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Philips L01.2E AB Service Manual

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Colour Television
Contents
©
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
Page
4
5
6
7
13
14
15
Diagram
PWB
(A1) 16
28-33
(A2) 17
28-33
(A3) 18
28-33
(A4) 19
28-33
(A5) 20
28-33
(A6) 21
28-33
(A7) 22
28-33
28-33
(A9) 24
28-33
28-33
28-33
28-33
35
37
38
39
46
57
60
Subject to modification
Chassis
L01.2E
AB
(SMALL SCREEN)
CL 16532008_041.eps
160501
EN 3122 785 15250

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  Summary of Contents for Philips L01.2E AB

  • Page 1: 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 0562 Service PaCE...
  • Page 2: Technical Specifications, Connections, And Chassis Overview

    EN 2 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...
  • Page 3 Technical Specifications, Connections, and Chassis Overview L01.2E AB EN 3 1.2.2 Rear Connections - Audio L (0.5 Vrms / 10 kΩ) (0.7 Vpp / 75 Ω) 75 Ohm - Blue / U - CVBS-status 0 - 2.0 V: INT 4.5 - 7 V: EXT 16:9 9.5 - 12 V: EXT 4:3...
  • Page 4: Safety Instructions, Warnings, And Notes

    EN 4 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...
  • Page 5: Directions For Use

    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.
  • Page 6: Mechanical Instructions

    EN 6 L01.2E AB Mechanical Instructions 4. Mechanical Instructions Index of this chapter: 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].
  • Page 7: Service Modes, Error Codes, And Fault Finding

    Service Modes, Error Codes, and Fault Finding L01.2E AB 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) •...
  • Page 8 EN 8 L01.2E AB Service Modes, Error Codes, and Fault Finding Specifications • Operation hours counter. • Software version. • Option settings. • Error buffer reading and erasing. A A A B C D E E X . Y S D M •...
  • Page 9 Service Modes, Error Codes, and Fault Finding L01.2E AB 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).
  • Page 10 5.4.1 Introduction 5.4.3 How To Connect ComPair (Computer Aided Repair) is a service tool for Philips 1. First install the ComPair Browser software (see the Quick Consumer Electronics products. ComPair is a further Reference Card for installation instructions). development on the European DST (service remote control), 2.
  • Page 11 Service Modes, Error Codes, and Fault Finding L01.2E AB EN 11 5.4.4 How To Order – ERROR: 9 6 0 0 0 : Error code 6 was first detected and error code 9 is the last detected (newest) error •...
  • Page 12 EN 12 L01.2E AB Service Modes, Error Codes, and Fault Finding The Blinking LED Procedure same time, measure the ‘+8V’. If this voltage is missing, check transistor TS7408. • Set is non-stop in hiccup mode Via this procedure, you can make the contents of the error Set is in over current mode;...
  • Page 13: Block Diagrams, Testpoint Overviews, And Waveforms Block Diagram

    Block Diagrams, Testpoint Overviews, and Waveforms L01.2E AB 6. Block Diagrams, Testpoint Overviews, and Waveforms Block Diagram REAR I/O SCART AUDIO/VIDEO AUDIO AMPLIFIER FRONT CONTROL CONTROL +3.3V +3.3V SOURCE SWITCHING 7801 MONO SETS ONLY 7941:7943 WITHOUT 7602 7101 HEF4052BT MONO/AM-MONO-SOUND...
  • Page 14: Testpoint Overview

    Block Diagrams, Testpoint Overviews, and Waveforms L01.2E AB Testpoint Overview Main Panel Copper Track Side AUDIO OUTPUT 7901 OR 7902 500mV / div DC 500mV / div DC 1V / div DC 250ns / div 5ms / div 20us / div TV-PROC.
  • Page 15: I2C And Supply Voltage Diagram

