Philips HTS3181/55 Service Manual
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Philips HTS3181/55 Service Manual

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DVD Home Theater System
Service
Service Manual
LASER BEAM SAFETY PRECAUTIONS................................................................................................1-2
STANDARD NOTES FOR SERVICING........................................................................
SAFETY AND IMPORTANT NOTICE......................................................................................................1-7
LOCATION OF PCB BOARDS＆VERSION VARIATION .....................................................................2-1
OPERATING CONTROLS AND FUNCTIONS ........................................................................................2-2
SPECIFICATIONS ......................................................................................................................................3-1
MEASUREMENT SETUP.................................................................................................... .....................3-2 .
SYSTEM,REGION CODE,ETC..SETTING PRODURE................................... ..........................................3-3
RETURN UNIT TEST FLOW......................................................................................................................3-4
MAIN UNIT REPAIR CHART............................................................................................................3-5
DISASSEMBLY INSTRUCTIONS .............................................................................................................4
BLOCK WIRING DIAGRAM.....................................................................................................................5
AMPLIFIER BOARD
LED + KEY BOARD
DECODE BOARD
POWER BOARD.........................................................................................................................................9
MECHANICAL EXPLODE VIEW＆ PART LIST......................................................................................10
REVISION LIST...............................................................................................................11
©
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
RY0929
Service Audio Printed in The Netherlands Subject to modification
Version 1.0
TABLE OF CONTENTS
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1 - 1
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HTS3181/55 HTS3181X/78
Chapter
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..................1-3
GB
3139 785 35050

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  • Page 1 REVISION LIST…………………………………………………..…..……………………....11 © 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: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on.

  • Page 3: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Instructions for Connectors Use only lead-free solder alloy Philips 1. When you connect or disconnect the FFC SAC305 with order code 0622 149 00106. If (Flexible Foil Connector) cable, be sure to first lead-free solder paste is required, please disconnect the AC cord.

  • Page 4: How To Remove / Install Flat Pack-Ic

    3. The flat pack-IC on the CBA is affixed with On our website glue, so be careful not to break or damage the www.atyourservice.ce.Philips.com you find foil of each pin or the solder lands under the IC more information to: when removing it.

  • Page 5: Installation

    3. Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) 4. Release the flat pack-IC from the CBA using tweezers.

  • Page 6: Ground For Workbench

    2. Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding (1 M∧) on the workbench or other surface, where the semi-conductors are to be placed. Because the static electricity charge on clothing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing.

  • Page 7: Safety And Important Notice

    Safety and important notice Warning Copyright notice • Risk of overheating! Never install the Home Theater System in a confi ned space. Always leave a space of at least 4 inches around the Home Theater System for ventilation. Ensure curtains or other objects never cover the This product incorporates copyright ventilation slots on the Home Theater System.

  • Page 8: Location Of Pcb Boards

    LOCATION OF PCB BOARDS DECODE BOARD AMP BOARD POWER BOARD KEY BOARD LED BOARD VERSION VARIATION: Type/Versions HTS3181 HTS3181X /5 5 Features Χ Χ Output Power-300W Χ Χ Voltage(110V-240V) SERVICE SCNARIO MATRIX: Type/Versions HTS3181 HTS3181X Board in used /5 5 DECODE board POWER board AMP board...

  • Page 9: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS Front Panel Standby-On Display Panel Open/Close —Connects a USB — Turns on the player or — Opens or closes the disc Disc Tray supported device switches to standby mode compartment. Play/Pause Stop VOLUME — —starts or pauses —Stops playback Increases or —...

  • Page 10: Specifications

    SPECIFICATIONS AMPLIFIER SPEAKERS System ............Full range satellite Total output power ........300 W RMS(30%THD) Frequency Response ......…..……….180Hz – 18kHz / ±3 dB Speaker impedance ......8 ohm(centre),4 ohm(Front/Rear) Signal-to-Noise Ratio ..........>- 60 dB (A-weighted) Speaker drivers ............ .3” full range speaker Input Sensitivity Frequency response .............150 Hz –...

  • Page 11: Measurement Setup

    MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 20Hz-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 12 In open model, press “1“ “5“ “9“ on RC b) Press and select version you want using c) Press and “ok” button to con rm d) TV will show message as below: Current model HTS3181/55 Ver26.01.2M _090619_0 Region Servo: AE.56.00.00 8032: 05.00.04.06 RISC: 05.02.00.35 4)Password Change a) Press “SETUP“...

