Philips L03.2L AA Service Manual
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Philips L03.2L AA Service Manual

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Summary of Contents for Philips L03.2L AA

  • Page 2: Table Of Contents

    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 0564 TV Service...

  • Page 3: Technical Specifications, Connections And Chassis Overview

    EN 2 L03.2L AA Technical Specifications, Connections and Chassis Overview 1. Technical Specifications, Connections and Chassis Overview Index of this chapter: Mini Jack: Audio Head phone - Out 1.1 Technical Specifications Bk - Head phone 8 - 600 ohm / <4 mW 1.2 Connection Overview...
  • Page 4 Technical Specifications, Connections and Chassis Overview L03.2L AA EN 3 Chassis Overview CRT PANEL POWER SUPPLY DEFLECTION TUNER IF IF, VIDEO PROCESSING, CONTROL, AND SYNC. MONO AUDIO BTSC STEREO DECODER CARRIER AUDIO AMP + MONO SOUND PROC. FRONT I/O + FRONT CONTROL + HEADPHONE E_14560_013.eps...

  • Page 5: Safety Instructions, Warnings, And Notes

    EN 4 L03.2L AA Safety Instructions, Warnings, and Notes 2. Safety Instructions, Warnings, and Notes Index of this chapter: 1. Perform the “general repair instruction” noted above. 2.1 Safety Instructions 2. Clean the power supply and deflection circuitry on the 2.2 Maintenance Instructions...

  • Page 6: Directions For Use

    In case of doubt whether the board is lead-free or not (or with mixed technologies), you can use the following method: Philips CE is going to produce lead-free sets (PBF) from • Always use the highest temperature to solder, when using 1.1.2005 onwards.

  • Page 7: Mechanical Instructions

    EN 6 L03.2L AA Mechanical Instructions 4. Mechanical Instructions Index of this chapter: Rear Cover Mounting 4.1 Rear Cover Removal 4.2 Service Position Main Panel Before you mount the rear cover, perform the following checks: 4.3 Rear Cover Mounting 1. Check whether the mains cord is mounted correctly in its guiding brackets.

  • Page 8: Service Modes, Error Codes, And Fault Finding

    Service Modes, Error Codes, and Fault Finding L03.2L AA EN 7 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: • All picture settings at 50 % (brightness, color contrast, 5.1 Test Points hue). 5.2 Service Modes •...
  • Page 9 The error buffer is not cleared. ComPair Problems and Solving Tips 5.4.1 Introduction ComPair (Computer Aided Repair) is a service tool for Philips 5.3.1 Picture Problems Consumer Electronics products. ComPair is a further development on the European DST (service remote control), Note: Below described problems are all related to the TV which allows faster and more accurate diagnostics.
  • Page 10 Service Modes, Error Codes, and Fault Finding L03.2L AA EN 9 connector (located on the Main panel, (see figure "Top view Mono Carrier" in chapter 8 "Alignments"). I 2 C SERVICE CONNECTOR The ComPair faultfinding program is able to determine the problem of the defective television.
  • Page 11 EN 10 L03.2L AA Service Modes, Error Codes, and Fault Finding Error Codes In case of non-intermittent faults, clear the error buffer before you begin the repair. These 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...

  • Page 12: Block Diagrams, Testpoint Overviews, And Waveforms Block Diagram

    Block Diagrams, Testpoint Overviews, and Waveforms L03.2L AA EN 11 6. Block Diagrams, Testpoint Overviews, and Waveforms Block Diagram FRONT I/O AUDIO PROCESSING (BTSC STEREO DECODER) AUDIO AMPLIFIER FRONT CONTROL CONTROL +3.3V MONO STEREO 7901 AN7522N (STEREO) 7641 SY_CVBS_IN 7902 AN7523N (MONO)

  • Page 13: I2C And Supply Voltage Overview

    Block Diagrams, Testpoint Overviews, and Waveforms L03.2L AA EN 12 C and Supply Voltage Overview POWER SUPPLY DEFLECTION 1512 RESERVED 7580 5441 1515 ENERGIZING Degaussing -12V -12V 3424 3503 -12V CIRCUIT Coil FOCUS (optional) FOCUS 7421 5421 BUT11APX 7423 7422...

  • Page 14: Testpoint Overview Mono Carrier And Crt Panel

    Block Diagrams, Testpoint Overviews, and Waveforms L03.2L AA EN 13 Testpoint Overview Mono Carrier and CRT Panel MONO CARRIER TRACK SIDE VIEW CRT TRACK SIDE VIEW 6461 7521 7520 5441 1302 1300 6447 5520 6692 6560 6561 1V / div DC...

  • Page 15: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts L03.2L AA EN 14 7. Circuit Diagrams and PWB Layouts Mono Carrier: Power Supply 1500 B2 7523 F1 1501 B3 7540 F9 1511 C1 7541 G8 1512 B1 7580 A7 POWER SUPPLY 1515 A7 9502 C4...

