Philips L04HE Service Manual
  1. Manuals
  2. Brands
  3. Philips Manuals
  4. TV
  5. L04HE
  6. Service manual
Philips L04HE Service Manual

Philips L04HE Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Colour Television

Contents
Mono Carrier: Features & Connectivities (A5)
Mono Carrier: Class D - Audio Amplifier (A6)
Mono Carrier: Audio Amplifier
©
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 BB 0567 TV Service
Page
Contents
2
4
6
7
19
20
21
22
23
24
25
Diagram PWB
26
38-43
27
38-43
28
38-43
29
38-43
30
38-43
31
38-43
32
38-43
33
38-43
(A7)
34
38-43
35
38-43
36
38-43
(A10) 37
38-43
(B1)
44
46-47
45
46-47
48
49
50
50
51
52
53
53
Printed in the Netherlands
Interface Module
Interface Module: Diversity Table Part 2
Subject to modification
Chassis
L04HE
AA
E_14820_071.eps
231204
Page
54
54
(J1)
55
58
56
58
57
58
59
59
60
59
61
61
63
68
80
84
EN 3122 785 14821

Advertisement

Table of Contents
loading

Related Manuals for Philips L04HE

Summary of Contents for Philips L04HE

  • 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 BB 0567 TV Service...

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

    Technical Specifications, Connections, and Chassis Overview EN 2 L04HE AA 1. Technical Specifications, Connections, and Chassis Overview Index of this chapter: 1.2.1 Side Connections 1.1 Technical Specifications 1.2 Connections SIDE I/O 1.3 Chassis Overview S-Video (optional) Notes: • Described specifications are valid for the whole product Video range.
  • Page 3 Technical Specifications, Connections, and Chassis Overview L04HE AA 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 Figure 1-4 SCART connector - Audio - R 0.5 V_rms / 1 kohm...

  • Page 4: Safety Instructions, Warnings, And Notes

    Safety Instructions, Warnings, and Notes EN 4 L04HE AA 2. Safety Instructions, Warnings, and Notes Index of this chapter: components and tools also at this potential. Available ESD 2.1 Safety Instructions protection equipment: 2.2 Warnings – Complete kit ESD3 (small tablemat, wristband, 2.3 Notes...
  • Page 5 For sets produced before 1.1.2005, containing leaded soldering tin and components, all needed spare parts will be available till the end of the service period. For the repair Philips CE is going to produce lead-free sets (PBF) from of such sets nothing changes. 1.1.2005 onwards.

  • Page 6: Directions For Use

    Directions for Use EN 6 L04HE AA 3. Directions for Use You can download this information from the following website: http://www.philips.com/support...

  • Page 7: Mechanical Instructions

    Mechanical Instructions L04HE AA EN 7 4. Mechanical Instructions Index of this chapter: 1. Disconnect the degaussing coil [1]. 4.1 Set Disassembly 2. Release the two fixation clamps (at the mid left and mid 4.2 Service Position right side of the bracket), and remove the bracket from the 4.3 Assies/Panels Removal...
  • Page 8 Mechanical Instructions EN 8 L04HE AA 4.3.3 LTI/CTI Interface Panel Removal 4.3.7 PIP Assy/Panel Removal Remove the LTI/CTI Interface panel from the Mono Carrier, by 1. Release the two fixation clamps to lift the panel out of the disconnecting it from connector 1212.

  • Page 9: Service Modes, Error Codes, And Fault Finding

    Service Modes, Error Codes, and Fault Finding L04HE AA EN 9 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: – (sleep) timer, 5.1 Test Points – child/parental lock, 5.2 Service Modes – blue mute, 5.3 Problems and Solving Tips Related to CSM –...
  • Page 10 Service Modes, Error Codes, and Fault Finding EN 10 L04HE AA 7. ISP Mode CSM Menu Can be used to switch on the television to ISP mode (for uploading software 8. Options To set the Option Bytes. See chapter 8.3.1 for a detailed A A B C X .
  • Page 11 3. In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu. 4. Press the MENU LEFT/RIGHT keys to enter the PICTURE ComPair (Computer Aided Repair) is a service tool for Philips sub menu. Consumer Electronics products. ComPair is a further 5.

  • Page 12: Error Codes

    Service Modes, Error Codes, and Fault Finding EN 12 L04HE AA • Manually (by asking questions to you): Automatic Error Codes diagnosis is only possible if the micro controller of the television is working correctly and only to a certain extend.

