Philips L04E Service Manual
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Philips L04E Service Manual

Philips L04E Service Manual

29” (72 cm), 4:3
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Colour Television

Contents
Mono Carrier: Tuner IF
Side I/O + Headphone Panel (PV2)
Tuner IF and Demodulator PIP Panel
©
Copyright 2007 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 WS 0673 BG CD Customer Service
Page
Contents
2
4
7
8
21
22
23
24
25
Diagram PWB
(A1) 26
38-43
27
38-43
(A2) 28
38-43
29
38-43
(A3) 30
38-43
(A4) 31
38-43
(A5) 32
38-43
(A6) 33
38-43
(A7) 34
38-43
(A8) 35
38-43
(A9) 36
38-43
(A10)37
38-43
(B1) 44
46-46
(B2) 45
46-46
(D) 47
48-48
(D) 49
50-50
(E) 51
51-51
(E) 52
52-51
(F1) 53
55-56
(F2) 54
55-56
Printed in the Netherlands
Subject to modification
Chassis
L04E
AE
E_14480_142.eps
260504
Page
57
58
58
59
59
60
61
63
70
79
81
83
87
EN 3122 785 16810

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Summary of Contents for Philips L04E

  • 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 WS 0673 BG CD Customer Service...

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

    EN 2 L04E AE Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Connections Index of this chapter: 1.1 Technical Specifications 1.2 Connections Note: The following connector colour abbreviations are used 1.3 Chassis Overview (acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy= Grey, Rd= Red, Wh= White, Ye= Yellow.
  • Page 3 Technical Specifications, Connections, and Chassis Overview L04E AE EN 3 External 1: RGB/YUV - In and CVBS - In/Out External 2: CVBS- In and SVHS - In E_06532_001.eps E_06532_001.eps 050404 050404 Figure 1-3 SCART connector EXT2 Figure 1-4 SCART connector EXT1 - Audio - R 0.5 V_rms / 1 kohm...

  • Page 4: Safety Instructions, Warnings, And Notes

    EN 4 L04E AE 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 5 Lead-free Solder indication on these semiconductors. • Manufactured under license from Dolby Laboratories. Philips CE is producing lead-free sets (PBF) from 1.1.2005 “Dolby”, “Pro Logic” and the “double-D symbol”, are onwards. trademarks of Dolby Laboratories. Identification: The bottom line of a type plate gives a 14-digit 2.4.2...
  • Page 6 2.4.5 Alternative BOM identification In September 2003, Philips CE introduced a change in the way the serial number (or production number, see Figure 2-2) is composed. From this date on, the third digit in the serial number (example: AG2B0335000001) indicates the number of the alternative BOM (Bill of Materials used for producing the specific model of TV set).

  • Page 7: Directions For Use

    Directions for Use L04E AE EN 7 3. Directions for Use You can download this information from the following websites: http://www.philips.com/support http://www.p4c.philips.com...

  • Page 8: Mechanical Instructions

    EN 8 L04E AE Mechanical Instructions 4. Mechanical Instructions Index of this chapter: 4.1 Set Disassembly 4.2 Service Position 4.3 Assies/Panels Removal 4.4 Set Re-assembly Notes: • Figures below can deviate slightly from the actual situation, due to different set executions.
  • Page 9 Mechanical Instructions L04E AE EN 9 Assies/Panels Removal 4.3.1 Front Interface Assy/Panel Removal E_14480_049.eps 110204 Figure 4-2 Front interface assy/panel removal 1. Remove the complete module from the bottom plate, by pulling the two fixation clamps upward [1], while sliding the module away from the CRT [2].

