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Colour Television Chassis
L01.2E
AB
(SMALL SCREEN)
CL 16532008_041.eps
160501
Contents Page
1. Technical Specifications, Connections, and Chassis Overview 2
2. Safety Instructions, Warnings, and Notes 4
3. Directions for Use 5
4. Mechanical Instructions 6
5. Service Modes, Error Codes, and Fault Finding 7
6. Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram 13
Testpoint Overview 14
I2C and Supply Voltage Diagram 15
7. Circuit Diagrams and PWB Layouts Diagram PWB
Mono Carrier: Power Supply (A1) 16 28-33
Mono Carrier: Line Deflection (A2) 17 28-33
Mono Carrier: Frame Deflection (A3) 18 28-33
Mono Carrier: Tuner IF (A4) 19 28-33
Mono Carrier: Video IF + Sound IF (A5) 20 28-33
Mono Carrier: Synchronisation (A6) 21 28-33
Mono Carrier: Control (A7) 22 28-33
Mono Carrier: Audio Amplifier + Mono Sound Processing (A8) 23 28-33
Mono Carrier: NICAM + 2CS + BTSC Decoder (A9) 24 28-33
Mono Carrier: Audio/Video Source Switching (A10) 25 28-33
Mono Carrier: Front I/O, Control, and Headpone (A12) 26 28-33
Mono Carrier: Rear I/O SCART (A13) 27 28-33
CRT Panel (B1) 34 35
Side AV + HP Panel (E) 36 37
Side AV Panel + Headphone (E1) 38 38
8. Alignments 39
9. Circuit Descriptions, Abbreviation List, and IC Data Sheets 46
10. Spare Parts List 57
11. Revision List 60
©
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.
Published by JH 0562 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 15250
EN 2 1. L01.2E AB Technical Specifications, Connections, and Chassis Overview
1. Technical Specifications, Connections, and Chassis Overview
Index of this chapter: : NTSC 3.58 (playback
1.1 Technical Specifications only)
1.2 Connections : NTSC 4.43 (playback
1.3 Chassis Overview only)
Channel selections : 100 channels
Note: Described specifications are valid for the whole product : UVSH
range. IF frequency : 38.9 MHz
Aerial input : 75 , Coax
1.1 Technical Specifications
1.1.2 Miscellaneous
1.1.1 Reception
Audio output (RMS) : 1 W mono
: 2 W mono
Tuning system : PLL : 4 W mono
Colour systems : PAL B/G, D/K, I : 2 x 3 W stereo
: SECAM B/G, L/L' Mains voltage : 220 - 240 V (± 10 %)
Sound systems : FM/AM mono Mains frequency : 50 / 60 Hz (± 5 %)
: FM stereo (2CS) Ambient temperature : + 5 to + 45 °C
: NICAM Maximum humidity : 90 %
: FM radio (10.7 MHz) Power consumption : 36 W (14") to
A/V connections : PAL BG : 52 W (21")
: SECAM L/L' Standby Power consumption : <3W
1.2 Connections
1.2.1 Front (or Side) Connections and Front (or Top) Control
V- V+ C- C+
Mono
L R
Video Audio
IR V- V+ C- C+
RED
- VOLUME + P+
V- V+
- PROGRAM + P-
CL 16532016_020.eps
220501
Figure 1-1
Audio / Video In
1 - Headphone 3.5 mm (8 - 600 / 4 mW) rt
2 - Video CVBS (1 Vpp / 75 ) jq
3 - Audio Mono (0.5 Vrms / 10 k) jq
Technical Specifications, Connections, and Chassis Overview L01.2E AB 1. EN 3
1.2.2 Rear Connections
6 - Audio L (0.5 Vrms / 10 k) j
75 Ohm 7 - Blue / U (0.7 Vpp / 75 ) j
8 - CVBS-status 0 - 2.0 V: INT
4.5 - 7 V: EXT 16:9
9.5 - 12 V: EXT 4:3
EXTERNAL 1 9 - GND H
FM
10 -
11 - Green / Y (0.7 Vpp / 75 ) j
CL 16532008_042.eps 12 -
230501
13 - GND H
14 - GND H