  • Page 16: Mono Carrier: Deflection

    Circuit Diagrams and PWB Layouts L03.2L AA EN 15 Mono Carrier: Deflection 1400 E10 7464 E4 1401 C4 7465 G5 1402 G6 7466 F4 1463 E8 9402 E4 DEFLECTION 1464 E11 2405 D3 2406 D4 Item 14RF 2408 D5 2420 B2...

  • Page 17: Mono Carrier: Tuner If

    Circuit Diagrams and PWB Layouts L03.2L AA EN 16 Mono Carrier: Tuner IF 1000 C5 1001 D7 1003 D3 1004 E6 TUNER IF 2001 C3 2002 C4 2003 D4 2004 D4 2005 C6 2006 C3 2007 C7 3001 C3 3002 C3...

  • Page 18: Mono Carrier: Video Processing

    Circuit Diagrams and PWB Layouts L03.2L AA EN 17 Mono Carrier: Video Processing 1201 C2 3645 D9 1202 E1 3646 G2 1203 E9 4491 B9 1621 C4 4606 B4 VIDEO PROCESSING 1622 E10 4661 D9 2123 C4 5201 B2 2201 B2...

  • Page 19: Mono Carrier: Audio - Btsc Stereo Decoder

    Circuit Diagrams and PWB Layouts L03.2L AA EN 18 Mono Carrier: Audio - BTSC Stereo Decoder 1861 B5 1883 E4 2861 B4 2862 C2 AUDIO - BTSC STEREO DECODER (ECONOMIC) 2863 C3 2864 B5 2865 B5 2866 D7 2867 D7...
  • Page 20 Circuit Diagrams and PWB Layouts L03.2L AA EN 19 Mono Carrier: Audio Amplifier + Mono Sound Processing 1900 B10 2901 A7 2903 B5 AUDIO_AMPLIFIER + MONO_SOUND_PROCESSING 2904 B4 2905 B5 2906 C4 2907 C5 2908 D3 2909 E4 2947 C9...

  • Page 21: Mono Carrier: Front I/O + Front Control + Headphone

    Circuit Diagrams and PWB Layouts L03.2L AA EN 20 Mono Carrier: Front I/O + Front Control + Headphone 1100-A B1 1100-B C1 1101-A B2 1101-B C2 FRONT IO + FRONT CONTROL + HEADPHONE 1101-C D2 1181 B3 1182 C3 1183 C3...
  • Page 22 Circuit Diagrams and PWB Layouts L03.2L AA EN 21 Layout Mono Carrier (Top Side) 1000 D4 3208 B4 6446 D1 9612 A3 1001 C4 3210 B4 6447 D2 9617 B3 1003 D4 3402 D2 6448 D3 9618 B3 1004 C4...
  • Page 23 Circuit Diagrams and PWB Layouts L03.2L AA EN 22 Layout Mono Carrier (Overview Bottom Side) 2001 D1 3231 B1 4923 A1 2003 D1 3232 B1 4924 A1 2004 D1 3410 C2 4925 A1 Part 1 2005 C1 3430 D2 4927 A1...
  • Page 24 Circuit Diagrams and PWB Layouts L03.2L AA EN 23 Layout Mono Carrier (Part 1 Bottom Side) Part 1 E_14560_002a.eps 190204...
  • Page 25 Circuit Diagrams and PWB Layouts L03.2L AA EN 24 Layout Mono Carrier (Part 2 Bottom Side) Part 2 E_14560_002b.eps 190204...

  • Page 26: Crt Panel

    Circuit Diagrams and PWB Layouts L03.2L AA EN 25 CRT Panel VG2 E9 1300 B1 1301-1 A7 CRT PANEL 1302-A C7 170V0 1303 A7 1304 A7 2300 B3 170V0 2301 C4 2302 D4 1303 2303 E2 2304 E1 2318 E4...
  • Page 27 Circuit Diagrams and PWB Layouts L03.2L AA EN 26 Layout CRT Panel (Top Side) Layout CRT Panel (Bottom Side) 2300 A1 2301 A1 1300 A1 2302 A1 1301 B1 1302 B1 2318 A1 1303 B1 3302 A1 1304 B1 3303 A1...

