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Philips HTS3274/51 Service Manual

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DVD Home Theater System
Service
Service
Service
Service Manual
Copyright 2009 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
RY0926
Service Audio Printed in The Netherlands Subject to modification
Version 1.1
TABLE OF CONTENTS
Location of PCB Boards ............................................ 1-2
Versions Variation ...................................................... 1-2
Specifications ............................................................ 1-3
Measurement Setup .................................................. 1-4
Service Aids .............................................................. 1-5
ESD & Safety Instruction .......................................... 1-6
Lead-free soldering Information ................................ 1-7
Setting procedure & Repair Instructions........................ 2
Disassembly Instructions & Service positions .............. 3
Block & Wiring Diagram ................................................ 4
DISP+LED+VOL Board.................................................. 5
MAIN+Y.U.V Board ........................................................ 6
Power Board .................................................................. 7
MP3 IN+MIC Board........................................................ 8
Mechanical Exploded View & Part List .......................... 9
Revision List ................................................................ 10
Chapter
HTS3274/
51
3139 785 34981
GB

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Summary of Contents for Philips HTS3274/51

  • Page 1 MP3 IN+MIC Board............8 Mechanical Exploded View & Part List ......9 Revision List ..............10 Copyright 2009 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.
  • Page 2 1 - 2 LOCATION OF PCB BOARDS Y.U.V PCB MAIN PCB LED PCB DISPLAY PCB POWER PCB VOLUME PCB MP3 IN & MIC PCB VERSION VARIATION: Type/Versions HTS3274 Features Output Power - 420W Voltage (110~240V) MP3 LINK SERVICE SCNARIO MATRIX: Type/Versions HTS3274 Board in used...
  • Page 3 1 - 3 SPECIFICATIONS Playback media Speakers DVD-Video, DVD+R/+RW, DVD-R/-RW, DVD+R DL, CD-R/ System ............full range satellite CD-RW, Audio CD, Video CD/SVCD, Picture CD, MP3-CD, Speaker impedance ..............WMA-CD, DivX-CD, USB ash drive ..... For HTS3276: 4 ohm (center), 8 ohm(Front/Rear) ..For HTS3371, HTS3378: 4 ohm(center), 4 ohm (Front/Rear) Amplifier Speaker drivers .................
  • Page 4 1 - 4 MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3)
  • Page 5 1 - 5 SERVICE AIDS Service Tools: Universal Torx driver holder .........4822 395 91019 Torx bit T10 150mm ...........4822 395 50456 Torx driver set T6-T20 .........4822 395 50145 Torx driver T10 extended ........4822 395 50423 Compact Disc: SBC426/426A Test disc 5 + 5A ......4822 397 30096 SBC442 Audio Burn-in test disc 1kHz ....4822 397 30155 SBC429 Audio Signals disc .........4822 397 30184 Dolby Pro-logic Test Disc ........4822 395 10216...
  • Page 6 1 - 6...
  • Page 7 1 - 7...
  • Page 8 * the system will switch off and on again automatically. b) Press “ok” button to confi rm e) OSD will show: c) TV will show message as below: Current model HTS3274/51 upgrade fi le detected Version: XX.XX.XX Release:XXXX.XX.XX region Servo:XX.XX.XX.XX Do you wish to continue with 8032:XX.XX.XX.XX...
  • Page 9 2 - 2 2 - 2 REPAIR INSTRUCTIONS (ONE)
  • Page 10 2 - 3 2 - 3 REPAIR INSTRUCTIONS (TWO)
  • Page 11 2 - 4 2 - 4 REPAIR INSTRUCTIONS (THREE)
  • Page 12 3 -  3 -  DISASSEMBLY INSTRUCTIONS Dismantling of the Front Panel Assemble 3) Loosen 6 screws and remove the Top Cover by lifting the rear portion upwards before sliding it out towards the rear. -  screw “A” each on the left & right side as shown in figure 4. ) Open the DVD Tray by using the Open/Close Button while the Set is ON and disconnect the mains supply after removing the Tray - 4 screws “B”...
  • Page 13 3 - 2 3 - 2 SERVICE POSITIONS Dismantling of the DISP+LED+VOL&MP3 IN Board ) Loosen 0 screws “E” on the top of DISP+LED+VOL&MP3 IN Board as shown in figure 8. Service position A Figure 8 Dismantling of the Power Board ) Loosen 4 screws “F”...
  • Page 14 4 - 1 4 - 1 BLOCK DIAGRAM Sanyo / Sony pick up VF D Display AS A DVD Loader B+5V IC V 5888 V- CL K VF D DR IV ER V- CS V- DAT A PT6311 Loader motor driver KE Y 1080P 3.3V...
  • Page 15 4 - 2 4 - 2 WIRING DIAGRAM...
  • Page 16 5 - 1 5 - 1 FTD DISPLAY PIN ASSIGNMENT DISP+LED+VOL BOARD .......
  • Page 17 5 - 2 5 - 2 CIRCUIT DIAGRAM C380 B1 C384 C1 C387 A2 C390 B2 C395 C4 DP351 A2 Q351 C1 R3051 B1 R3054 B1 R3057 C1 R3060 C1 R3063 B1 R3068 A3 R3072 C1 RB351 C4 RB357 C1 TA351 A1 TA354 C1 ZD310 C1...
  • Page 18 5 - 3 5 - 3 PCB LAYOUT - TOP VIEW C386 C391 DP351 A2 ESD4 ESD6 J351 J353 J355 J357 J359 LD351 RB355 A1 RB357 B1 SN351 B3 TA352 TA354 VR351 A3 C389 C392 ESD1 ESD5 ESD7 J352 J354 J356 J358 J363...