  • Page 10: Service Modes, Error Codes, And Fault Finding

    EN 10 L04E AE Service Modes, Error Codes, and Fault Finding 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: Table 5-2 Software cluster overview 5.1 Test Points 5.2 Service Modes SW Cluster SW Version First Mask Remarks 5.3 Problems and Solving Tips Related to CSM...
  • Page 11 Service Modes, Error Codes, and Fault Finding L04E AE EN 11 00028 L04EF30.10 00028 L04EF30.10 ERR 0 0 0 0 0 ERR 0 0 0 0 0 OP 000 057 140 032 120 128 000 OP 000 057 140 032 120 128 000 .
  • Page 12 EN 12 L04E AE Service Modes, Error Codes, and Fault Finding 13. Audio. No audio alignment is necessary for this television set. 1 00028 L04EF30.10 14. NVM Editor. Used to change the NVM data in the 2 CODES 0 0 0 0 0 television set.
  • Page 13 8. The new PERSONAL preference value is automatically 5.4.1 Introduction stored. ComPair (Computer Aided Repair) is a service tool for Philips Snowy Picture Consumer Electronics products. ComPair is a further To enter CSM, press the following key sequence on the remote...

  • Page 14: Error Codes

    EN 14 L04E AE Service Modes, Error Codes, and Fault Finding • Manually (by asking questions to you): Automatic • ComPair interface (excluding transformer): 4822 727 diagnosis is only possible if the micro controller of the 21631. television is working correctly and only to a certain extend.
  • Page 15 Service Modes, Error Codes, and Fault Finding L04E AE EN 15 Table 5-3 Error codes overview Error Device Error description Check item Diagram Not applicable No Error Not applicable X-Ray / over-voltage protection (US only) 2411, 2412, 2413, 6404, 6411, 6412.
  • Page 16 EN 16 L04E AE Service Modes, Error Codes, and Fault Finding Table 5-4 NVM default values 5.8.2 Power Supply Set Not Working Check Power Model Supply Mains Addr. Switch Parameter (dec) Value (hex) EW (EW width) PW (EW parabola width)
  • Page 17 Service Modes, Error Codes, and Fault Finding L04E AE EN 17 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) appears?
  • Page 18 EN 18 L04E AE Service Modes, Error Codes, and Fault Finding 5. If IF output is present, Tuner is working fine. If no IF output, Picture o.k., No Sound I2C data lines may be open, check continuity of I2C lines.
  • Page 19 Service Modes, Error Codes, and Fault Finding L04E AE EN 19 3. Check that Power Good signal is at “high” logic, normal 5.8.8 Audio Processing operation. 4. Check that HERCULES is not in standby mode. Pin 15 of No Sound HERCULES should be 0 V_dc.
  • Page 20 EN 20 L04E AE Service Modes, Error Codes, and Fault Finding Personal Notes: E_06532_012.eps 131004...

  • Page 21: Block Diagrams, Test Point Overviews, And Waveforms

    Block Diagrams, Test Point Overviews, and Waveforms L04E AE 6. Block Diagrams, Test Point Overviews, and Waveforms Wiring Diagram DEGAUSSING COIL AQUADAG FRAME ROTATION COIL (component view) CRT PANEL RIGHT LEFT 1361 SPEAKER SPEAKER 1351 SCAVEM 1332 COIL 1352 1331...

  • Page 22: Block Diagram Supply And Deflection

    Block Diagrams, Test Point Overviews, and Waveforms L04E AE Block Diagram Supply and Deflection SUPPLY FRONT INTERFACE 1108 1110 1505 DEFLECTION POWER SUPPLY HERCULES LINE + FRAME DEFLECTION 1504 7541 1503 ENERGIZING Degaussing V_DG CIRCUIT 3507 Coil Vbatt +6VA 7200-H...

  • Page 23: Block Diagram Video

    Block Diagrams, Test Point Overviews, and Waveforms L04E AE Block Diagram Video VIDEO SC1_R/G/B SC1_FBL SSIF AUDIO SEE BLOCK DIAGRAM AUDIO PART HERCULES (RGB/YPrPb/YUV 7200-C INPUT SWITCHING) 7200-B (CVBS I/O + FILTERS + COLOUR DECODING) 7200-A (IF) DIGITAL SIGNAL PROC.

  • Page 24: Block Diagram Audio/Control

    Block Diagrams, Test Point Overviews, and Waveforms L04E AE Block Diagram Audio/Control AUDIO TUNER IF HERCULES REAR I/O SCART 7200-A (IF) TDA12020H1 7200-F (AUDIO) SCART 1 7003 1735-1 DIGITAL PART SSIF VT_SUPPLY 6001 BZX79-C33 9002 5001 SC1_L_OUT PHASE FM/QSS SCART...

