Philips L04A AB Service Manual
  1. Manuals
  2. Brands
  3. Philips Manuals
  4. TV
  5. L04A AB
  6. Service manual

Philips L04A AB Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
www.freeservicemanuals.info
Colour Television
Contents
Waveforms
©
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 0563 Service PaCE
Page
Contents
2
4
6
13
25
26
27
28
29
30
31
Diagram PWB
(A1) 32
41-46
(A2) 33
41-46
(A3) 34
41-46
(A4) 35
41-46
(A5) 36
41-46
41-46
(A7) 38
41-46
(A8) 39
41-46
(A9) 40
41-46
(A10) 40
41-46
(B1) 47
49-50
(B2) 48
49-50
51
52
53
54
55
56
57
57
(T1) 58
63-64
Printed in the Netherlands
Subject to modification
Chassis
L04A
AB
E_14770_058.eps
2314 04
Page
(T2) 59
63-64
(T3) 60
63-64
(T4) 61
63-64
(T5) 62
63-64
66
67
73
81
82
84
89
EN 3122 785 14772

Advertisement

Table of Contents
loading

Related Manuals for Philips L04A AB

Summary of Contents for Philips L04A 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 0563 Service PaCE...

  • Page 2: Technical Specifications, Connections, And Chassis Overview

    EN 2 L04A AB Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Index of this chapter: 1.3.1 Side Connections 1.1 Introduction 1.2 Technical Specifications SIDE I/O 1.3 Connections 1.4 Chassis Overview S-Video (optional) Video...
  • Page 3 Technical Specifications, Connections, and Chassis Overview L04A AB EN 3 Chassis Overview FRONT INTERFACE PANEL CRT PANEL SCAVEM SIDE AV PANEL + POWER SUPPLY HEADPHONE LINE & FRAME DEFLECTION DPTV SDP TUNER IF TRIDENT PANEL Y Pb Pr INPUT...

  • Page 4: Safety Instructions, Warnings, And Notes

    EN 4 L04A AB Safety Instructions, Warnings, and Notes 2. Safety Instructions, Warnings, and Notes Index of this chapter: Service Default Mode (see chapter 5) with a colour bar 2.1 Safety Instructions signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated 2.2 Warnings...
  • Page 5 "Magazine", chapter "Workshop information". 2.3.4 Lead Free Solder For additional questions please contact your local repair help desk. Philips CE is going to produce lead-free sets (PBF) from 1.1.2005 onwards. 2.3.5 Practical Service Precautions • It makes sense to avoid exposure to electrical shock.

  • Page 6: Directions For Use

    EN 6 L04A AB Directions for Use 3. Directions for Use You can also download this information from the following websites: http://www.philips.com/support http://www.p4c.philips.com...
  • Page 7 Directions for Use L04A AB EN 7...
  • Page 8 EN 8 L04A AB Directions for Use...
  • Page 9 Directions for Use L04A AB EN 9...
  • Page 10 EN 10 L04A AB Directions for Use...
  • Page 11 Directions for Use L04A AB EN 11...
  • Page 12 EN 12 L04A AB Directions for Use...

  • Page 13: Mechanical Instructions

    Mechanical Instructions L04A AB EN 13 4. Mechanical Instructions Index of this chapter: Assies/Panels Removal 4.1 Set Disassembly 4.2 Service Position 4.3.1 Front assy/panel Removal 4.3 Assies/Panels Removal 4.4 Set Re-assembly Note: Figures below can deviate slightly from the actual situation, due to different set executions.
  • Page 14 EN 14 L04A AB Mechanical Instructions 4.3.2 Side AV Assy/Panel Removal 1. Remove screw [1] at the bottom of the Trident bracket. 2. To remove bracket pull both fixation clamps [2] while lifting at the opposite side near the heatsink [3].

