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Philips PET946 Service Manual
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Philips PET946 Service Manual

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TABLE OF CONTENTS

Technical Specification & Service Tips......................... 1
Safety Instructions..................................................... 2
Instruction for Use...................................................... 3
Mechanical Instructions.............................................. 4
Troubleshooting .........................................................5
Overall Block Diagram................................................. 6
Electrical Diagram...................................................... 7
Service Part List.......................................................... 8
Revision List............................................................. 9
©Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may by reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronics,
mechanical, photocopying, or otherwise without the prior permission of Philips
Published by BU AVM - BL
Version 1.2
Printed in the Netherlands
PET946/12
Chapter
Subject to modification
3141 785 33762

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Summary of Contents for Philips PET946

  • Page 1: Table Of Contents

    All rights reserved. No part of this publication may by reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips 3141 785 33762 Published by BU AVM – BL...
  • Page 2 1.0 TECHNICAL SPECIFICATION Playback disc type: DVD,+/- RW/DVD General +/-R/CD/CD-R/CD-RW Video Playback Format: DVD / SVCD/JPEG MPEG4/DIVX3,4,5 Dimensions (W x H x D): 240 x 178.5x 34.8 mm Bear Unit Weight: 1.2kg Audio Playback Format: CD/MP3 Power supply: Disc Diameter 8/12cm Supply voltage AC 100~240V (adapter)
  • Page 3 2. Unzip the file, Drag-n-drop to SD drive or CD- ROM into the data. 3. Power on PET946 with AC/DC adapter 4. Insert the SD drive to SD port of the main set, or open the DVD door to put CD-ROM inside 5.
  • Page 4 2.0 SAFTETY INSTRUCTIONS WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically.
  • Page 5 2.1 ESD PROTECTION When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electrocity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.
  • Page 6 SAFTY NOTICE SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Plug the AC line cord directly into a 120V AC outlet (do Measure the AC voltage across the 1500 resistor. not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 per volt or more sensitivity.

  • Page 7: Mechanical Instructions

    4.0 MECHANICAL INSTRUCTION Disassembly Procedure on PET946 Remove eleven screws on back cabinet to separate top cabinet and screws 11pcs back cabinet. Generally open the front cabinet. Remove four screws and disassemble screws 4pcs.connecter 8pcs. the connecter on the Main board.
  • Page 8 Remove the 2pcs screws and cabinet on the TFT and IR board.

  • Page 9: Troubleshooting

    5.0 TROUBLESHOOTING SYMPTOM: NO IMAGE / NO SOUND SYMPTOM: NO IMAGE OUTPUT ( THE PANEL SHOW BLUE PICTURE) Start Check DVD Drive work? Replace DVD Drive Check the external AV NOTE: AV Cable TYPE from outside to note Cable TYPE Exchange AV cable Inside L-Audio, R-Audio, Video, Ground connection is OK?
  • Page 10 5.0 TROUBLESHOOTING SYMPTOM: THE DVD DRIVE DOES NOT WORK SYMPTOM: THE DVD DRIVE DOESN＇T WORK Start Check DVD-Loader Cable Reinsertion connection OK? Check the DVD-Loader Replace DVD- Loader Replace main board...
  • Page 11 5.0 TROUBLESHOOTING SYMPTOM: ADAPTOR CANNOT POWER ON Adaptor can not Power ON Start Check Adaptor OK? Change adaptor SET OK? Check the Power-ON Return set to Replace Main Board button and cable OK? Customer Replace Button or Cable...
  • Page 12 5.0 TROUBLESHOOTING SYMPTOM: KEY & BOTTON FAILURE SYMPTOM: Key & Botton Fail Start Check CABLE form board to Cable Reinsertion board connection OK? Check KEY board OK? Replace KEY board Replace main board Return to custormer...
  • Page 13 6.0 PET946 BLOCK DIAGRAM CHARGER BATTERY 9"CPT BACKLIGH PANEL DRIVER DC IN DC TO DC 3.3V R.G.B. LDO 1.8V FLASH FLASH SD-RAM SPHE8202TQ MST720C I2C&IR SD CARD AUDIO D5954 4558 D6849 6600 SPK. TOPARY 3000 TUNER...
  • Page 14 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-POWER 9V_A VCC_5VP 4.7K 2.2K POWER_SW2 POWER_SW1 R306 DEC_SW DVCC3 VCC_1.8V 9V_A UTC1117-1.8V 1N4148 3904 Q6 SI2307 FB600R 22uH 4.7K POWER_ON/OFF FB600R FB600 EC60 EC61 10uF/16V C304 1000P 100uF/25V 470P 0.1uF 220uF/10V 220uF/6.3V 1N4148 100uF/10V 0.1uF 100uF/10V 470K ON/OFF_720...
  • Page 15 A+5V Y_8202 Y_8202 RF3.3V RF3.3V C_8202 C_8202 R295 CVBS1 7.0 ELECTRICAL DIAGRAM CVBS1 /LDSW CIRCUIT DIAGRAM-MPEG AOUT_FR AOUT_FR 100K 3(C) 1(E) CLK_OUT CLK_IN AOUT_FL AOUT_FL 0.1uF 22uF/16V 22uF/16V 0.1uF 2SK3018 2(B) C281 27MHz C282 3904 CD_VR R_SUNIF_D3 R_SUNIF_D3 CDLDO DVDLDO DVD_VR R_SUNIF_D2 R_SUNIF_D2...