  • Page 13: The Blinking Led Procedure

    Service Modes, Error Codes, and Fault Finding L04HE AA EN 13 Table 5-2 Error code 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 Not applicable High beam (BCI) protection...
  • Page 14 Service Modes, Error Codes, and Fault Finding EN 14 L04HE AA Set Does Not Start Up One Thin Vertical Line LED Blinking Set Unable to Start Software Change Fuse Blown? Check all loaded? Fuse connection and peripheral at Deflection Circuit in...
  • Page 15 Service Modes, Error Codes, and Fault Finding L04HE AA EN 15 5.8.5 Tuner and IF No Picture Blank Screen 1. Check that the Option settings are correct. 2. If correct, check that supply voltages are there. 3. If supply voltages are present, check whether picture is present in AV.
  • Page 16 Service Modes, Error Codes, and Fault Finding EN 16 L04HE AA Picture Ok, No Sound 5.8.6 Controller Below are some guidelines for troubleshooting of the Micro Picture Ok, No Sound Controller function. Normally Micro Controller should be checked when there is a problem of startup.
  • Page 17 Service Modes, Error Codes, and Fault Finding L04HE AA EN 17 5.8.8 Audio Processing No Sound Picture Ok, No Sound Tuner IF Ok Not Ok Check Tuner/IF Check AUDOUTLSL & AUDOUTLSR pin at Not Ok Check Hercules IC Hercules Check Audio...
  • Page 18 Service Modes, Error Codes, and Fault Finding EN 18 L04HE AA Personal Notes: E_06532_012.eps 131004...

  • Page 19: Block Diagrams, Testpoint Overviews, And Waveforms

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA 6. Block Diagrams, Testpoint Overviews, and Waveforms Wiring Diagram WIRING DIAGRAM DEGAUSSING COIL DEGAUSSING COIL TOP CONTROL PANEL FOR “SYSTEM” (OPTIONAL) AQUADAG AQUADAG (16:9) (4:3) 1010 FRAME ROTATION COIL (component view) YELLOW...

  • Page 20: Block Diagram Supply And Deflection

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA Block Diagram Supply and Deflection SUPPLY AND DEFLECTION MAINS HARMONIC (OPTIONAL) EPS4 CON3 +3.3V TO 0228 0001 0002 0213 +12V 1000 3000 2001 INTERFACE MODULE LINEARITY & PANORAMA 5000 TOP233Y 7460 5001...

  • Page 21: Testpoint Overview Mono Carrier

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA Testpoint Overview Mono Carrier E_14970_045.eps 3139 123 5676.3 090904...

  • Page 22: Block Diagram Video

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA Block Diagram Video VIDEO INTERFACE MODULE (VIDEO PART) - for “SYSTEM” version only - 1219 1219 VIDEO INTERFACE 7705,7706 PULSE N.C. N.C. FORMER See block HD_PIP diagram HSYNC_OUT 7716 DEFLECTION CVBS_OUT CVBS0...

  • Page 23: Testpoint Overview Crt Panel

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA Testpoint Overview CRT Panel F331 F332 F333 F334 F335 F336 F338 F339 F340 F341 F351 F352 F353 F354 F356 F360 F361 F362 F381 F382 I330 I331 I332 I333 I334 I335 I336 I337...

  • Page 24: Block Diagram Audio & Control

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA Block Diagram Audio & Control AUDIO TUNER IF HERCULES REAR I/O SCART SPDIF (optional) 1228 3762 7200-A (IF) 7200-F (AUDIO) 7003 SCART 1 9002 DIGITAL PART VT_SUPPLY SSIF 6001 BZX79-C33 9003 5001...

  • Page 25: I2C And Supply Voltage Overview

    Block Diagrams, Testpoint Overviews, and Waveforms L04HE AA I2C and Supply Voltage Overview SUPPLY LINES DIAGRAM POWER SUPPLY LINE + FRAME DEFLECTION SCAVEM 7541 +Vbatt TUNER IF 1503 VSVM ENERGIZING V_DG V_DG FILAMENT CIRCUIT 1401 1351 (optional) Vbatt 5445 Vbatt...

  • Page 26: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts L04HE AA 7. Circuit Diagrams and PWB Layouts Mono Carrier: Power Supply 1500 B2 3575 D9 I513 C5 1501 A2 3576 D9 I514 C6 1502 A3 3577 D8 I515 C6 1503 A7 3578 C8 I516 C6...

