Philips 20PFL4122/93 Service Manual
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Philips 20PFL4122/93 Service Manual

Chassis tps1.0a la
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See also: User Manual
Colour Television
Service
Service
Service
Service
Service
Service
Contents
1. Technical Specifications and Connections
3. Directions for User
7. Circuits Diagrams & PWB Layouts
Electrical Instructions
9.
Abbreviations List and IC Data Sheets
C
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 CS 0768 BU CD Customer Service
Page
Contents
10.
Recommended/Spare Parts List
2
Recommended Parts List
4
Spare Parts List
6
11.Different Parts List
9
12.
Revision List
11
17
18
Diagram
20
21
22
23
24
25
26
27
28
29
30
31
32
43
46
50
52
54
55
56
57
59
62
Printed in the Netherlands
TPS1.0A
20PFL4122/79
20PFL4122/98
20HF4005/93
Subject to modification
PHILIPS
Chassis
LA
Page
66
67
72
80
EN 3122 785 17041

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Summary of Contents for Philips 20PFL4122/93

  • 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 CS 0768 BU CD Customer Service...

  • Page 2: And Chassis Overview

    TPS 1.0A LA 1. Technical Specifications,Connections,and Chassis Overview 1.Technical Specifications,Connections,and Chassis Overview Index of this chapter: Power consumption 1.1 Technical Specifications Normal: 60W/Typ. at PC mode, 60W /Typ. 1.2 Connections at TV mode (LED: Blue) 1.3 Chassis Overview Max: 65W(with Audio) Standby <...
  • Page 3 TPS 1.0A LA 1. Technical Specifications, Connections and Chassis Overview 1.2.3 HDMI Pin assignment (Nafta only) 1.2.4 VGA Pin assignment Type A Connector No. 1 No. 19 No. 2 No. 18 PIN No. SIGNAL PIN No. SIGNAL TMDS Data2+ Green TMDS Data2 shield Blue TDMS Data2-...

  • Page 4: Safety Instructions, Warnings And Notes

    Mains/AC power plug.\ 2.Set the Mains/AC Power switch to the ON position " " Philips CE is producing Lead-free sets (PBF) from 1.1.2005 (keep the Mains/AC Power cord unplugged!) onwards. 3.Measure the resistance value between the pins of the Mains/AC Power plug and the metal shielding of the tuner or the aerial connection on the set.The reading...
  • Page 5 Always respect voltages.While some may not be dangerous in themselves,they can cause unexpected reactions that are best In September 2005,Philips CE introduced a change in the way avoided.Before reaching into a powered TV set,it is best to test the serial number(or production number,see Figure 2-1)is the high voltage insulation.It is easy to do,and is a good service...
  • Page 6 TPS 1.0A LA 3. Directions for Use 3. Directions for Use You can download this information from the following websites: http://www.philips.com/support http://www.p4c.philips.com PC Mode 1st Layer 2nd Layer 3rd Layer 4th Layer Picture Color temp Normal Warm Cool Brightness Contrast...
  • Page 7 TPS 1.0A LA 3. Directions for Use Contrast Brightness Color Sharpness Color temp Normal Warm Cool Picture format Expand 4:3 Compress 16:9 HD 4:3 Smart sound Personal Speech Music Movie Multimedia Settings Treble Bass Balance Incredible surround Timer Clock Start time Stop time Sleep timer Auto lock...
  • Page 8 TPS 1.0A LA 3. Directions for Use Clear all Start ? Source list SIDE AV Install Language English Thai (Only /79/98) Arabic (Only /79/98) Auto store Start ? Auto store Please wait Prog. found Frequency Manual store Manual store Start ? Prog.

  • Page 9: Mechanical Instructions

    TPS 1.0A LA 4. Mechanical Instructions 4. Mechanical Instructions Step 2. Remove the Back cover and SHIELD-MAIN as Fig.4~5. Remove the 4 screws, then r emove the back cover as Fig.4 Index of this chapter: b. Remove the 5 screws , then remove SHIELD-MAIN as Fig.5. 4.1 Assy/Panel Removal 4.2 Set Re-assembly 4.1 Assy/Panel Removal...
  • Page 10 TPS 1.0A LA 4. Mechanical Instructions Fig.7 Fig.10 Step 5. Remove Front bezel assy and LVDS cable as Fig.8~9. Remove the LVDS cable as Fig.8. Insulation material b. Remove the Front bezel assy as Fig.9. 4.2 Set Re-assembly To re-assemble the whole set, execute all processes in reverse order.