  • Page 15: Service Modes, Error Codes And Fault Finding

    Service Modes, Error Codes and Fault Finding L04A AB EN 15 5. Service Modes, Error Codes and Fault Finding Index of this chapter: Note: Not all listed test points are measured. 5.1 Test Points 5.2 Service Modes Perform measurements under the following conditions: 5.3 Problems and Solving Tips Related to CSM...
  • Page 16 EN 16 L04A AB Service Modes, Error Codes and Fault Finding 5.2.1 Service Default Mode (SDM) How to navigate Use one of the following methods: • When you press the MENU button on the remote control, Purpose the set will switch on the normal user menu in the SDM •...
  • Page 17 Service Modes, Error Codes and Fault Finding L04A AB EN 17 Menu explanation How to exit 1. LLLLL. This represents the run timer. The run timer counts Switch the set to STANDBY by pressing the POWER button on normal operation hours, but does not count standby hours the remote control transmitter or the television set.
  • Page 18 3. In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu (if necessary). ComPair (Computer Aided Repair) is a service tool for Philips 4. Press the MENU LEFT/RIGHT keys to enter the PICTURE Consumer Electronics products. ComPair is a further sub menu.
  • Page 19 Service Modes, Error Codes and Fault Finding L04A AB EN 19 5.4.2 Specifications I 2 C SERVICE CONNECTOR ComPair consists of a Windows based faultfinding program and an interface box between PC and the product. The ComPair interface box is connected to the PC via a serial or RS232 cable.
  • Page 20 EN 20 L04A AB Service Modes, Error Codes and Fault Finding Note: If you exit SAM by disconnecting the Mains from the television set, the error buffer is not reset. 5.5.3 Error Codes In case of non-intermittent faults, write down the errors present in the error buffer and clear the error buffer before you begin the repair.
  • Page 21 Service Modes, Error Codes and Fault Finding L04A AB EN 21 Protections 5.8.2 Power Supply Set Not Working If a fault situation is detected, an error code will be generated; and, if necessary, the television set will go into protection Check Power mode.
  • Page 22 EN 22 L04A AB Service Modes, Error Codes and Fault Finding 5.8.3 Deflection Blank Screen One Thin Vertical Line Blank Screen Quick check: • Set in protection mode. • LED blinking with error “3”. Check Vg2 Picture (fine tune)
  • Page 23 Service Modes, Error Codes and Fault Finding L04A AB EN 23 5.8.5 Tuner and IF Picture Ok, No Sound No Picture Picture Ok, No Sound 1. Check that the Option settings are correct. 2. If correct, check that supply voltages are there.
  • Page 24 EN 24 L04A AB Service Modes, Error Codes and Fault Finding 5.8.6 Controller 5.8.8 Audio Processing Below are some guidelines for troubleshooting of the Micro No Sound Controller function. Normally Micro Controller should be checked when there is a problem of startup.

  • Page 25: Block Diagrams, Testpoint Overviews, And

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB 6. Block Diagrams, Testpoint Overviews, and Waveforms Wiring Diagram DEGAUSSING COIL AQUADAG (component view) CRT PANEL 1361 1351 SCAVEM 1332 COIL 1331 1352 LEFT RIGHT SPEAKER SOCKET SPEAKER CRT PANEL 1381...

  • Page 26: Block Diagram Supply And Deflection

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB Block Diagram Supply and Deflection DISPLAY & PROCESSING TRIDENT INTERFACE BOARDA DEFLECTION (SYNC PART) 7201-2 7218 6930DPTVSVP TDA9332H 35 36 37 38 1206 SUPPLY AND DEFLECTION Y_OUT R_OUT SUPPLY INSERTION EHT_INFO...

  • Page 27: Testpoint Overview Mono Carrier

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB Testpoint Overview Mono Carrier F001 E1 F102 D1 F116 E1 F210 E4 F230 D4 F402 B2 F453 B2 F465 A3 F508 A5 F564 C4 F695 C7 F951 D6 I009 E3 I113 C1...

  • Page 28: Block Diagram Video

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB Block Diagram Video VIDEO CONNECTIONS Y, Pb, Pr / RGB INPUT DPTV SDP DISPLAY & PROCESSING TRIDENT INTERFACE (SYNC PART) 7217 MTV030N 1244 V_SYNC 1203 7211-7214 F007 F034 3315 Y_OUT PROC.