  • Page 28: Alignments

    Alignments L03.2L AA EN 27 8. Alignments Index of this chapter: 4. In the WHITE TONE sub menu, press the MENU UP/ 8.1 General Alignment Conditions DOWN keys to select NORMAL RED, NORMAL GREEN, 8.2 Hardware Alignments or NORMAL BLUE.
  • Page 29 EN 28 L03.2L AA Alignments 4. In the OPTIONS sub menu, press the MENU UP/DOWN keys to select 'OP 1' through 'OP 7'. 5. Use the number keys on the remote control transmitter to enter a new value for the selected option byte. The value must be entered as a three-digit value (for example, '4' max.
  • Page 30 FM radio feature is enabled LATAM & NAFTA: 0 OBx7 PHILIPS_TUNER ALPS / MASCO compatible tuner is in use Philips compatible tuner is in use LATAM & NAFTA: 0 OBx0 Hue/Tint Level is disabled or not applicable Hue/Tint Level is enabled LATAM &...
  • Page 31 EN 30 L03.2L AA Alignments Option Byte Option Bit Definition OP # Assignment Bit = [0] Bit = [1] Default setting OBx0 PIP or CLOCK Feature is disabled or not applicable Feature is enabled LATAM & NAFTA: 0 OBx1 HOTEL_MODE...
  • Page 32 Alignments L03.2L AA EN 31 8.3.2 Tuner CL (Cathode Drive Level) Fixed value is "7". Note: Described alignments are only necessary when the NVM (part reference number 7641) is replaced. 8.3.3 White Tone IFPLL The values of the 'black cut-off level' can be adjusted in the This adjustment is auto-aligned.
  • Page 33 EN 32 L03.2L AA Alignments 8.3.4 Geometry 12. When all desired changes to the HORIZONTAL and VERTICAL sub menu values are made, press the MENU button twice to return to the top level SDAM menu. Introduction 13. To ensure the GEOMETRY settings are saved: The geometry alignment menu contains several items for –...
  • Page 34 Alignments L03.2L AA EN 33 The table below lists the default GEOMETRY values for the – Turn the television set 'off' by using the 'POWER' different television sets. button on the remote control transmitter or the local keyboard. – Disconnect the television set from AC power for at Table 8-3 Default geometry values least ten seconds.

  • Page 35: Circuit Descriptions, List Of Abbreviations, And Ic Data Sheets34

    EN 34 L03.2L AA Circuit Descriptions, List of Abbreviations, and IC Data Sheets 9. Circuit Descriptions, List of Abbreviations, and IC Data Sheets Index of this chapter: Source Selection 9.1 Introduction 9.2 Source Selection The Source Select is divided mainly into two types, the "Mono 9.3 Audio...
  • Page 36 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L03.2L AA EN 35 The volume level is controlled at this IC (pin 9) by the with the incoming CVBS signal. They are then fed to the H- and "VOLUME" control line coming from the microprocessor. After...
  • Page 37 EN 36 L03.2L AA Circuit Descriptions, List of Abbreviations, and IC Data Sheets Control This is of logic "high" (3.3 V) under normal operation of the TV. When the TV set is in Standby (or fault) condition, this signal is a continuous pulse of 5 ms "low"...

  • Page 38: Abbreviation List

    Circuit Descriptions, List of Abbreviations, and IC Data Sheets L03.2L AA EN 37 Abbreviation List and horizontal amplitude correction, beam current protection, and flash detection 2 Carrier Sound Electronic Program Guide; System Automatic Channel Installation: used by broadcasters to transmit TV...
  • Page 39 EN 38 L03.2L AA Circuit Descriptions, List of Abbreviations, and IC Data Sheets Power-On Reset; Signal to reset the µP Picture Tube Panel (or CRT-panel) Random Access Memory Remote Control transmitter Red, Green, and Blue colour space; The primary colour signals for TV. By...

  • Page 40: Spare Parts List

    Spare Parts List L03.2L AA EN 39 10. Spare Parts List Mono Carrier [A] 2462 9965 000 23799 10nF 5% 50V 2952 9965 000 23739 820pF 5% 50V 0805 2463 9965 000 14076 47µF 20% 50V 2981 9965 000 14075 10µF 20% 50V...
  • Page 41 EN 40 L03.2L AA Spare Parts List 3468 9965 000 12592 330Ω 5% 0.16W 3904 9965 000 17505 10kΩ 5% 0.1W 6464 9340 255 30135 BAS216 3470 9965 000 27258 NFR 1R 1/3W /-5% 3905 4822 051 20332 2.3kΩ 5% 0.1W...
  • Page 42 Spare Parts List L03.2L AA EN 41 3303 4822 117 13577 330Ω 1% 1.25W 0805 3304 9965 000 23309 18kΩ 5% 3W 3305 9965 000 24633 RST 1.5K 1/2W +/-10% 3307 4822 117 13577 330Ω 1% 1.25W 0805 3308 9965 000 23309 18kΩ 5% 3W 3309 9965 000 24633 RST 1.5K 1/2W +/-10%...

  • Page 43: Revision List

    EN 42 L03.2L AA Revision List 11. Revision List Manual xxxx xxx xxxx.0 • First release. Manual xxxx xxx xxxx.1 • Minor updates. – Text – IC Data sheet deleted. – Mapping CRT bottom side corrected.

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