  • Page 11: 20Pfl4122/93

    It can display CSM windows message when press 1-2 3-6 5-4 on the button (RC) remote control in normal operation mode. The following information is displayed on screen: CSM Item Contents Remark 1:Set type 20PFL4122/93 Model name 14 digit production-code to be retrieved per 2: Production code BZ2A0712390037 set to be written in NVM./EEPROM F3=family,20PFL4122=model,A=Asia,V=version, 3: SW-naming main-processor F3 20PFL4122A_V2.00...
  • Page 12 TPS 1.0A LA 5. Service Modes, Error Codes and Fault Finding 5.2 Factory Mode It can enter Factory Mode 1. Press "062596+Menu" on the button (RC) remote control as Fig1 Fig 1 2.Choose F3 93 V1.77 71.1 and press"OK"button to enter factory mode as Fig 2 Fig 2 3.
  • Page 13 TPS 1.0A LA 5. Service Modes, Error Codes and Fault Finding 5.3 Repair flow chart 1.No work/LED is off Check if power switch is Replace Power switch normal Check IR board CN001 pin1=0V,pin2=3.7V, Check IR board pin3=3V,pin4=2.85V ,pin5=5V,pin6 =3.3V Check scaler board U102 pin1=14V,pin4=1.22V, pin7=16V,pin8=5V, 2.No raster/picture too...
  • Page 14 TPS 1.0A LA 5. Service Modes, Error Codes and Fault Finding 3.No picture/LED is green Check scaler board U102 Check power pin1=14V,pin4=1.22V, pin7=16V,pin8 Check circuit around Check if each regulator and working voltage eliminate short and U152,pin2=3.3V open situation pin3=5V Check if clock Replace X350 source X350...
  • Page 15 TPS 1.0A LA 5. Service Modes, Error Codes and Fault Finding 4.No TV sound Check if tuner TU201 pin11 Replace TU201 output IF signal Check U301 5.No earthphone sound Check Eliminate short and open U760 pin15=3.3V situation Check U760 pin20=HPOUTL Replace U760 pin6=HPOUTR Replace Side AV Board...
  • Page 16 TPS 1.0A LA 5. Service Modes, Error Codes and Fault Finding 6.No remote function Tty another Replace one good remote control remote control Check IR receiver 7.LED and function key poor Check circuit around control board and cable between control board and scaler board 8.No HDMI picture Invalid Change U701 writen...

  • Page 18: Block Diagram

    6. Block Diagram TPS 1.0A LA 6.2 Block Daigram Block Diagram S-07...
  • Page 19 TPS 1.0A LA 6. Block Diagram Power Management...

  • Page 54: Alignments

    TPS 1.0A LA 8. Alignments 8. Alignments Index of this chapter: 8.1 Electrical Instructions 8.2 ISP Instructions 8.3 Serial Number Definition Notes: You could adjust the LCD/TV following this chapter when the LCD/TV has the below defect. 1. Change panel. 2. Change or repair main board. 3.

  • Page 55: Software Upgrading

    8.2 Software Upgrading 8.2.1 ComPair Introduction ComPair (Computer Aided Repair) is a Service tool for Philips Consumer Electronics products. and offers the following: 1. ComPair features TV software upgrade possibilities. 2. ComPair helps you to quickly get an understanding on how to repair the chassis in a short and effective way (this feature is not supported in this chassis).

  • Page 56: Serial No.definition

    TPS 1.0A LA 8. Alignments 8.3 Serial Number Definition BOM Code: PANEL SUPPLIER CODE LPL(LG) B Z 2 A 0 6 5 1 0 0 0 0 0 1 Serial number (6 digits) Production year/week code Service version change code BOM (bill of Material) code Site code (Production center) BZ CODE ( AR---CZECH REPUBLIC,...

  • Page 57: Circuit Descriptions

    TPS 1.0A LA 9. Circuit Descriptions, Abbreviations List and IC Data Sheets 9. Circuit Descriptions, Abbreviations List and IC Data Sheets Index of this chapter 9.1 Circuit Descriptions 9.2 Abbreviations List 9.3 IC Data Sheets Circuit Descriptions 9.1.1General Description This LCD TV F3-AS2 platform supports PC analog input up to XGA panel and supports TV (RF) for all China (/93) and AP (/79 /98) systems (PAL B/G, PAL D/K, PAL I, SECAM B/G, SECAM D/K, SECAM L, SECAM L1, NTSC M), YC, CVBS, Y Pb Pr, DVI and PC signal input from SDTV to HDTV (480i/p, 576i/p, 720p, 1080i/p).
  • Page 58 TPS 1.0A LA 9. Circuit Descriptions, Abbreviations List and IC Data Sheets Pattern generator for production test - Supports OSD MUX and alpha blending capability - Supports blinking and scrolling for closed caption applications Video Plane - 2-D video deinterlacer - Edge-oriented adaptive algorithm for smooth low-angle edges - MStar 3rd Generation Advanced Color Engine (MStarACE-3) gives: Brilliant and fresh color...