  • Page 29: Testpoint Overview Trident, Trident Interface, Front Interface & Crt Panel

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB Testpoint Overview Trident, Trident Interface, Front Interface & CRT Panel F001 B4 I001 A1 Front Interface F002 A4 Trident I002 C2 F003 B4 I003 D2 F004 B4 I005 D2 F005 A1...

  • Page 30: Block Diagram Audio/Control

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB Block Diagram Audio/Control AUDIO TUNER IF HERCULES REAR I/O CINCH 7200-A (IF) 7200-F (AUDIO) 7003 DIGITAL PART SSIF VT_SUPPLY 6001 BZX79-C33 5001 SC1_R_OUT PHASE FM/QSS SCART AMPLI AUDIO DIGITAL AUDIO DISC...

  • Page 31: I2C And Supply Voltage Overview

    Block Diagrams, Testpoint Overviews, and Waveforms L04A AB I2C and Supply Voltage Overview SUPPLY LINES DIAGRAM POWER SUPPLY LINE + FRAME DEFLECTION SCAVEM 7541 +Vbatt TUNER IF 1503 ENERGIZING V_DG V_DG CIRCUIT 1401 (optional) Vbatt 5445 1331 Vbatt 5001...

  • Page 32: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts L04A AB 7. Circuit Diagrams and PWB Layouts Mono Carrier: Power Supply 1500 C2 4534 F8 I532 G5 1501 B2 4535 F8 I533 F5 1502 B3 4536 G9 I535 F6 1503 A7 4537 F9...

  • Page 33: Mono Carrier: Line Deflection (A2)

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Line Deflection 1401 C3 6477 B9 1402 B4 6480 C10 1403 F4 6481 D9 1404 B6 6482 A10 1451 F10 6483 B2 1452 E8 6484 B2 LINE & FRAME DEFLECTION...

  • Page 34: Mono Carrier: Tuner If (A3)

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Tuner IF 1000 A4 I016 A6 1001 E9 I017 D4 1002 D9 1003 D9 1005 C3 TUNER IF 1010 A3 1011 B3 1012 C10 1013 D10 2001 C5 2002 C5...

  • Page 35: Mono Carrier: Hercules (A4)

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Hercules 1006 F1 3224 G6 7212 A9 1205 E8 3225 F8 7213 B9 1234 B7 3227 F8 7214 F8 1682 B10 3228 G8 9202 H1 HERCULES 1683 F1 3229 E2...
  • Page 36 Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Features & Connectivities 1206 A10 I231 E9 1207 D10 I233 E5 1213 E10 I234 E2 1220 E8 I240 C2 FEATURES & CONNECTIVITIES 1221 F8 I241 E1 1240 F4 1241 F7...

  • Page 37: Mono Carrier: Class D - Audio Amp. (Res) (A6)

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Class D - Audio Amp. (Res) 1222 F1 3975 A7 1902 C9 4910 B9 1903 A7 4911 C7 2928 A2 4912 D7 CLASS D - AUDIO AMP (RESERVED) 2929 E2...

  • Page 38: Mono Carrier: Audio Amplifier (A7)

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Audio Amplifier 1280 B9 1281 B9 1282 D2 1283 C8 AUDIO_AMPLIFIER 2911 C7 2916 D5 2917 E3 2918 E4 2985 B4 2986 B7 2987 B6 2988 D6 2989 B4 Vaudio+1...

  • Page 39: Mono Carrier: Rear I/O Cinch (A8)

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Rear I/O Cinch 1101 B3 I111 E5 1102 C3 I112 F5 1103 C3 I113 D7 1104 D3 I114 E7 REAR I/O CINCH 1105 D3 I116 D7 1106 E3 I120 E7...