  • Page 16: Electrical Diagram

    7.0 ELECTRICAL DIAGRAM M_A0 M_D0 M_A1 M_D1 CIRCUIT DIAGRAM-MEMORY M_A2 M_D2 M_A3 M_D3 M_A4 M_D4 M_A5 M_D5 M_A6 M_D6 M_A7 M_D7 M_A8 M_D8 M_A9 M_D9 M_A10 M_D10 A10/AP M_A11 M_D11 M_DQM0 M_D12 LDQM M_DQM1 M_D13 UDQM M_WE M_D14 M_CAS M_D15 M_RAS NC/RFU SD_VCC3...
  • Page 17 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-AUDIO&VIDEO +5V_AMP 100pF A_OUT_L EC62 CVBS_TV FB600 47uF/10V A_OUT_R FB600 5.1K AOUT_FL EC20 10uF/10V A_OUT_L FB600 ML_OUT C289 VIDEO PORT (CVBS & COAX) 22uF/16V 1000pF 4558 1000pF +9V_A 100K 47pF 10pF 68pF 1800pF 1800pF 3904 CVBS_TV CVBS1 AUD_GND A_MUTE...
  • Page 18 7.0 ELECTRICAL DIAGRAM +3.3V +3.3V CIRCUIT DIAGRAM-SD CARD R113 4.7K CARD_RST R115 4.7K 2307 CARD+3V EC29 R110 R_MS_BS CARD+3V 100uF/10V 0.1uF R111 R_MS_CLK R112 R_MS_D0 R114 R_MS_D1 R116 R_MS_D2 R117 R_MS_D3 R118 SD_D3 SD_D3 SD_D2 SD_D2 R119 SD_INS1 SD_CLK R120 R_MS_CLK SD_D1 SD_D1...
  • Page 19 7.0 ELECTRICAL DIAGRAM TU_RST_CTRL TU_RST_CTRL TS_ERR TS_ERR CIRCUIT DIAGRAM-ENCODER TS_SYNC_I TS_SYNC_I TS_VAL_I TS_VAL_I TS_CLK_I TS_CLK_I FB600R TS_DI0 TS_DI0 SUNIF_CLK_A SUNIF_CLK TS_DI1 TS_DI1 TS_DI2 TS_DI2 TS_DI3 TS_DI3 TS_DI4 TS_DI4 C294 TS_DI5 TS_DI5 18pF TS_DI6 TS_DI6 TS_DI7 TS_DI7 RPA2 6600_SCL 6600_SCL 6600_RESET_B 6600_RESET_A 6600_SDA 6600_SDA...
  • Page 20 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-SERVER VCC_5V A+5V R143 FB600 EC38 C116 R144 100uF/10V 0.1uF R145 MGND R146 DMEA VINFC STBY C117 330P R147 CFCERR1 BIAS VREF2 CFCERR2 VINTK R148 C118 VINSL+ CTKERR1 FB600R R149 330P VINSL- CTKERR2 C119 A+5V VOSL VINLD VNFFC PREGND...
  • Page 21 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-TFT CONTROL Keep away of Analog Area VCOMOUT VCOMDC CLK1 CLK1 C176 20pF VBOUT R223 STH1 STH1 VCC_5VP AVDD_PWM AVDD_DPWM AVDD_GMC AVDD_DAC VGOUT R224 STH2 STH2 VDDP VROUT R225 R226 VCC_DAC VCOM VCOM R227 12MHz 1M/0402 C178 C179 C180...
  • Page 22 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-TUNER TUNER TUNER1 TUN_GND TTHN-023FA 3V3D 1V8D 1V8D ANT PWR ANT_3V3 B1(3.3V) TVPOWER_CON TVPOWER_CON B3(NC) VCC_5V VCC_5V IF_AGC DVCC3 RFAGC DVCC3 SCL_R SDA_R RESET_N TS_SYNC TU_RST_CTRL TU_RST_CTRL RESET_N TS_SYNC TS_FAIL TS_ERR TS_ERR GPIO2 TS_FAIL TS_SYNC_I 1V8D DVDD18 DGND TS_SYNC_I...
  • Page 23 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-INTERFACE R_720 G_720 B_720 CLK1 CLK1 STH1 STH1 STH2 STH2 CLK_720 STH2A VCOM VCOM STH1A STV1 STV1 STV2 STV2 CON10 LED_BRIGHTNESS LED_BRIGHTNESS OEH1 VCOM1 POWER_ON/OFF POWER_ON/OFF OEV1 CPV1 STV2A STV1A R_720 OEH1 FB600R T100 FB600R VGH1 VGL1 220P 100P...
  • Page 24 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-BATTERY&POWER DISCHARGE SS34 9V_A 9V_IN VCC_9V L-851 2A_FUSE PQ1 SI2307 PQ15 SI2307 PQ2 SI2307 CHARGE 9V_IN PC23 SS34 PR55 100K 100K 100uF/25V 0.1uF SS34 100K DCJACK PR56 3.6K PR57 POWER_ON/OFF PR58 PR59 PR10 PQ16 3904 3904 3904 POWER_ON/OFF PR12...
  • Page 25 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-TFT FB600 LED+ LED+ 10UF/25V 0.1uF FL3 22uH/CD75 FB600 FB600 VCC_5V SS14 100uF10V 0.1uF 330P 100K VCC_5V BACKL_EN SS6610 FB600 LED- 2.2uF LED- LED_BRIGHTNESS FR10 FR11 CLK_720 3.3R 3.3R 3.3R 3.3R STH2 STH2A FB600 STH1A STH1 470P CON13A FB600...
  • Page 26 MAIN TOP PCB-COMPONENT LAYOUT...
  • Page 27 MAIN BOTTOM PCB-COMPONENT LAYOUT...
  • Page 28 POWER&BATTERY TOP PCB-COMPONENT LAYOUT...
  • Page 29 POWER&BATTERY BOTTOM PCB-COMPONENT LAYOUT...
  • Page 30 TFT TOP PCB-COMPONENT LAYOUT...
  • Page 31 TFT BOTTOM PCB-COMPONENT LAYOUT...
  • Page 32 MAIN TOP PCB-COMPONENT LAYOUT...
  • Page 33 MAIN TOP PCB-COMPONENT LAYOUT...

