A9 / A11
C1-C2-C3-.. Control A7
F1-F2-F3-.. Frame drive A3
I1-I2-I3-.. Tuner & IF A4
L1-L2-L3-. Line drive A2
P1-P2-P3-.. Power supply A1
S1-S2-S3-.. Synchronisation A6
V1-V2-V3-.. Video processing A5
SW
cluster
SW name UOC-type Diversity
1AP1 L01HA1-x.y TDA9552/5 AP 1 page TXT
Abbreviations: H=Hotel, A= Asia Paci ic, 1=Z,R and Y system.
CL 16532108_005.pdf
120601
LLLL AAAABCD X. Y S
ERR XX XX XX XX XX
OP XXX XXX XXX XXX XXX XXXXXX
D E F L E C T I O N
OPT I ONS >
>
TUNER >
WH I T E T ON E >
GEOMETRY >
CL 26532029_001.eps
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Service Modes, Error Codes and Fault Finding
EN 16 L01H.1A5.
–X = the main software version number.
–Y = the sub software version number.
3. S
Indication of the actual mode. S= SDAM= Service Default
Alignment mode.
4. Error buffer
Five errors possible.
5. Option bytes
Seven codes possible.
6. Deflection
To set the deflection values. See chapter 8.3.2 for a
detailed description.
7. Options
To set the Option Bytes. See chapter 8.3.1 for a detailed
description.
8. Tuner
To align the Tuner. See chapter 8.3.3 for a detailed
description.
9. White Tone
To align the White Tone. See chapter 8.3.4 for a detailed
description.
10. Geometry
To align the Geometry. See chapter 8.3.5 for a detailed
description.
How to navigate
Use one of the following methods:
•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 key in a submenu, you will
return to the previous menu.
How to store settings
To store settings first go back to the main menu (fig. 5-1) with
“MENU”button on the remote control and leave the SDAM with
the “STANDBY”button on the remote control.
How to exit
Switch the set to STANDBY by pressing the power button on
the remote control transmitter. The error buffer is cleared. (If
you switch the set 'off' by removing the AC power, the set will
return in SDAM when AC power is re-applied and the error
buffer will not be cleared.)
5.2.2 Customer Service Mode (CSM)
Purpose
When a customer is having problems with his TV-set, he can
call his dealer. The service technician can than ask the
customer to activate the CSM, in order to identify the status of
the set. Now, the service technician can judge the severness of
the complaint. In a lot of cases he can advise the customer how
to solve the problem, or he can decide if it is necessary to visit
the customer.
The CSM is a read only mode, therefore modifications in this
mode are not possible.
How to enter
To enter the CSM by pressing RECALL on the System 7
remote control RG4172BK.
After switching ON the Customer Service Mode, the following
screen will appear:
CSM Menu
Figure 5-2
1. Software identification of the main micro controller (see
paragraph 5.2.1 for an explanation).
2. Error code buffer (see paragraph 5.4 for more details).
Displays the last five errors of the error code buffer.
3. In this line, the Option Bytes (OB) are visible. Each Option
Byte is displayed as a decimal number between 0 and 255.
The set may not work correctly when an incorrect option
code is set. See chapter 8.3.1 for more information on the
option settings.
4. Indicates which color and sound system is installed for the
selected pre-set.
5. Indicates if the set is not receiving an IDENT signal on the
selected source. It will display NOT TUNED.
6. Indicates if the sleep timer is enabled.
7. Value indicates parameter levels at CSM entry.
CO= CONTRAST, CL= COLOR, BR= BRIGHTNESS, HU=
HUE, SH= SHARPNESS
8. Value indicates parameter levels at CSM entry.
VL= VOLUME LEVEL, BL= BALANCE LEVEL
9. Value indicates parameter levels at CSM entry (only for
stereo sets).
TR= TREBLE, BS= BASS
10. Mode Commercial = Hotel / Institutional mode or mode
Consumer. Smartport. Indicates whether the Smart Port is
selected or not.
11. Program NO. TV. Indicates to what channel the TV is
tuned.
How to exit
Use one of the following methods:
•Press any button of the remote control transmitter keys.
•Press RECALL on a System 7 remote control (the RC-
transmitter RG4172BK).
•Switch-off the TV set with the AC power switch.