  • Page 59: Abbreviations List

    9. Circuit Descriptions, Abbreviations List and IC Data Sheets TPS 1.0A LA 9.2 Abbreviations List Customer Service Mode ATSC Advanced Television Systems Committee, the digital TV standard in the USA Digital Versatile Disc EEPROM Electrically Erasable and Programmable Read Only Memory 3DNR Temporal (3D) Noise Reduction Automatic Gain Control: algorithm that controls the video input of the feature box...
  • Page 60 Scan mode where two fields are used to form one frame. Each field contains half the number of Interlaced the total amount of lines. The fields are written in "pairs", causing line flicker. Infra Red Interrupt Request LATAM Latin America Liquid Crystal Display Light Emitting Diode LG.Philips LCD (supplier) MUTE MUTE Line...
  • Page 61 9. Circuit Descriptions, Abbreviations List and IC Data Sheets TPS 1.0A LA Thin Film Transistor SRAM Static RAM STBY STandBY Sync On Green SVGA 800x600 (4:3) SVHS Super Video Home System Software SWAN Spatial temporal Weighted Averaging Noise reduction SXGA 1280x1024 TMDS Transmission Minimized Differential Signalling...

  • Page 62: Ic Data Sheets

    9. Circuit Descriptions, Abbreviations List and IC Data Sheets TPS 1.0A LA 9.3 IC Data Sheets This section shows the internal block diagrams and pin configurations of ICs that are drawn as "black boxes" in the electrical diagrams (with the exception of "memory" and "logic" ICs). 9.3.1 IC Data Sheet-MST96885L(U4101) PIN Assignments...
  • Page 63 9. Circuit Descriptions, Abbreviations List and IC Data Sheets TPS 1.0A LA 9.3.2 IC Data Sheet-TPA3005D2PHPR...
  • Page 64 9. Circuit Descriptions, Abbreviations List and IC Data Sheets TPS 1.0A LA 9.3.3 IC Data Sheet-HY57V641620ETP(U4203)
  • Page 65 9. Circuit Descriptions, Abbreviations List and IC Data Sheets TPS 1.0A LA...
  • Page 66 TPS 1.0A LA 10.Recommended/Spare Parts List 10.1 Recommended Parts List Type:20PFL4122/93(CPT) Item Philips 12NC Description Code Number 1172 996500041562 MAINSCORD CCEE 10A 1M8 DET BK 089G414A18NLSC 8803 996510002459 FFC CABLE 50P 295mm P0.5 089T176E 16909 8354 HARNESS 11P-11P 110mm 46510...
  • Page 67 TPS 1.0A LA 10.Recommended/Spare Parts List 10.2 Spare Parts List Model: 20PFL4122/93(CPT) 12NC:8670 000 27396 Item Philips 12NC Description Code Number C4104 996500042233 CER2 1206 Y5V 10V 10U P8020 R 065G1206106A7Z C4105 996500042262 CAP CHIP 0603 100N 50V Y5V -20%+80%...
  • Page 68 TPS 1.0A LA 10.Recommended/Spare Parts List C6220 996500042403 CER 1210 10U 25V Y5V -20%+80% 065G121010627Z R2110 996500042212 RST CHIPR 0 OHM +-5% 1/10W 061G0603000 C6221 996500042403 CER 1210 10U 25V Y5V -20%+80% 065G121010627Z R2113 996500042212 RST CHIPR 0 OHM +-5% 1/10W 061G0603000 C6222 996500042259 CAP CHIP 0603 100P 50V NPO +/-5% 065G060310131J...
  • Page 69 ZD1101 996510002526 DIODE BZX84-C5V6 SOT-23 VISHAY 093G 39S901 T R7207 996500042656 RST CHIPR 10 OHM +-5% 1/10W 061G0603100 ZD1101 996500044282 DIODE BZX84-C5V6 SOT-23 PHILIPS 093G 39S911 T R7208 996500042214 RST CHIPR 10 KOHM +-5% 1/10W 061G0603103 ZD1102 996510002526 DIODE BZX84-C5V6 SOT-23 VISHAY...
  • Page 70 996510002733 Y1 CAP 470PF +10% 250V AC KX 065G306K4712BM C901 996500043824 Y1 CAP 470pF +10% 250VAC CD SERIES 065G306K4712B3 ZD7402 996500044282 DIODE BZX84-C5V6 SOT-23 PHILIPS 093G 39S911 T ZD7403 996510002526 DIODE BZX84-C5V6 SOT-23 VISHAY 093G 39S901 T C901 996510002733 Y1 CAP 470PF +10% 250V AC KX...