Figure 1-2 .eps 15 - Red / V (0.7 Vpp / 75 ) j
16 - RGB-status 0 - 0.4 V: INT 1 - 3 V: EXT / 75
External 1: RGB/YUV in + CVBS in/out j
17 - GND H
1 21 18 - GND H
19 - CVBS (1 Vpp / 75 ) k
20 - CVBS (1 Vpp / 75 ) j
21 - GND H
2 20
CL96532137_056.eps
171199
TV Aerial In
Aerial input : 75 , coax (IEC-type)
Figure 1-3
FM Radio In
1 - Audio R (0.5 Vrms / 1 k) k Aerial input : via `coax-to-3 pins'
2 - Audio R (0.5 Vrms / 10 k) j adapter
3 - Audio L (0.5 Vrms / 1 k) k : `cable' or `wire'
4 - GND H antenna
5 - GND H
1.3 Chassis Overview
CRT PANEL B
E1 SIDE AV PANEL + HEADPHONE
MAIN
POWER SUPPLY A1
E SIDE AV PANEL
CHASSIS LINE DEFLECTION A2
PANEL
FRAME DEFLECTION A3
TUNER IF A4
VIDEO + SOUND IF A5
SYNCHRONISATION A6
CONTROL (µP) A7
AUDIO AMPLIFIER A8
NICAM + 2CS +
BTSC DECODER A9
A/V SWITCHING A10
HEADPHONE + FR. CONTROL A12
REAR I/O CINCH A13
CL 16532008_043.eps
240801
Figure 1-4
EN 4 2. L01.2E AB Safety Instructions, Warnings, and Notes
2. Safety Instructions, Warnings, and Notes
Index of this chapter: 3. Clean the picture tube panel and the neck of the picture
2.1 Safety Instructions For Repairs tube.
2.2 Maintenance Instructions
2.3 Warnings
2.4 Notes 2.3 Warnings
· In order to prevent damage to ICs and transistors, avoid all
2.1 Safety Instructions For Repairs high voltage flashovers. In order to prevent damage to the
picture tube, use the method shown in Fig. 2-1, to
Safety regulations require that during a repair: discharge the picture tube. Use a high voltage probe and a
· Due to the `hot' parts of this chassis, the set must be multi-meter (position VDC). Discharge until the meter
connected to the AC power via an isolation transformer. reading is 0 V (after approx. 30 s).
· Safety components, indicated by the symbol h, should be
replaced by components identical to the original ones.
· When replacing the CRT, safety goggles must be worn.
V
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) E_06532_007.eps
250304
S-correction capacitor(s)
line output transistor
pins of the connector with wires to the deflection coil Figure 2-1
other components through which the deflection current
flows. · All ICs and many other semiconductors are susceptible to
Note: This re-soldering is advised to prevent bad connections electrostatic discharges (ESD) w. Careless handling
due to metal fatigue in solder connections and is therefore only during repair can reduce life drastically. When repairing,
necessary for television sets more than two years old. make sure that you are connected with the same potential
· Route the wire trees and EHT cable correctly and secure as the mass of the set by a wristband with resistance. Keep
them with the mounted cable clamps. components and tools also at this potential. Available ESD
· Check the insulation of the AC power cord for external protection equipment:
damage. Complete kit ESD3 (small tablemat, wristband,
· Check the strain relief of the AC power cord for proper connection box, extension cable, and ground cable)
function, to prevent the cord from touching the CRT, hot 4822 310 10671.
components, or heat sinks. Wristband tester 4822 344 13999.
