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Philips DVP3256K Service Manual Download Page 13

4-2

The power can not be on or off 

Go

Yes 

Yes 

No

No

The power can’t be 

on or off

Yes 

Repair the power board

Check the power supply 

on the power board is 

normal.

Check/Correct

connection  

Whether the connection 

to K301 is broken. 

Correct the connection 

Replace U1.

No

No

Yes 

Yes 

Check if the XS301 on the 

front board to XP5 on the 

decoder board is in good 

contact. 

Whether there is 0V and 

3.3V voltage difference on 

Pin 106 PCON of U1. 

Trouble shooting chart 

Summary of Contents for DVP3256K

Page 1: ...ms and Print layouts 6 1 Set Mechanical Exploded view Part list 7 1 Revision List 8 1 Copyright 2008 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored in aretrieval system or transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior permission of Philips CLASS 1 LASER P...

Page 2: ...und AUDIO PERFORMANCE DA Converter 24 bit 192 kHz DVD fs 96 kHz 4 Hz 44 kHz fs 48 kHz 4 Hz 22 kHz SVCD fs 48 kHz 4 Hz 22 kHz fs 44 1kHz 4 Hz 20 kHz CD VCD fs 44 1kHz 4 Hz 20 kHz Signal Noise 1kHz 90 dB Dynamic range 1kHz 80 dB Crosstalk 1kHz 70 dB Distortion noise 1kHz 65 dB MPEG MP3 MPEG Audio L3 CONNECTIONS Y Pb Pr Output Cinch 3x Video Output Cinch yellow Audio Output Front L R Cinch white red ...

Page 3: ... wire between the two pins of the mains plug 2 Set the mains switch the on position keep the mains cord unplug 3 Measure the resistance value between the mains plug and the front panel controls and chassis bottom 4 Repair or correct unit when the resistance measurement is less than 1M 5 Verify this before you return the unit to the customer user ref UL standard no 1492 6 Switch the unit off and re...

Page 4: ...ch copper tracks and or components in this unshielded primary area when you service the player Service personnel must take precautions to prevent touching this area or components in this area A lighting stroke and a stripe marked printing on the printed wiring board indicate the primary side of the power supply Never replace modules or components while the unit is on 2 Laser The use of optical ins...

Page 5: ...ch off un used equipment or reduce heat x Mix of lead free solder alloy parts with leaded solder alloy parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types leaded and lead free If one cannot avoid clean carefully the solder joint from old solder alloy and re solder with new solder alloy SAC305 x Use only original spare parts listed in the Service Manuals Not listed s...

Page 6: ...Top Cover and then remove the Top Cover Figure 1 Figure 1 Step2 If it is necessary to dismantle Loader or Front Panel the Front door should be removed first Figure 2 Note Make sure to operate gently otherwise the guider would be damaged Figure 2 2 1 Please kindly note that dismantle the front door assembly carefully to avoid damage tray and the front door ...

Page 7: ...o operate gently otherwise the guider would be damaged Figure 3 Step4 Dismantling Front Panel disconnect the connectors XP5 XP6 XP7 then release the snaps on the both sides of Front Panel and bottom cabinet then gently pull the Panel out from the set Figure 4 5 Figure 4 2 2 XP5 Snap 1 Push the guider until the tray out Make sure to operate gently to avoid damage happening XP7 XP6 ...

Page 8: ...tructions Dismantling Instruction Figure 5 Step5 Dismantling Loader disconnect the 3 connectors XP2 XP3 XP4 aiming in the below figure and remove 1 screw that connects the loader and the bottom cabinet Figure 6 Figure 6 XP3 XP4 XP2 Snap 2 ...

Page 9: ...uctions Dismantling Instruction Step6 Dismantling Main Board first disconnect the connector XP1 and then remove 5 screws Figure 7 Figure 7 Step7 Remove the 2 screws on Power Board to dismantle the Power Board Figure 8 Figure 8 2 4 XP1 ...

Page 10: ...ART 3 Press OK button to confirm then screen will display Files coping UPGRADING 4 The upgraded tray will automatically open when files coping complete then take out the disc 5 About 1 minute later the trace will automatically close when upgrading complete B Read out the software versions to confirm upgrading 1 Power on the set and press Setup button on the remote control 2 Press 1 3 7 9 button Th...

Page 11: ...er on the set and open the tray Press 6 6 6 6 and Audio button on the remote control After that on the screen it shows PLS INPUT MODEL CODE 2 Then input the related MODEL CODE 0 After that on the screen it shows DVP hhhhh REGION h OK It means the language has been corrected and the player will be power off automatically ...