  • Page 19: Internal Ic Diagram

    6 - 1 6 - 1 INTERNAL IC DIAGRAM - TAS5508B Power Supply MCLK PWM_MPP and MR XTL_OUT PWM Section PWM_MPP and ML XTL_IN Soft Soft Loud Comp DRC Emph Interpolate SRC NS PWM Blquads Tone Block PWM AP and AM1 L Front PLL_FLTM PLL_FLTP Soft...
  • Page 20 6 - 2 6 - 2 CIRCUIT DIAGRAM - part one C370 C1 C4009 B3 C4021 B4 C4031 A4 C4043 A4 C4068 D2 C409 B1 C421 B1 C434 D3 C447 D4 C460 D4 C471 B3 C484 C4 C497 B4 D411 D2 IC407 C1 L410 A4 R4029 D2...
  • Page 21 6 - 3 6 - 3 CIRCUIT DIAGRAM - part two C0201 C2 C0215 C2 C0237 D4 C0252 C4 C204 C219 C237 C601 C713 C736 C812 C828 C843 CE217 C2 CN202 C1 D205 FB212 C1 FB706 A3 IC206 D4 L204 Q206 Q805 R216...
  • Page 22 6 - 4 6 - 4 CIRCUIT DIAGRAM - part three C301 C319 C331 C343 C356 C503 C918 CE301 D2 CE311 D2 CE321 D2 CE346 A1 D303 FE306 D3 IC305 B2 Q903 D1 R309 R325 R338 R351 R361 R379 R503 R560 ZD901 D1 C305...
  • Page 23 6 - 5 6 - 5 PCB LAYOUT - TOP VIEW C0202 A2 C216 C317 C351 C4015 B4 C4081 C4 C457 C702 C801 C833 CN201 C2 FB206 B2 FB715 B1 IC309 B1 JK702 A4 L701 Q802 D1 R223 R258 R290 R322 R355 R4035 D3...
  • Page 24 6 - 6 6 - 6 PCB LAYOUT - BOTTOM VIEW C0201 C4 C0218 B3 C0241 A1 C206 C311 C4004 B1 C4041 A2 C413 C448 C485 C701 C837 CE204 D3 CE304 D4 CE318 C1 CE347 A3 D406 FB601 A3 Q207 B4 R351 R4031 A1 R418...
  • Page 25 7 - 1 7 - 1 INTERNAL IC DIAGRAM - AZ431 CATHODE POWER BOARD TABLE OF CONTENTS Internal IC Diagram ................7-1 ANODE Circuit Diagram .................. 7-2 PCB Layout Top View ............... 7-3 PCB Layout Bottom View ..............7-4...

