Philips L01.2A AA Service Manual

Colour Television Chassis

L01.2A

(SMALL SCREEN)

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 19

5. Service Modes, Error Codes and Faultfinding 20

6. Block Diagram, Testpoints, I

Voltage Overview

Block Diagram 27 Testpoint Overview 28

C And Supply Voltage Overview 29

7. Electrical Diagrams and PWB’s Diagram PWB Power Supply (Diagram A1) 30 43-48 Line Deflection (Diagram A2) 31 43-48 Frame Deflection (Diagram A3) 32 43-48 Tuner IF (Diagram A4) 33 43-48 Video IF and Sound IF (Diagram A5) 34 43-48 Synchronization (Diagram A6) 36 43-48 Control (Diagram A7) 37 43-48 Audio Amplifier (Diagram A8) 38 43-48 BTSC (Stereo/SAP) Decoder (Diagram A9) 39 43-48 Audio/Video Source Switching (Diagram A10) 40 43-48 Front I/O + Control, Headphon (Diagram A12) 41 43-48 Rear I/O Cinch (Diagram A13) 42 43-48 CRT Panel (Diagram B) 49 50 Side AV (Diagram E) 51 51 Side AV and Headphone Panel (Diagram E1) 52 52

8. Alignments 53

9. Circuit Description 59 List of Abbreviations 68

10 Spare Parts List 70

C And Supply

CL 16532008_041.eps

160501

Copyright 2001 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

Published by RB 0168 Service PaCE Printed in the Netherlands Subject to modification



3122 785 11160

GB 2 L01.2A1.

Technical Specifications, Connections and Chassis Overview

1. Technical Specifications, Connections and Chassis Overview

Index:

1. Technical Specifications.

2. Connections.

3. Chassis Overview.

Note:

• Below described specifications are not valid for one product, but 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

: PAL B/G, D/K, I : SECAM B/G, D/K,

Sound systems : FM-mono

1.2 Connections

1.2.1 Front (or Side) Connections and Front (or Top) Control

A/V connections : NTSC 3.58, 4.43

: FM-stereo

:PAL 60

Channel selections : 100 channels

: U, V, S, H

Aerial input : 75 W, IEC-type

1.1.2 Miscellaneous

Audio output : 1 x 4 W or,

: 2 x 3 W or, : 2 x 5 W + 10 W (sw)

+ 2 x 3 W

Mains voltage : 90 - 276 V or,

: 150 - 276 V

Mains frequency : 50 Hz or,

:60 Hz Ambient temperature : + 5 to + 45 deg. C Maximum humidity : 90 % Power consumption : 36 W (14”) to

:52 W (21”) Standby Power consumption : < 3 W

RED

A/V In (if present)

1 - Video CVBS (1 Vpp / 75 W) 2 - Audio L (0.2 Vrms / 10 kW) 3 - Audio R (0.2 Vrms / 10 kW) 4 - Headphone (8 - 600 W / 4 mW)

V- C+C-V+

- VOLUME +

- PROGRAM +

Figure 1-1

   

C+C-V+V-

P+

P-

Mono

Video

Audio

V+V-

CL 16532016_020.eps

220501

Technical Specifications, Connections and Chassis Overview

GB 3L01.2A 1.

1.2.2 Rear Connections

75 Ohm

MONITOR

OUT

Figure 1-2

Monitor Out

1 - Video CVBS (1 Vpp / 75 W) 2 - Audio L (0.5 Vrms / 1 kW) 3 - Audio R (0.5 Vrms / 1 kW)

1.3 Chassis Overview

AV1

YUV In (if present)

1 - Y 0.7 Vpp / 75 W 2 - U 0.7 Vpp / 75 W

AV2

R SVHS

CL 16532008_005.eps

120601

3 - V 0.7 Vpp / 75 W

AV1 In

4 - Video CVBS (1 Vpp / 75 W) 5 - Audio L (0.5 Vrms / 10 kW) 6 - Audio R (0.5 Vrms / 10 kW)

AV2 In

1 - Video CVBS (1 Vpp / 75 W) 2 - Audio L (0.5 Vrms / 10 kW) 3 - Audio R (0.5 Vrms / 10 kW)

  

AV2 In (SVHS)

1 - gnd 2 - gnd 3 - Y 1 Vpp / 75 W 4 - C 0.3 Vpp / 75 W

CRT PANEL

  



  

SIDE AV PANEL + HEADPHONE

SIDE AV PANEL

MAIN

CHASSIS

PANEL

POWER SUPPLY

LINE DEFLECTION

FRAME DEFLECTION

TUNER IF

VIDEO + SOUND IF

SYNCHRONISATION

CONTROL (µP)

AUDIO AMPLIFIER

NICAM + 2CS +

BTSC DECODER

A/V SWITCHING

HEADPHONE + FR. CONTROL

REAR I/O CINCH

CL 16532008_043.eps

A10

A12

A13

240801

Figure 1-3

GB 4 L01.2A2.

Safety & Maintenance Instructions, Warnings, and Notes

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 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 MW and 12 MW.

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.



, should

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).

CL 26532098/042

140792

Figure 2-1

• All ICs and many other semiconductors are susceptible



to electrostatic discharges (ESD) 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.

. Careless handling

2.4 Notes

• Measure the voltages and waveforms with regard to the chassis (= tuner) 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



) and without () aerial signal. Measure the

with ( voltages in the power supply section both in normal operation ( 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.



) and in standby (). These values are



), or hot ground (),

3. Directions for Use

You can view the playback of VCR tapes (Video Disc players, camcorders, etc.) by using the AUDIO

and VIDEO INPUT sockets on the rear of the TV.

– Connect the VIDEO and AUDIO IN sockets on the rear of the TV to the AUDIO and

VIDEO OUT sockets on the VCR.