  • Page 40: Mono Carrier: Dvd Power Supply

    Circuit Diagrams and PWB Layouts L04A AB Mono Carrier: Front Control Mono Carrier: DVD Power Supply 1600 B4 1581 A7 1601 B4 1582 A7 1602 B3 2581 A2 FRONT CONTROL 1603 B3 2582 A2 DVD POWER SUPPLY (RESERVED) (RESERVED)

  • Page 41: Mono Carrier: Features & Connectivities (A5)

    Circuit Diagrams and PWB Layouts L04A AB Layout Mono Carrier: (Top Side) 1000 E7 1137 C7 1234 D5 1282 D3 1455 C7 1508 A2 1600 C1 1902 D1 2134 C7 2265 E6 2417 A5 2457 C6 2501 C2 2514 A4...
  • Page 42 Circuit Diagrams and PWB Layouts L04A AB Layout Mono Carrier (Overview Bottom Side) 2001 E1 2104 D1 2205 D4 2221 E4 2237 D2 2256 E3 2270 E3 2289 D5 2462 B1 2519 A4 2564 C5 2590 D5 2928 C6...
  • Page 43 Circuit Diagrams and PWB Layouts L04A AB Layout Mono Carrier (Part 1 Bottom Side) Part 1 3141 053 3129.1 E_14770_017.eps 270804...
  • Page 44 Circuit Diagrams and PWB Layouts L04A AB Layout Mono Carrier (Part 2 Bottom Side) Part 2 3141 053 3129.1 E_14770_017b.eps 270804...
  • Page 45 Circuit Diagrams and PWB Layouts L04A AB Layout Mono Carrier (Part 3 Bottom Side) Part 3 3141 053 3129.1 E_14770_017c.eps 270804...
  • Page 46 Circuit Diagrams and PWB Layouts L04A AB Layout Mono Carrier (Part 4 Bottom Side) Part 4 E_14770_017d.eps 3141 053 3129.1 270804...
  • Page 47 Circuit Diagrams and PWB Layouts L04A AB CRT Panel 0330 B2 1254-A C7 1255 C7 1256-A C7 CRT PANEL 1331 E2 1332 B8 1351 G2 1352 G10 2330 C4 2331 E7 2332 D6 2333 E4 2334 C4 2335 G3...

  • Page 48: Crt Panel: Eco Scavem (B2)

    Circuit Diagrams and PWB Layouts L04A AB CRT Panel: Eco Scavem 0316 A6 I364 C3 1361 B7 I365 C5 1381 E7 I366 B5 2361 A4 I367 B5 ECO SCAVEM 2362 A4 I368 A6 2363 B5 I369 B5 I360 3373...
  • Page 49 Circuit Diagrams and PWB Layouts L04A AB Layout CRT Panel (Top Side) 0316 A2 1331 A1 1381 A2 2361 A2 2381 A2 3335 A1 3356 A1 3371 A2 5330 A1 6331 A1 7363 A2 9352 A1 9373 A1 0330 A1...
  • Page 50 Circuit Diagrams and PWB Layouts L04A AB Layout CRT Panel (Bottom Side) 2331 A2 2336 A2 2383 A1 2389 A1 3337 A2 3366 A1 3374 A1 3385 A1 3390 A1 4330 A2 4374 A1 6361 A1 7362 A1 2332 A1...
  • Page 51 Circuit Diagrams and PWB Layouts L04A AB Side AV + Headphone Panel 1232 B10 SIDE AV PANEL + HP PANEL 1250-A D2 1250-B E2 1250-C C2 1251 A2 1252 B6 1254 B7 1277-A C1 1277-B E1 1278 B11 1279 B11...

  • Page 52: Side Av + Headphone Panel

    Circuit Diagrams and PWB Layouts L04A AB Layout Side AV + Headphone Panel (PV-2) (Top Side) 1232 A4 1252 A1 1278 A4 2172 A2 2175 A2 3151 A2 3154 A1 3157 A3 3160 A1 9175 A2 1250 A3 1254 A3...
  • Page 53 Circuit Diagrams and PWB Layouts L04A AB Top Control Panel (PVO+) Personal Notes: 1010 A2 1012 B4 1014 B3 3011 A2 3013 A3 3015 A4 I010 A2 I012 C2 I014 C3 I016 B3 I018 B4 1011 B3 1013 B2...