· Check the electrical DC resistance between the AC plug · Together with the deflection unit and any multi-pole unit,
and the secondary side (only for sets that have an isolated flat square picture tubes form an integrated unit. The
power supply). Do this as follows: deflection and the multi-pole units are set optimally at the
1. Unplug the AC power cord and connect a wire between factory. Adjustment of this unit during repair is therefore not
the two pins of the AC plug. recommended.
2. Turn on the main power switch (keep the AC power · Be careful during measurements in the high voltage
cord unplugged!). section and on the picture tube.
3. Measure the resistance value between the pins of the · Never replace modules or other components while the unit
AC plug and the metal shielding of the tuner or the is switched ON.
aerial connection of the set. The reading should be · When you align the set, use plastic rather than metal tools.
between 4.5 M and 12 M. This will prevent any short circuits and the danger of a
4. Switch the TV OFF and remove the wire between the circuit becoming unstable.
two pins of the AC plug.
· Check the cabinet for defects, to prevent the possibility of
the customer touching any internal parts.
2.4 Notes
2.4.1 General
2.2 Maintenance Instructions
· Measure the voltages and waveforms with regard to the
It is recommended to have a maintenance inspection carried chassis (= tuner) ground (H), or hot ground (I), depending
out by qualified service personnel. The interval depends on the on the tested area of circuitry. The voltages and waveforms
usage conditions: shown in the diagrams are indicative. Measure them in the
· When the set is used under normal circumstances, for Service Default Mode (see chapter 5) with a colour bar
example in a living room, the recommended interval is signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated
three to five years. otherwise) and picture carrier at 475.25 MHz for PAL, or
· When the set is used in an environment with higher dust, 61.25 MHz for NTSC (channel 3).
grease or moisture levels, for example in a kitchen, the · Where necessary, measure the waveforms and voltages
recommended interval is one year. with (D) and without (E) aerial signal. Measure the
· The maintenance inspection includes the following actions: voltages in the power supply section both in normal
1. Perform the 'general repair instruction' noted above. operation (G) and in stand-by (F). These values are
2. Clean the power supply and deflection circuitry on the indicated by means of the appropriate symbols.
chassis. · The semiconductors indicated in the circuit diagram and in
the parts lists, are interchangeable per position with the
Directions for Use L01.2E AB 3. EN 5
semiconductors in the unit, irrespective of the type · Adjust your solder tool so that a temperature around 360°C
indication on these semiconductors. - 380°C is reached and stabilised at the solder joint.
Heating time of the solder-joint should not exceed ~ 4 sec.
2.4.2 Schematic Notes Avoid temperatures above 400°C, otherwise wear-out of
tips will rise drastically and flux-fluid will be destroyed. To
· All resistor values are in ohms and the value multiplier is avoid wear-out of tips, switch "off" unused equipment or
reduce heat.
often used to indicate the decimal point location (e.g. 2K2
· Mix of lead-free soldering tin/parts with leaded soldering
indicates 2.2 kohm).
· Resistor values with no multiplier may be indicated with tin/parts is possible but PHILIPS recommends strongly to
avoid mixed regimes. If not to avoid, clean carefully the
either an "E" or an "R" (e.g. 220E or 220R indicates 220
solder-joint from old tin and re-solder with new tin.
ohm).
· All capacitor values are given in micro-farads (µ= x10-6), · Use only original spare-parts listed in the Service-Manuals.
Not listed standard material (commodities) has to be
nano-farads (n= x10-9), or pico-farads (p= x10-12).
purchased at external companies.
· Capacitor values may also use the value multiplier as the
decimal point indication (e.g. 2p2 indicates 2.2 pF). · Special information for lead-free BGA ICs: these ICs will be
delivered in so-called "dry-packaging" to protect the IC
· An "asterisk" (*) indicates component usage varies. Refer
against moisture. This packaging may only be opened
to the diversity tables for the correct values.
· The correct component values are listed in the Spare Parts short before it is used (soldered). Otherwise the body of the
IC gets "wet" inside and during the heating time the
List. Therefore, always check this list when there is any
structure of the IC will be destroyed due to high (steam-
doubt.