The S-Video connection on the rear of the TV is used for the playback of S-VHS VCR tapes, Video Discs,

Video Games or Compact Disc-Interactive (cd-i) discs. Better picture detail and clarity is possible with

the S-Video playback as compared to the picture from a normal antenna (RF) connection.

– Connect the S-VIDEO socket on the rear of the TV to the S-VHS OUT socket on a

S-VHS VCR.

– Connect the AUDIO IN sockets from the rear of the TV to the AUDIO OUT sockets

on the VCR. Note : You need not connect the VIDEO IN socket of the TV if S-VIDEO IN

socket is connected.

ONNECTING

THE

UDIO

IDEO

OCKETS

LAYBACK

)

ANTENNA

OUT

AUDIO RL

VIDEO

OUT

S-VIDEO

VIDEO

AUDIO

AV1

AV2

Monitor

out

Back of VCR

VCR (Equipped with

Video and Audio

Output sockets

AV sockets on

rear of TV

ANTENNA

OUT

AUDIO RL VIDEO

OUT

S-VIDEO

VIDEO

AUDIO

AV1

AV2

Monitor

out

Back of S-VHS VCR

AV sockets on

rear of TV

Directions for Use

GB 5L01.2A 3.

¬¬

compartment.

on the backcover.

Antenna Connection

• Connect the aerial plug to the antenna socket

• Insert the mains plug into the wall socket.

75 Ω

REPARATION

the rear of the TV set

Note : This diagram is not representative of the

Mains Connection

• For correct mains voltage, refer to type sticker at

• Consult your dealer if mains supply is different.

actual plug and socket.

Switching on the Set

• Press the main power button to switch on/

control to switch on set.

off the TV.

press the Powe r button on the remote

• If the set is on standby (indicator is red),

Using the Remote Control

• Insert the correct type of batteries into the

direction.

• Ensure the batteries are placed in the right

–

GB 6 L01.2A3.

& Power button

– Switch set off temporarily to standby mode.

(The red light indicator lights up when the set

is on standby mode).

– To switch on set from standby mode, press

Channel +/– , Digit (0 -9) or Power button.

é Teletext Colour/Personal Zapping buttons

– In teletext mode, the colour buttons allow you to

access directly an item or corresponding pages.

– As Personal Zapping buttons, you can surf up to

10 personal channels for each button. For detailed

description of functions, refer to section on

“Personal Zapping ”.

“ Teletext buttons

Allows you to access teletext information. For

detailed description of functions, refer to section

on “Using the Teletext”

‘ Smiley button

Allows to add and store your personal preference

channels in your Personal Preference list. For

detailed description of functions, refer to section

on “Using your Personal Zapping feature”.

( Timer Button

Allows you to set the clock to switch to another

channel at a specified time while you are watching

another channel or when the set is on standby mode.

§ Smart Sound Button

Press the Smart Sound button repeatedly to

access 4 different types of sound settings and

choose your desired setting.

è Menu Button

Displays the main menu. Also exits menu from screen.

! Cursor Up Button

Allows you to select the next item on the menu.

ç Cursor Left Button

Allows you to select the sub-menus and adjust the settings.

0 Volume + / – Button

Increases or decreases volume.

Allows you to switch from Stereo to Mono sound during

stereo transmission or to choose between language5or

language6during dual sound transmission.

2 A/CH(Alternate channel) Button

Allows you to change between the current

channel and the previous channel.

UNCTIONS

EMOTE

ONTROL

“

(

0‘1é2

Directions for Use

)

ECORDING

OCKETS

IDEO

UDIO

THE

ONNECTING

Connection for recording from the TV channel

AV sockets on

rear of TV

VIDEO

S-VIDEO

AUDIO

AV2

AV1

out

Monitor

VCR (Equipped

OUT

with Video and

Audio Input

sockets

AUDIO

VIDEO

ANTENNA

Back of VCR

system instead of the VCR. For mono equipment, connect only the AUDIO L socket.

sockets on the rear of the TV.

– Connect the corresponding INPUT sockets of the VCR to the MONITOR OUTPUT

– To enhance the sound of your TV, connect the AUDIO L and R sockets to an external audio

Connection for recording from one VCR to another VCR

OUT

AUDIO

OUT

VIDEO

OUT

ANTENNA

S-VIDEO

AV2

AV1

Monitor

AV sockets on rear of TV

VIDEO

AUDIO

OUT

AUDIO

OUT

VIDEO

out

OUT

ANTENNA

VCR (Equipped

with Video and

Audio Output

sockets

VCR (Equipped

with Video and

Audio Input

sockets

Back of VCR

sockets at either AV1 or AV2

rear of the TV.

– Connect the sockets of the VCR which you wish to record from, to the corresponding

– Connect the sockets of the receiving VCR to the MONITOR OUTPUT sockets on the

Directions for Use

& Mains Power button Switch mains power on or off.

é Standby light indicator Indicate red light when standby mode is activated.

“ Remote Sensor Acts as a sensor for activating the controls of the

TV when remote control handset is aimed at it.

‘ Headphone socket Connect headphone jack to socket for personal

listening.

( Volume 8/9 buttons Adjust sound volume softer/louder.

§ Channel 7 / 6 buttons Select channel in descending/ascending order.

Note

• You can enter the main menu by pressing both the Volume 8 and 9 buttons at the

same time.

• Press the 7 or 6 button to select the next item on the menu.

• Press Volume 8 or 9 button to access sub-menu and adjust the settings.

é“ ‘ ( §

VOLUME

CHANNEL

INSTALL /

FUNCTIONS

CONTROLS

➩

GB 7L01.2A 3.