5.3 Problems and Solving Tips (Related to CSM)
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 colours / noise in picture
Check CSM line 4. Wrong colour system installed. To change
the setting:
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.
Colours not correct / unstable picture
Check CSM line 4. Wrong colour system installed. To change
the setting:
1. Press the MENU button on the remote control.
1AAAABCX.Y CSM
2 CODE XX XX XX XX XX
3 OP XXX XXX XXX XXX XXX XXX XXX
4 DETECTED SYSTEM DETECTED SOUND
5NOTTUNED SKIPPED
6TIMER
7
8CO XX CL XX BR XX HU XX SH XX
9
VL XX BL XX
DV XX
10
T
COMMERCIAL / CONSUMER SMARTPOT ON / OFF
11 CHANNEL NO. XXX
RXX BSXX
CL 26532029_002.eps
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Service Modes, Error Codes and Fault Finding EN 17L01H.1A 5.
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
Check CSM line 5. If this line indicates Not Tuned check the
following:
•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 when the volume is OK
after you switched on the CSM. The new Personal preference
value is automatically stored.
5.4 Error Buffer
The error code buffer contains all detected errors 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 written at the left side and all other errors shift one
position to the right.
5.4.1 How to Read the Error Buffer
Use one of the following methods:
•On screen via the SDAM (only 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 first detected and
error code 9 is the last detected (newest) error
•Via the blinking LED procedure (when you have no
picture). See next paragraph.
5.4.2 How to Clear the Error Buffer
The error code buffer is cleared in the following cases:
•When you exit SDAM or CSM with the STANDBY
command on the remote control (when leaving SDAM, by
disconnecting the set from AC power, the error buffer is not
reset).
•If the content of the error buffer has not changed for 50
hours, it resets automatically.
5.4.3 Error Codes
In case of non-intermittent faults, clear the error buffer before
you begin the repair. This to ensure that old error codes are no
longer present.
If possible, check the entire contents of the error buffer. In
some situations, an error code is only the result of another error
code and not the actual cause (e.g., a fault in the protection
detection circuitry can also lead to a protection).
Table 5-2 Error Code Table
Note: Error 7 is Not applicable, Due to ASD issue.
ERROR Device Error description Def. item Diagram
0 Not applicable No Error
1 Not applicable X-Ray Protection (USA) 2465, 7460 A2
2 Not applicable Horizontal Protection 7460, 7461, 7462, 7463, 6467 A2
3 TDA8359/TDA9302 Vertical Protection 7861, VloAux +13v A2, A3
4 MSP34X5/TDA9853 MAP I2C identification error 7831, 7861 A9 or A11
5 TDA95XX POR 3.3V / 8V Protection 7200, 7560, 7480 A1, A2. A5, A6, A7
6 I2C bus General I2C bus error 7200, 3624, 3625 A7
7 Not applicable - - -
8 Not applicable E/W Protection (Large Screen) 7400, 3405, 3406, 3400 A2
9 M24C08 NVM I2C identification error 7602, 3611, 3603, 3604 A7
10 Tuner Tuner I2C identification error 1000, 7482 A2, A4
11 TDA6107/8 Black current loop protection 7330, RGB amps, CRT B1, B2
12 M65669 MAP I2C identification error (USA) 7803 P

Service Modes, Error Codes and Fault Finding
EN 18 L01H.1A5.
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.
Go into the SDAM menu with one of the following methods:
•‘062596 M’, on a System 7 remote control (the RC-
transmitter RG4172BK).
•Short wires 9631 and 9641 on the mono carrier and apply
AC power. Then press the power button (remove the short
after start-up).
As soon as you are in SDAM the blinking LED procedure will
start.
Error-codes are shown as follows:
•n short blinks (n = the number of n indicates the error code
number.),
•a pause of 1,5 s,
•n short blinks (for the next error),
•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 1,5 s,
•9 short blinks followed by a pause of 1,5 s,
•6 short blinks followed by a pause of 1,5 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) or the
blinking LED procedure.
To get a quick diagnosis the chassis has two service modes
implemented:
•The Customer Service Mode (CSM).
•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 hiccuping sound
‘MainSupply’is available. Hiccuping stops when de-
soldering L5561, meaning that problem is in the
‘MainSupply’line. No output voltages at LOT, no horizontal
deflection. Reason: line transistor TS7460 is defective.