    Block Diagrams, Testpoint Overviews, and Waveforms L01.2E AB I2C and Supply Voltage Diagram POWER SUPPLY LINE DEFLECTION 6560 5445 VIDEO OUTPUTS ANODE CRT FOCUS FOCUS 3336 6561 FOCUS CRT 5560 5563 5561 MAIN SUPPLY 3487 C-7332 5451 5500 : VG2 CRT...
  • Page 16: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts L01.2E AB 7. Circuit Diagrams and PWB Layouts Mono Carrier: Power Supply 0211 B1 0282 F11 2502 B5 2507 B7 2521 D1 2526 D6 2547 F9 2563 D8 2568 G8 3502 B4 3507 D3 3522 C5...
  • Page 17: Mono Carrier: Line Deflection (A2)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Line Deflection 0220 F6 6416 F4 0221 A5 6419 D9 2400 F4 6420 E10 2403 D2 6423 F9 LINE DEFLECTION 2404 A4 7401 E2 2405 D3 7402 D4 2406 D3 7403 D2...
  • Page 18 Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Frame Deflection 2477 B2 0222 C6 2472 C3 2475 C2 3472 D5 3474 B2 3476 C4 3478 C5 5471 B5 6472 B5 7471 B3 2471 B3 2473 A4 2476 C4 3471 D5...
  • Page 19 Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Tuner IF 2008 C4 2010 A3 3001 C2 3003 B6 3005 C7 3007 D4 3009 D5 3011 D3 4001 C4 4003 E5 4005 D5 4007 B6 5002 C4 0265 A3 0285 B1...
  • Page 20: Mono Carrier: Video If + Sound If (A5)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Video IF + Sound IF 0243 C6 4216 F9 0248 C2 5201 D7 0249 B2 5202 A8 0266 E11 6201 F4 VIDEO IF + SOUND IF 0276 C2 6202 F5 1200 E7...
  • Page 21: Mono Carrier: Synchronisation (A6)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Synchronisation 2241 D3 2243 B3 2245 D4 2247 B6 2249 B2 2252 C6 2254 A2 3242 B2 3245 D4 3247 D6 3249 C6 3251 B6 3256 B6 3258 B2 5241 A6...
  • Page 22: Mono Carrier: Control (A7)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Control 0217 F2 FOR ITV ONLY 0240 A2 CONTROL 0240 0250 B2 0261 D2 DATA-OUT 0273 A4 3611 +3.3V +3.3V 0274 B8 DATA-IN TO 0240 5602 100R 0287 B2 CLOCK 1660 E7...
  • Page 23: Mono Carrier: Audio Amplifier + Mono Sound Processing (A8)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Audio Amplifier + Mono Sound Processing 0246 B10 0271 B2 0275 B4 2901 A7 AUDIO_AMPLIFIER + MONO_SOUND_PROCESSING 2902 A7 2903 B5 2904 B4 2905 B5 2906 C4 AUDIO AMPLIFIER 2907 C5...
  • Page 24: Mono Carrier: Nicam + 2Cs + Btsc Decoder (A9)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: NICAM + 2CS + BTSC Decoder 1831 B8 2831 C8 2832 C8 2833 C4 NICAM + 2CS + BTSC (STEREO/SAP) DECODER 2834 B4 2843 2835 B4 2836 B4 2837 B4 2842...
  • Page 25: Mono Carrier: Audio/Video Source Switching (A10)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Audio/Video Source Switching 2801 B4 2802 F4 2803 D2 AUDIO/VIDEO SOURCE SWITCHING 2804 C5 Output HEF Logic 2805 E5 Scart1 Scart2 Monitor SEL-MAIN-FRNT-RR SC2_CTRL 3801 A2 3801 +6V8 3802 A2 RF Mode...
  • Page 26: Mono Carrier: Front I/O, Control, And Headpone (A12)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Front I/O, Control, and Headpone 0214 D9 0218-A C2 0218-C A2 0232 E5 0259 D10 0277-A A1 0278 D7 0292 E4 1182 B2 1600 B10 1602 A9 1606 A7 2182 B3...
  • Page 27: Mono Carrier: Rear I/O Scart (A13)

    Circuit Diagrams and PWB Layouts L01.2E AB Mono Carrier: Rear I/O SCART 0224-A F11 3117 E4 0224-B F11 3118 E5 0227 A7 3119 F3 REAR I/O SCART 0229 E7 3120 F4 TO 0227 0F 0235-A A1 3121 F3 TO 0227 0F...
  • Page 28: Mono Carrier: Frame Deflection (A3)

    Circuit Diagrams and PWB Layouts L01.2E AB Layout Mono Carrier (Top Side) 0211 A2 2523 A3 3526 B3 7540 B3 9660 C4 0212 B2 2560 A4 3527 B3 7560 C4 9661 D5 0213 B2 2561 A4 3543 B3 7602 D4...
  • Page 29 Circuit Diagrams and PWB Layouts L01.2E AB Layout Mono Carrier (Overview Bottom Side) 2001 E1 2616 D2 3240 E1 3951 E4 6580 C4 2002 E1 2618 D3 3241 E2 4001 E1 6581 C5 2003 E1 2619 D2 3242 E3 4002 E2...
  • Page 30 Circuit Diagrams and PWB Layouts L01.2E AB Layout Mono Carrier (Part 1 Bottom Side) Part 1 F_12751_002a.eps 060105...
  • Page 31 Circuit Diagrams and PWB Layouts L01.2E AB Layout Mono Carrier (Part 2 Bottom Side) Part 2 F_12751_002b.eps 060105...
  • Page 32 Circuit Diagrams and PWB Layouts L01.2E AB Layout Mono Carrier (Part 3 Bottom Side) Part 3 F_12751_002c.eps 060105...
  • Page 33 Circuit Diagrams and PWB Layouts L01.2E AB Layout Mono Carrier (Part 4 Bottom Side) Part 4 F_12751_002d.eps 060105...
  • Page 34 Circuit Diagrams and PWB Layouts L01.2E AB CRT Panel VG2 F9 0244 G2 0254-A D7 2313 E3 2331 B3 2342 G2 3311 F2 3313 F3 3316 D4 3321 D2 3323 D3 3326 B4 3331 B2 3333 B3 3336 A4 3341 E5...
  • Page 35: Crt Panel (B1) 34