ONTROL

EMOTE

UNCTIONS

In teletext mode, press button to return to the

3 Main Index Button

main index page.

Allows to delete stored personal preference

4 Frownie button

channels in your Personal Preference list. For

detailed description of functions, refer to section on

“Personal Zapping ”.

5 Smart Picture Button

Press the Smart Picture button repeatedly to

access 5 different types of picture settings and

choose your desired setting.

when transmission is in stereo mode.

61Incredible Surround Button

– Allows you to select Incredible Surround sound

Allows you to access the sub-menus and adjust

the settings.

transmission is in mono mode.

– Allows you to select Spatial Sound when

71\Cursor Right Button

Allows you to select the next item on the menu.

Allows you to select channels in ascending or

descending order.

Mutes sound. To restore sound, press button again.

Refer to section on “Using the Teletext”

Allows you to display the current channel number.

It also allows to exit menu from the screen after

8 Cursor Down Button

9 Channel + / – Buttons

20 Mute Button

21 Teletext Button

22 OSD button

control adjustments.

Press to select a channel. For a 2-digit channel

23 Digit (0 -9) Buttons

Allows you to select the AV channels.

number, press the first digit and followed

immediately by the second digit.

Allows you to select a time period after which the

24 A/V Button

25 Sleeptimer Button

setwill switch to standby mode automatically.

GB 8 L01.2A3.

UTOMATIC

UNING

HANNELS

Automatic tuning of channels allows you to store each programme automatically.

Enter main menu.

Press button repeatedly until

Install is selected.

Enter install menu.

Select Auto Store.

Start automatic tuning of

channels.

When tuning is completed,

exit menu from screen.

Main o

✔ Picture π Brightness

■

Sound Colour■Features Contrast

■

Install Sharpness

Colour Temp.

More...

Main o

■

Picture Language

■

Sound Auto Store

■

Features Manual Store

✔ Install π Sort

Channel Edit

Name

Install o

✔ Language π English

■

Auto Store

■

Manual store

■

Sort■Channel Edit

■

Name

Install o

■

Language

✔ Auto Store π

■

Manual store

■

Sort■Channel Edit

■

Name

Auto Store

■

Channel 1■TV 142 MHz

♦♦♦♦♦♦♦♦♦♦♦♦♦♦π♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦

Install o

■

Language

✔ Auto Store π

■

Manual store

■

Sort■Channel Edit

■

Name

Step

Result on TV Screen

Press button

Directions for Use

ANGUAGE

ENU

THE

ELECTING

Operating instructions generally explains the operation of the TV

Result on TV Screen

Press button

set using the buttons on the remote control unless otherwise stated.

Please read the following instructions carefully and follow the steps

as shown to familiarise yourself with the installations and all features

available in your set.

desired language.

Step

The Language feature allows you to set the TV’s on-screen menu to be shown in your

Main o

Enter main menu.

Colour Temp.

Sound Colour■Features Contrast

Install Sharpness

✔ Picture π Brightness

■

More...

Channel Edit

Picture Language

Sound Auto Store

Features Manual Store

Main o

■

✔ Install π Sort

Select Install.

Name

Auto Store

Install o

✔ Language English π

■

Enter the Install menu.

Manual store

■

Sort■Channel Edit

Name

■

Press button repeatedly to cycle

through the language list and

select the language of your choice.

Exit menu from screen.

UNING

UTOMATIC

Directions for Use

HANNELS

ANUAL

UNING

HANNELS

Manual Store o

■

Colour System

■

Sound System

■

✔

Channel No. 2 π

■

Fine Tune

■

Store

Manual Storeo

■

System■Search■Channel No.

■

Fine Tune

✔

Store Store?π

Manual Storeo

■

System■Search■Channel No.

■

Fine Tune

✔

Store Stored

Start manual searching. Searching

stops once a transmitting signal is

found.

Select Channel No.

Key in the channel number.

Press button repeatedly until

Store is selected.

Store tuned channel.

Note : If you want to

continue searching for

another transmitting

channel, repeat steps

7 to 11.

Exit menu from screen.

Manual Store o

■

Colour System

■

Sound System

✔

Search 128 MHz π

■

Channel No.

■

Fine Tune

■

Store

Step

Result on TV Screen

Press button

GB 9L01.2A 3.

HANNELS

UNING

ANUAL

Manual tuning of channels allows you to select your preferred channel number for every

available programme.

Main o

Enter main menu.

Press button

Step Result on TV Screen

Colour Temp.

Sound Colour■Features Contrast

Install Sharpness

✔ Picture π Brightness

■

More...

Main o

Picture Language

Sound Auto Store

Features Manual Store

■

✔ Install π Sort

Press button repeatedly until

Install is selected.

Channel Edit

Name

Auto Store

Manual Store

Sort■Channel Edit

✔ Language π English

■

Name

■

Install o

Enter install menu.

Manual Store π Search

Language Colour System

Auto Store Sound System

Sort Channel No.

Channel Edit Fine Tune

Install o

■

✔

■

Press button repeatedly until

Manual Store is selected.

Name Store

■

Search 79 MHz π

Colour System

Sound System

Channel No.

Fine Tune

Manual Store o

■

✔

■

Enter manual store menu.

Press button repeatedly until

Store

■

UNING

ANUAL

Search is selected.

GB 10 L01.2A3.

INE

UNING

HANNELS

This feature allows you to adjust picture reception in areas of weak reception.

Enter main menu.

Press button repeatedly until

Install is selected.

Enter install menu.

Press button repeatedly until

Manual Store is selected.

Enter manual store menu.

Press button repeatedly until

Fine Tune is selected.

Fine tune until the best reception

is obtained.

Select Store.

Store last fine-tuned status.

Exit menu from screen.

