Philips 21PT9470/44 Service Manual
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Philips 21PT9470/44 Service Manual

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Color Television
Contents
21SL9 Mono Carrier: Tuner
21SL9 Mono Carrier: Audio amplifier
©
Copyright 2010 Koninklijke Philips Electronics N.V.
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, el e ctronic, mechanical,
photocopying, or otherwise without the prior permission of Philips.
Published by MB/JY 1064 BU TV Consumer Care, the Netherlands
Page
2
2
3
7
9
14
15
23
24
25
Diagram PWB
26
32-33
27
32-33
(A3)
28
32-33
29
32-33
(A5)
30
32-33
31
32-33
34
35
36
Chassis
SK8.0L
21SL9
21SL9
18690_000_090722.eps
Subject to modification
EN 3122 785 18961
CA
090722
http://www.Datasheet4U.com

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  • 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, el e ctronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Published by MB/JY 1064 BU TV Consumer Care, the Netherlands...

  • Page 2: Revision List

    Here is product information available, as well as getting started, user manuals, frequently asked questions and software & drivers. Table 2-1 Described Model numbers Styling Published in: 21PT9470/44 21SL9 3122 785 18960 21PT9470/55 3122 785 18960 18961_002_100420.eps Directions for Use...

  • Page 3: Precautions, Notes, And Abbreviation List

    Precautions, Notes, and Abbreviation List SK8.0L CA EN 3 3. Precautions, Notes, and Abbreviation List Index of this chapter: • The maintenance inspection includes the following actions: 3.1 Safety Instructions 1. Perform the “general repair instruction” noted above. 3.2 Maintenance Instructions 2.
  • Page 4 O.E.M. supplier for back charging! • Use only lead-free soldering tin Philips SAC305 with order code 0622 149 00106. If lead-free solder paste is required, 3.4.6 Practical Service Precautions please contact the manufacturer of your soldering equipment.
  • Page 5 6.5 MHz. L' is Band (VESA standard for communication I, L is all bands except for Band I channel and display). Using E-DDC, LPL. LG.Philips LCD (supplier) the video source can read the EDID LS. Loudspeaker information form the display. LVDS.
  • Page 6 Committee. Color system mainly used standard in North America and Japan. Color S/PDIF. Sony Philips Digital InterFace carrier NTSC M/N= 3.579545 MHz, SRAM. Static NTSC 4.43= 4.433619 MHz (this is a SRP. Service Reference Protocol VCR norm, it is not transmitted off-air) SSB.

  • Page 7: Mechanical Instructions

    Mechanical Instructions SK8.0L CA EN 7 4. Mechanical Instructions Index of this chapter: 4.1.1 Rear Cover Removal 4.1 Set Disassembly 4.2 Set Re-assembly Warning: disconnect the mains power cord before you remove the rear cover. Note: Figures below can deviate slightly from the actual situation, due to the different set executions.

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

    EN 8 SK8.0L CA Service Modes, Error Codes, and Fault Finding 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: • Check the IC soldering and relevant circuitry on physical 5.1 Test Points damage or check for defective capacitors. 5.2 Service Modes 5.3 Error Codes 5.4.7...

  • Page 9: Alignments

    Alignments SK8.0L CA EN 9 6. Alignments Index of this chapter: 2. Press the keys [i+], “Smart sound” and “Smart picture” to 6.1 General Alignment Conditions enter the factory menu. When in “B/W BALANCE” page, 6.2 Hardware Alignments press “0” on the RC. 6.3 Software Alignments 3.
  • Page 10 EN 10 SK8.0L CA Alignments Factory mode Settings keys can select the items to adjust, pressing “LEFT” and “RIGHT” keys can adjust the values. How to enter and exit service modes BUS OPEN mode: In service mode, pressing “MUTE” Enter “FACTORY MODE”: press “Display”, ”Sound key can enter “BUS OPEN”...
  • Page 11 Alignments SK8.0L CA EN 11 Description of the factory menu Display string Range (Index value) Default IF select; IFA, IFB, IFC 0: 58.75 MHz 1: 45.75 MHz 2: 38.90 MHz 3: 38.00 MHz 4: 33.40 MHz 5: 33.90 MHz AGC speed adjust A SPD 0 to 3 Blue screen...
  • Page 12 EN 12 SK8.0L CA Alignments Description of the factory menu Display string Range (Index value) Default 4 : 3 expand present state 0: Off, 1: On 16 : 9 present state 16:9 0: Off, 1: On VX or VAM active for VX 16 : 9 VX, Normal and VX Expand VX-VAM 0: VX, 1: VAM Peak white limiting...
  • Page 13 Alignments SK8.0L CA EN 13 Description of the factory menu Display string Range (Index value) Default CHSE CHSE1 CHSE0 register, If CHSE ON setting on, CHSE value of strong signal 0: colour sensitivity -34 dB 1: colour sensitivity -37 dB 2: colour sensitivity -41 dB 3: colour sensitivity -46 dB Auto low signal identification...

