Philips 21PT2327/79 Service Manual
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Philips 21PT2327/79 Service Manual

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Colour Television
©
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 0764 BG CD Customer Service
Contents
Waveforms
Printed in the Netherlands
Page
2
4
5
6
15
(A) 16
17-18
20
21
23
28
33
34
37
Subject to modification
Chassis
TC8.1A
CA
H_17130_000.eps
240407
EN 3122 785 17130

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Summary of Contents for Philips 21PT2327/79

  • 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 0764 BG CD Customer Service...

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

    EN 2 TC8.1A CA Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Side and Rear Connections Index of this chapter: 1.1 Technical Specifications 1.2 Side and Rear Connections 1.3 Chassis Overview Notes: • Figures can deviate due to the different set executions. •...
  • Page 3 Technical Specifications, Connections, and Chassis Overview TC8.1A CA EN 3 Chassis Overview CRT PANEL SIDE AV PANEL + HEADPHONE MONO CARRIER H_17130_039.eps 070507 Figure 1-2 PWB/CBA locations (depending on model)

  • Page 4: Safety Instructions, Warnings, And Notes

    EN 4 TC8.1A CA 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 chassis.

  • Page 5: Directions For Use

    Service version change code, digits 5 and 6 refer to the • Use only lead-free soldering tin Philips SAC305 with order production year, and digits 7 and 8 refer to production week (in code 0622 149 00106. If lead-free solder paste is required, example below it is 2006 week 17).

  • Page 6: Mechanical Instructions

    EN 6 TC8.1A CA Mechanical Instructions 4. Mechanical Instructions Assy / Board Removal Index of this chapter: 4.1 Set Disassembly 4.2 Assy / Board Removal Sometimes, it can be necessary to swap a complete assy or 4.3 Service Positions Printed Wiring Board (PWB). How that can be done is 4.4 Set Re-assembly explained below.
  • Page 7 Mechanical Instructions TC8.1A CA EN 7 4.2.2 Mono Carrier Removal 1. First, disconnect the strain relief of the AC power cord [4]. 2. Disconnect all the necessary cables [5]. 3. To remove the Mono Carrier; release the clamps [6] and slide the whole panel backwards [7] (= away from the front).

  • Page 8: Service Modes, Error Codes, And Fault Finding

    EN 8 TC8.1A CA Service Modes, Error Codes, and Fault Finding 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: 5.1 Service Modes 5.2 Error Codes 5.3 Fault Finding Service Modes For an explanation of the Factory Mode, see chapter 8 “Alignments”.
  • Page 9 Service Modes, Error Codes, and Fault Finding TC8.1A CA EN 9 5.3.2 No Picture, No Sound, No Raster, B+ OK No Picture, no sound, no raster, B+ OK Check Check Check Check 5V supply H out waveform waveform waveform pin 9 of IC 201 Pin 13 of IC 201 C of Q401 C of Q402...
  • Page 10 EN 10 TC8.1A CA Service Modes, Error Codes, and Fault Finding 5.3.4 Picture OK, No Sound Picture OK, No sound Check Vcc Check +22v Pin 13 of IC601 Circuit Check Change the Check Vol Q624,Q625,Q093 is damaged Pin 3 & Mute Pin10 of IC601 OK? component Check audio O/P Check...
  • Page 11 Service Modes, Error Codes, and Fault Finding TC8.1A CA EN 11 5.3.6 One Horizontal Line One horizontal line Check Replace Deflection yoke Yoke coil Terminal OK? Check Check +24v supply R405 (Fuse) Pin 2 of IC 301 D402 Check Check V input V output Pin 1 of IC 301...
  • Page 12 EN 12 TC8.1A CA Service Modes, Error Codes, and Fault Finding 5.3.7 Some Waveforms: H_17130_019.eps 240407 H_17130_016.eps 240407 Figure 5-10 V-out pin 5 of IC301 Figure 5-7 FBP pin 12 of IC201 H_17130_020.eps 240407 H_17130_017.eps 240407 Figure 5-11 Q402 C Figure 5-8 H_out pin 13 of IC201 H_17130_021.eps 240407...
  • Page 13 Service Modes, Error Codes, and Fault Finding TC8.1A CA EN 13 H_17130_022.eps 240407 Figure 5-13 Q815 drain 5.3.8 Important Voltages Overview Line Position Normal (V) Standby (V) B+ Joint of L801 and R826A +110.8 +96.9 Joint of C834 and D831 +13.0 +10.9 Joint of L212 and C090...