Main o

✔ Picture π Brightness

■

Sound Color■Features Contrast

■

Install Sharpness

Tint

More...

Main o

■

Picture Language

■

Sound Auto Store

■

Features Manual Store

✔ Install π Sort

Channel Edit

Name

Install o

■

Language Colour System

■

Auto Store Sound System

✔

Manual Store π Search

■

Sort Channel No.

■

Channel Edit Fine Tune

■

Name Store

Manual Storeo

■

Colour System

■

Sound System

■

Search■Channel No.

✓ Fine Tune

❘❘❘❘❘❘❘❘❘❘❘

❘❘

❘❘❘❘❘❘❘❘❘❘❘

■

Store

Manual Storeo

■

Colour System

■

Sound System

■

Search■Channel No.

✓ Fine Tune

❘❘❘❘❘❘❘❘❘❘❘❘❘❘❘❘❘❘

❘❘

❘❘❘❘

■

Store

Manual Storeo

■

System■Search■Channel No.

■

Fine Tune

✔

Store Stored

Step

Press button

Result on TV Screen

Directions for Use

YSTEM

OUND

OLOUR

THE

ELECTING

is selected, the respective colour and sound system will be automatically selected according

to the transmission system. Note : Select your desired colour and sound system manually if

This feature allows you to select your desired Colour and Sound system. If Auto

Result on TV Screen

Press button

Step

reception is poor at Auto mode.

Colour System Auto π

Sound System

Search■Channel No.

Manual Store o

✔

■

Repeat step 1 Colour System is selected.

to step 5 as in

“Manual Tuning

Fine Tune

Store

■

of TV Channels”

Colour System PAL π

Sound System

Search■Channel No.

Fine Tune

Manual Store o

Select the desired colour

Store

✔

■

NTSC 3.58, NTSC 4.43

or SECAM).

system (Auto, PA L ,

Colour System

Sound System

Manual Store o

■

Press button repeatedly

until STORE is selected.

Search■Channel No.

Fine Tune

Store Stored

■

✔

Store selected system.

Sound System Auto π

Colour System

Search■Channel No.

Manual Store o

■

✔

■

Proceed to select Sound

System.

Fine Tune

Store

■

Manual Store o

Select the desired sound

Sound System DK π

Colour System

Search■Channel No.

Fine Tune

Store

■

✔

■

system (Auto, BG, I,

DK or M.

Colour System

Sound System

Manual Store o

■

Press button repeatedly

Search■Channel No.

Fine Tune

Store Stored

■

✔

until STORE is selected.

Store selected system.

Exit menu from screen.

EDITING OF CHANNELS

This feature allows you to skip or edit channels which have bad or weak TV signal or channels

that you do not watch often. Note : Once a channel is skipped, you cannot have access to it by

theCH (Channel) + or – button. You can only have access to the channel by the Digit (0 -9)

buttons.

Main o

■

Picture Language

■

Sound Auto Store

■

Features Manual Store

✔ Install π Sort

Channel Edit

Name

Install o

■

Language Channel No.

■

Auto Store Skipped■Manual Store

■

Sort

✔

Channel Edit π

■

Name

Enter main menu.

Press button repeatedly until

Install is selected.

Enter install menu.

Press button repeatedly until

Channel Edit is selected.

Enter Channel Edit menu.

Key in the channel number to be

skipped.

Select Skipped.

Select On to skip channel.

Exit menu from screen.

Channel Edit o

✔

Channel No. 2 π

■

Skipped

Channel Edit o

■

Channel No.

✔

Skipped On

ESTORE

KIPPED

HANNELS

• Repeat Steps 1 to 5 as in”Editing of Channels”.

• Key in the channel number to be restored by the

Digit (0 - 9) button.

• Select Skipped by the Cursor Dow button.

• Select Off to restore channel by the Cursor Right button.

• Exit menu from screen by the OSD button.

Channel Edit o

■

Channel No.

✔

Skipped Off

Step

Result on TV Screen

Press button

Directions for Use

GB 11L01.2A 3.

HANNELS

ORTING

This feature rearranges channel numbers.

Picture Language

Sound Auto Store

Main o

■

Enter main menu.

Press button

Step Result on TV Screen

Channel Edit

Name

Features Manual Store

■

✔ Install π Sort

Press button repeatedly until

Install is selected.

Language 000■Auto Store 001■Manual Store 002✔Sort π 003■Channel Edit 004■Name 005

Install o

■

Enter install menu.

Press button repeatedly until

Sort is selected.

Language 000■Auto Store 001■Manual Store 002 π

Install o

■

Enter sort mode.

Sort π 003

Channel Edit 004■Name 005

✔

■

Select the channel number you want

to change from (e.g. 002).

Language 000■Auto Store 001■Manual Store 002 p✔Sort π 003■Channel Edit 004■Name 005

Install o

■

Confirm selection.

Language 000■Auto Store 001■Manual Store 002✔Sort π 003■Channel Edit 004■Name 005 p

Install o

■

Select the channel number you want

to change to (e.g. 005).

Language 000■Auto Store 001■Manual Store 002

Install o

■

Confirm selection.

The change is done.

Note : Channel numbers 5, 4 and 3

Sort π 003

Channel Edit 004■Name 005 π

✔

■

will move upwards accordingly. that

is, Channel 5 will move up to Channel

4, Channel 4 to 3 and Channel 3 to 2.

Exit menu from screen.

GB 12 L01.2A3.

Result on TV Screen

Directions for Use

ICTURE

TV P

THE

DJUSTING

The picture menu allows you to make adjustments to the picture.

Main o

✔ Picture π Brightness

Display the main menu on screen.

Press button

Step

Colour Temp

More...

Sound Colour■Features Contrast

Install Sharpness

■

Picture o

Enter Picture menu.