)pressure inside the body. If the packaging was opened
before usage, the IC has to be heated up for some hours
2.4.3 Lead Free Solder
(around 90°C) for drying (think of ESD-protection!).
Do not re-use BGAs at all!
Philips CE is going to produce lead-free sets (PBF) from · For sets produced before 1.1.2005, containing leaded
1.1.2005 onwards. 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.
P In case of doubt whether the board is lead-free or not (or with
b 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
Figure 2-2 Lead-free logo two alloys).
Caution: For BGA-ICs, you must use the correct temperature-
profile, which is coupled to the 12NC. For an overview of these
This sign normally has a diameter of 6 mm, but if there is less
profiles, visit the website www.atyourservice.ce.philips.com
space on a board also 3 mm is possible.
(needs subscription, but is not available for all regions)
You will find this and more technical information within the
Regardless of this logo (is not always present), one must treat "Magazine", chapter "Workshop information".
all sets from this date onwards according to the following rules. For additional questions please contact your local repair help
desk.
Due to lead-free technology some rules have to be respected
by the workshop during a repair: 2.4.4 Practical Service Precautions
· Use only lead-free soldering tin Philips SAC305 with order
code 0622 149 00106. If lead-free solder paste is required,
· It makes sense to avoid exposure to electrical shock.
please contact the manufacturer of your soldering
While some sources are expected to have a possible
equipment. In general, use of solder paste within
dangerous impact, others of quite high potential are of
workshops should be avoided because paste is not easy to
limited current and are sometimes held in less regard.
store and to handle.
· Always respect voltages. While some may not be
· Use only adequate solder tools applicable for lead-free
dangerous in themselves, they can cause unexpected
soldering tin. The solder tool must be able
reactions that are best avoided. Before reaching into a
To reach at least a solder-tip temperature of 400°C.
powered TV set, it is best to test the high voltage insulation.
To stabilise the adjusted temperature at the solder-tip.
It is easy to do, and is a good service precaution.
To exchange solder-tips for different applications.
3. Directions for Use
You can also download this information from the following
websites:
http://www.philips.com/support
http://www.p4c.philips.com
EN 6 4. L01.2E AB Mechanical Instructions
4. Mechanical Instructions
Index of this chapter: 4.3 Side I/O Panel Removal (if present)
4.1 Rear Cover Removal
4.2 Service Position Main Panel
1. Remove the complete Side I/O assembly, after unscrewing
4.3 Side I/O Panel Removal (if present)
the 2 fixation screws [1].
4.4 Rear Cover Mounting 2. Release the two fixation clamps [2] and lift the board out of
the bracket.
Note: Figures below can deviate slightly from the actual
situation, due to the different set executions.
4.1 Rear Cover Removal
1. Remove all (seven) fixation screws of the rear cover: two at
the top, two at each side and one near the mains cord
holder.
2. Now pull the rear cover backward to remove it.
4.2 Service Position Main Panel
1. Disconnect the strain relief of the Mains cord.
2. Remove the main panel, by pushing the two centre 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 CL 06532012_004.eps
[3], with the components towards the CRT. 030200
Figure 4-2
4.4 Rear Cover Mounting
Before you mount the rear cover:
1. Place the mains cord correctly in its guiding brackets
(strain relief).