  • Page 14: Block Diagrams, Test Point Overview, And

    Block Diagrams, Test Point Overview, and Waveforms TC8.1A CA 6. Block Diagrams, Test Point Overview, and Waveforms Block Diagram Mono Carrier Q815,IC801 T803 112(108) 220V~ D801—D804 AMP. Transformer Power R/G/B R/G/B Video Amp. V. AMP. IC301 V.out Toshiba Tuner IF AMP FOCUS 8891\8893 TU101...

  • Page 15: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts TC8.1A CA 7. Circuit Diagrams and PWB Layouts Mono Carrier MONO CARRIER H_17130_001.eps 160407...
  • Page 16 Circuit Diagrams and PWB Layouts TC8.1A CA Layout Mono Carrier (Top Side) H_17130_002.eps 160407...
  • Page 17 Circuit Diagrams and PWB Layouts TC8.1A CA Layout Mono Carrier (Bottom Side) H_17130_003.eps 160407...

  • Page 18: Crt Panel

    Circuit Diagrams and PWB Layouts TC8.1A CA CRT Panel CRT PANEL H_17130_004.eps 160407...
  • Page 19 Circuit Diagrams and PWB Layouts TC8.1A CA Layout CRT Panel (Top Side) H_17130_005.eps 160407...

  • Page 20: Side Av & I/O Panel

    Circuit Diagrams and PWB Layouts TC8.1A CA Side AV & I/O Panel SIDE AV I/O PANEL Main Board Main Board H_17130_006.eps 160407 Layout Side AV & I/O Panel (Top Side) H_17130_007.eps 160407...

  • Page 21: Alignments

    Alignments TC8.1A CA EN 23 8. Alignments Index of this chapter: 8.1 General Information 8.2 Factory Mode (Service Menu, Service Mode) 8.3 Alignment procedure Note: Figures below can deviate slightly from the actual situation, due to the different set executions. General Information Perform all electrical adjustments under the following conditions:...
  • Page 22 EN 24 TC8.1A CA Alignments 8.2.4 Factory Mode Overview Navigation: V8-TM28-5669 ver. x.x V8-TM28-5669 ver. x.x V8-TM28-5669 ver. x.x V8-TM28-5669 ver. x.x V8-TM28-5669 ver. x.x OEMV STBG VCENP START (Factory Mode) V8-TM28-5669 ver. x.x V8-TM28-5669 ver. x.x V8-TM28-5669 ver. x.x V8-TM28-5669 ver.
  • Page 23 Alignments TC8.1A CA EN 25 8.2.5 Group List Overview GROUP1 KEY 0 GROUP 7 KEY 7 R CUT OFF RFAGC RF AGC G CUT OFF SECAM B-Y BLACK ADJUST B CUT OFF SECAM R-Y BLACK ADJUST G DRIVE BRTS SUB BRIGHT shift data of BRTC B DRIVE TXCX TEXT RGB CONTRAST MAX.
  • Page 24 EN 26 TC8.1A CA Alignments 8.2.6 Delta NVM Overview Some option values depend on the model number. Please refer to table below for the deviations. Table 8-1 Delta NVM overview Group Option 0x86 0x86 0x86 0x86 0x86 0x86 0x86 0x86 0x86 0x86 0x86...
  • Page 25 Alignments TC8.1A CA EN 27 Alignment procedure with “WRCUT“, “WGCUT“, “WBCUT“, “WGDRV“, and “WBDRV“, while the WARM adjustments can be performed via “CRCUT“, “CGCUT“, “CBCUT“, “CGDRV“, and Perform the alignments in the following sequence: “CBDRV“ 1. B+ voltage adjustment. • When adjusting, “BB”...

