Philips DCP750 Service Manual Download Page 15 | Manualshive

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5.0 TROUBLESHOOTING

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?

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Summary of Contents for DCP750

Page 1: ... Overall Block Diagram 6 Electrical Diagram 7 Exploded View Diagram 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 Phi...

Page 2: ...CD R CD RW WMA CD DVD R DVD RW DVD R DVD RW SD MMC Card Video Playback Format DVD VCD JPEG MPEG4 DIVX3 4 5 6 Audio Playback Format CD MP3 MP3 DVD WMA Disc Diameter 12cm Pixel specification Zero bright dot max 3 dark dots Factory Service Mode FSM To check the software version and change region code of your DVD Portable 1 Power ON the DVD player and open the DVD door 2 Press the SETUP button on remo...

Page 3: ...support site 2 Unzip the files and then copy into SD MMC Card for upgrade 3 Power on the Portable DVD Player with AC DC adaptor 4 Change the set from DVD mode to Card mode by press the Card button on remote control 5 Insert the SD MMC Card on the card slot 6 The set will automatically upgrade Warning Do not unplug the AC adaptor or remove SD MMC Card during firmware upgrade to prevent flash corrup...

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: ... 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 6: ...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 7: ...3 0 INSTRUCTION FOR USE ...

Page 8: ...ide screw is shorter than others make sure do not put long screw during re assembly otherwise it will damage the middle cabinet 2 Remove 2pcs of screw on top side of bottom cabinet 3 Remove 2pcs of screws on middle cabinet 4 Open the bottom cabinet carefully unplug the wire connector of key board from the main board left bottom side ...

Page 9: ...binet unplug disconnect the wires on top side first 7 And then remove all screws on main board connected with bottom cabinet 8 To remove battery board and battery from cabinet remove the screws on battery board connected with bottom cabinet first and then pull out the battery from taped foam carefully Make sure battery without damage ...

Page 10: ...ire connection between battery and battery board Otherwise you can re soldering them as shown in picture 10 To remove DVD loader unplug the wires connected with main board 11 And then remove the flex cable on the bottom side 12 The middle cabinet ass y overall ...

Page 11: ...me tapes attached on middle cabinet and wires 15 To remove front cabinet remove the screw on display frame first Carefully open the display frame with the catches by screwdriver There are six catches as shown in picture 16 To remove the TFT de soldering the wire connected between TFT and TFT board first Please note the wire location as shown in picture during re assembly ...

Page 12: ...17 Unplug the flex cable connected with TFT board at the backside also 18 To remove the TFT board ass y de soldering the wires between speaker and TFT board Black wire is connected to ve port and red wire is connected to ve port ...

Page 13: ...t Check Battery capacity BATTERY CAN T Power ON Check charging function OK SET OK No Defect return set to Customer Check adaptor power ON OK no Check the Power ON button and cable OK Replace Main Board Replace Button or Cable yes Yes NO No Yes Yes No ...

Page 14: ...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 15: ...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 16: ...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 17: ...T WORK SYMPTOM THE REMOTE CONTROL CAN NOT WORK Start Check TOP board OK Replace main board Yes Yes Cable Reinsertion NO Check CABLE form bottom board to top board connection OK Replace IR receiver Return to custormer OK OK Replace top board NO NO OK ...

Page 18: ...5 0 TROUBLESHOOTING SYMPTOM NO SOUND FROM HEADPHONE ...

Page 19: ...DISPLAY FAILURE SYMPTOM LED Display Fail Start Check TOP board OK Replace main board NO Yes Yes Cable Reinsertion NO Check CABLE form Main board to top board connection OK Replace LED Return to custormer OK Replace top board NO OK OK ...

Page 20: ...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 21: ...WER ON OFF SW POWER CONTROL DC9V bright VR WIDE DVD CVBS AUDIO SELECT DVD AUDIO AUDIO OUT AUDIO LINE OUT AUDIO SW AUX EPORT AUDIO iPod AUDIO to RCA jack ASA LOADER HOP1200W POWER DECTETION POWER CTL POWER CTL VIDEO CVBS OUT AV OUT AUDIO MUTE Ctl TFT DRIVER BOARD SPEAKER R L SPEAKER R L connector board iPod VIDEO OR Gogear LI ON Battery battery charge board 2000MAH 7 2400MAH 7 TFT Video signal Y C ...

Page 22: ... 12V IN U1 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 GND A V GND Line out R Line out L Line in R Line in L N C VIDEO OUT S VEDIO C S VEDIO Y Serial GND D Serial TXD Serial RXD N C GND USB GND N C 3V3 POWER OUT 12V POWER IN 12V POWER IN UART ENABLE DATA TPA 5V USB POWER DATA TPA USB DATA L DATA TPB USB DATA L DATA TPB INPUT GND INPUT GND TP1 SDA TP2 SCL R10 51...