  • Page 34: Service Partlist

    KEY PCBA ASS'Y PET946 PET946/12 996510023006 MAIN PCBA ASS'Y PET946 PET946/12 996510023023 TFT PCBA ASS'Y PET946 PET946/12 996510023021 BAT PCBA & BAT ASS'Y PET946 PET946/12 996510023054 9" PANEL FINAL ASS'Y PET946/12 996510024067 DVD DECK MG9703TIH PET946/12 996510023017 HOUS #28 2P/1.25 L85MM...
  • Page 35 8.0 SERVICE PARTLIST PET946/12 996510023034 HOUS (13/14/4PIN) & HINGE...
  • Page 36 8.0 SERVICE PARTLIST Mechanical Part List: Service Service Description Photo Pos. 12NC MONITER BACK CABINET PET946/12 996510023015 PET944 DVD BOTTOM CABINET PET944 PET946/12 996510023022 BLACK PET946/12 996510023028 DVDDOOR PET944 BK PET946/12 996510023009 OPEN_KEY PET944 BK PET946/12 996510023014 POWER_KEY PET944 PLATING...
  • Page 37 8.0 SERVICE PARTLIST PET946/12 996510023026 LENS PET944 AUBERGINE SOURCE_SETUP_KEY PET944 PET946/12 996510023029 PET946/12 996510023038 DISC_MENU_KEY PET944 BK PET946/12 996510023036 VOLUME_KEY PET944 BK PET946/12 996510023011 PREV_NEXT_KEY PET944 BK PET946/12 996510023025 COSMETIC_KEY PET944 BK COSMETIC_COVER_2 PET944 PET946/12 996510023033...
  • Page 38 8.0 SERVICE PARTLIST PET946/12 996510023012 BRACKET PET944 BK CABLE_COVER PET944 PET946/12 996510023031 PET946/12 996510023027 CD_LATCH PET944 BK SPEAKER_GRILL PET944 PET946/12 996510030917 DVD TOP CABINET PET946/12 996510023039 PET946 BALCK DISPLAY FRAME & SPK PET946/12 996510023035 PET946...
  • Page 39 Photo Pos. 12NC PET946/12 996510000788 AV CORD L1.1M 3P AVCABLE PET946/12 996510021031 CAR CORD 1.5A UL1.8m CARAPT PET946/12 996510023019 R/C 35KEY PHILIPS PET946 PET946/12 996510022959 SW ADAPTOR 9V/1.5A EU ADAPT PET946/12 996510029563 TRAVEL BAG POUCH PET946/12 996510029413 ROD ANT DVB-T...

  • Page 40: Revision List

    9.0 REVISION LIST Version 1.0 • Initial release PET946/12 Version 1.1 • Modify SW upgrade procedure Version 1.2 • Delete the region 0 setting • Add speaker grill in mechanical spare part list...