  • Page 14: Main Unit Repair Chart

    MAIN UNIT REPAIR CHART Ａ Ｅ AII Function NO Power supply NO ALL Function NO DVD Audio NO Aux/TV in NO Tuner NO Sound Working working Sound Sound Sound Ａ AII Function NO Working Power supply NO ALL Function No Working Sound +27V Voltage No...

  • Page 15: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally. Top Case Decode Front Power Amplifier...
  • Page 16 2-2. Take off the top case as shown in figure 2-2. OPEN Figure 2-2. 3. Dismantling of led+key board 3-1. Loosen 4 screws “B” as shown in figure 3-1. Figure 3-1...
  • Page 17 3-2. Release the lock “C” at the same time as shown figure 3-2. PUSH PUSH PUSH PUSH PUSH Figure 3-2 3-3. Loosen 5 screws “D” as shown in figure 3-3. 4. Dismantling of loader Figure 3- 3 4-1. Loosen 4 screws “E” as shown in figure 4-1. Figure 4-1 Figure 4 - - 1...
  • Page 18 5. Dismantling of de c ode board 5-1. Loosen 5 screws as shown in figure 5-1. Figure 5-1 6. Dismantling of power board 6-1. Loosen 4 screws “G” as shown in figure 6-1. Figure 6-1...
  • Page 19 7. Dismantling of amplifier board 7-1. Loosen 4 screw “H” as shown in figure 7-1 Figure 7-1. 8. Dismantling of tuner 9. Dismantling of L ed board 8-1. Loosen 1 screws “I” as shown in figure 8-1. 9-1. Loosen 2 screws “J” as shown in figure 9-1. Figure 9-1.

  • Page 20: Block Wiring Diagram

    BLOCK WIRING DIAGRAM AMP EASY FIT JACK Kwang sung KST-MT AUX1(TV)) Pb/Cb Port Select Pr/Cr P-MUTE CVBS TUNED LJ-L LJ-R 4558 Stereo MUTE POWER TSDA0 TSD1 STA518 STA518 TSD2 GND-LD ADC WM8782 DVD-LD or CS5340 ALRCK etc. ABCK Video Encoder CD-LD VR-DVD STA309A/B...

  • Page 21: Amplif Ier Board

    AMPLIF IER BOARD INTERNAL IC DIAGRAM - STA309A OUT1A/B LRCKI OUT2A/B BICKI SERIAL OVERSAMPING OUT3A/B SDI12 DATA OUT4A/B TABLE OF CONTENTS SDI34 SYSTEM OUT5A/B CONTROL SDI56 Internal IC Diagram ................6-1 OUT6A/B SKI78 OUT7A/B Sch ematic Diagram (part one) ............6-2 ............
  • Page 22 AMPLIFIER BOARD SCHEMATIC DIAGRAM 1/3...
  • Page 23 AMPLIFIER BOARD SCHEMATIC DIAGRAM 2/3...
  • Page 24 AMPLIFIER BOARD SCHEMATIC DIAGRAM 3/3...
  • Page 25 AMPLIFIER BOARD TOP VIEW...
  • Page 26 AMPLIFIER BOARD BOTTOM VIEW...
  • Page 27 & FTD DISPLAY PIN ASSIGNMENT TABLE OF CONTENTS FTD Display Pin Assignment ............. 7 -1 Sch ematic Diagram ................7 -2 Top & Bottom View ................7 -3...
  • Page 28 LED+KEY BOARD SCHEMATIC DIAGRAM J512 U300 VFDA R534 R527 200780-1A0 R535 R526 R536 10K/ NC 10K/ NC 4 HEADER CB520 CB525 CB526 CB527 ESD/NC 0.1uF CB506 CB533 CB532 3 HEADER CB507 150pF 150pF R518 4.7K R516 Reset STB ON/OFF R519 4/2.0 HEADER -24V IMP810...

  • Page 29: Led + Key Board

    LED+KEY BOARD TOP/BOTTOM VIEW LED BOARD TOP VIEW KEY BOARD TOP VIEW KEY BOARD BOTTOM VIEW...