•Set is dead, and makes no sound
Check power supply IC7520. Result: voltage at pins 1, 3, 4,
5 and 6 are about 180 V and pin 8 is 0 V. The reason why
the voltage on these pins is so high is because the output
driver (pin 6) has an open load. That is why MOSFET
TS7521 is not able to switch.
Reason: feedback resistor 3523 is defective.
Caution: be careful measuring on the gate of TS7521;
circuitry is very high ohmic and can easily be damaged!
(first connect measuring equipment to ground, then to the
gate).
•Set is in hiccup mode and shuts down after 8 s
Blinking LED (set in SDAM mode) indicates error 5. As it
is unlikely that uP, POR and +8V protection happen at the
same time, measure the +8V. If this voltage is missing,
check transistor TS7480.
•Set is non-stop in hiccup mode
Set is in over current mode; check the secondary sensing
(opto coupler 7515) and the MainSupply voltage. Signal
Stdby_con must be logic low under normal operation
conditions and goes to high (3.3 V) under standby and fault
conditions.
•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:
resistor 3460 is defective.
•Set turns on, but with a half screen at the bottom.
Sound is okay
Blinking LED (set in SDAM mode) indicates error 3. Check
Vlotaux+13V and +50V. If they are okay, problem is
expected in the vertical amplifier IC7471. Measure with a
scope the waveform on pin 17 of the UOC. Measure also
at pin 1 of IC7471. If here the signal is missing, a defective
resistor R3244 causes the problem.

Block Diagram, Testpoints, I2C, and Supply Voltage Overview 19L01H.1A 6.
6. Block Diagram, Testpoints, I2C, and Supply Voltage Overview
Block Diagram
POWER SUPPLY 0212
43
2
2
3
4
18
17
16
15
14
13
5
8
9
1
3504
CL 26532029_009.eps
010302
P1
L13
I1
I2
P2
P3
P5
V10
I3
I4
P4
V9
C4
C5
C2
A1
C1
0265
SDA
SCL
0211
0001
150-250V
SINGLE RANGE
90-276V
FULL RANGE
2
1
5201
5001
FM-RADIO
TUNER
+
TV TUNER
3543
5562
3001
3000
3564
2564
3213
3251
3404
7400
STP3NC60FP
3405
7444
3259
EHT INFO
SANDCASTLE
H FLYBK
2254
3242
N.C.
3247
5604 3611
36033604
3625
3624
56035602
2203
3544
TO
1251
UIR/LS
3558
7560
2567
7561, 7562
7564
6001
BZX79-C33
6520
2521
A1
FRONT INTERFACE PANEL
(ONLY FOR WIDE SCREEN)
Q
MAINS HARMONIC (FOR 29" ONLY)
U
EPS 4B (EXTERNAL POWER SUPPLY) (FOR SYSTEM SETS ONLY)
F
SYNCHRONISATION
A6
TILT & ROTATION
(ONLY FOR WIDE SCREEN)
A15
LINE DEFLECTION
A2
FRAME DEFLECTION
A3
TUNER IF
A4
SIDE AV
E/E1 FRONT I/O (OPTIONAL) A12
A10
A5
A7
UIR/LS
HINTERFACE (FOR SYSTEM SETS ONLY) J
A7
A7
VIDEO IF, SOUND IF
A5
A5
A5
CRT
B1 SCAVEM B2
A8
A9
A2
A7
A2
A2
Degaussing
Coil
t
1515
5520
7580
7520
TEA1507
DRAIN
DRIVER
SENSE
DEMAG
VCC
CTRL
CONTROL
IC
ENERGIZING
CIRCUIT
AC
DC
6500
GBU6J
5500 :
5502
0231
MAINS
SWITCH
1000 6, 7 9
1
2
11
FM
VIF_1
VIF_2
SIF1
SIF2
RF_AGC
1
12
11
N.C.
N.C.