2. Place all cables in their original position.
1
1
A
2
3
B CL 16532016_006.eps
220501
Figure 4-1
Service Modes, Error Codes, and Fault Finding L01.2E AB 5. EN 7
5. Service Modes, Error Codes, and Fault Finding
Index of this chapter: 5.2.1 Service Default Mode (SDM)
5.1 Test Points
5.2 Service Modes Purpose
5.3 Problems and Solving Tips (Related To CSM) · To create a predefined setting to get the same
5.4 ComPair measurement results as given in this manual.
5.5 Error Buffer · To override SW protections.
5.6 The Blinking LED Procedure · To start the blinking LED procedure.
5.7 Protections
5.8 Repair Tips
Specifications
· Tuning frequency:
5.1 Test Points 475.25 MHz for PAL/SECAM (Europe and AP-PAL).
61.25 MHz (channel 3) for NTSC-sets (AP-NTSC).
· Colour system:
The chassis is equipped with test points printed on the circuit
SECAM L for France.
board assemblies. These test points refer to the functional
NTSC for NAFTA and AP-NTSC.
blocks:
PAL-BG for Europe and AP-PAL.
· All picture settings at 50 % (brightness, colour contrast,
TEST POINT OVERVIEW L01 hue).
Test point Circuit Diagram · Bass, treble and balance at 50 %; volume at 25 %.
A1-A2-A3-..... Audio processing A8, A9 / A11 · All service-unfriendly modes (if present) are disabled, like:
C1-C2-C3-..... Control A7 (sleep) timer,
F1-F2-F3-..... Frame drive A3 child/parental lock,
I1-I2-I3-..... Tuner & IF A4 blue mute,
L1-L2-L3-.... Line drive A2 hotel/hospitality mode
P1-P2-P3-..... Power supply A1
auto switch-off (when no `IDENT' video signal is
S1-S2-S3-..... Synchronisation A6
received for 15 minutes),
V1-V2-V3-..... Video processing A5, B1
skip/blank of non-favourite pre-sets/channels,
CL 16532008_044.eps
210501 auto store of personal pre-sets,
auto user menu time-out.
Figure 5-1
How to enter SDM
The numbering is in a logical sequence for diagnostics. Always Use one of the following methods:
start diagnosing within a functional block in the sequence of the · Use a standard customer RC-transmitter and key in the
relevant test points for that block. code `062596' directly followed by the MENU button or
Perform measurements under the following conditions: · Short wires 9631 and 9641 on the mono carrier (see Fig. 8-
· Service Default Mode. 1) and apply Mains voltage. Then press the power button
· Video: colour bar signal. (remove the short after start-up). Caution: Entering SDM
· Audio: 3 kHz left, 1 kHz right. by shorten 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,
5.2 Service Modes as it could lead to damaging the set.
· Or via ComPair.
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. A Pentium Processor and Windows 95/98 are
also acceptable (see also paragraph 5.4).
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220501
Figure 5-2
After entering SDM, the following screen is visible, with SDM at
the upper right side for recognition.
EN 8 5. L01.2E AB Service Modes, Error Codes, and Fault Finding
Specifications
· Operation hours counter.
· Software version.
· Option settings.
A A A B C D E E X . Y S D M · Error buffer reading and erasing.
· Software alignments.
How to enter
Use one of the following methods:
E R R X X X X X X X X X X · Use a standard customer RC-transmitter and key in the
code `062596' directly followed by the OSD/STATUS
button [i+] or
· Via ComPair.
M E N U
The following screen is visible, with SAM at the upper right side
for recognition.
S D M
M a i n ^ L L L L A A A B C D X . Y S A M
· P i c t u r e > B r i g h t n e s s E R R X X X X X X X X X X
· S o u n d C o l o u r X X X X X X X X X X X X X X X X X X X X X
· F e a t u r e s C o n t r a s t
· I n s t a l l S h a r p n e s s C L E A R C L E A R ?
C o l o u r T e m p O P T I O N S >
S t o r e A K B 0 / 1
v T U N E R >
W H I T E T O N E >
G E O M E T R Y >
A U D I O >
O S D / S T A T U S
CL 16532020_061.eps
150401
Figure 5-4
S D M
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: D= DVD, F= full TXT, M=
CL 16532020_060.pdf mono, T= 1 page TXT.
220501
· D = the language cluster number.
· X = the main software version number.
Figure 5-3 · Y = the sub software version number.