  • Page 27: Mono Carrier: Diversity Table For A1

    Circuit Diagrams and PWB Layouts L04HE AA 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: Line & Frame Deflection (A2)

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Line & Frame Deflection 1401 B3 6412 D5 1402 A4 6441 C3 1404 C6 6442 C4 1451 F10 6443 C3 1452 E8 6450 B9 1453 H2 6451 B9 LINE + FRAME DEFLECTION...

  • Page 29: Mono Carrier: Diversity Table For A2

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Diversity Table for A2 DIVERSITY TABLE FOR DEFLECTION Region NAFTA LATAM CHINA INDIA Tube SMGK SMGK SMGK Size 27 V 28 WR 29 RF 32 V 32 V RF 32 WR...

  • Page 30: Mono Carrier: Tuner If (A3)

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Tuner IF 1000 A4 TUNER IF 1001 E8 1002 D8 1003 D8 1004 A10 +5VS Vbuffer 1005 C3 1000 1010 A3 F001 1011 B3 1012 C10 1004 FOR ITV ONLY 1013 D10...

  • Page 31: Mono Carrier: Hercules (A4)

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Hercules 1205 E8 3210 E11 5203 D2 1208 B2 3211 E11 5205 D2 1230 B7 3212 B7 5206 E2 1234 B7 3213 B2 5207 D2 HERCULES 1682 A10 3214 B6 5208 C2...
  • Page 32 Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Features & Connectivities 1204 B10 F210 A2 1206 A10 F211 A2 1207 D10 F212 C3 1212 A8 F213 D3 FEATURES & CONNECTIVITIES 1213 E10 F214 C5 1219 C8 F215 C5 1220 D8...
  • Page 33 Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Class D - Audio Amplifier 1222 F1 4911 C7 1902 C9 4912 D7 CLASS D - AUDIO AMP 1903 A7 4913 B7 2928 A2 4914 F8 2929 E2 4915 F8 3975...
  • Page 34 Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Audio Amplifier 1280 B9 1281 B9 AUDIO AMPLIFIER 1282 D2 2911 D3 2912 D3 2913 D3 2914 D3 2915 D3 Vaudio+1 2916 C5 2985 A4 2986 A7 2987 A6 2988 C6...

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

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Rear I/O Scart 1101 B3 3735 C9 I722 F5 1102 B3 3736 C9 I727 F9 1103 C3 3737 C9 I728 G9 1104 C3 3738 C9 I729 B6 REAR I/O SCART 1105 D3...

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

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: Front Control 1600 B4 1601 B4 FRONT CONTROL 1602 B4 1603 B3 1604 B3 1606 B2 nal Notes: 1692 D4 F682 A4,A9 1693 D4 2691 D4 KEY_PROTN 2692 E2 3681 A4...

  • Page 37: Mono Carrier: Dvd Power Supply

    Circuit Diagrams and PWB Layouts L04HE AA Mono Carrier: DVD Power Supply 1581 A7 1582 A7 DVD POWER SUPPLY 1583 A1 2581 A2 2582 A2 Vaux 2583 B2 2584 B3 1582 2585 C3 2586 B4 To 1534 2587 B4 2588 B5...
  • Page 38 Circuit Diagrams and PWB Layouts L04HE AA Layout Mono Carrier: (Top Side) 1000 2412 3418 5201 9208 9485 1001 2413 3425 5208 9209 9486 1002 2415 3430 5216 9210 9487 1003 2416 3431 5217 9211 9488 1004 2417 3432 5295...
  • Page 39 Circuit Diagrams and PWB Layouts L04HE AA Layout Mono Carrier (Overview Bottom Side) 2001 E1 2513 A4 2987 E5 3420 C3 3736 C2 4610 E5 6732 D1 2002 E1 2515 B4 2988 E5 3422 B1 3738 C1 4611 D5 6733 D1...
  • Page 40 Circuit Diagrams and PWB Layouts L04HE AA Layout Mono Carrier (Part 1 Bottom Side) Part 1 3139 123 5676.3 E_14970_007a.eps 270804...
  • Page 41 Circuit Diagrams and PWB Layouts L04HE AA Layout Mono Carrier (Part 2 Bottom Side) Part 2 E_14970_007b.eps 3139 123 5676.3 270804...
  • Page 42 Circuit Diagrams and PWB Layouts L04HE AA Layout Mono Carrier (Part 3 Bottom Side) Part 3 3139 123 5676.3 E_14970_007c.eps 270804...
  • Page 43 Circuit Diagrams and PWB Layouts L04HE AA Layout Mono Carrier (Part 4 Bottom Side) Part 4 E_14970_007d.eps 3139 123 5676.3 270804...