59π

❘❘❘❘❘❘❘❘❘❘❘

❘

❘❘❘❘❘❘❘❘❘❘❘

Colour■Contrast

✔ Brightnessp

■

Select item.

Sharpness

Colour Temp

■

59π

❘❘❘❘❘❘❘❘❘❘❘

❘

❘❘❘❘❘❘❘❘❘❘❘

Picture o

✔ Colour p

Adjust level or select desired

Contrast

Sharpness

Colour Temp

■

setting.

Contrast +

■NR■

Exit menu from screen.

Picture menu items Activities

Brightness Increase or decrease brightness level.

in picture.

Colour Increase or decrease color level.

Contrast Increase or decrease contrast level.

Sharpness Increase or decrease sharpness level to improve detail

picture) due to weak signal.

Color temperature Choose from 3 settings (Normal, Warm or Cool).

NR (Noise Reduction) Select “On” to reduce “noisy” picture (little dots on

for improved picture quality.

Contrast + Select “On” to allow you to optimise the total contrast

HANNELS

AMING

This feature enables you to name or rename channels.

Enter main menu.

Press button

Step Result on TV Screen

Picture Language

Sound Auto Store

Main o

■

Press button repeatedly until

Channel Edit

Name

Features Manual Store

■

✔ Install π Sort

Install is selected.

Name π 005

Language 000■Auto Store 001■Manual Store 002■Sort 003■Channel Edit 004

Install o

■

Enter install menu.

Press button repeatedly until

Name is selected.

✔

Language 000■Auto Store 001■Manual Store 002■Sort 003π■Channel Edit 004

Install o

■

Enter name mode.

Select the channel you want to

Name π 005

✔

Language 000■Auto Store 001■Manual Store 002■Sort 003π■Channel Edit 004

Install o

■

Name π 005

✔

name.

Move to first character slot.

A cursor appears for you to start

the input of characters. Select the

character you want. Move to next

character slot by the Cursor Right

button and select the next character.

You can enter up to a

maximum of 5 characters.

Exit menu from screen.

Colour Temp.

Result on TV Screen

More...

Directions for Use

Display

GB 13L01.2A 3.

IMER

THE

SING

Press button

The Timer feature allows you to set the timer to switch to another channel at a specified

time while you are watching another channel or when the TV is on standby mode.

Note : For the timer to function, the set must not be switched off. Once the set is switched

Step

off, the timer is disabled.

Sound Colour■Features Contrast

Install Sharpness

Main o

✔ Picture π Brightness

■

Display the main menu on screen.

Colour Temp.

More...

Features π Format

Picture Timer■Sound Child Lock

Install

Main o

■

✔

■

Select Features.

0π

❘❘❘❘❘❘❘❘❘❘❘

❘

Incr. Surround

Ultra Bass

❘❘❘❘❘❘❘❘❘❘❘

Enter the Features menu.

Features o

✔ Timer π Time

Child Lock Start Time

Format Stop Time

Channel Activate

■

Enter Timer menu.

Start Time

Timer o

✔ Time π 08:30

■

Key in the current time starting from

Stop Time

Channel■Activate

Display

■

and “stop time” will take reference

the hour follow by minute.

This is the time where the “start time”

from.

Timer o

■

Start Timeπ 10:30

Time

Stop Time

✔

■

Select Start Time.

Channel■Activate

Display

■

Key in the time you want the

programme to be switched on.

OUND

TV S

THE

DUSTING

Display the main menu on screen.

Press button

Step Result on TV Screen

The sound menu allows you to make adjustments to the sound.

Sound Colour■Features Contrast

Main o

✔ Picture π Brightness

■

Install Sharpness

■

Picture Treble

Main o

■

Select Sound menu.

Sound π Bass

Features Balance■Install AVL

✔

■

Bass■Balance■AVL■Incr. Surround

✔ Treble p

■

Select item.

Ultra Bass

■

Sound o

Enter Sound menu.

Adjust level or select desired

setting.

Exit menu from screen.

Sound menu items Activities

Treble Increase or decrease high frequency level.

volume during commercial breaks or channel switching.

determined level should there be a sudden change in

Bass Increase or decrease low frequency level.

Balance Increase or decrease to adjust balance level.

AVL (Auto Volume Leveller) Select On to enable volume to remain at a pre-

Incredible Surround Select On to boost the effect of stereo sound.

Ultra Bass Select On to enjoy enhanced bass output.

GB 14 L01.2A3.

Result on TV Screen

)

ODE

CCESS

OCK

HILD

THE

CTIVATING

Picture Timer■Sound Child Lock

Main o

■

Display the main menu on screen.

Press button

Install

✔ Features π Format

■

Press button repeatedly until

Features is selected.

Directions for Use

✔ Child Lock π

Select Child Lock.

Format

■

Enter Child Lock mode.

Timer

Features o

■

Enter the Features menu.

Timer Access Code

Format Correct

Features o

■

✔ Child Lock π xxxx

■

Key in the 4-digit access code.

For the first time or if you have

Timer New Code

Features o

■

forgotten the access code, enter

the universal access code 0711

twice. It will now prompt you to

key in a New Code.

Format

✔ Child Lock π xxxx

■

Key in your preferred code (4-digit).

Timer Confirm Code

Format Confirmed

Features o

■

✔ Child Lock π xxxx

■

Child Lock o

Key in the new code the second

time to confirm code.

The Child Lock menu will now

006

007

Lock Channel π 002■Change Code 003■Clear All 004■Lock All 005

■

appear. You can proceed to lock

from screen.

channel (refer to section on

“Lock Channel”). If not, exit menu

The Child Lock feature allows you to lock channels to prevent your children from watching

IMER

THE

SING

programmes you deem undesirable.