3. SAM Indication of the actual mode.
How to navigate 4. Error buffer Five errors possible.
Use one of the following methods: 5. Option bytes Seven codes possible.
· When you press the MENU button on the remote control, 6. Clear Erase the contents of the error buffer. Select the
the set will switch between the SDM and the normal user CLEAR menu item and press the CURSOR RIGHT key.
menu (with the SDM mode still active in the background). The content of the error buffer is cleared.
Return to the SDM screen with the OSD/STATUS button. 7. Options To set the Option Bytes. See chapter 8.3.1 for a
· When you press the OSD/STATUS button on the remote detailed description.
control, the menu will show or hide the error buffer. This 8. AKB Disable (0) or enable (1) the `black current loop' (AKB
feature is available to prevent interference during = Auto Kine Bias).
waveform measurements. 9. Tuner To align the Tuner. See chapter 8.3.2 for a detailed
· On the TV, press and hold the 'VOLUME down' and press description.
the 'CHANNEL down' for a few seconds, to switch from 10. White Tone To align the White Tone. See chapter 8.3.3 for
SDM to SAM and reverse. a detailed description.
11. Geometry To align the Geometry. See chapter 8.3.4 for a
detailed description.
How to exit
12. Audio To align the Audio. See chapter 8.3.5 for a detailed
Switch the set to STANDBY by pressing the power button on
description.
the remote control transmitter (if you switch the set 'off' by
removing the Mains voltage, the set will return in SDM when
Mains voltage is re-applied). The error buffer is cleared. How to navigate
Use one of the following methods:
· In SAM, select menu items with the CURSOR UP/DOWN
5.2.2 Service Alignment Mode (SAM)
key on the remote control transmitter. The selected item
will be highlighted. When not all menu items fit on the
Purpose screen, move the CURSOR UP/DOWN key to display the
· To perform alignments. next/previous menu items.
· To change option settings. · With the CURSOR LEFT/RIGHT keys, it is possible to:
· To display/clear the error code buffer. (De)activate the selected menu item.
Change the value of the selected menu item.
Service Modes, Error Codes, and Fault Finding L01.2E AB 5. EN 9
Activate the selected submenu. 10. Value indicates parameter levels at CSM entry (only for
· When you press the MENU button twice, the set will switch stereo sets). TR= TREBLE, BS= BASS
to the normal user menus (with the SAM mode still active
in the background). To return to the SAM menu press the How to exit
OSD/STATUS button [ i+ ]. Use one of the following methods:
· When you press the MENU key in a submenu, you will · After you press `any' key of the remote control transmitter
return to the previous menu. with exception of the CHANNEL and VOLUME keys.
· After you switch-off the TV set with the Mains voltage
How to exit switch.
Switch the set to STANDBY by pressing the power button on
the remote control (if you switch the set 'off' by removing the
Mains voltage, the set will return in SAM when Mains voltage is 5.3 Problems and Solving Tips (Related To CSM)
re-applied). The error buffer is not cleared.
5.3.1 Picture Problems
5.2.3 Customer Service Mode (CSM)
Note: Below described problems are all related to the TV
Purpose settings. The procedures to change the value (or status) of the
When a customer is having problems with his TV-set, he can different settings are described.
call his dealer. The service technician can than ask the
customer to activate the CSM, in order to identify the status of No colours/noise in picture
the set. Now, the service technician can judge the severness of Check CSM line 4. Wrong colour system installed. To change
the complaint. In many cases, he can advise the customer how the setting:
to solve the problem, or he can decide if it is necessary to visit 1. Press the MENU button on the remote control.
the customer. 2. Select the INSTALL sub menu.
The CSM is a read only mode, therefore modifications in this 3. Select the MANUAL STORE sub menu.
mode are not possible. 4. Select and change the SYSTEM setting until picture and
sound are correct.
How to enter 5. Select the STORE menu item.
