Philips PET744 Service Manual Download Page 22 | Manualshive

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CIRCUIT DIAGRAM-POWER

7.0 ELECTRICAL DIAGRAM

KEY5

KEY2

KEY4

KEY5

KEY1

KEY3

KEY3

KEY1

KEY2

KEY4

KS5

VOL+

KS12
NEXT

TPK1

8 POINT

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3

5

4

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8

KS7

Right

KS13
SOURCE

TP1

RFO

KS6

DISC MENU

TP2

RFO

KS8

STOP

KS10

Left

TP3

RFO

KS1

UP

KS3

VOL-

KS11

SETUP

KS9

OK/PLAY

TP4

RFO

TP5

RFO

KS2

PREV

TP6

GND

KS14

POWER ON/OFF

KS4

Down

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Summary of Contents for PET744

Page 1: ...echanical 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 pri...

Page 2: ...ption DC Supply DC6 3V 15 5V Standby Power off 0 45W Battery Charge Voltage 8 5V Capacity 3500mA Battery playtime Charging time 8h Standby Power off Headphone out headphone output load 2x16 ohm Maximum output power 1 5mW Frequency response 1dB SNR A wght 70dB THD w 16 ohm loading 1 0 Left Right Channel Separation 55dB Left Right Channel Balance 2 0dB Supported disc type Video Playback Formats Audi...

Page 3: ...de setting Procedure for SW upgrade 1 Download the PHILIPS AP file from the Philips support site 2 Unzip the file Drag n drop to SD card drive 3 Power on PET744 with AC DC adapter 4 Insert the SD card drive to SD card port of the main set 5 The set will detect the upgraded SW 6 Press OK to confirm and proceed 7 The set will reset once finished upgrade Warning Do not unplug the AC adapter during fi...

Page 4: ... caso di non osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spé...

Page 5: ...xists the fault must be located and corrected Repeat the above test with the DVD VIDEO PLAYER power plug reversed NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION READING SHOULD NOT EXCEED 0 3V DVD VIDEO PLAYER AC OUTLET AC VOLTMETER Test all exposed metal Voltmeter Hook up for Leakage Current Check 0 15uF 150V AC 1500 10W 5000 per volt or more sensitivity...

Page 6: ... operates properly after replacement if it was subject to electrostatic discharge during replacement its life might be shortened When replacing use a conductive mat soldering iron with ground wire etc to protect the laser diode form damage by static electricity And also the LSI and IC are same as above Soldering iron with ground wire or ceramic type Ground conductive wrist strap for body Conductiv...

Page 7: ...3 0 INSTRUCTION FOR USE ...

Page 8: ... screws 7pcs Generally open the front cabinet Remove six screws and disassemble the connecter on the Main board screws 6pcs connecter 5pcs 4 0 MECHANICAL INSTRUCTION Remove nine screws on the Key board and DVD LOADER Remove three screws on the Battery and Battery board Remove the speaker grill and 4pcs screws ...

Page 9: ...Remove the 2pcs screws on the TFT and IR board ...

Page 10: ...PEnote and connection is OK Replace DVD Drive Check DVD Drive work Replace Main Board Exchange AV cable NOTE AV Cable TYPE from outside to Inside L Audio R Audio Video Ground no yes no yes SYMPTOM NO SOUND COMES FROM SPEAKER Start Check the Connection OK Reinsertion Check speaker OK Replace Main Board Change the speaker no yes no yes ...

Page 11: ...ESHOOTING SYMPTOM THE DVD DRIVE DOES NOT WORK SYMPTOM THE DVD DRIVE DOESN T WORK Start Replace DVD Loader Check the DVD Loader OK Replace main board NO Yes Yes Cable Reinsertion NO Check DVD Loader connection OK ...

Page 12: ...TOM ADAPTOR CANNOT POWER ON Start Check Adaptor OK Adaptor can not Power ON Change adaptor SET OK Return set to Customer NO Check the Power ON button and cable OK Replace Main Board Replace Button or Cable Yes NO Yes No YES OK ...

Page 13: ...NG SYMPTOM KEY BOTTON FAILURE SYMPTOM Key Botton Fail Start Check KEY board OK Replace main board NO Yes Yes Cable Reinsertion NO Check CABLE form board to board connection OK Return to custormer OK Replace KEY board OK ...

Page 14: ...AGRAM IR KEY SPEAKER CT909P Y 1 8V AVOUT 3 3V 5 V FLASH 8M AU 7 DIGITAL PANEL SDRAM 16 16 CVBS BATTERY R G B MOTOR DRIVER TOPRAY3000 6019 EARPHONE TFT BOARD 9 V 4558 DC DC CT901 AUDIO OUT 9V DC IN LDO SD CARD 5654 DC MOTOR DRIVER 6849 AC VIDEO OUT 3 3 V ...