  • Page 54: Top Control Panel (Pvo

    Circuit Diagrams and PWB Layouts L04A AB Layout Top Control Panel (PVO+) (Top Side) Layout Top Control Panel (PVO+) (Bottom Side) 1010 A2 1011 A2 1012 A1 1013 A1 1014 B1 3010 A1 3011 A1 3012 B2 3013 A1...
  • Page 55 Circuit Diagrams and PWB Layouts L04A AB Front Interface Panel (With Top Control) Personal Notes: 0211 A1 FRONT INTERFACE PANEL 0212 A4 0214 C1 0218 C1 (WITH TOP CONTROL) 0231 A3 1606 D3 2691 D4 2692 D1 2693 D2...

  • Page 56: Front Interface Panel (With Top Control

    Circuit Diagrams and PWB Layouts L04A AB Layout Front Interface Panel (With Top Control) (Top Side) Layout Front Interface Panel (With Top Control) (Bottom Side) 1211 D1 1505 A1 1693 A3 2698 A3 3501 B3 3693 B3 6691 B4...

  • Page 57: Front Interface Panel (No Top Control

    Circuit Diagrams and PWB Layouts L04A AB Front Interface Panel (No Top Control) Layout Front Interface Panel (No Top Control) (Top Side) 0211 D1 1000 C2 1005 C3 2001 B4 3005 E3 3022 C2 3500 D3 9001 E2 I001 D2...

  • Page 58: Trident Panel: Dptv Sdp (T1)

    Circuit Diagrams and PWB Layouts L04A AB Trident Panel: DPTV SDP 1210 F4 3402 B10 2200 A7 3411 C7 2201 C10 3412 C7 2202 F2 3413 C7 DPTV SDP 2203 H1 3450 F8 2204 H1 3451 F7 2205 H2...

  • Page 59: Trident Panel: Y Pb Pr Input (Reserved) (T2)

    Circuit Diagrams and PWB Layouts L04A AB Trident Panel: Y Pb Pr Input (Reserved) 1201-B C1 1202-B D1 2252 C8 Y Pb Pr Input (RESERVED) 2253 D3 2254 D3 R G B Input (RESERVED) 2255 D3 2256 D3 2257 E4...

  • Page 60: Trident Panel: Adc (T3)

    Circuit Diagrams and PWB Layouts L04A AB Trident Panel: ADC 2351 C4 2352 D4 2353 E4 2354 E2 2355 E3 2356 E4 +3V3 2357 F3 VCC_PLL +3V3 2358 F4 +3V3 7204 2359 G1 AD9883AKST 2360 G1 2361 G2 2362 G2...

  • Page 61: Trident Panel: Sdram (T4)

    Circuit Diagrams and PWB Layouts L04A AB Trident Panel: SDRAM 2300 G5 2301 B10 2302 B10 SDRAM 2303 B10 2304 B11 2305 B11 2306 G5 2307 F4 3250 2308 F4 2309 F4 2310 F4 3251 2311 F5 2312 F5...

  • Page 62: Trident Panel: Display & Processing (T5)

    Circuit Diagrams and PWB Layouts L04A AB Trident Panel: Display & Processing 1203 D6 3292 E5 1204-B B10 3293 E6 1205-B E10 3294 E5 DISPLAY & PROCESSING 1206-B C10 3295 D5 1208 G10 3296 D3 2270 C8 3297 B3...
  • Page 63 Circuit Diagrams and PWB Layouts L04A AB Layout DPTV Panel (Top Side) 1201 A4 2207 B1 2235 B1 2260 A4 2280 B4 2308 A2 2338 A1 2361 B2 2376 A3 2390 A4 2413 A4 3228 B4 3257 B2 3291 A4...
  • Page 64 Circuit Diagrams and PWB Layouts L04A AB Layout DPTV Panel (Bottom Side) 2201 A2 2221 A1 2239 A2 2258 A4 2281 B4 2299 A3 2314 A1 2333 A2 2348 B1 2399 B4 3209 B1 3219 A2 3242 B4 3260 A3...
  • Page 65 Circuit Diagrams and PWB Layouts L04A AB Trident Interface Panel 1201-A A1 1202-A E1 1203-A B1 1204-A F2 1205-A E7 1206-A A7 TRIDENT INTERFACE PANEL 1207-A B10 1208-A A8 1210-A E8 1220 B9 1206-A From 1201-B of 1201-A 1221 B9...