Colours not correct/unstable picture
Check CSM line 4. Wrong colour system installed. To change
1 A A A B C D X . Y C S M the setting:
2 C O D E S X X X X XX X X X X
3 O P X X X X X X X X X X X X X X X X X X X X X
1. Press the MENU button on the remote control.
4
5
D
N
E
O
T E C T E D
T T U N E D
S Y S T E M D E T E C T E D
S K I P P E D
S O U N D 2. Select the INSTALL sub menu.
6 T I M E R 3. Select the MANUAL STORE sub menu.
7
8 C O X X C L X X B R X X H U X X S H X X 4. Select and change the SYSTEM setting until picture and
9 V L X X B L X X A V L D V X X
10 T R X X B S X X sound are correct.
5. Select the STORE menu item.
TV switches `off' (or `on') or changes the channel without
CL 16532008_046.eps
220501 any user action
(Sleep)timer switched the set `off' or changed channel. To
Figure 5-5 change the setting:
1. Press the MENU button on the remote control.
The CSM will be turned on after pressing the MUTE key on the 2. Select the FEATURES sub menu.
remote control transmitter and any of the control buttons on the 3. Select the TIMER sub menu.
TV for at least 4 seconds simultaneously. This activation only 4. Select and change the SLEEP or TIME setting.
works if there is no menu on the screen.
Picture too dark or too bright
After switching ON the Customer Service Mode, the following Increase/decrease the BRIGHTNESS and/or the CONTRAST
screen will appear: value when:
· The picture improves after you have pressed the `Smart
1. Software identification of the main micro controller (see Picture' button on the remote control.
paragraph 5.2.2 for an explanation). · The picture improves after you have switched on the
2. Error code buffer (see paragraph 5.5 for more details). Customer Service Mode
Displays the last seven errors of the error code buffer. The new `Personal' preference value is automatically stored.
3. In this line, the Option Bytes (OP) are visible. Each Option
Byte is displayed as a decimal number between 0 and 255. White line around picture elements and text
The set may not work correctly when an incorrect option Decrease the SHARPNESS value when:
code is set. See chapter 8.3.1 for more information on the · The picture improves after you have pressed the `Smart
option settings. Picture' button on the remote control.
4. Indicates which colour and sound system is installed for the · The picture improves after you have switched on the
selected pre-set. Customer Service Mode
5. Indicates if the set is not receiving an `IDENT' signal on the The new `Personal' preference value is automatically stored.
selected source. It will display `Not Tuned'.
6. Indicates if the sleep timer is enabled. Snowy picture
7. Not applicable for Europe. Check CSM line 5. If this line indicates `Not Tuned', check the
8. Value indicates parameter levels at CSM entry. CO= following:
CONTRAST, CL= COLOR, BR= BRIGHTNESS, HU= · No or bad antenna signal. Connect a proper antenna
HUE, SH= SHARPNESS signal.
9. Value indicates parameter levels at CSM entry. VL= · Antenna not connected. Connect the antenna.
VOLUME LEVEL, BL= BALANCE LEVEL, AVL= AUTO
VOLUME LEVEL LIMITER, DV= DELTA VOLUME
EN 10 5. L01.2E AB Service Modes, Error Codes, and Fault Finding
· No channel/pre-set is stored at this program number. Go to · Automatic (by communication with the television): ComPair
the INSTALL menu and store a proper channel at this can automatically read out the contents of the entire error
program number. buffer. Diagnosis is done on I2C level. ComPair can access
· The tuner is faulty (in this case the CODES line will contain the I2C bus of the television. ComPair can send and
error number 10). Check the tuner and replace/repair if receive I2C commands to the micro controller of the
necessary. television. In this way, it is possible for ComPair to
communicate (read and write) to devices on the I2C busses
Snowy picture and/or unstable picture of the TV-set.
· A scrambled or decoded signal is received. · Manually (by asking questions to you): Automatic
diagnosis is only possible if the micro controller of the
television is working cor