Page 15: ... FB2 2K R208 100K R211 56 R136 10K R216 100K R132 75R R138 100K AV1 AV OUT JACK 6 7 1 2 3 4 5 6 7 R220 10K R130 22K C131 0 1uF R54 1k 1 2 C128 1000PF C213 10PF D13 10V 1 2 R213 56 C208 10uF 16V U12B NJM4558 SOP 8 5 6 7 8 4 EC41 10uF 16V 1 2 C121 180PF R144 0R R124 47K L34 FB2K2 R150 100K R134 47K R218 NC EC11 100uF 10V 1 2 C206 1uF R141 10K EC37 10uF 16V 2 1 D11 3904 2 1 3 R145 NC R217 10K R219 10...

Page 16: ...GND 3 3V EC33 100u 10V 1 2 C109 NC R116 0 L30 FB 600R EC32 10uF 16V 1 2 R112 NC 0 C117 0 1uF R107 10K R108 10K EC31 47u 16V 1 2 L31 FB 600R R118 0 R110 0 C120 0 1uF C111 0 1uF R115 1K R122 0 R121 0 EC30 10uF 10V 1 2 R41 FB600R L29 FB 600R C114 0 1uF R120 0 C119 20PF U11 MX25L8005MC 15G 1 2 3 4 8 7 6 5 CS DO WP VSS VCC HOLD CLK DIO CB5 0 1uF C108 0 1uF C116 0 1uF R106 10K R29 FB600R R111 0 R109 0 R...

Page 17: ...0V C80 1000P C72 680P C107 0 1uF Q15 8550 3 2 1 FB3 FB100 0805 R84 10K FB2 FB100 0805 TC2 100u 10V 1 2 C91 1000P C103 4700P R100 1 C89 1500P C68 0 1uF C102 0 1uF C81 2200P C65 0 1uF L25 100UH R82 10K R103 1 C74 680P C70 0 1uF TC3 47u10V 1 2 Q17 SSN00206M 2 1 3 R89 1 L23 FB 600R FB1 FB 600R R93 10K R102 1 C82 0 1uF R78 0R C98 220P C76 680P C90 330P R79 12K 1 R88 1 C66 0 1uF C73 0 1uF D10 2 1V 1 2 E...

Page 18: ...CE GND VFB EXT VIN R24 10 0603 R5 4 7K L6 22uH CD43 JK9 PIN HEADER 1X4 1 2 3 4 C9 0 1uF 0603 C15 0 1uF 0603 R51 68K Q23 3904 C12 0 1uF 0603 D5 4001 1 2 C5 0 1uF 0603 R28 22K R16 20K R21 10K R49 560 R27 18K L3 22uH CD43 EC5 100UF 25V L4 47uH CD54 T1 CON 1 3 2 4 R4 4 7K R56 1K EC7 100uF 25V 1 2 D1 15V 1 2 R2 10K D6 15V 1 2 R154 10K Q8 SI2307 2 1 3 Q4 3904 R3 1K D3 SK34 1 2 R171 10K Q7 3904 C11 1uF 0...

Page 19: ...25 126 127 156 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 164 146 147 148 149 150 151 152 153 154 155 157 158 159 160 161 162 163 165 166 167 168 169 170 171 172 173 174 175 177 176 178 179 180 181 182 183 184 185 186 187 188 189 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 1 30 31 GPC 6 SDCLK DSU1_TX VDD18 GPC...

Page 20: ... 2 Q4 3018 1 2 3 C33 0 1uF C32 0 01uF L3 100uH COIL D4 BAT54C 1 2 3 R14 0R R16 0R R48 0R R23 90K R40 13K C25 10U 25V 1206 Q2 3904 1 2 3 DN2 SS214U 1 2 3 C23 0 1uF 1 2 LD23 FB 600R C34 0 1uF C24 1uF 0805 1 2 D1 7 5V 1 2 R5 0R C20 10U 10V 0805 Q5 3904 2 1 3 R44 10K LED 1 C29 10U 10V 0805 DN4 SS214U 1 2 3 C22 1uF 0805 1 2 C21 0 1uF 1 2 R41 1K C30 0 1uF C18 0 1uF 1 2 C26 0 1uF 1 2 LED 1 U2 SS6610 1 5 ...