  • Page 66: Trident Interface Panel

    Circuit Diagrams and PWB Layouts L04A AB Layout Trident Interface Panel (Top Side) 1201 A3 1202 A1 1203 A2 1204 A2 1205 B2 1206 B3 1207 A4 1208 A4 1210 A4 1223 A4 2201 A1 2202 A2 2207 A4...

  • Page 67: Alignments

    Alignments L04A AB EN 67 8. Alignments Index of this chapter: 6. CONTRAST to “0”. 8.1 General Alignment Conditions 7. BRIGHTNESS to minimum (OSD just visible). 8.2 Hardware Alignments 8. Return to the SAM via the MENU key. 8.3 Software Alignments and Settings 9.
  • Page 68 EN 68 L04A AB Alignments Software Alignments and Settings 01535 L04AT1 1.0 ERR 0 0 0 0 0 . Delta Cool Red . OP1 OP 185 141 128 033 252 136 000 . Delta Cool Green 4 . OP2 .
  • Page 69 OB17: PHILIPS TUNER Total: – 0 : ALPS / MASCO compatible tuner is in use. – 1 : Philips compatible tuner is in use. • OB16: FM RADIO Option Bit Assignment – 0 : FM radio feature is disabled or not applicable.
  • Page 70 – 0 : Side/Front AV3 source is not present. module. – 1 : Side/Front AV3 source is present. – 1 : Philips compatible tuner is in use for PIP module. • OB54: CVI • OB20: HUE – 0 : CVI source is not available.
  • Page 71 Alignments L04A AB EN 71 • OB63: ACTIVE CONTROL The colour temperature mode (NORMAL, COOL and WARM) – 0 : Active Control feature is disabled or not applicable. and the colour (R, G, and B) can be selected with the UP/ –...
  • Page 72 EN 72 L04A AB Alignments 3. Activate the SAM menu (see chapter 5 “Service Modes, 8.3.5 Audio ...”). 4. Go to the GEOMETRY sub menu. No alignments are needed for the audio sub menu. Use the 5. Choose HORIZONTAL or VERTICAL alignment.

  • Page 73: Circuit Descriptions, List Of Abbreviations, And Ic Data Sheets

    BLK SVM TDA9332 Introduction MTV030 The "L04A AB" chassis is a 2fh TV chassis for the China market GENERATOR only. For the year 2004 only two large screen sizes are available (29 and 34inch) in Real Flat 4:3 execution. The 110 deg. 4:3 CRT comes with East/West Correction. In...
  • Page 74 EN 74 L04A AB Circuit Descriptions, List of Abbreviations, and IC Data Sheets Power Supply Power ON - To Semi Standby - Out of Semi Standby - Power OFF 9.2.1 Block Diagram Power ON Out of Power OFF Standby...
  • Page 75 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04A AB EN 75 Table 9-2 Pinning overview TEA1506 has a direct polarization. The flyback drive circuit works with the start-up supply taken from +6V of the Aux supply (and subsequently taking from VlotAux+9V).
  • Page 76 EN 76 L04A AB Circuit Descriptions, List of Abbreviations, and IC Data Sheets 9.3.3 Auxiliary Voltages During switch-off, the H_out frequency is doubled immediately and the duty cycle is set to 25% fixed, during 43 ms. The RGB outputs are driven “high” to get a controlled discharge of the The horizontal deflection provides various auxiliary voltages picture tube with 1 mA during 38 ms.
  • Page 77 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04A AB EN 77 voltage > 3.8 V and period < 900 us. Any signal out of this Control range will be considered as fault, and the chassis will be shut down.
  • Page 78 SCL. This is the clock wire of the two-wire single master bi- The tuner used in this chassis comes from two sources, from directional I2C bus. Philips and from Alps. Both tuner sources have the same pin • SDA. This is the data wire of the two-wire single master bi- configuration so they are 1 to 1 compatible except for the directional I2C bus.
  • Page 79 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04A AB EN 79 9.5.2 Option Settings CVBS output. All CVBS inputs can be used as Y-input for Y/C signals. However, only 2 Y/C sources can be selected because the circuit has 2 chroma inputs.
  • Page 80 EN 80 L04A AB Circuit Descriptions, List of Abbreviations, and IC Data Sheets – Bit 0: OP_HUE, China can have a Multi-System and I/DK version. For India, it • Option Byte 6 might only be BG standard. – Bit 7: OP_PERSONAL_ZAPPING, –...