10
1
2
3
4
0211 0212
0231
MAINS
SWITCH
1500
T4E
1000 5000
0002 0213
0211
MAINS
FILTER
4A
2503
6561
6562
AUDIO SUPPLY GND
MAIN AUX
POWER DOWN
VLOTAUX +13V
VLOTAUX +5V
VT_SUPPLY
V
(for wide screen
only)
A
B
C
P6
5560 5564 5561
6560 140V
MAIN SUPPLY
2561
1
2
3
0251
POWER
DOWN
CIRCUIT
12V
+3.3V
+3.9V
MAIN AUX_FB
+8V
+8V
VDEFL
A7
I
STDBY_CON
HOT GROUND
HOT GROUND
COLD GROUND
COLD GROUND
7540, 6540
REFERENCE
CIRCUIT
7541, 7542
STANDBY
CIRCUIT
7515
TCET1103
3532
3525
3523
3526
7521
STP7NB60FP
8
6
5
3522
3528
4
3
1
D
S
G
VT
AGC
5
SEL-IF-LL-M-TRAP
A7
A2
A6
A5 A6
A2
A2
4
IF
FM
0251
6
10
18
38
7206
3230
3208
7201
MONO/AM_
MONO_SOUND
33
48
19
22
23
24
L1-IN
LFRONT-IN
28 29
7001
7002
FILTER
SELECTION
FMR QSS_AM_DEM_OUT
AUDIO CARRIER
FILTERS
7200-A
TDA95XX
1002
1003
1004
VIDEO
IF
AGC
VIDEO
PLL
DEMOD.
VIDEO
AMPLIFIER
SOUND
FM-DEMOD.
DE-EMPH. AUDIO
SWITCH
SOUND
AMPL.
+ AVL
QSS
SOUND
IF + AGC
QSS MIXER
AM DEMOD.
S2
L1
F1
F2
L4
F3
L6
L7
L5
V5
L8
L10
L9
S1
11
30 H DRIVE
V DRIVE+
V DRIVE-
V DRIVE+
V DRIVE-
H
V
9
17
31
34
7200-D
TDA95XX
H-DRIVE
2nd LOOP
H-SHIFT
TXT/OSD
DISPLAY
16
H/V SYNC
SEPARATOR
H-OSC
+PLL
40
47
1200
5.5MHz
1201
6MHz
A13
J
A10 SY-CVBS-IN 44
A13
A10
A10 A12
A5
A5
A10
A10
CVBS1-IN 42
EW
+
GEOMETRY
SHORT
CIRCUIT AND
TEMPERATURE
PROTECTION
VIDEO IDENT
7200-C
TDA95XX
I/O
SWITCHING
Y-DELAY
EHT INFO
PROC. EHT INFO
R-Y
B-Y
U
V
R
G
B
R
G
B
56
57
58
55
Y
VIDEO
FILTERS
RGB
MATRIX
RGB
INSERT
BLACK
STRETCH
WHITE
STRETCH
RGB
CONTROL
OSD TEXT
INSERT
BLUE
STRETCH
WHITE-P.
ADJ
VIDEO
IDENT
L3
V
L
R1
0219
6
3
1
1251
1
2
3
MONO
V
L
R
CVBS-FRONT-IN
L-FRONT-IN
R-FRONT-IN
A
B
C
STEREO
A2
A1
A14 A4
A4
A7
A8
A9
A14
A12
AUDIO AMPLIFIER
A8
HEADPHONE
A12 FRONT CONTROL A12
FRONT CONTROL
(FOR 29" ONLY)
Q
LS PART
H
E/E1
CONTROL
A7 +3.3V
36063607
+3.9V
+3.3V
A10
A9
A8
A7
A11
A6
3833
3834 2847
A13
NICAM, 2CS, BTSC (STEREO DECODER)
A9
7831
MSP34X5G
QSS-AM-DEM-OUT
FMR 47
A5
MONO/AM-MONO-SOUND
7834
7835
6692
TSOP1836
6692
TSOP1836
MAIN-OUT-L
44
A10 SC1-L IN 41
A10 SC1-R IN 42
A7 SDA 8
A7 SCL 7
25
4
A13
30 R OUT
L OUT
A5
A5
A7
MONO/AM-
MONO-SOUND
31
MAIN-OUT-R
24
51
52
DEMODULATOR
NICAM, 2CS,
BTSC, AM, FM
3832
ERR
10
ERR
7
1831
18M432
63
1660
12MHz
64
65
74
75
76
77
DATA-OUT/SDA
POR
DATA-IN
CLOCK
SCL
7901 AN7522N (STEREO)
7902 AN7523N (MONO)
62 L+
L
8
9
MONO/
AM-MONO-
SOUND
VOLUME MUTE
A5 1
MAINAUX_FB
ERR
7
7209, 7210
FM RADIO
PRE-AMPL.