Note : You can only have access to the locked channels via the remote control. Keep the

remote control out of reach so as to prevent your children from having access to it.

Result on TV Screen

Timer o

Select Stop Time.

Press button

Step

Time■Start Time

Channel■Activate

Display

Stop Time π 12:30

■

✔

■

Key in the time you want the

programme to be switched off.

Note : After you have exit menu from screen and you want to

enter the child lock menu again, you need to key the new

access code only once.

Time■Start Time

Stop Time

Channel

Timer o

■

Select Activate.

Once

Display

Activate π

✔

■

Activate timer. You can select

Once, Daily or Off.

Timer o

■

Time■Start Time

Stop Time

Activate

Display

Channel π

Timer o

■

✔

■

Select Channel.

Key in the channel you want to

switch to.

Time■Start Time

Stop Time

Channel■Activate

Display π

■

✔

Select Display.

Select On mode if you want to

display the time on the TV screen.

Exit menu from screen.

Note : After the Stop Time is activated,

Powe r button.

the TV will go on standby mode. To

switch on set from standby mode, press

Channel +/–, Digit (0 -9) or

Step

Directions for Use

Result on TV Screen

006

)

007

006

007 π

006 π

007

006 πF007

GB 15L01.2A 3.

HANNEL

OCK

HILD

THE

Press button

CTIVATING

Step

Change Code 003■Clear All 004■Lock All 005

Child Lock o

✔ Lock Channel π 002

■

The Child Lock menu will

now appear. You can proceed

to lock channel.

CCESS

Lock (A

)”

HILD

ODE

Repeat Steps 1 to 8 as

in “C

Child Lock o

✔ Lock Channel π 002

Enter lock channel mode.

Change Code 003■Clear All 004■Lock All 005

■

Change Code 003■Clear All 004■Lock All 005

Child Lock o

✔ Lock Channel π 002

■

Select the channel you want

to lock.

Change Code 003■Clear All 004■Lock All 005

Child Lock o

✔ Lock Channel π 002

■

Activate blocking of channel.

A keylock symbol will appear

beside the channel number

indicating that it is locked.

Note : To lock more than one

channel, repeat Steps 10 to 11

before exiting menu from

screen.

Exit menu from screen.

006

007

Result on TV Screen

Change Code 003■Clear All 004■Lock All 005

Child Lock o

✔ Lock Channel π 002

■

Lock Channel New Code

Child Lock o

■

Clear All

Lock All

✔ Change Code π ----

■

Lock Channel New Code

Child Lock o

■

Clear All

Lock All

✔ Change Code π xxxx

■

Lock Channel Confirm Code

Child Lock o

■

Clear All Confirmed

Lock All

✔ Change Code π xxxx

■

code.

The Child Lock menu will

now appear. You can proceed

to change

THE

Repeat Steps 1 to 8 as

CTIVATING

in “A

OCK

HILD

)”

ODE

CCESS

Press button

ACTIVATING THE CHILD LOCK (CHANGE CODE)

Step

Note : You need to key the access code only once.

Select Change Code.

Enter change code mode.

Key in your preferred code

(4-digit).

Key in the new code the

second time to confirm

code.

Exit menu from screen.

GB 16 L01.2A3.

➩

Result on TV Screen

ORMAT

Picture Timer■Sound Child Lock

Install

Main o

■

✔ Features π Format

■

Directions for Use

Timer■Child Lock

Features o

■

✔ Format 4:3 π

Timer■Child Lock

Features o

■

✔ Format 4:3 Expand π

➩

CREEN

THE

SING

You can have a choice of two formats for your viewing pleasure, namely : - 4:3 mode and the

)

OCK

HILD

THE

EXPAND 4:3 mode through the FORMAT menu.

Result on TV Screen

Display the main menu on screen.

Press button

Step

Change Code 003■Clear All 004■Lock All 005

Child Lock o

✔ Lock Channel π 002

■

The Child Lock menu will

now appear. You can proceed

to lock all channels.

Press button repeatedly until

Features is selected.

006

007

Enter the Features menu.

Press button repeatedly umtil

Lock Channel

Change Code

Clear All

Lock All π On

Child Lock o

■

Select Lock All.

Select the On option to

lock all channels.

Format is selected.

Press the button repeatedly to

Exit menu from screen.

cycle through the different formats

(4:3 or Expand 4:3) or and select

your desired format.

)

LEAR

OCK

HILD

THE

Exit menu from screen.

Result on TV Screen

4:3 format

When to use the Screen Formats

Select the 4:3 format if you want to

006

Change Code 003■Clear All 004■Lock All 005

Child Lock o

✔ Lock Channel π 002

■

The Child Lock menu will

now appear. You can proceed

to clear all channels.

display the 4:3 picture using the full

surface of the screen.

Expand 4:3 format

007

Lock Channel

Child Lock o

■

Select Clear All.

Select the Expand 4:3 format if you

want to expand movie images

recorded in the letterbox format.

When this format is selected, the

black horizontal bars at the top and

bottom are expanded thus filling

up the entire TV screen.

Change Code

Lock All

■

✔ Clear All π Off

■

Select the Off option to

unlock all channels.

Exit menu from screen.

CTIVATING

You can choose to lock all channels in the Lock All mode in the Child Lock menu.

CCESS

Press button

Lock (A

HILD

Step

Repeat Steps 1 to 8 as

in “C

)”

ODE

CCESS

CTIVATING

Press button

Lock (A

)”

To unlock channels that you have locked, enter the Child Lock menu and select the Off option

Clear All mode.