  • Page 25: I2C And Supply Voltage Overview

    Block Diagrams, Test Point Overviews, and Waveforms L04E AE I2C and Supply Voltage Overview SUPPLY LINES DIAGRAM POWER SUPPLY LINE + FRAME DEFLECTION CRT INTF SCAVEM 1405 6401 1383 7541 +Vbatt +Vbatt FILAMENT 1503 ENERGIZING V_DG V_DG VSVM CIRCUIT 6383...

  • Page 26: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts L04E AE 7. Circuit Diagrams and PWB Layouts Mono Carrier: Power Supply 1500 B2 3572 C10 1501 A2 3573 D8 1502 A2 3574 D8 1503 A7 3575 D9 POWER SUPPLY 1504 A1 3576 D9 V_DG...

  • Page 27: Mono Carrier: Diversity Table For A1

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Diversity Table for A1 DIVERSITY TABLE FOR POWER SUPPLY REGION NAFTA LATAM / AP CHINA INDIA EUROPE MAIN RANGE 27RF 26WSRF 25RF 28WSRF 21/29RF 29RF 24WR 27FSQ 32RF 30WSRF 21RF 29FSQ...

  • Page 28: Mono Carrier: Deflection (A2)

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Deflection 1401 B2 5401 B6 1402 A3 5402 C3 1403 E10 5403 E4 1404 C5 5404 D9 7482 1451 F10 5405 E4 LINE + FRAME DEFLECTION PDTA114ET 1452 D8 5406 E5...

  • Page 29: Mono Carrier: Diversity Table For A2

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Diversity Table for A2 DEFLECTION Region NAFTA LATAM CHINA INDIA Tube SMGK SMGK SMGK Size 27 V 28 WR 29 RF 32 V 32 V RF 32 WR 25 RF 25 RF...
  • Page 30 Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Tuner IF 1000 A4 1001 E8 TUNER IF 1002 D8 1003 D8 1004 A10 +5VS Vbuffer 1005 C3 1000 1010 A3 1011 B3 1012 C10 1004 FOR ITV ONLY 1013 E10...

  • Page 31: Mono Carrier: Hercules (A4)

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Hercules 1205 E8 3208 E10 4211 A9 1208 B2 3209 E10 4212 G1 HERCULES 1230 B7 3210 E11 4213 A8 7208 1234 B7 3211 E11 4214 A9 1235 A3 3212 A7 4215 A1 +3.3V...

  • Page 32: Mono Carrier: Features & Connectivities (A5)

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Features & Connectivities 1204 B9 9607 D7 1206 A9 9612 E7 FEATURES & CONNECTIVITIES 1207 D9 9633 C7 1212 A7 9639 B2 1213 E9 9642 C7 1219 C8 1220 D8 1221 F8...

  • Page 33: Mono Carrier: Class D - Audio Amplifier (A6)

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Class D - Audio Amplifier 1222 F1 3975 A7 1902 C9 4910 B9 CLASS D - AUDIO AMP 1903 A7 4911 C7 2928 A2 4912 D7 2929 E2 4913 B7 3975...
  • Page 34 Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Audio Amplifier 1280 B9 AUDIO AMPLIFIER 1281 B9 Vaudio+1 1282 D2 2916 C5 2917 D3 2918 D4 2985 A4 2986 A7 2985 2987 A6 7990 +16V 2988 C6 TDA2616Q 2989 A4...

  • Page 35: Mono Carrier: Rear I/O Scart (A8)

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Rear I/O Scart 1101 A3 3722 F4 1102 B3 3731 A9 REAR I/O SCART 1103 B3 3732 A8 1104 C3 3733 A9 FOR ITV ONLY 7706 7707 7708 7709 1105 C3...

  • Page 36: Mono Carrier: Front Control (A9)

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: Front Control Personal Notes: 1600 B4 1601 B4 FRONT CONTROL 1602 B3 1603 B3 1604 B3 1606 B2 1692 D4 1693 D4 KEY_PROTN A4,A9 2691 D4 2692 E2 3681 A4 3683 A2...