  • Page 26: Circuit Descriptions, Abbreviation List, And Ic Data Sheets

    EN 28 TC8.1A CA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9. Circuit Descriptions, Abbreviation List, and IC Data Sheets Index of this chapter: 9.1 General 9.2 Chassis Block Diagram 9.3 Brief IC Descriptions 9.4 Abbreviation List Notes: • Figures can deviate slightly from the actual situation, due to different set executions.
  • Page 27 Circuit Descriptions, Abbreviation List, and IC Data Sheets TC8.1A CA EN 29 Brief IC Descriptions 9.3.1 IC201 (TMPA8891CXBNG) The TMPA8891 is an integrated circuit for a PAL/ NTSC/ SECAM TV. A microcontroller (MCU) and a TV signal processor are integrated in a 64-pin shrink DIP package. The MCU part contains: •...
  • Page 28 EN 30 TC8.1A CA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.3.2 TU101 (FSBP05P-3-E) 9.3.5 IC901 (HCF4053B) Intermediate frequency: This is an analogue switch. Its pinning diagram, pin description • Picture carrier: 38.90 MHz and truth table are as follows: •...
  • Page 29 Circuit Descriptions, Abbreviation List, and IC Data Sheets TC8.1A CA EN 31 9.3.6 IC301 (LA78040N-E) 9.3.7 Q402 (BU4508DZS) IC301 is a vertical deflection output IC. Q402 is a high speed switching, high voltage PNP power Its block diagram and pin connection are as follows: transistor with a built-in damper diode, designed for use in horizontal deflection circuits.

  • Page 30: Pin Configuration

    EN 32 TC8.1A CA Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.3.8 IC801 (TEA1506P) IC801 is a switched mode power supply control IC. Its block diagram and pinning are as follows: Block Diagram Pin Configuration H_17130_032.eps 240407 Figure 9-7 Block diagram of IC801 (TEA1506P)

  • Page 31: Abbreviation List

    Circuit Descriptions, Abbreviation List, and IC Data Sheets TC8.1A CA EN 33 Abbreviation List carrier = 4.433619 MHz) and South America (color carrier PAL M = 3.575612 MHz and PAL N = 3.582056 1080i 1080 visible lines, interlaced MHz) 1080p 1080 visible lines, progressive scan Printed Circuit Board (or PWB) Analogue to Digital Converter...

  • Page 32: Spare Parts List

    EN 34 TC8.1A CA Spare Parts List 10. Spare Parts List Set Level C216 9965 000 14039 4.7μF 20% 50V C834 9965 100 03194 1µ 50V C217 9965 000 14599 470μF 20% 16V C835 9965 000 31230 100µF 20% 160V C218 9965 000 15088 0.47μF 20% 50V C837...
  • Page 33 Spare Parts List TC8.1A CA EN 35 R307 9965 100 03113 18kΩ 5% 1/6W R940 9965 000 15062 7.5kΩ 50% 1/6W R308 9965 000 15057 4.7k 5% 0.16W R941 9965 100 02999 1kΩ 5% 1/6W R309 9965 000 14050 10k 5% 0.16W R963 9965 100 02999 1kΩ...
  • Page 34 EN 36 TC8.1A CA Spare Parts List Q501 9965 100 02998 TRANSISTOR 2SC2482 Q502 9965 100 02998 TRANSISTOR 2SC2482 Q503 9965 100 02998 TRANSISTOR 2SC2482 Q510 9965 100 02997 ST2SA1015Y (PNP)

  • Page 35: Revision List

    Revision List TC8.1A CA EN 37 11. Revision List Manual xxxx xxx xxxx.0 • First release.

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