Page 23: ...T 1 2 R147 430E R156 680E S8 REPEAT 1 2 S12 PLAY PAUSE 1 2 R159 1K R149 270E S4 DBB1 1 2 R160 1K S9 NEXT 1 2 S2 STOP 1 2 R151 330E R148 270E R146 430E S6 TIMER 1 2 S3 PERVIOUS 1 2 R150 330E R155 470E S1 ALARM 1 1 2 S5 VOL 1 2 R153 470E S7 POWER ON OFF 1 2 S11 VOL 1 2 7 2 KEY BOARD ...

Page 24: ...100K CA3 0 1uF CA8 0 22uF LA4 100uH RA1 100 CA12 0 22uF CA11 0 22uF 7 5V VGH R274 5K6 R273 12K LA3 FB 2 2K CA15 22P 1 2 3 4 6 5 ICA1 9266 CA16 1nF CA14 1u VGL DA1 DA204 DA6 DA204 DA4 DA204 C210 680P VCC R217 47 CA17 100uF LT3 100uH Y C WIDE PH TINT CON WIDE 1 3 2 Q3 SI2306 CA21 0 1uF L2 FB BRI CSY FRPV C35 0 01uF BRI BLK VR VG VB Y C HSY COM DM1 FRPT C19 10u 16v R66 75 R69 12k R67 2K C41 10u 16v V...

Page 25: ... ZT2 9 1V VGL 5V VCC1 VR VG VB CSY DM1 BLK HSY FRP FRDV VDD1 VGH VGL VCOM VR VG VB CSY DM1 BLK HSY FRPT FRDV VDD1 VGH VGL VCOM GND CT118 0 1uF CT18 680P CT8 680P CT17 680P RT21 100 CT116 1nF CT119 0 1uF CT55 0 1uF CT9 0 1uF CT15 0 1uF CT16 1uF TO PAGE 1 of 4 TO CPT PANEL PHASE GND 1 VCC 2 VGL 3 VGH 4 STVR 5 STVL 6 CKV 7 U D 8 OEV 9 VCOM 10 VCOM 11 L R 12 MOD 13 OEH 14 STHL 15 STHR 16 CPH3 17 CPH2 ...

Page 26: ...R42 10K D2 5 6V C20 0 047uF C24 330P C25 1uF C26 0 22uF C29 0 1uF R47 68K R46 1K R50 68K C30 0 1uF C31 470P C32 1500PuF C33 0 022uF R51 47K R52 100K Q1 3906 C34 0 1uF R54 1M R53 39K C27 0 047uF C22 22P 3KV R43 820 R44 820 R48 10K L4 100uH C7 100uF 16V C23 0 022uF R49 10K VCC TFTEN 5V 8v D3 DA204 D4 DA204 C53 1nF C50 100p C51 100p C52 1nF C55 1nF C54 1nF C107 1000p C1 0 1u D5 9 1V D6 6 2V C87 0 1uF...

Page 27: ...20E R192 560E C99 100p R208 2K2 R200 220E C107 100P R164 NC R179 0E C120 100P R190 560E R176 220E C96 100P R163 2K2 R203 1K5 C105 100P C108 100P R181 0E R175 2K2 R169 2K2 R170 2K2 R174 2K2 C95 100P JJ2 MCUUPDATE 1 2 3 4 5 1 2 3 4 5 R182 0E C110 100P R191 0 R173 2K2 R180 0E R210 0E R165 2K2 C116 100P C5 0 1uF R40 2K2 C113 100P J9 3PINCON 1 2 3 C92 0 1uF C97 100P L29 1uH C112 100P R166 2K2 R195 470E...

Page 28: ...SPMCLK 2 IO_17 2 GPIO_4 2 ASDAT1 2 ASDAT0 2 ASDAT3 2 ASDAT2 2 VSYNC 2 GPIO_ 3 6 2 ASDAT 0 3 2 DV33 1 2 3 4 GND 1 2 3 4 6 DV33 DV33 MS_3V3 C88 20pF R150 10k NC R149 10k NC C89 20pF J8 TAI_TWUN_3IN1_CARD 20 18 17 16 14 13 11 9 8 6 5 19 15 4 10 7 12 3 2 22 21 1 23 SD DAT2 SD DAT3 MS VCC MS SCLK MS D3 MS RESERVED MS INS MS D2 MS RESERVED MS D0 MS_SDIO MS D1 MS VCC MS BS MS GND MS GND SD CMD SD GND SD ...