  • Page 37: Mono Carrier: Dvd Power Supply

    Circuit Diagrams and PWB Layouts L04E AE Mono Carrier: DVD Power Supply 1581 A7 DVD POWER SUPPLY 1582 A7 1583 A1 2581 B2 2582 B2 2583 B2 Vaux 2584 B3 2585 C3 1582 2586 B4 2587 B4 2588 B5 1583...
  • Page 38 Circuit Diagrams and PWB Layouts L04E AE Layout Mono Carrier: (Top Side) 1000 E7 1206 D4 1240 D4 1452 A7 1508 A2 1601 C1 1729 D7 1771 C7 2240 E5 2415 A5 2459 A7 2502 C2 2535 C3 2561 C4...
  • Page 39 Circuit Diagrams and PWB Layouts L04E AE Layout Mono Carrier (Overview Bottom Side) (Old Mapping) 2001 E1 2122 D1 2208 E5 2235 E4 2253 E3 2271 E3 2288 D5 2461 B2 2513 A4 2550 B6 2589 D5 2916 D6 2942 C7...
  • Page 40 Circuit Diagrams and PWB Layouts L04E AE Layout Mono Carrier (Part 1 Bottom Side) Part 1 G_16810_024a.eps 120107...
  • Page 41 Circuit Diagrams and PWB Layouts L04E AE Layout Mono Carrier (Part 2 Bottom Side) Part 2 G_16810_024b.eps 120107...
  • Page 42 Circuit Diagrams and PWB Layouts L04E AE Layout Mono Carrier (Part 3 Bottom Side) 120107 Part 3 G_16810_024c.eps 120107...
  • Page 43 Circuit Diagrams and PWB Layouts L04E AE Layout Mono Carrier (Part 4 Bottom Side) 120107 Part 4 G_16810_024d.eps 120107...
  • Page 44 Circuit Diagrams and PWB Layouts L04E AE CRT Panel 0330 B1 EUROPE CRT PANEL 1254-A B6 ITEM RGB+DISPL-21RF.28WS-EU & RGB+DISPL-29RF-EU & 1255 B5 RGB+DISPL-24WR.25.28BLD-EU RGB+DISPL-24WR.28.32WR-EU 1256-A B6 3328 3329 1331 D1 3330 1332 B7 3337 1351 G1 4328 1352 F8...

  • Page 45: Crt Panel: Eco Scavem (B2)

    Circuit Diagrams and PWB Layouts L04E AE CRT Panel: Eco Scavem 1361 C10 ECO SCAVEM 1381 F7 1382 A8 1383 D2 2363 A7 2364 C6 2365 C6 3373 2367 C6 VSVM 2368 A7 2381 E2 2382 F6 2383 F6 2386 F3...
  • Page 46 Circuit Diagrams and PWB Layouts L04E AE Layout CRT Panel (Top Side) 0330 A1 1331 A1 1361 A2 2330 A1 2363 A2 2381 A2 3334 A1 3354 A2 3365 A2 3381 A2 5352 A2 6333 A1 7362 A2 7381 A2...
  • Page 47 Circuit Diagrams and PWB Layouts L04E AE Side I/O + Headphone Panel (PV2) 1232 B9 1250-A D1 1250-B E1 SIDE AV PANEL + HP PANEL 1250-C C1 1251 A2 1252 B5 1254 B6 1277-A C1 1277-B E1 1278 B9 1279 B9...
  • Page 48 Circuit Diagrams and PWB Layouts L04E AE Layout Side I/O + Headphone Panel (PV2) (Top Side) 1232 A4 1252 A1 1278 A4 2172 A2 2175 A2 3151 A2 3154 A1 3157 A4 3160 A1 9175 A2 1250 A3 1254 A3...