Step

Repeat Steps 1 to 8 as

HILD

in “C

ODE

Directions for Use

SMART SOUND CONTROL

Whether you are watching a movie or video game, your TV has automatic sound control

settings matched to your current program source or content. The Smart Sound feature quickly

resets your TV’s sound controls of program for a number of different types of programs and

viewing conditions you may have in your home. Each Smart Sound setting is preset at the

factory to automatically adjust the TV’s Treble and Bass levels.

Press botton repeatedly to cycle through the 4 settings namely,

Personal, Voice, Music and Theatre and select your desired

sound setting.

Exit menu from screen.

Step

Press button

Personal

Voice

Music

Theatre

Definition of Sound Settings

Personal : Sound settings are set to your preference.

Voice : Emphasize high tone (treble boosted).

Music : Emphasize low tone (Bass boosted).

Theatre : Emphasize sensation to action.

(Bass and Treble boosted)

GB 17L01.2A 3.

ONTROL

ICTURE

MART

Whether you are watching a movie or video game, your TV has automatic video control

settings matched to your current program source or content. The Smart Picture feature quickly

resets your TV’s video controls of program for a number of different types of programs and

viewing conditions you may have in your home. Each Smart Picture setting is preset at the

factory to automatically adjust the TV’s Brightness, Colour, Picture and Sharpness levels.

Press botton repeatedly to cycle through the 5 settings namely,

Press button

Step

DVD/VCD, Rich, Natural, Soft and Personal and select

your desired picture setting.

Exit menu from screen.

DVD/VCD

Defintion of Picture Settings

DVD/VCD : For optimal picture setting, whenever

the source is connected to DVD/VCD

player, select DVD/VCD setting for AV

mode.

Rich

setting is the optimal setting when you

Rich : Emphasize very vibrant colours. This

Natural

are viewing TV programmes in a

brightly-lit room.

Natural : Emphasize original colours.

Soft

(Suitable for dimly-lit room condition and

givescinema-like effect when light is

switched off).

Soft : Emphasize “warm” colours.

Personal

Personal : Picture settings are set to your preference.

GB 18 L01.2A3.

Directions for Use

Personal Notes:

29PT2152

PECIFICATIONS

PAL B/G

PAL D/K

PAL I

SECAM B/G

SECAM D/K

SECAM K1

Picture tube screen size 72 cm

Picture tube visible area 68 cm

Audio Output :

Speaker 2 x 5 W

TV System NTSC M

Set Dimensions :

Width 75.9 cm

Depth 51 cm

Height 57.5 cm

Net Weight of Set approximate 35 kg

Note

For Operating Voltage, Frequency, Power Consumption and Version Number, refer to the

type number at the rear of the set.

4. Mechanical Instructions

Mechanical Instructions

GB 19L01.2A 4.

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 and remove it.

4.2 Service Position Main Panel

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

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

3. Disconnect the degaussing coil by removing the cable from (red) connector 0201.

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

4.3 Side I/O Panel Removal

1. Remove the complete Side I/O assembly after unscrewing the 2 fixation screws [1].

2. Release the two fixation clamps [2] and lift the board out of the bracket.

CL 06532012_004.eps

030200

Figure 4-2

4.4 Rear Cover Mounting

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

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

2. Replace the strain relief of the AC power cord into the cabinet.

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

Figure 4-1

CL 16532016_006.eps

220501

GB 20 L01.2A5.

Service Modes, Error Codes and Fault Finding

5. Service Modes, Error Codes and Fault Finding

Index:

1. Test points.

2. Service Modes.

3. Problems and Solving Tips (related to CSM).

4. ComPair.

5. Error Codes.

6. The Blinking LED Procedure.

7. Protections.

8. 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:

TEST POINT OVERVIEW L01

Test point Circuit Diagram A1-A 2- A3 -….. C1-C2-C3-….. F1-F2-F3-….. I1-I2-I3-….. L1-L2-L3-…. P1-P2-P3-….. S1-S2-S3-….. V1-V2-V3-…..

Audio processing A8, A9 / A11 Control A7 Frame drive A3 Tuner & IF A4 Line drive A2 Power supply A1 Synchronisation A6 Video processing A5, B1

CL 16532008_044.eps

Figure 5-1

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 Mode (when this mode is not present, set all controls to 50%, set volume to 25% and select channel 3).

• Video: colour bar signal.

• Audio: 3 kHz left, 1 kHz right.

5.2 Service Modes

Service Default Mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Menu (CSM) is used for communication between dealer and customer.

There is also the option of using ComPair, a hardware interface between a computer (see requirements) and the TV chassis. It offers the ability of structured trouble shooting, error code reading and software version readout for all L01 chassis. Minimum requirements: a 486 processor, Windows 3.1 and a CD-ROM drive (see also paragraph 5.4).

210501

5.2.1 Service Default Mode (SDM)

Purpose

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

• To override SW protections.

• To start the blinking LED procedure.

Specifications

• Tuning frequency: – 475.25 MHz for PAL/SECAM (AP-PAL). – 61.25 MHz (channel 3) for NTSC-sets (AP-NTSC).

• Colour system: – PAL-BG for AP-PAL. – NTSC for AP-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-favorite presets / channels, – auto store of personal presets, – auto user menu time-out.

How to enter SDM

Use one of the following methods:

• Use a standard customer RC-transmitter and key in the code ‘062596’ directly followed by the MENU button or

• Short wires 9631 and 9641 on the mono carrier (see Fig. 8-1) and apply AC power. Then press the power button (remove the short after start-up). Caution: Entering SDM by shorten wires 9631 and 9641 will override the +8Vprotection. Do this only for a short period. When doing this, the service-technician must know exactly what he is doing, as it could lead to damaging the set.

• Or via ComPair.