Page 29: ...2 13 EC16 10uF 16V D EC13 10uF 16V D D21 OPEN 1 2 CC2 0 1uF C58 10uF 16V_SMD R145 150 1 VER1 earphone 1 2 3 4 5 6 7 8 9 10 11 R142 9K1 R98 220R R133 10k 2822 1 2 3 4 5 6 7 8 EC2 10uF 16V_SMD R124 10k EC15 10uF 16V_SMD R88 75 C64 10u smt C63 0 1u R113 1k R138 10K C81 100P EC6 10uF 16V_SMD R126 4 7 EC17 10uF 16V D EC18 10uF 16V D L23 FB0603 2K2 R132 100k C94 0 1u R1011k R131 10K R109 1k R103 1k C71 ...

Page 30: ...0 1uF CB60 0 1uF CB46 0 1uF CE19 100uF 10v CB52 1000P U3 ESMT M12L64164A 7T TSOP54 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 DQML WE CAS RAS CS A11 A10 AP A0 A1 A2 A3 VCC VSS A4 A5 A6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ1...

Page 31: ...255 24 254 231 230 238 237 248 247 236 251 246 243 241 242 240 239 234 235 232 224 225 222 221 220 219 226 218 217 215 213 214 204 211 210 209 208 212 207 206 205 203 202 201 200 199 198 197 196 195 194 193 233 44 47 48 49 50 51 88 89 216 223 228 229 227 DVDA CRTPLP DVDB DVDC DVDD AGND OSP OSN DVDRFIP DVDRFIN MA MB MC MD SA SB SC SD CDFON CDFOP TNI TPI MDI1 MDI2 LDO2 LDO1 AVDD3 V2REFO SGND VREFO V...

Page 32: ...B59 0 022uF PC10 100pF R27 470 R22 10K EC21 100uF 10v D10 5 6V 1 2 R25 10k L3 FB PR1 24k C2 100uF CB3 0 1u PC6 470uF 10V 1 2 D11 3 3V R88 1k1 1 Q3 3904 J2 switchpower 1 2 3 4 5 6 D3 SK34 1 2 CE7 10uF 16v Q11 3904 PC5 0 1uF L33 22uH CB7 0 1uF R8 22K R16 10K R53 22K 1 Q14 3904 CE6 47uF 6 3v CB6 0 1uF D15 4001SMD 1 2 D5 15V 1 2 Q6 3904 PC2 10uF 25V 1 2 R10 4 7k CE2 47uF 6 3v D9 1N4148 D16 4001SMD 1 2...

Page 33: ...978 TFT DRIVER PCBA DCP850 WITH HINGE HINGE HOUSING SOLDERING IS REQUIRED TO CONNECT WIRE WITH SPEAKERS ON DISPLAY FRAME REFER TO SECTION 4 ABOVE 130 5 996510001593 BATTERY BATT PCBA DCP750 SOLDERING IS REQUIRED BETWEEN BATTERY AND BATTERY PCBA 140 996510018613 Stand alone battery In case 996510001593 is not available you can order either one of these battery for service and detail refer to S C AM...

Page 34: ... Y 200 8 996510001515 DVD LOADER 210 9 996510001519 FFC 24P LINK DVD LOADER 220 10 996510001974 FRONT CABINET DCP850 300 11 996510001975 BOTTOM CABINET DCP850 310 12 996510001977 DISPLAY FRAME WITH SPEAK 320 13 996510001976 MIDDLE CABINET ASS Y WITH OPEN BUTTON MEUN BUTTON DVD DOOR SPRINGS WIRES TAPES AND HIDDEN SCREW HOLD 330 ...

Page 35: ...8 0 SERVICE PART LIST Mechanical Part List No Service 12NC Service Description Photo Pos No 14 996510001518 POWER BUTTON 400 14 996510001596 NAVIGATION BUTTON 410 15 996510001597 SLIDER COVER 420 ...

Page 36: ...ice 12NC Service Description Photo Pos No 996510001509 AC ADAPTOR 12 17 996510004261 AC ADAPTOR 05 ACADAPTOR 18 996510000788 AV CORD AVCABLE 19 996510001510 CAR ADAPTER CARADAPTOR 20 996510000790 30GB IPOD HOLDER HOLDER 21 996510000789 REMOTE CONTROL RC ...

Page 37: ... 0 3141 785 31650 Initial release DCP850 12 Version 1 1 3141 785 31651 Update section 8 Add new AC ADAPTER 05 996510004261 for DCP850 05 Version 1 2 3141 785 31651 Update section 8 Add stand alone battery 996510018613 for DCP850 ...

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