  • Page 44: Crt Panel

    Circuit Diagrams and PWB Layouts L04HE AA CRT Panel 0330 B2 1254-A B7 1255 B6 1256-A B7 1331 D2 CRT PANEL EUROPE ITEM RGB+DISPL-21RF.28WS-EU & RGB+DISPL-29RF-EU & 1332 B8 RGB+DISPL-24WR.25.28BLD-EU RGB+DISPL-24WR.28.32WR-EU 1351 G2 3328 1352 F9 3329 2330 B3 3330...

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

    Circuit Diagrams and PWB Layouts L04HE AA CRT Panel: Eco Scavem 1361 C10 I390 C2 1381 F7 I391 B4 1382 B8 I392 A7 1383 E2 ECO SCAVEM 2363 A7 2364 C6 2365 D6 2367 D6 2368 A7 2381 E2 2382 F6...
  • Page 46 Circuit Diagrams and PWB Layouts L04HE AA Layout CRT Panel (Top Side) 2331 A2 2365 A1 2390 A1 3357 A2 3374 A1 3391 A1 4328 A2 6338 A2 F331 A2 F339 A1 F356 A1 I330 A2 I337 A2 I362 A1...
  • Page 47 Circuit Diagrams and PWB Layouts L04HE AA Layout CRT Panel (Bottom 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 48: Side I/O + Headphone Panel

    Circuit Diagrams and PWB Layouts L04HE AA Side I/O + Headphone Panel (FL-13) 1232 B9 1250-A D1 SIDE I/O PANEL + HP PANEL (FL13) 1250-B E1 1250-C C1 1251 A1 1252 C5 1254 B6 1277-A C1 1251 YKF51-5304 1277-B E1...
  • Page 49 Circuit Diagrams and PWB Layouts L04HE AA Layout Side I/O + Headphone Panel (FL-13) (Top Side) Layout Side I/O + Headphone Panel (FL-13) (Bottom Side) 1232 B2 1250 D2 1251 E2 1252 E1 1254 B2 1277 D2 1278 A1 1279 A2...

  • Page 50: Top Control Panel

    Circuit Diagrams and PWB Layouts L04HE AA Top Control Panel (FL-13) Layout Top Control Panel (FL-13) 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 51: Eps 4 (External Power Supply

    Circuit Diagrams and PWB Layouts L04HE AA EPS 4 (External Power Supply) EPS 4B (External Power Supply) UU9.8 22MH UU9.8 22MH 0211 1A/250V 5W 400V (Power Supply) 0.1UF/275VAC 33UF/450V 1.5M(1/2W) 1A 600V 7.5M 0.01UF/1KV 0.001UF/1KV 0228 RH-3.5*0.8*9 KA278R12 330UF/25V 3A 100V...
  • Page 52 Circuit Diagrams and PWB Layouts L04HE AA Layout EPS 4 (External Power Supply) 211 F3 R1 C3 213 F4 R2 C2 228 A1 R3 C2 R4 D4 R11 C1 C1 D3 R12 C2 C2 C1 R13 B3 C5 C4 R13 B3...

  • Page 53: Linearity & Panorama Panel (G)

    Circuit Diagrams and PWB Layouts L04HE AA Linearity & Panorama Panel Layout Linearity & Panorama Panel (Top Side) 1461 A1 1461 B2 2464 B2 2469 B2 2474 D2 2479 C2 3465 B1 3470 C1 6461 A2 7462 D2 1462 D4...

  • Page 54: Front Interface Panel

    Circuit Diagrams and PWB Layouts L04HE AA Front Interface Panel (FL-13) Layout Front Interface Panel (FL-13) (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 55 Circuit Diagrams and PWB Layouts L04HE AA Interface Module INTERFACE MODULE & & ) e t ) e t ) e t & & & / n i ) e t E_14820_047.eps 3139 188 6148.1 151204...

  • Page 56: Interface Module: Diversity Table Part 1

    Circuit Diagrams and PWB Layouts L04HE AA Interface Module: Diversity Table Part 1 INTERFACE MODULE i l t E_14820_048.eps 3139 188 6148.1 151204...
  • Page 57 Circuit Diagrams and PWB Layouts L04HE AA Interface Module: Diversity Table Part 2 INTERFACE MODULE i l t E_14820_049.eps 3139 188 6148.1 151204...
  • Page 58 Circuit Diagrams and PWB Layouts L04HE AA Layout Interface Module (Top Side) Layout Interface Module (Bottom Side) E_14820_068.eps E_14820_066.eps 3139 123 5785.1 3139 123 5785.1 221204 201204...