  • Page 81: Abbreviation List

    Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04A AB EN 81 9.10 Abbreviation list Intermediate Frequency Integrated IC bus Institutional TV 2 Carrier (or Channel) Stereo LATAM Latin American countries like Brazil, Automatic Channel Installation: Argentina, etc.

  • Page 82: Ic Data Sheets

    EN 82 L04A AB Circuit Descriptions, List of Abbreviations, and IC Data Sheets 9.11 IC Data Sheets This section shows the internal block diagrams and pin layouts of ICs that are drawn as "black boxes" in the electrical diagrams (with the exception of "memory"...
  • Page 83 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04A AB EN 83 9.11.2 Diagram T, MTV030 (IC7217) BLOCK DIAGRAM LUMAR DATA DATA DISPLAY & ROW LUMAG SERIAL DATA LUMAB ROW, COL CONTROL BLINK INTERFACE REGISTERS CRADDR VDDA DATA...

  • Page 84: Spare Parts List

    EN 84 L04A AB Spare Parts List 10. Spare Parts List Mono Carrier [A] 2231 2238 586 59812 100nF 20% 50V 0603 2503 2020 558 90556 680pF 10% 1kV 2232 2238 586 59812 100nF 20% 50V 0603 2503 4822 126 12793 2.2nF 10% 2kV...
  • Page 85 Spare Parts List L04A AB EN 85 3131 4822 116 52257 22kΩ 5% 0.5W 3415 2122 101 02111 39Ω 5% 0.5W 3604 4822 051 30101 100Ω 5% 0.062W 3132 4822 117 12925 47kΩ 1% 0.063W 0603 3416 4822 051 30479 47Ω 5% 0.062W 3605 4822 051 30101 100Ω...

  • Page 86: Crt Panel (B1)

    EN 86 L04A AB Spare Parts List 6109 4822 130 11416 PDZ6.8B 7571 4822 130 40959 BC547B 3392 4822 051 30221 220Ω 5% 0.062W 6203 4822 130 11397 BAS316 7573 4822 130 11155 PDTC114ET 4370 4822 051 20008 Jumper 0805...
  • Page 87 Spare Parts List L04A AB EN 87 3015 5322 117 13057 820Ω 1% 0.063W 0603 2226 4822 126 14585 100nF 10% 0805 50V 2339 2238 586 59812 100nF 20% 50V 0603 2227 4822 126 14585 100nF 10% 0805 50V...
  • Page 88 EN 88 L04A AB Spare Parts List 3236 4822 051 30152 1.5Ω 5% 0.062W 5202 3198 018 33370 0.33µH 10% 0805 3237 4822 117 13632 100kΩ 1% 0603 0.62W 5203 3198 018 33370 0.33µH 10% 0805 3239 4822 117 13632 100kΩ 1% 0603 0.62W 5204 3198 018 33370 0.33µH 10% 0805...

  • Page 89: Revision List

    Revision List L04A AB EN 89 11. Revision List Manual xxxx xxx xxxx.0 • First release. Manual xxxx xxx xxxx.1 • Top control panel added for new styling. • Diff. tables 29” vs 34” added. Manual xxxx xxx xxxx.2 •...
  • Page 90 EN 90 L04A AB Revision List...

Table of Contents