Page 12: ..._PWM signals 2 If there are F F T and T signals output from U2 Check Replace the loader Yes Yes No Go Check whether laser voltage 1 9V for CD 2 4V for DVD on L9 and L10 Check the FFC connection between 24P and the loader 1 Whether voltage on pin 23 of U1 varies between 0 and 3 3V 3 3V for CD and 0V for DVD 2 Whether peripheral components are eroded or badly soldered Trouble shooting chart Motor no...

Page 13: ...upply on the power board is normal Check Correct connection Whether the connection to K301 is broken Correct the connection Replace U1 No No Yes Yes Check if the XS301 on the front board to XP5 on the decoder board is in good contact Whether there is 0V and 3 3V voltage difference on Pin 106 PCON of U1 Trouble shooting chart ...

Page 14: ...eck whether U1 are eroded All output voltages on the power board is 0V or deviated Check whether there is 300V on C1 or C2 Check whether 100KHz oscillating signal on Pin6 of U1 Check if 5V and 12V are short Check whether the components in the short circuit voltage are defected or eroded Yes Yes Yes Yes U1 PIN 3 RC waveform Trouble shooting chart Check whether F1 is blown ...

Page 15: ...FFC connection between 24P and the loader Check U1 and peripheral components Re solder or replace the defective parts Check the connection between U1 Correct connection Replace U1 or loader Yes Check whether there is laser voltage 1 9V for CD and 2 4V for DVD on L9 and L10 Check if there is RFO signal on pin17 of XP2 The normal RFO signal is a clear reticulated wave Trouble shooting chart Check U1...

Page 16: ...eral components Check whether there is voltage variance on pin 25 of U1 check if bad solder exist on U1 and peripheral components Replace the bad spare parts Check whether pins of U1 and peripheral components are badly soldered defected Check Q5 Q7 whether in good condition Yes Yes Yes Go Correct connection Change U1 or the loader No No Yes Check laser voltage 2 4V output on L10 if pin18 of U1 is ...

Page 17: ...the U1 s pin 87 41 40 arrive the XP5 connect condition Correct connection Replace U301 or LED Yes Yes Yes No Check VCC 5v voltage on the power and front board Check there are STB SDA and SCK signals on XS301 on the front board 1 Check whether bad solder exists on U301 and pins of LED 2 Check whether the circuit connected to K302 K303 K304 and K301 is broken 3 Check whether R300 R301 and R302 are o...

Page 18: ...rmal Yes Check whether the muting transistor Q11 Q12 Q13 Q15 Q17 Q19are normal Checking the U6 leads the feet has no to break to open RUUHFW FRQQHFWLRQ Replace R86 R87 Check the voltage on pin3 or pin5 of U6 is OK Should be 2 5 3 1V Check whether the U1 or U6 powersupply normal No Yes Check the power supply voltages 12V to the operation amplifying Q3 is normal Yes Check U6 Replace U1 or U15 No Yes...

Page 19: ...coder board are normal Check Y2 R20 R27 C22 and C23 Check other of power supply electric circuit Correct the connection Check whether the video filter network circuit is normal Yes Yes No No No Check whether the 27MHz output signal Trouble shooting chart change U1 Yes No Check if the video signals on Pin 99 102 103 104 of U1 are normal ...

Page 20: ...e an oscilloscope to check if there is output waveform from the first pin IR of the remote censor after pressing button on the remote control REM301 PIN1 RC waveform Check if there is IR signal on pin 44 of U1 Check if the power supply voltage to the remote censor is normal Go No No No Yes Yes Yes Correct connection Yes Change U1 IR waveform Trouble shooting chart ...

Page 21: ...tal oscillator Y2 and peripheral components are defected or eroded No No No Yes Yes Yes 27Mhz waveform Trouble shooting chart Check whether all the voltages from the power board to the decoder board are normal CVBS R21 point waveform Check if there is 128MHz signal output on R67 Check whether short circuit or bad solder on U4 U5 SDRAM R67 DCLK waveform Check U1 No No Reconnect the component in Yes...

Page 22: ...2 0 LED DISPLAY ET6202 KEY 2 1 XS302 2PIN 2 0 8PIN 2 0 SW SR CN SL SP LOAD TRIN GND LOAD TROUT GND LIMIT CLK 12V GND 5V GND 5V SP SL SL CS DATA GND 5V IR GND USB_DP USB_DN GND 5V 12V GND MIC GND POWER_K 5 1 5 1 DVP3256K 93WIRING DIAGRAM Remark For DVP3256K 93 8PIN 2 0 XP6 is divided into 5PIN 2 0 XP7 and 3PIN XP6 5PIN 2 5 XP1 is the same as 5PIN CABLE TJC3 5Y SCN 5P L 70MM 8PIN 2 0 XP6 is the same...