  • Page 49: Side I/O + Headphone Panel (Fl13) (D)

    Circuit Diagrams and PWB Layouts L04E AE Side I/O + Headphone Panel (FL13) 1232 B9 SIDE I/O PANEL + HP PANEL (FL13) 1250-A D1 1250-B E1 1250-C C1 1251 A1 1252 C5 1254 B6 1277-A C1 1251 1277-B E1 YKF51-5304...
  • Page 50 Circuit Diagrams and PWB Layouts L04E AE Layout Side I/O + Headphone Panel (FL13) (Top Side) Layout Side I/O + Headphone Panel (FL13) (Bottom Side) 1232 B2 1250 D2 1251 E2 1252 E1 1254 B2 1277 D2 1278 A1 1279 A2...
  • Page 51 Circuit Diagrams and PWB Layouts L04E AE Top Control Panel (PV2) Layout Top Control Panel (PV2) (Bottom Side) 1012 B3 1014 B2 3013 A3 3015 A3 F011 A2 1010 A1 3011 A2 I011 A2 I017 B3 1011 B3 1013 B2...

  • Page 52: Top Control Panel (Pv2) (E)

    Circuit Diagrams and PWB Layouts L04E AE Top Control Panel (FL13) Layout Top Control Panel (FL13) Bottom 1010 A1 TOP CONTROL (FL-13) 1011 B3 1012 B3 1013 B2 FROM 1682 1010 1014 B3 1015 B2 F011 KEY_PROTN 3010 A1 FROM 1281...

  • Page 53: Power Supply Pip Panel (F1)

    Circuit Diagrams and PWB Layouts L04E AE Power Supply PIP Panel 1206 D4 4271 F4 1212 E1 4272 G3 1214 D4 4273 G4 POWER SUPPLY PIP 1219 E4 4274 E6 ITEM PIP-EU PIP-RD+DVD-EU PIP-AP PIP+DVD-AP 1220 B11 4275 E4 1206 CON BM V 4P M 2.50...
  • Page 54 Circuit Diagrams and PWB Layouts L04E AE Tuner IF and Demodulator PIP Panel 1000 D3 1002 D5 1003 D5 TUNER IF & DEMODULATOR PIP 1004 D3 1201 C7 2001 C1 2002 C2 2003 C2 2004 C3 2005 D4 2006 D4...
  • Page 55 Circuit Diagrams and PWB Layouts L04E AE Layout PIP Panel (Top Side) 1000 D2 1206 A1 1241 C4 2245 B4 2271 B5 2509 C6 3006 D2 3208 B2 3247 C3 5001 D3 5243 D4 5503 C6 6504 C6 9283 B1...
  • Page 56 Circuit Diagrams and PWB Layouts L04E AE Layout PIP Panel (Bottom Side) 2001 D5 2201 B6 2208 B5 2244 C3 2256 C4 2264 A4 2277 C2 2505 C2 3009 C5 3216 B4 3253 B3 3276 B2 3283 B4 3502 B1...

  • Page 57: Linearity & Panorama Panel

    Circuit Diagrams and PWB Layouts L04E AE Linearity & Panorama Panel Layout Linearity & Panorama Panel (Top Side) 1461 B2 2464 B2 2469 B2 2474 D2 2479 C2 3465 B1 3470 C1 6461 A2 7462 D2 1461 A1 1462 D2...

  • Page 58: Front Interface Panel (Fl13

    Circuit Diagrams and PWB Layouts L04E AE Front Interface Panel (FL13) Layout Front Interface Panel (FL13) (Top Side) 1108 A1 1108 B2 1110 A3 1110 B1 FRONT INTERFACE PANEL (FL13) 1505 A4 1505 C2 1693 C1 2101 C4 1693 A2...

  • Page 59: Front Interface Panel (Pv2

    Circuit Diagrams and PWB Layouts L04E AE Front Interface Panel (PV2) Layout Front Interface Panel (PV2) (Top Side) 1211 D1 1606 D4 2698 A3 3691 B3 6691 B4 9001 C1 9695 B3 1231 C3 1693 A3 3500 B2 3693 B3...