  • Page 14: Circuit Descriptions

    EN 14 SK8.0L CA Circuit Descriptions 7. Circuit Descriptions Index of this chapter: The stereo identification can be read by the I C-bus. Two 7.1 Introduction different pilot thresholds (data STS = 1; STS = 0) can be 7.2 The various circuits selected via the I C-bus.

  • Page 15: Ic Data Sheets

    IC Data Sheets SK8.0L CA EN 15 8. 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. Diagram A1, STR6554, (IC601) Block diagram Pinning information H_17210_039.eps 100421 Figure 8-1 Block Diagram and Pin Configuration...
  • Page 16 EN 16 SK8.0L CA IC Data Sheets Diagram A1, PC817, (IC602) Block diagram H_17210_040.eps 100421 Figure 8-2 Block Diagram and Pin Configuration Diagram A2, LA78141, (IC301) Block diagram & Pinning information 18961_301_100421.eps 100421 Figure 8-3 Block Diagram and Pin Configuration 2010-Apr-23...
  • Page 17 IC Data Sheets SK8.0L CA EN 17 Diagram A5, TDA7266SA (IC401) Block diagram V CC V CC OUT1+ S-GND Vref OUT1- OUT2+ OUT2- PW-GND Pinning information OUT2+ OUT2- N.C. N.C. S-GND PW-GND ST-BY MUTE N.C. V CC OUT1- OUT1+ 18961_300_100421.eps 100421 Figure 8-4 Block Diagram 2010-Apr-23...
  • Page 18 EN 18 SK8.0L CA IC Data Sheets Pinning information I_17880_007.eps 100421 Figure 8-5 Pin Configuration 2010-Apr-23...
  • Page 19 IC Data Sheets SK8.0L CA EN 19 Pinning information H_17210_030.eps 100421 Figure 8-6 Pin Configuration 2010-Apr-23...
  • Page 20 EN 20 SK8.0L CA IC Data Sheets Pinning information H_17210_031.eps 100421 Figure 8-7 Pin Configuration 2010-Apr-23...
  • Page 21 IC Data Sheets SK8.0L CA EN 21 Diagram A6, TDA12165 (IC101) Block diagram 18961_302_100421.eps 100421 Figure 8-8 Block Diagram 2010-Apr-23...
  • Page 22 EN 22 SK8.0L CA IC Data Sheets Personal Notes: 10000_012_090121.eps 090121 2010-Apr-23...

  • Page 23: Block Diagrams

    Block Diagrams SK8.0L CA EN 23 9. Block Diagrams PWB locations I_17890_003.eps 100422 2010-Apr-23...

  • Page 24: Block Diagram Chassis

    Block Diagram Chassis AUDIO REAR AV SIDE AV AV OUT ANTENNA AV-SW HEF 4052 MTS-LA72703 FS TUNER IF AMP SAW101 PHILIPS UOC TOP TDA12165 R OUT Tuner AGC G OUT 21" CRT B OUT KEY CONTROL CRT BOARD V−DY POWER...

  • Page 25: 21Sl9 Schematic Overview Chassis

    Block Diagrams SK8.0L CA EN 25 21SL9 Schematic Overview Chassis IC101 CRT Board Main Board Assembly TDA12165(For LATAM) C130 0.1uF/100V TP202 TDA12155(For Asia Pacific) R515 R516 D504 10uF/16V C103 15K 2W BA158 TP201 220 1W TP235 R208 680 R419 C112 2.2uF/50V Q504 Vedio-Out...