  • Page 59: Clock Module

    Circuit Diagrams and PWB Layouts L04HE AA Clock Module CLOCK DISPLAY BC857B TestLand4 TestLand1 Port4 100nF CAP NP TestLand5 TestLand2 BC857B TestLand3 Port5 BC857B PIC16C62A Port0 MCLR/VPP Port1 BAT54 Port2 Port8 Port3 Port4 10uF 100nF Port5 VSS1 LED-DRIVER BC857B OSC1...

  • Page 60: Clock Module: Diversity Table

    Circuit Diagrams and PWB Layouts L04HE AA Clock Module: Diversity Table CLOCK MODULE i l t l l a c i t c i t E_14820_053.eps 3139 187 1499.1 151204...

  • Page 61: Mains Harmonic Module

    Circuit Diagrams and PWB Layouts L04HE AA Mains Harmonic Module Layout Mains Harmonic Module (Top Side) 0002 D2 0002 A3 0003 E3 MAINS HARMONIC 0003 B3 1000 A1 1000 A1 1001 A3 1001 A1 2000 B2 2000 A1 FUSE 2001 D2...
  • Page 62 Circuit Diagrams and PWB Layouts L04HE AA Personal Notes: E_06532_013.eps 131004...

  • Page 63: Alignments

    Alignments L04HE AA EN 63 8. Alignments Index of this chapter: 4. Go, via the MENU key, to the normal user menu and set 8.1 General Alignment Conditions 5. SATURATION/COLOR to “0”. 8.2 Hardware Alignments 6. CONTRAST to “0”. 8.3 Software Alignments and Settings 7.
  • Page 64 SOFT CLIPPER ON / OFF WIDE SCREEN ON / OFF ROTATION ON / OFF TUNER NONE / APLS / PHILIPS US REGION CODE ON / OFF NONE / 4136 / 34836 ACTIVE-OFF LED ON / OFF AV / ALWAYS ON / OFF...
  • Page 65 Radio 1 = Tuner has FM radio feature and TV chasis support FM radio 1 = Tuner has LNA feature Tuner 0 = None (no tuner), 1 = Philips (model), 2 = Alps (model) Byte 3 Not Used (Devices) Soft Clipper...
  • Page 66 Alignments EN 66 L04HE AA 8.3.2 Deflection Geometry The Deflection Sub menu contains the following items: VERT. SLOPE • AKB ON to enable, OFF to disable the 'black current loop' (AKB = Auto Kine Bias). • Brightness (set Brightness) •...
  • Page 67 Alignments L04HE AA EN 67 • Vertical Amplitude (VA) Align the vertical amplitude so that the complete test pattern is visible. • Vertical S-Correction (SC) Align the vertical linearity, meaning that vertical interval of a grid pattern must be equal over the entire screen height.

  • Page 68: Circuit Descriptions, List Of Abbreviations, And Ic Data Sheets

    Circuit Descriptions, List of Abbreviations, and IC Data Sheets EN 68 L04HE AA 9. Circuit Descriptions, List of Abbreviations, and IC Data Sheets Index of this chapter: • Control, small signal, mono/stereo, and extensive Audio/ 9.1 Introduction Video switching in one IC.
  • Page 69 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04HE AA EN 69 9.2.2 Timing Diagrams Power ON - To Standby - Out of Standby - Power OFF To Standby Out of Standby Power off Power ON Normal Standby mode...
  • Page 70 Circuit Descriptions, List of Abbreviations, and IC Data Sheets EN 70 L04HE AA 9.2.3 Startup Sequence Table 9-3 PSU voltage overview When the set is connected to the AC power, the rectified line Voltage Normal operation Stdby mode voltage (via winding 4-5 of L5531 connected to pin 14 of...
  • Page 71 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04HE AA EN 71 First Part of Scan frequency) taken from the line aux output. Then a series of Pin 62 of the UOC delivers the horizontal drive signal for the width-modulated pulses is formed via two inverted phase Line Output stage.
  • Page 72 Circuit Descriptions, List of Abbreviations, and IC Data Sheets EN 72 L04HE AA • Geometry distortion due to the impedance of the LOT across R3482 will tend to increase as well, while the voltage causing the EHT to drop. across D6481 is fixed. Up to certain level (triggering point), •...
  • Page 73 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04HE AA EN 73 it on a wider area). During the second half of the intensity • +3.3 V_dc at pins 33, 125, and 19. increase, the scan velocity is decreased (increasing the current •...
  • Page 74 BG/DK/I/L The tuner used in this chassis comes from two sources, from Philips and from Alps. Both tuner sources have the same pin configuration so they are 1 to 1 compatible except for the Note: The logic level is measured at the base of transistor software, which will be selected by means of Option Settings.