  • Page 60: Front Interface And Keyboard Panel

    Circuit Diagrams and PWB Layouts L04E AE Front Interface and Keyboard Panel 1100 E5 1101 E5 1102 E5 1103 E4 FRONT INTERFACE + KEYBOARD 1104 E4 1106 E3 1108 A2 1110 A3 1505 A4 9101 1693 C1 2101 D3 1110...
  • Page 61 Circuit Diagrams and PWB Layouts L04E AE Layout Front Interface and Keyboard Panel (Top Side) 1100 D5 1101 D6 1102 D6 1103 D7 1104 D4 1106 D2 1108 B1 1110 B2 1505 B3 1693 B5 2101 D4 2102 C5 2103 D3...
  • Page 62 Circuit Diagrams and PWB Layouts L04E AE Personal Notes: E_06532_013.eps 131004...

  • Page 63: Alignments

    Alignments L04E AE EN 63 8. Alignments Index of this chapter: 5. SATURATION/COLOR to “0”. 8.1 General Alignment Conditions 6. CONTRAST to “0”. 8.2 Hardware Alignments 7. BRIGHTNESS to minimum (OSD just visible). 8.3 Software Alignments and Settings 8. Return to the SAM via the MENU key.
  • Page 64 EN 64 L04E AE Alignments Software Alignments and Settings Note: The values are indicative. E_14480_143.eps 260504 Figure 8-3 Service Mode overview...
  • Page 65 Alignments L04E AE EN 65 Enter the Service Alignment Mode (see also chapter 5 “Service 29PT5408/01 29PT5408/58 Modes, ..”). The SAM menu will now appear on the screen. 29PT5458/01 Select one of the following alignments: Model number 29PT5458/58 • Options Green_UI •...
  • Page 66 0: ALPS / MASCO compatible tuner is in use for PIP – OB73: Reserved (value= 0) module. – OB72: Reserved (value= 0) – 1: Philips compatible tuner is in use for PIP module. – OB71: Reserved (value= 0) • OB20: HUE – OB70: Reserved (value= 0) –...
  • Page 67 Alignments L04E AE EN 67 – Note: Only for EU/AP region for sets with PIP. • OB50: Reserved • OB35: PIP SPLITTER/WAKEUP CLOCK – Default setting is “0”. – 0: Normal Tuner in PIP/No wake-up clock – 1: Splitter in PIP OR Wake-up clock Option Byte 6 (OP6) –...
  • Page 68 EN 68 L04E AE Alignments 6. Adjust the AGC-value with the LEFT/ RIGHT cursor keys 1. Connect an external video pattern generator to the aerial until the voltage at pin 1 of the tuner lies between 3.8 and input of the TV-set and input a crosshatch test pattern. Set 2.3 V (default value is “20”).
  • Page 69 Alignments L04E AE EN 69 Table 8-3 Default geometry values Default Default values values Alignment (hex) (dec) HP (Horizontal parallelogram) HB (Horizontal Bow) HS (Horizontal shift) EWW (EW width) EWP (EW parabola width) EWT (EW trapezium) UCP (EW upper corner parabola)

  • Page 70: Circuit Descriptions, Abbreviation List, And Ic Data Sheets

    EN 70 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets 9. Circuit Descriptions, Abbreviation List, and IC Data Sheets Index of this chapter: The functions for video/audio processing, microprocessor (P), 9.1 Introduction and CC/Teletext (TXT) decoder are all combined in one IC 9.2 Power Supply...
  • Page 71 Circuit Descriptions, Abbreviation List, and IC Data Sheets L04E AE EN 71 9.2.2 Timing Diagrams Pin Symbol Description Sense This pin contains three different functions.: 1) Detection of soft start, protection levels of 2) OCP, and 3) SWP. Power ON - To Standby - Out of Standby - Power OFF...
  • Page 72 EN 72 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets There is a current source inside the UOC at pin 102. This conducting immediately. After the Line Transistor is out of pumps energy in the capacitor connected to this pin producing conduction, the flyback pulse is created.
  • Page 73 Circuit Descriptions, Abbreviation List, and IC Data Sheets L04E AE EN 73 Panorama EHT_info For Wide Screen sets, the S-correction of the picture has to The “PHI2 correction” is to correct the storage time deviation of adapt between the different picture modes. In particular, the Line Output Transistor, which is causing geometry between 16:9 Wide Screen and 4:3 picture modes.
  • Page 74 EN 74 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets period and delivers the energy to C2465 during the Line After that, the signal is AC-coupled to TS7363 and TS7364 scanning period. Throughout the Frame period, the charging where the emitter resistors (R3364 and R3370) will determine and discharging of C2456 works alternatively.
  • Page 75 LED "OFF" Normal LED "OFF" Standby Philips and from Alps. Both tuner sources have the same pin configuration so they are 1 to 1 compatible except for the • SCL. This is the clock wire of the two-wire single master bi- software, which will be selected by means of Option Settings.