Page 21: ... GNDD GNDD GNDD GNDD GNDD GNDD GNDD GNDD VPNLD GNDD GNDD AVDD LD7 R10 NC R14 NC R31 NC LD9 R16 NC R30 880R 1 R32 420R 1 R6 600R 1 LD5 LD14 R26 NC J4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 AGND2 AVDD2 VDD R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B...

Page 22: ...GRAM KEY5 KEY2 KEY4 KEY5 KEY1 KEY3 KEY3 KEY1 KEY2 KEY4 KS5 VOL KS12 NEXT TPK1 8 POINT 1 2 3 5 4 6 7 8 KS7 Right KS13 SOURCE TP1 RFO KS6 DISC MENU TP2 RFO KS8 STOP KS10 Left TP3 RFO KS1 UP KS3 VOL KS11 SETUP KS9 OK PLAY TP4 RFO TP5 RFO KS2 PREV TP6 GND KS14 POWER ON OFF KS4 Down ...

Page 23: ...MAIN TOP PCB COMPONENT LAYOUT ...

Page 24: ...MAIN BOTTOM PCB COMPONENT LAYOUT ...

Page 25: ...DRIVER TOP PCB COMPONENT LAOYUT ...

Page 26: ...DRIVER BOTTOM PCB COMPONENT LAYOUT ...

Page 27: ...BATTERY TOP PCB COMPONENT LAYOUT ...

Page 28: ...BATTERY BOTTOM PCB COMPONENT LAYOUT ...

Page 29: ...KEY TOP PCB COMPONENT LAYOUT ...

Page 30: ...KEY BOTTOM PCB COMPONENT LAYOUT ...

Page 31: ...8 996510022306 MAIN PCBA ASSY PET744 110 PET744 05 PET744 12 PET744 58 PET744 98 996510022353 TFT PCBA ASSY PET744 120 PET744 05 PET744 12 PET744 58 PET744 98 996510022289 BATTERY BATT PCBA PET744 130 PET744 05 PET744 12 PET744 58 996510022352 7 PANEL ASSY FOR PET744 200 PET744 98 996510022987 7 PANEL ASSY FOR PET744 200 PET744 05 PET744 12 PET744 58 PET744 98 996510022315 DVD LOADER MG9703TIH TOP...

Page 32: ...ITOR BACK CABINET PET744 310 PET744 05 PET744 12 PET744 58 PET744 98 996510022311 DVD TOP CABINET PET744 320 PET744 05 PET744 12 PET744 58 PET744 98 996510022314 DVD BOTTOM CABINET PET744 330 PET744 05 PET744 12 PET744 58 PET744 98 996510022303 DVD DOOR CABINET PET744 340 PET744 05 PET744 12 PET744 58 PET744 98 996510022297 KEY COVER CABINET 1 350 ...

Page 33: ...CABINET PC PET744 381 PET744 05 PET744 12 PET744 58 PET744 98 996510022317 OPEN BUTTON CABINET PET744 382 PET744 05 PET744 12 PET744 58 PET744 98 996510022304 CD LATCH CABINET POM PET744 383 PET744 05 PET744 12 PET744 58 PET744 98 996510022293 KEY DERECTION CABINET PET744 384 PET744 05 PET744 12 PET744 58 PET744 98 996510022299 KEY OK CABINET PET744 385 PET744 05 PET744 12 PET744 58 PET744 98 9965...

Page 34: ...T744 12 PET744 58 PET744 98 996510022954 METAL STAND PET744 391 PET744 05 PET744 12 PET744 58 PET744 98 996510022301 BLOCK PET744 392 PET744 05 PET744 12 PET744 58 PET744 98 996510022392 DISPLAY FRAME SPK PET744 393 PET744 05 PET744 12 PET744 58 PET744 98 996510030919 SPEAKER GRILL PET744 BLACK 400 PET744 05 PET744 12 PET744 58 PET744 98 996510022291 PRESS METAL PLATE SPRING STEEL 410 PET744 05 PE...

Page 35: ...22 ADAPTER 9V 1 5A UK ADAPT PET744 12 PET744 58 PET744 98 996510022959 ADAPTER 9V 1 5A EU ADAPT PET744 05 PET744 12 PET744 58 PET744 98 996510004975 AV CABLE AVCABLE PET744 05 PET744 12 PET744 58 PET744 98 996510021031 CAR ADAPTER CARADP PET744 05 PET744 12 PET744 58 PET744 98 996510022292 REMOTE CONTROL 29KEY RC ...

Page 36: ...9 0 REVISION LIST Version 1 0 Initial release PET744 05 12 58 98 Version 1 1 Delete the region 0 setting Add speaker grill in mechanical spare part list Update the other spare part 12nc ...

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