  • Page 30: Decode Board

    DECODE BOARD INTERNAL IC DIAGRAM - MT1389HD Debug 108MHz CVBS,Y/C CVBS,Y/C Module Port Component Component RF Amplifier TV Encoder Video Video Motor Servo IO Video DAC Servo TABLE OF CONTENTS Drive Spindle Processor Control Video ..............8 -1 Internal IC Diagram digital video Sch ematic Diagram (part one) ............8 -2...
  • Page 31 DECODE BOARD SCHEMATIC DIAGRAM 1/6 RGB_SWITCH: 0--->RGB, 1--->CVBS/YUV YUV[3..6] YUV[3..6] L1541.8uH RGB/YUV Switch YUV4 MUTE_DAC D107 MUTE_DAC R,G,B R298 C191 C192 DIODE SMD BAV99 75,1% Y,U,V AVCC 120P 5V_VIDEO L155 5V_VIDEO RGB_SWITCH CB167 RGB_SWITCH 5V_VIDEO CE125 SCART_L L1561.8uH U113 22uF/10v 0.1uF SCART_L SCART_R...
  • Page 32 DECODE BOARD SCHEMATIC DIAGRAM 2/6 TUNER_ON TUNER_ON TUNED TUNED STERED STERED I2C_CLK I2C_CLK I2C_DAT I2C_DAT TUNE_L TUNE_L [5] TUNE_R TUNE_R [5] DV33 DV33 [1,2,3,5,7] +12V +12V [1,5,7] -12V -12V [1,5] TUNER_VCC Q114 EC129 CB166 8550 EC130 100U/16v DV33 47U/16v 0.1u R280 R281 R282 4.7K...
  • Page 33 DECODE BOARD SCHEMATIC DIAGRAM 3/6 EC111 EC112 U107 U108 CON1 MIC_INL R173 AD_INL MIC_INR R174 AD_INR MIC_DET MIC_DET [2] AUIN1_L AUIN1_R MIC_SW MIC_SW IPOD_L_A C158 4U7/0805 IPOD_R_A C159 4U7/0805 R175 LINE_MUTE1 TUNE_L TUNE_R SCART_L R176 LINE_MUTE1 LINE_MUTE1 [2] AUIN2_L R177 100K 470p AUIN2_R...
  • Page 34 DECODE BOARD SCHEMATIC DIAGRAM 4/6 89_MA[0..11] 89_DQ[0..15] 89_MA[0..11] 89_DQ[0..15] 89_BA[0..1] 89_BA[0..1] 89_DQM[0..1] DRAM 89_DQM[0..1] 89_DCLK 89_DCLK 89_DCKE 89_DCKE 89_CAS# 89_AD[0..7] 89_CAS# 89_AD[0..7] 89_RAS# 89_RAS# 89_WE# DV33 89_SD33 FLASH 89_WE# 89_CS# 89_CS# L127 DRAM [2,5] [2,5] 89_PCE# CE123 CB147 CB148 CB149 CB150 CB151 CB152...
  • Page 35 DECODE BOARD SCHEMATIC DIAGRAM 5/6 L116 JITFO C110 1000pF JITFN DV33 XTALI RFV33 RFV33 RFVDD3 L118 2.7uH/NC R116 750k ADACVDD L117 150uH C113 C111 2200pF C112 C114 C115 C116 APLLVDD3 L119 47uH 0.1uF/NC CE111 DACVDD3 L120 100uF/6.3v C118 1000pF/NC R117 100k R118 680k...
  • Page 36 DECODE BOARD SCHEMATIC DIAGRAM 6/6 NAME TYPE DEVICE VCC/+5V Digital 5V SUPPLY DV33 Digital 3.3V MT1389HD RFV33 Servo 3.3V MT1389HD AV33 Laser Diode 3.3V Digital 1.8V MT1389HD SD33 Digital 3.3V SDRAM +12V Audio +12V OP AMP. -12V Audio -12V OP AMP. DV33 DV33 URST#...
  • Page 37 DECODE BOARD TOP VIEW...
  • Page 38 DECODE BOARD BOTTOM VIEW...