  • Page 76: Source Select

    EN 76 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.5.2 Pin Assignments and Functionality The Audio/Video Source Select is one of the more complex functions due to its diversity and complex switching. The Audio/ Video Source Select comprises of the following components: Pin assignment of the Tuner: •...
  • Page 77 Circuit Descriptions, Abbreviation List, and IC Data Sheets L04E AE EN 77 Table 9-11 SCART Source Select diversity Video Processing Symbol Remark The Video Processor is basically the Hercules and the R/Pr IN3 SCART 1 TDA9178 (CTI/LTI). Video processing is done in these two...

  • Page 78: Audio Processing

    EN 78 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets • Spectral Processor involves step improvement processing, contour processing, smart sharpness control, colour In this chassis, the analog decoder is used in two cases: dependant sharpness and Colour Transient Improvement.

  • Page 79: Abbreviation List

    Circuit Descriptions, Abbreviation List, and IC Data Sheets L04E AE EN 79 Muting is done via the VOLUME_MUTE line connected to pin 9.10 Abbreviation List 2 of the amplifier-IC and coming from the UOC. 2 Carrier (or Channel) Stereo The following table shows pin functionality of the Audio...
  • Page 80 EN 80 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets Integrated IC bus Luminance (Y) and Chrominance (C) Institutional TV signal LATAM Latin American countries like Brazil, Argentina, etc. Light Emitting Diode L/L' Monochrome TV system. Sound carrier distance is 6.5 MHz. L' is Band...

  • Page 81: Ic Data Sheets

    Circuit Descriptions, Abbreviation List, and IC Data Sheets L04E AE EN 81 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" and "logic" ICs).

  • Page 82: Pin Configuration

    EN 82 L04E AE Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.11.2 Diagram H, TDA9178 (IC7610) BLOCK DIAGRAM Sout spectral processing Luminance vector processing Yout smart peaking luminance input- output Uout processing stage black stretch stage Vout histogram processing...

  • Page 83: Spare Parts List

    Spare Parts List L04E AE EN 83 10. Spare Parts List Set Level per Model Number (CTN) 2411 4822 126 14237 470pF 10% 2kV 2412 4822 121 70663 13nF 5% 6V 2413 5322 121 44151 33nF 10% 400V 29PT5408/01 2001...
  • Page 84 EN 84 L04E AE Spare Parts List 2691 4822 124 40196 220μF 20% 16V 3253 4822 051 30101 100Ω 5% 0.062W 3511 4822 050 24708 4.7Ω 1% 0.6W 2702 4822 126 14241 330pF 0603 50V 3255 4822 051 30101 100Ω 5% 0.062W 3512 4822 117 11817 1.2kΩ...
  • Page 85 Spare Parts List L04E AE EN 85 3753 4822 116 83868 150Ω 5% 0.5W 9227 3198 036 90010 Wire 0.58mm 9587 3198 036 90010 Wire 0.58mm 3754 4822 117 12891 220kΩ 1% 9228 3198 036 90010 Wire 0.58mm 9589 3198 036 90010 Wire 0.58mm 3758 4822 116 52195 47Ω...

  • Page 86: Crt Panel (B1)

    EN 86 L04E AE Spare Parts List 6500 3198 010 10640 Bridge cell GBU4K 3160 4822 116 52175 100Ω 5% 0.5W 6511 4822 130 31607 RGP10D CRT Panel [B] 9181 3198 036 90010 Wire 0.58mm 6512 4822 130 80622 BAT54...

  • Page 87: Revision List

    Revision List L04E AE EN 87 11. Revision List 11.1 Manual xxxx xxx xxxxx.0 First release. (L04E-AE = Hercules 10.4) •...

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