  • Page 26: Circuit Diagram

    7 - 2 7 - 2 CIRCUIT DIAGRAM BD901 A1 C910 A1 C918 D2 C930 B2 C939 C3 C949 C3 C957 A3 C967 D2 CN903 C4 D908 A3 D917 B3 IC905 B3 L907 A4 Q910 B4 R903 C1 R914 D2 R922 A2 R932 B3 R940 A1...

  • Page 27: Pcb Layout Top View

    7 - 3 7 - 3 PCB LAYOUT - TOP VIEW BD901 A1 C907 C1 C916 A1 C921 A2 C946 A4 C955 B4 C961 D4 CN901 D1 D903 A3 D911 D2 F901 D1 IC905 B3 J904 J910 J915 L901 L906 Q907 A4 R918 A2 R926 B2...

  • Page 28: Pcb Layout Bottom View

    7 - 4 7 - 4 PCB LAYOUT - BOTTOM VIEW C941 A1 R953 A1 ZD905 A1 R912 A2 R983 A2 R939 A3 C950 B1 R944 B1 R937 B2 D919 B3 ZD908 B3 R933 C1 R969 C1 D916 C2 C909 C3 R922 C3 C958 D1 C937 D3...
  • Page 29 8 - 1 8 - 1 MP3 IN BOARD ..............8-1 T ABLE OF CONTENTS .................. 8-2 P CB Layout Top & Bottom View ............8-3...
  • Page 30 8 - 2 8 - 2 CIRCUIT DIAGRAM C383 A3 FB351 A1 FB352 A1 FB355 A3 FB356 A3 FB357 A3 JK351 A2 R3079 A1 R3080 A1 RB352 A1 RB354 A2 USB351 A3 RB352 JK 351 FB 351 C383 MP3L USB 351 R 3079 RB354 FB 355...
  • Page 31 8 - 3 8 - 3 PCB LAYOUT - TOP VIEW PCB LAYOUT - BOTTOM VIEW J360 J361 JK351 JK352 RB352 A1 RB353 A1 RB354 A2 USB351 A2 C383 A1 C393 A2 C394 A2 FB351 A2 FB352 A2 FB353 A2 FB354 A2 FB355 A1 FB356 A1 FB357 A1 R3079 B2 R3080 B2...
  • Page 32 9 - 1 9 - 1 Mechanical Exploded View...
  • Page 33 IC404 996510021229 IC 44P TAS5342ADDV 996510021942 RUBBER FOOT D14xH4.2 IC406 # 996500029611 IC 8P CO4558A SO8 996510027031 SAFETY BKT SECC T=0.8mm IC406 # 996510020341 IC 8P D4558 SOP SILICORE 996510021089 DISP+LED+VOL PCB ASSY IC407 996500023948 IC 14PIN 74HCU04D PHILIPS 996510008251 FM ANT IC801 996510010380 Motor Drive IC 996510021186 REMOTE CONTROL JK302 996510027067 RCA JACK 4P 996510007429 GP FFCCBLE 10P100mm JK401 996510013837 GPSPK JAC12P RD-WT-GRN-...
  • Page 34 10-3 Loc. Alt Part No. safety Description Loc. Alt Part No. safety Description MAIN PCB POWER PCB Q802 # 996510027037 XISTR NPN 2SC5343SG Q915 994000000921 XISTR PNP 2SA812 HFE:200- Q803 996500026927 XISTR PNP 2SB1132RT100 R925 996510021241 RESISTOR 0.22R 3W 5% MO Q804 996500026927 XISTR PNP 2SB1132RT100 R928 996510021232 RES. 56R 3W +/-5% MOF Q805 996510004117 FET 2SK3018 30V/0.1A SC-70 R954 996510021232 RES. 56R 3W +/-5% MOF Q901...
  • Page 35 10 - 1 REVISION LIST Version 1.1 *Initial release #=Alternative Codes =Safety Symbol...