  • Page 39: Power Board

    POWER BOARD INTERNAL IC DIAGRAM - F S C1 56 5RT TABLE OF CONTENTS Internal IC Diagram ................9 -1 Sch ematic Diagram ................9 -2 Top View..................... 9 -3 Bottom View..................9 -4...
  • Page 40 POWER BOARD SCHEMATIC DIAGRAM TG901 R903 350V 220R/2W 680K/0.25W C906 R909 R941 L902 D906 C915 1000P/400V F901 R901 680K/0.25W 10K/0.25W ET24 15MH UF4007 47U/50V L901 F3.15AL250V ET24 15MH BD901 D4SB460 ZD902 C903 5.1V NC/1000P/400V D907 RV901 -24V NTC901 C916 C907 UF4007 10K471 C904...
  • Page 41 POWER BOARD TOP VIEW...
  • Page 42 POWER BOARD BOTTOM VIEW...
  • Page 43 MECHANICAL EXPLODE VIEW...
  • Page 44 MECHANICAL PART LIST(FOR HTS3181/55) LOC. Alt. 12NC Safety Description 12NC Safety Description 996510022355 FR.PANEL-ABS/80301/FOILED HL-3 SPEAKER ASSY 996510028174 VOLUME BUTTON-ABS/BLACK 80007 SPKSW 996510028137 SUB-WF SPEAKER BOX 996510028172 FRONT LENS-PMMA/BLACK80248 996510028166 CD DOOR-ABS/BLACK KEY BOARD 996510021707 RUBBER FOOT 996510021738 90 DEGREE PIN 04+90 DEGREE PIN...
  • Page 45 SMD FERRITE BEAD (1.6 X 0.8mm) U106 996510022169 I.C. AT24C16N-10SA-2.7C ATMEL L137 996510022193 SMD FERRITE BEAD (1.6 X 0.8mm) U107 996510022265 SMD I. C HEF4051B PHILIPS SO-1 L138 996510022193 SMD FERRITE BEAD (1.6 X 0.8mm) U108 996510022265 SMD I. C HEF4051B PHILIPS SO-1 L139 996510022193 SMD FERRITE BEAD (1.6 X 0.8mm)
  • Page 46 LOC. Alt. 12NC Safety Description 12NC Safety Description DECODE BOA AMPLIFIER BOA ZD107 996510028186 SMD ESD PROTECTION 0603ESDA-05 Q805 996510022243 SMD TRANSISTOR 2SC945LT1 NPN S ZD108 996510028186 SMD ESD PROTECTION 0603ESDA-05 Q806 996510022254 TRANSISTOR 2SD882 PNP SILICON ZD109 996510028186 SMD ESD PROTECTION 0603ESDA-05 Q807 996510022235 SMD TRANSISTOR KTC3875LT1 NPN...

  • Page 47: Led Board

    LOC. Alt. 12NC Safety Description POWER BOARD L903 996500040253 PEAKING COIL 100uH /-10% L904 996510022165 CHOKE COIL 10UH+/-10%7.5MMX9.5 L905 996510022163 CHOKE COIL5UH+/-15% 9MMX21MM P L906 996510022186 CHOKE COIL 10UH+/-10%7.5MMX9.5 996510016185 NTC THERMISTOR RESISTOR 5D2-10 NTC901 996510028191 MP P.C.BOARD140.00X162.00mm R Q901 996510028157 TRANSISTOR 2N5551 PNP TO-92 PA Q902...
  • Page 48 TSVT.H = 5mm KPT-1105A 4 PINS 996510021697 FILM FLAT CABLE 24 PIN PITCH=0 996510022201 TSVT.H = 5mm KPT-1105A 4 PINS 996510028242 CARTON BOX FOR PHILIPS CKD(B)4 996510022201 TSVT.H = 5mm KPT-1105A 4 PINS 996510028234 CARTON BOX FOR PHILIPS CKD(A)5 U300...
  • Page 49 SMD FERRITE BEAD (1.6 X 0.8mm) U106 996510022169 I.C. AT24C16N-10SA-2.7C ATMEL L132 996510022178 SMD CHIP COIL 10UH +/-10% (1.6 U107 996510022265 SMD I. C HEF4051B PHILIPS SO-1 L134 996510022193 SMD FERRITE BEAD (1.6 X 0.8mm) U108 996510022265 SMD I. C HEF4051B PHILIPS SO-1 L137 996510022193 SMD FERRITE BEAD (1.6 X 0.8mm)
  • Page 50 LOC. Alt. 12N Safety Description LOC. Alt. 12N Safety Description AMPLIFIER BOA AMPLIFIER BOA BD801 996510022216 SMD FERRITE BEAD (2 X 1.25mm) Q810 996510022235 SMD TRANSISTOR KTC3875LT1 NPN BD801A 996510022216 SMD FERRITE BEAD (2 X 1.25mm) Q811 996510022235 SMD TRANSISTOR KTC3875LT1 NPN BD801B 996510022216 SMD FERRITE BEAD (2 X 1.25mm)
  • Page 51 Description LOC. Alt. 12Nc Safety POWER BOARD L906 996510022186 CHOKE COIL 10UH+/-10%7.5MMX9.5 NTC901 996510016185 NTC THERMISTOR RESISTOR 5D2-10 996510028191 MP P.C.BOARD140.00X162.00mm R Q901 996510028157 TRANSISTOR 2N5551 PNP TO-92 PA Q902 996510028173 TRANSISTOR 2N5401 PNP TO-92 PA Q903 996510028157 TRANSISTOR 2N5551 PNP TO-92 PA Q904 996510028157 TRANSISTOR 2N5551 PNP TO-92 PA...

  • Page 52: Revision List

    REVISION LIST Version 1.0 *Initial release ﹟ =Altemative Codes =Safety Symbol...

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