0280
A2
4L-
A3
10 R-
A4
12 R+ R
L
R
4
3
2
1
0278
3
2
1
0255
4
3
2
1
L+
L-
R-
R+
L+
L-
R-
R+
SIDE AV OR
FRONT INTERFACE
Q
L+
L-
R-
R+
L+
L-
R-
R+
0254
1
2
3
4
1246
Spk+
Spk- 1
2
2U2
4
1
5
0267
0246
1
2
3
4
5
1259
1259
VIDEO
TO
0240
CONTROL
A7
F
TO
0228
EPS 4B
32 PIN SMART CARD CONNECTOR
AUDIO
DATA
CONTROL
1
2
3
4
5
6
7
8
9
DATA-OUT
DATA-IN
Clock
U1
Data-in
+5V
Data-out
Ground
IR-Data
RJ11
CLOCK
IR-OUT
+5V
9P
DCM_DISABLE
1
2
3
4
5
6
0240
0228
1
2
3
4
5
6
7
POR
DATA-OUT/SDA
DATA-IN
CLOCK
SCL
NC
SUPPLY
0240
1
2
3
4
5
6
7
78
OR
SDA
SCL
COMPAIR
CONNECTION
(FOR SERVICE)
IR
IR
STATUS1
LED
6901
3.3V
KEYBOARD-
_PROTN
EW-
PROTECTION
BATHROOM
SPEAKER
CONNECTION
7606
7200-B
TDA95XX
I/O
VST
PWM-
DAC
ROM
RAM
CPU
OSD
TELETEXT
DISPLAY
IIC
BUS
TRANSCEIVER
I/O
PORTS
67
68
72
71
3
8
76
5
66 61 59
1
POWER DOWN 69
LED 5
80
IR
LOCAL
KEYBOARD
KEYBOARD-
PROTN
3908
7602
M24C08
EEPROM
(NVM)
SDA
SCL
SEL-IF-LL-M-TRAP
A10
A15
70 SEL-MAIN-FRONT-RR
A1
H
J
6STANDBY-CON
A2
78 BASS PANORAMA
77 TREBLE-BUZZER-HOSP-APP
A8
73 VOLUME/MUTE
SDA
SCL
5241 +8V VLOTAUX +13V
VLOTAUX +50V
VDEFL
MAIN AUX
R-V-IN
02450243
1
R
G
B
2
3
5
6
9641
9631
SDM
TILT
1/10
PAGES
MEMORY
TELE
TEXT
CVBS SYNC
SCAVEM
PROC
SCAVEM
COIL
+
R
H+V
G
B
BL
COR
PAL/NTSC
SECAM
DECODER
BASE
BAND
DELAY
EHT INFO
A2
A7
A2
A2
A7
A1
EHT o
A2
A7
J
V-DRIVE
+
GEOMETRY
3244
S3 L2
3249
S4
EW DRIVE/
EWD-DYN
BASS_PANORAMA
15 3250
OUT-
IN-
5
3
6
7
2
48
1
IN+ OUT+
S5
L14
VLOTAUX +13V VLOTAUX +50V
MAIN SUPPLY
140V
6467
BAV70
7462
7460
BU4508DX
3493
3481
3482
3484
7461
7463
DRIVER
STAGE
7471
TDA8359J
FRAME
OUTPUT
5461
LINE
OUTPUT
CIRCUIT
only for sets with E/W correction
only for sets with panorama
EW drive/EWD_dyn
L3
D
S
G
3487
3222
3201
3334
3332
3336
3202
3203
3204
3235
3466
3489
7331
3371 7360 - 7367
3379
3386
7332
1400 2454
1
43
2
7
9
4
E/W
CIRCUIT
E/W PROTECTION
0221
1
2
HOR.
DEFL.
COIL
0222
1
2
VERT.
DEFL.