  • Page 75: Source Select

    Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04HE AA EN 75 9.5.3 Option Settings Symbol Remark AUDIO IN4 L Side (SHVS) The option settings for the Tuner type can be found in Option AUDIO IN4 R setting 1 of the SAM mode. The Option settings for Option 1 are...
  • Page 76 Circuit Descriptions, List of Abbreviations, and IC Data Sheets EN 76 L04HE AA • SCART2 or AV2 Input assigned to Audio In 3. • Side AV Input assigned to Audio In 4. • External Interface Input assigned to Audio In 2.
  • Page 77 Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04HE AA EN 77 9.7.4 Options the system (e.g. sets with BG/DK/I/LL’ can have or not have FM radio). • For the case of NAFTA and LATAM, there is only one The option settings allow for process of the video as per set transmission standard, which is the M standard.
  • Page 78 Circuit Descriptions, List of Abbreviations, and IC Data Sheets EN 78 L04HE AA 9.10 Abbreviation List Integrated IC bus Institutional TV LATAM Latin American countries like Brazil, 2 Carrier (or Channel) Stereo Argentina, etc. Automatic Channel Installation: Light Emitting Diode...

  • Page 79: Ic Data Sheets

    Circuit Descriptions, List of Abbreviations, and IC Data Sheets L04HE AA EN 79 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 80: Spare Parts List

    Spare Parts List EN 80 L04HE AA 10. Spare Parts List Set Level 2214 2238 586 59812 100nF 20% 50V 0603 2457 2022 031 00137 4.7 F 20% 250V 2215 4822 126 13879 220nF +80-20% 16V 2459 4822 122 31177 470pF 10% 500V...
  • Page 81 Spare Parts List L04HE AA EN 81 3298 4822 051 30101 100 5% 0.062W 3533 5322 117 13056 8.2k 1% 0.063W 0603 3401 4822 050 24703 47k 1% 0.6W 3534 4822 116 52175 100 5% 0.5W 3404 4822 117 11151 1 3537 4822 051 30222 2.2k...
  • Page 82 Spare Parts List EN 82 L04HE AA 5208 4822 526 10704 Bead 50 100MHz 6733 3198 020 55680 BZX384-C5V6 2390 2238 586 59812 100nF 20% 50V 0603 5209 2422 549 42896 Bead 120 100MHz 6990 4822 130 11397 BAS316 2392...
  • Page 83 Spare Parts List L04HE AA EN 83 2176 2238 586 59812 100nF 20% 50V 0603 1505 2422 025 16268 Connector 2p m 2178 4822 126 13881 470pF 5% 50V 1693 2422 025 10738 Connector 6p m 2180 4822 124 22652 2.2 F 20% 50V...

  • Page 84: Revision List

    Revision List EN 84 L04HE AA 11. Revision List Manual xxxx xxx xxxx.0 • First release. Manual xxxx xxx xxxx.1 • Some small textual changes made. • Spare parts list added.
  • Page 85 Spare Parts List EN 82 L04HE AA 5208 4822 526 10704 Bead 50 100MHz 6733 3198 020 55680 BZX384-C5V6 2390 2238 586 59812 100nF 20% 50V 0603 5209 2422 549 42896 Bead 120 100MHz 6990 4822 130 11397 BAS316 2392...
  • Page 86 Spare Parts List L04HE AA EN 83 2176 2238 586 59812 100nF 20% 50V 0603 1505 2422 025 16268 Connector 2p m 2178 4822 126 13881 470pF 5% 50V 1693 2422 025 10738 Connector 6p m 2180 4822 124 22652 2.2 F 20% 50V...
  • Page 87 Revision List EN 84 L04HE AA 11. Revision List Manual xxxx xxx xxxx.0 • First release. Manual xxxx xxx xxxx.1 • Some small textual changes made. • Spare parts list added.

Table of Contents