    Circuit Diagrams and PWB Layouts L01.2E AB Layout CRT Panel (Top View) Layout CRT Panel (Bottom View) 0165 2313 A2 0244 2323 A2 0245 2331 A2 0254 2344 A2 1300 3311 A2 2341 3312 A2 2342 3313 A2 2343 3321 A2...
  • Page 36: Side Av + Hp Panel

    Circuit Diagrams and PWB Layouts L01.2E AB Side AV + HP Panel Layout Side AV + HP Panel (Top View) 0232 E4 0250-A C2 0250-B D2 SIDE AV + HP PANEL 0250-C B2 0251 A5 0254 E2 0255 E5 0277-A A1...
  • Page 37 Circuit Diagrams and PWB Layouts L01.2E AB Side AV Panel Layout Side AV Panel (Top View) 0250-A B1 0250-B C1 SIDE AV 0250-C A1 0251 B4 0252 B1 0253 A4 0261 D4 0253 1152 A2 1153 C2 1154 B2 2171 C3...
  • Page 38: Side Av Panel + Headphone (E1) 38

    Circuit Diagrams and PWB Layouts L01.2E AB Side AV Panel + Headphone Layout Side AV Panel + Headphone (Top View) 0232 D4 0250-A B2 SIDE AV PANEL & HEADPHONE 0250-B C2 0250-C A2 0251 B5 0252 B2 0253 A5 0254 D2...
  • Page 39: Alignments

    Alignments L01.2E AB EN 39 8. Alignments Index of this chapter: – BRIGHTNESS to minimum (OSD just visible in a dark 8.1 General Alignment Conditions room). 8.2 Hardware Alignments 5. Return to the SAM via the MENU key. 8.3 Software Alignments and Settings 6.
  • Page 40 EN 40 L01.2E AB Alignments 4. Geometry 5. Audio 7\SHQXPEHU 2% 2% 2% 2% 2% 2% 2% 37 37 8.3.1 Options 37 37 37 37 37 37 37 S A M 37 37 37 37 37 O P 1 X X X 37&...
  • Page 41 – OP50: PIP OP17: PHILIPS_TUNER – OP51: HOTEL_MODE 0 : ALPS/MASCO compatible tuner is in use, – OP52: SVHS 1 : Philips compatible tuner is in use, – OP53: CVI Default setting : 0. – OP54: AV3 – OP55: AV2 OP20: HUE –...
  • Page 42 EN 42 L01.2E AB Alignments Note: Name FM channel can be enabled only when OP42: STEREO_PB FM_RADIO = 1. 0 : For AP_PAL, chip MSP3465 is not present, 1 : For AP_PAL, chip MSP3465 is present, OP26: SMART_PICTURE Default setting : 0.
  • Page 43 Alignments L01.2E AB EN 43 100 : BG/I/DK/M OP61: SMART_TEXT Default setting : 00 0 : Smart Text Mode and Favourite Page are disabled or not applicable, OP73: COLOR_SYSTEM_AP 1 : Smart Text Mode and Favourite Page are enabled, This option bit is allocated for AP-PAL colour system selection.
  • Page 44 EN 44 L01.2E AB Alignments YD (Y-delay adjustment) Fixed value is 7. VERT. SLOPE CL (Cathode drive level) Fixed value is 5. VERT. SHIFT Read only bit, for monitoring purpose only. VERT. AMPLITUDE Read only bit, for monitoring purpose only.
  • Page 45 Alignments L01.2E AB EN 45 • V60. Align straight vertical lines if NTSC input (60 Hz) is used i.s.o. PAL (50 Hz). See also Figure 8-9 numbers 1, 3, 4, and 2. In the table below, you will find the GEOMETRY default values for the different sets.
  • Page 46: Circuit Descriptions, Abbreviation List, And Ic Data Sheets