COIL
F4
1
3
5
6
2
V1+
VP
VOA
VM
VOB
V1-
5472
5471
3479
3471
VGUARD
CIRCUIT VGUARD
6470
0268
1
3
ROTATION
COIL
5451
5445
3
1
FOCUS VG2
EHT
0220
0244
12345
ABC D
10
6
EHT INFO
A4
A2
EW DRIVE/EWD_DYN
34693480
H FLYBK
VIDEO SUPPLY
A3
VGUARD A5
BLK-IN
A1
POWER-DOWN
EHT o
200V
VT_SUPPLY
FILAMENT
A
B
D
C
5
11
6485
7
12
8
9
6488
6487
3494
3362
VLOTAUX +50V
VLOTAUX +13V
VLOTAUX +5V
+8V
3488
3451
3460
3455
3446 7441
7443, 7450
3452
5480
6486
6447
2444
PROT
CIRCUIT
PROT
CIRCUIT
3447
7480
3450
7482
A2
BLK-IN
BLK BLK
V-OUT
G-Y-IN
B-U-IN
FBL-1
51 52 53 50 54
7204
V6
V7
V9
V12
V11
V13
V14
V15
V16
1
2
3
44
5
6
7333
7330
TDA6107Q
2
1
3
8
5
9
7
R
G
B
EHT-INFO
Filament
+200VA +13V
+200VA
+13V
3340
2340 12345
3341
3342
OSD
R
G
B
CRT
25kV
FOCUS
EHT
VG2
8
6
11
10 9 5 7 1
OR
OR
OR
INPUT
SWITCHING
ERR
4
TV
FM
7943
FOR MONO SETS
0165 AQUADAG
ERR
9
ERR
6
ERR
11
ERR
3
ERR
2
ERR
8
5205
ERR
5
ERR
2
AUDIO/VIDEO SOURCE SWITCHING
A10 7801
HEF4052BT
A7
SEL_MAIN_FRNT_RR 9
A9
A12 L-FRONT-IN SC1-LIN
SC1-R IN
1
JL1-IN
7803
7804
5
A12 R-FRONT-IN 12
JR1-IN 14
3
13
SWITCH
LOGIC
INTERFACE
CIRCUITS
A9
7802
HEF4053BT
A7
J
SEL_MAIN_FRNT_RR 9
A5
CVBS-FRONT-IN SY-CVBS-IN
5
Y-CVBS-IN 3
4
LOGIC
VLOT AUX +13V
VCC
7171
TDA8941P
TILT VCC
3173
2172
3174
AC
IC1
BR1
D5
1
D4
IC4
CR3
CR4
CR1
CR2
DR3 IC5
HOT COLD
T1
1
2
5
B
C
+3V3
GND TO
0228
INTERFACE
+12V
GND
+5V
A
4
IC2 IC3
DC
CONTROL
0228
5
4
3
2
1
LOCAL
KEYBOARD
KEYBOARD-
PROTN
LED
6601
3.3V
OR
REAR I/O CINCH
A14
OR
OR
TO
1259
UIR/LS
TO
0240
INTER-
FACE
OR
5x
TO
0240
CONTROL
OR
A1
TO
0251
POWER
SUPPLY
INTERFACE
CIRCUIT
STBY
MAIN-AUX
A5
V
V-OUT
A9
LSC1 L-OUT
A9
RSC1 R-OUT
7101
VCVBS1-IN
LL1-IN
RR1-IN
AV1
INPUT

20L01H.1A 6.
Block Diagram, Testpoints, I2C, and Supply Voltage Overview
Wiring Diagram
0231
0212
C
CL 26532029_004.eps
200202
A
D
B
5445
LOT
Focus
Screen
VG2
5520
0240
0267 0268
7602
ComPair
1004
1002
1000 (TUNER)
9631
7P
9641
SDM
0231
RIGHT
LEFT
0211
0228
2P
0213
2P
3P
0214
5P
0259
5P
0251
4P
0239
3P
0246
5P
0229
3P
0242
10P
0211
2P
0212
2P
0214
5P
0255
4P
0215
3P
0215
3P
0211
2P
1259
9P
0259
5P
0251
4P
0219
6P
0280
4P
0217
6P
0242
7P
0227
6P
0236
3P
0227
6P
0217
4P
0228
5P
0240
7P
0237
4P
0255
4P
0251
3P
12461251
3P3P
0254
5P
1259 9P
0259
5P
EPS 4B PANEL
TOP CONTROL
TOP CONTROL FRONT INTERFACE PANEL F
INTERFACE PANEL J
T
EE1
T1
Q1 Q
UIR/LS MODULE H
ORSIDE AV
0254
5P
0253
3P
RIGHT
LEFT
+
IN CASE NO FRONT INTERFACE PANEL
FOR /R VERSION PRO BASIC