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

cluster

1AP1

1AP2

1AP3

1AP9

3AP1

3AP2

4AP1

Abbreviations: A= Asia Pacific, C= NTSC, N= no TXT, T= TXT

SOFTWARE VERSIONS (L01 AP SMALL SCREEN)

SW name UOC-type Diversity

L01AN1-x.y TDA9580/1 AP, non TXT, China/AP

L01AN2-x.y TDA9581/2 AP, non TXT, Thailand/Vietnam

L01AN3-x.y TDA9580/1 AP, non TXT, India

L01AN9-x.y TDA9581 AP, non TXT, Middle East

L01AT1-x.y TDA9561/7 AP, 10 page TXT, Sgp/Aus/NZ

L01AT2-x.y TDA9567 AP, 10 page TXT, Middle East

L01AC1-x.y TDA9580 AP, NTSC, Thailand/Philippines

Figure 5-2

CL 16532008_070.pdf

220801

Service Modes, Error Codes and Fault Finding

/STA

AAABCDEE X . Y SDM

ERRXXXXXXXXXX

SDM

Ma i n ^

• Pi cture > Brightness

• Sound Col our

• Feat ur es Contr as t

• I nst al l Sharpness

Co l ou r T emp

Store

GB 21L01.2A 5.

Specifications

• Operation hours counter.

• Software version.

• Option settings.

• Error buffer reading and erasing.

• Software alignments.

How to enter

Use one of the following methods:

• Use a standard customer RC-transmitter and key in the code ‘062596’ directly followed by the OSD / STATUS button or

• Via ComPair.

The following screen is visible, with SAM at the upper right side for recognition.

LLLL AAABCD X . Y SAM ERR XX XX XX XX XX XXX XXX XXX XXX XXX XXX XXX

CLEAR CLEAR ?

OPT I ONS >

AKB 0 / 1

TUNER > WH I T E T ON E > GEOMETRY >

AUD I O >

CL 16532020_060.pdf

Figure 5-3

How to navigate

Use one of the following methods:

• When you press the MENU button on the remote control, the set will switch between the SDM and the normal user menu (with the SDM mode still active in the background). Return to the SDM screen with the OSD / STATUS button.

• When you press the OSD / STATUS button on the remote control, the menu will show or hide the error buffer. This feature is available to prevent interference during waveform measurements.

• 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 (if you switch the set 'off' by removing the AC power, the set will return in SDM when AC power is re-applied). The error buffer is cleared.

5.2.2 Service Alignment Mode (SAM)

Purpose

• To perform alignments.

• To change option settings.

• To display / clear the error code buffer.

OSD

SDM

220501

TUS

CL 16532020_061.eps

150401

Figure 5-4

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

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

• A = the project name (L01).

• B = the region: E= Europe, A= Asia Pacific, U=

NAFTA, L= LATAM.

• C = the software diversity: C= NTSC, D= DVD, N= no

TXT, T= TXT.

• D = the language cluster number.

• X = the main software version number.

• Y = the sub software version number.

3. SAM Indication of the actual mode.

4. Error buffer Five errors possible.

5. Option bytes Seven codes possible.

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

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

8. AKB Disable (0) or enable (1) the ‘black current loop’ (AKB = Auto Kine Bias).

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

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

11. Geometry To align the Geometry. See chapter 8.3.4 for a detailed description.

12. Audio To align the Audio. See chapter 8.3.5 for a detailed description.

How to navigate

Use one of the following methods:

• In SAM, 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: – (De)activate the selected menu item. – Change the value of the selected menu item.

GB 22 L01.2A5.

Service Modes, Error Codes and Fault Finding

– Activate the selected submenu.

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

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

How to exit

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

5.2.3 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

The CSM will be turned on after pressing the MUTE key on the remote control transmitter and any of the control buttons on the TV for at least 4 seconds simultaneously. This activation only works if there is no menu on the screen.

After switching ON the Customer Service Mode, the following screen will appear:

10. Value indicates parameter levels at CSM entry (only for stereo sets). TR= TREBLE, BS= BASS

How to exit

Use one of the following methods:

• After you press ‘any’ key of the remote control transmitter with exception of the CHANNEL and VOLUME keys.

• After you 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 INSTALL sub menu.

3. Select the MANUAL STORE sub menu.

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

5. 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.

2. Select the INSTALL sub menu.

3. Select the MANUAL STORE sub menu.

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

5. Select the STORE menu item.

1AAABCD X.Y CSM 2 CODES XX XX XX XX XX 3 OP XXX XXX XXX XXX XXX XXX XXX 4 DETECTED SYSTEM DETECTED SOUND 5 NOT TUNED SKIPPED 6TIMER 7 8 CO XX C L XX BR XX HU XX SH XX 9VLXX BL XX AVL DVXX

10 TR XX BS XX

CL 16532008_046.eps

220501

Figure 5-5

1. Software identification of the main micro controller (see paragraph 5.2.2 for an explanation).

2. Error code buffer (see paragraph 5.5 for more details). Displays the last seven 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. Indicates if the V-chip feature is enabled.

8. Value indicates parameter levels at CSM entry. CO= CONTRAST, CL= COLOR, BR= BRIGHTNESS, HU= HUE, SH= SHARPNESS

9. Value indicates parameter levels at CSM entry. VL= VOLUME LEVEL, BL= BALANCE LEVEL, AVL= AUTO VOLUME LEVEL LIMITER, DV= DELTA VOLUME

TV switches ‘off’ (or ‘on’) or changes the channel without any user action

(Sleep)timer switched the set ‘off’ or changed channel. To change the setting:

1. Press the MENU button on the remote control.

2. Select the FEATURES sub menu.

3. Select the TIMER sub menu.

4. Select and change the SLEEP or TIME setting.

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 picture improves after you have switched on the Customer Service Mode

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.

+ 50 hidden pages