    EN 46 L01.2E AB Circuit Description 9. Circuit Description Index of this chapter: 9.1 Introduction 9.2 Audio Signal Processing 9.3 Video Signal Processing 9.4 Synchronisation 9.5 Deflection 9.6 Power Supply 9.7 Control 9.8 Abbreviation list 9.8 Abbreviation list Notes: •...
  • Page 47 Circuit Description L01.2E AB EN 47 AUDIO SOURCE SELECTION EXT. AUDIO 7801 7861 INPUT 7831 EXT. AUDIO OUT CONTROL AUDIO DECODING 7209 7210 7901 PROCESSING SELECTION FM IF AUDIO MATR. SWITCH BUFFER AMPL. 7834 7835 7200 RF ANT. SOUND FM ANT.
  • Page 48 EN 48 L01.2E AB Circuit Description 9.2.3 FM radio (if present) 7200 The FM radio uses the 10.7 MHz concept. This SIF frequency is available at pin 10 of the tuner. Via a pre-amplifier (TS7209 RGB/YUV INSERT 56 58 PANEL...
  • Page 49 Circuit Description L01.2E AB EN 49 signal. It operates in such a way that maximum stretching 9.3.7 RGB Amplifier is obtained when signals with a low video level are received. For bright pictures, stretching is not active. From outputs 56, 57 and 58 of IC7200, the RGB signals are •...
  • Page 50 EN 50 L01.2E AB Circuit Description 9.5.2 Vertical Drive SUPPLY START-UP V CC DRAIN A divider circuit performs the vertical synchronisation. The MANAGEMENT CURRENT SOURCE clamp vertical ramp generator needs an external resistor (R3245, pin internal UVLO start n.c. VALLEY...
  • Page 51 Circuit Description L01.2E AB EN 51 Degaussing Control Circuit B1/B2 Main Supply Focus n⋅V Mains AC Input Main Power Panel VideoSupply Supply Main Aux Filament Tilt& Rotation Degaussing GATE Circuit VlotAux +13V 3V3 Reg. Correction Horizontal Vaux Deflection GATE +3.9V +3.3V...
  • Page 52 EN 52 L01.2E AB Circuit Description The moment that the voltage on pin 1 drops below the ‘under voltage lock out‘ level (UVLO = ± 9 V), the IC will stop switching and will enter a safe restart from the rectified mains voltage.
  • Page 53 Circuit Description L01.2E AB EN 53 In Standby, the power supply works in ‘burst mode’. Burst mode can be used to reduce the power consumption Active/ below 1 W at stand-by. During this mode, the controller is active inactive (generating gate pulses) for only a short time and for a longer time inactive waiting for the next burst cycle.
  • Page 54 EN 54 L01.2E AB Circuit Description Over Power Protection 9.7.1 Introduction During the primary stroke, the rectified AC input voltage is measured by sensing the current drawn from pin 4 (DEM). This The microprocessor part of the UOC has the complete control current is dependent on the voltage on pin 9 of transformer and teletext on board.
  • Page 55 Circuit Description L01.2E AB EN 55 – 9.5 to 12 V: EXTERNAL 4:3 Abbreviation list • SEL-MAIN-FRNT-RR This is the ‘source select control’ signal from the microprocessor. This control line is under 2 Carrier (or Channel) Stereo user control or can be activated by the other two control Automatic Channel Installation: lines.
  • Page 56 EN 56 L01.2E AB Circuit Description Headphone Service Default Mode Colour phase control for NTSC (not SECAM SEequence Couleur Avec Memoire. the same as ‘Tint’) Colour system mainly used in France Monochrome TV system. Sound and East Europe. Colour carriers = carrier distance is 6.0 MHz...
  • Page 57: Spare Parts List

    Spare Parts List L01.2E AB EN 57 10. Spare Parts List Mono Carrier [A] 2210 4822 124 41407 0.47µF 20% 63V 2606 5322 126 10511 1nF 5% 50V 2211 4822 126 13482 470nF 80/20% 16V 2607 5322 122 32659 33pF 5% 50V...
  • Page 58 EN 58 L01.2E AB Spare Parts List 3109 4822 116 52201 75Ω 5% 0.5W 3425 4822 116 52238 12k 5% 0.5W 3692 4822 051 10102 1k 2% 0.25W 3110 4822 116 52175 100Ω 5% 0.5W 3426 4822 051 20105 1M 5% 0.1W 3693 4822 117 11503 220Ω...
  • Page 59 Spare Parts List L01.2E AB EN 59 6409 4822 130 42488 BYD33D 0252 4822 267 10565 4P 6410 4822 130 42488 BYD33D 0253 4822 267 10735 6P 6411 4822 130 42488 BYD33D 6412 4822 130 42488 BYD33D 2313 4822 122 33216 270pF 5% 50V...
  • Page 60: Revision List

    EN 60 L01.2E AB Revision List 11. Revision List Manual xxxx xxx xxxx.0 • First release.