  • Page 71 DIODE BYV26EGP 1A 1000V DO-41 093G110090152T D910 996500043412 DIO SIG SM BAV103 (VISH) R 093G 64901 T D910 996500043413 DIODE BAV103 SOD-80C PHILIPS 093G 52S900 T D911 996500043412 DIO SIG SM BAV103 (VISH) R 093G 64901 T D911 996500043413 DIODE BAV103 SOD-80C PHILIPS...
  • Page 72 TPS 1.0A LA 11.Different Parts List Diversity of 20PFL4122/79(CPT) compared with 20PFL4122/93(CPT) 20PFL4122/79(8670 000 27455) 20PFL4122/93(8670 000 27396) Item Philips 12NC Code Number DESCRIPTION Item Philips 12NC Code Number DESCRIPTION P44TA009813 2A CARTON P44TA009813 1A CARTON (BIG PACKING) P44TA009813 2A...
  • Page 73 11.Different Parts List TPS 1.0A LA Diversity of 20PFL4122/98(LPL) compared with 20PFL4122/93(CPT) 20PFL4122/98(LPL) 20PFL4122/93(CPT) Item Philips 12NC Code Number Description Item Philips 12NC Code Number Description 1050 996510009598 750TVGA1V2D11M000F LC201V02-SDD1 1050 996510002467 750TVCA1V7C11N Panel TV CLAA201VA07C CPT 1053 996510010277 CBPF72MMZA3...
  • Page 74 TPS 1.0A LA 11.Different Parts List C813 996500042697 065G080547422 CHIP 0.47UF 25V X7R 0805 C834 996510004372 065G 3J1006ET 10PF 5% SL 3KV C835 996510004373 065G080518332K Y CAP CHIP 0805 18NF K 50V X7R C837 996510004372 065G 3J1006ET 10PF 5% SL 3KV C838 996510004373 065G080518332K Y...
  • Page 75 RST CHIP 7K5 1/8W 5% R930 996510004364 061G08052401F RST CHIPR 2.4 KOHM +-1% 1/8W R933 996510004365 061G0805130 2F RST CHIP 13K 1/8W 1% Diversity of 20PFL4122/79(LPL) compared with 20PFL4122/93(CPT) 20PFL4122/79(LPL) 20PFL4122/93(CPT) Item Philips 12NC Code Number Description Item Philips 12NC...
  • Page 76 TPS 1.0A LA 11.Different Parts List FB4106 996510004340 071T 59A121 TA 120R/3000mA HCB1608KF-121T30 FB4107 996510004340 071T 59A121 TA 120R/3000mA HCB1608KF-121T30 FB4108 996510004340 071T 59A121 TA 120R/3000mA HCB1608KF-121T30 FB4109 996510004340 071T 59A121 TA 120R/3000mA HCB1608KF-121T30 FB7102 996500042265 071G56A221TA IND FXD 0805 EMI 100MHZ 220R R ZD7102 996500037806 093G60S801...
  • Page 77 PT804 996510004376 080TL20T910 DN Darfon Transformer PT805 996510004376 080TL20T910 DN Darfon Transformer PT806 996510004376 080TL20T910 DN Darfon Transformer Diversity of 20PFL4122/93(LPL) compared with 20PFL4122/93(CPT) 20PFL4122/93(LPL) 20PFL4122/93(CPT) Item Philips 12NC Code Number Description Item Philips 12NC Code Number Description 996510004255 P33T0082 WTA1AA000...
  • Page 78 TPS 1.0A LA 11.Different Parts List Q7108 996510003458 057G 477900 T TRA SIG SM BC847C (KEC0) R R4101 996500045228 061G0603272 RST CHIP 2K7 1/10W 5% R4101 996500040053 061G0603102 RST CHIP 1K 1/10W 5% R7107 996500042212 061G0603000 RST CHIPR 0 OHM -5% 1/10W R7114 996500044038 061G0603224...
  • Page 79 11.Different Parts List TPS 1.0A LA C933 996500043836 067G215H1024K LOW ESR EC 1000UF 25V EB1E102M C933 996500043463 067G215H1024C EC 1000uF 25V LZ 10x20mm C936 996500043836 067G215H1024K LOW ESR EC 1000UF 25V EB1E102M C936 996500043463 067G215H1024C EC 1000uF 25V LZ 10x20mm C947 996510004039 065G080510131...
  • Page 80 TPS 1.0A LA 12.Revision List Service Manual 3122 785 17040 Service Manual 12NC Content 20PFL4122/93 release 3122 785 17040 20PFL4122/79/98, 20HF4005/93 release 3122 785 17041...

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