  • Page 26: Circuit Diagrams And Pwb Layouts

    Circuit Diagrams and PWB Layouts SK8.0L CA EN 26 10. Circuit Diagrams and PWB Layouts 21SL9 Mono Carrier: Power Supply Power Supply C481 1000uF/25V TP401 R461 100K C480 R630 R627 MUTE TP643 D405 R467 R475 TP642 C637 47uF/16V C462 R485 TP412 1N4148 TP410...

  • Page 27: 21Sl9 Mono Carrier: Frame Deflection (A2)

    Circuit Diagrams and PWB Layouts SK8.0L CA EN 27 21SL9 Mono Carrier: Frame Deflection Line and Frame deflection IC301 CRT Deflection Coil LA78141 V DEFLECTION COIL R351 C352 TP34 1 TP331 CN350 0.1uF/63V VDR2 VDR1 C350 R363 R350 TP34 3 0.22uF/63V 270 2W* TP34 0...
  • Page 28 Circuit Diagrams and PWB Layouts SK8.0L CA EN 28 21SL9 Mono Carrier: Tuner Tuner R208 680 RF-AGC A101 C201 10uF/16V TUNER TP101 +5V-VSP R207 +45V C205 R206 100pF/50V C213 TP113 47uF/16V TP102 R204 R203 L201 C204 R209 TP103 0.82uH R217 TP104 SAW101 100pF/50V...

  • Page 29: 21Sl9 Mono Carrier: Av Switch (A4)

    Circuit Diagrams and PWB Layouts SK8.0L CA EN 29 21SL9 Mono Carrier: AV Switch AV Switch TP248 +12 V C407 +5V-VP1 47uF/16V Side AV Board CN01 Q402 CN401 R447 FOR SIDE AV IN 2SC1815Y 150K C408 1uF/50V AV-Vout TP44 9 R418 TP44 8 R416...
  • Page 30 Circuit Diagrams and PWB Layouts SK8.0L CA EN 30 21SL9 Mono Carrier: Audio amplifier Audio amplifier VDR2 TP823 TV-Lout VDR1 3P69SN:TDA7266SA IC401 3P69AP:TDA7269SA R807 R810 C801 TP801 R804 4K7 TP81 2 270K 1uF/16V TP821 TP40 9 Q801 C802 1uF/16v C818 0.1uF PLDET OUT2+ PTFILT...

  • Page 31: 21Sl9 Mono Carrier: Cpu & Decoder (A6)

    Circuit Diagrams and PWB Layouts SK8.0L CA EN 31 21SL9 Mono Carrier: CPU & Decoder CPU and decoder IC101 TDA12165(For LATAM) C130 0.1uF/100V TP202 TDA12155(For Asia Pacific) 10uF/16V C103 TP201 TP235 R419 C112 2.2uF/50V Vedio-Out Side-LIN RF-AGC AV-Vout Front-LIN TP233 L101 10uH C145 2.2uF/50V...
  • Page 32 Circuit Diagrams and PWB Layouts SK8.0L CA EN 32 21SL9 Layout Mono Carrier (Top Side) 18961_506_100422.eps 100422 2010-Apr-23...
  • Page 33 Circuit Diagrams and PWB Layouts SK8.0L CA EN 33 21SL9 Layout Mono Carrier (Bottom Side) 18961_507_100422.eps 100422 2010-Apr-23...

  • Page 34: Crt Board (B)

    Circuit Diagrams and PWB Layouts SK8.0L CA EN 34 CRT Board CRT Board R515 D504 R516 15K 2W BA158 220 1W Q504 T505 T507 2SC2482 R510 Q506 BF422 T506 G501 Q505 T508 T509 R517 2.7K 1W R513 R511 BF423 1.2K R527 2.7K 1W R512 R514...
  • Page 35 Circuit Diagrams and PWB Layouts SK8.0L CA EN 35 Layout CRT Board Top Layer Bottom Layer 18961_509_100422.eps 100422 2010-Apr-23...

  • Page 36: Side Av Panel (D)

    Circuit Diagrams and PWB Layouts SK8.0L CA EN 36 Side AV Panel Side AV Schematic Side AV Board CN01 FOR SIDE AV IN 5800 G1SL9P-6200 Side AV Panel (Top Layer) Side AV Panel (Bottom Layer) 18961_510_100422.eps 100422 2010-Apr-23...

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21pt9470/55Sk8.0l

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