Page 23: ...15 100 ohm C301 100P K302 stop C302 100P R317 0 NC U301 ET6202 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 OSC DI O CLK STB KEY1 KEY2 VDD SEG1 KS1 SEG2 KS2 SEG3 KS3 SEG4 KS4 SEG5 KS5 SEG6 KS6 SEG7 KS7 GND GRID1 GRID2 GND GRID3 GRID4 GND VDD SEG14 GRID5 SEG13 GRID6 SEG12 GRID7 SEG10 KS10 SEG9 KS9 SEG8 KS8 CE300 47uF C315 47p XS302 CON2 2 0 1 2 CE301 47uF R307 10K R319...

Page 24: ...A A B B C C D D E E 1 1 2 2 3 3 4 4 SWITCH BOARD K301 stop 1 2 CN301 1 2 6 2 6 2 Switch Board Electric Diagram ...

Page 25: ...IC GND USB_DP 12V 12VA MIC_OUT 12V REF USB_DP MIC_OUT VCC 12VA 12VA GND VCC 47 EAR024 XX0 KARAOKE P601 KARAOKE INPUT 1 2 3 R202 22K 47 USB003 XX2 USB P600 USB 1 2 3 4 5 6 C203 1000p D31 5V1 R206 3 9K R209 680 CE200 22uF C210 1uF G1 U200A NJM4558 3 2 1 8 4 U200B NJM4558 5 6 7 8 4 C206 47p R205 68K R211 100K R210 150 R203 22K R208 1K R200 10K C201 0 1u D30 5V1 C208 1uF C205 47p CE201 22uF R201 1 8K ...

Page 26: ...63V CY1 102 400Vac C6 47uF 25V C8 470uF 16V L6 D8 IN4007 D10 SR360 SR340 U1 TNY176 177 8 1 5 6 4 7 3 2 S EN UV S S Drain S NC BP M R11 1 6W22 CN1 AC INPUT 1 2 C2 15uF 400V 250V 450V D1 1N4007 R7 1 6W11 3k 1 D5 FR102 R13 1 6W100k T1 EEL19 8 6 3 5 9 12 10 4 7 11 P3 1 D3 1N4007 C5 152 1KV R9 1 6W10k CON1 AC INPUT 1 2 L2 6 8uH U3 TL431 2 1 3 F1 T2AL 250ac D2 1N4007 C1 10uF 400V 250V 450V TR1 NTC 10 20...

Page 27: ...B1 VOTK REV VOFC VOFC VCTL VCC2 NC NC BIAS FWD VINSL REGO1 MUTE VCC VOSL VOLD VOLD VOTK VINLD GND TRB2 VINTK G1 G2 C33 4 7uF D2 1N4148 R127 5 6 OHM 1W R61 10k R46 4 7 C87 0 1uF R29 560 R18 3 3K C27 0 1uF R39 100 TOP XP2 SMD0 5 TOP 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 25 26 27 28 R16 4 7K C44 NC 47p R15 15K R51 100 0402 R17 3 3K C17 NC 100p R52 100 0402 C38 330pF C18 0 1UF...

Page 28: ...R80 10k C82 1000pF C12 0 1uF C80 100pF R89 100 R99 100k U8B NJM4558 OPA 5 6 7 8 4 R118 22K R90 10k C62 3300p R100 470 R111 10k R101 31k Q13 2N3904 R124 470 U7B NJM4558 OPA 5 6 7 8 4 R110 3 3K R108 10k Q19 2N3904 47 RCA151 XX RCA P3 RCA AUDIO OUT 1 2 3 4 5 6 C70 1000pF CE26 220U 16V R81 5 1k C64 1000pF R114 470 CE21 10uF 16v R93 100k 47 RCA149 XX1 RCA P2 RCA AUDIO OUT 1 2 3 4 5 R102 10k R109 31k R1...

Page 29: ...PIO19 GPIOK0 92 GPIO20 TROUT 23 LIMIT TRCLOSE 106 MT1389L K General GPIO List 35 VSDA AKIN1 5 1CH only 2CH for 89K USB VFD AMUTE Only for 89K GPIO11 Only for 89K ASPDIF AUDIO ADC VIDEO DAC AUDIO DAC AADVDD M5V GND AGND VGND MGND RFGND GND GND P12V PCON 3 APLLVDD3 ADACVDD DACVDD3 RFVDD3 RFGND DV33 SD33 DV33 12VA AADVDD DV33 VGND M5V 12V 5V RFGND GND R3 4 7 0603 C13 0 1uF C15 0 1uF CE6 100uF 16v R7 ...

Page 30: ...R130 3 3K R131 10k L11 0R 1 8uH Q26 2N3904 R74 10k C51 5P D6 BAT54S 1 2 3 D5 BAT54S 1 2 3 C50 100pF R77 75 1 C99 0 1uF R72 10k R71 75 1 U3 ESMT M12L16161A 7 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 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQ DQML WE CAS RAS CS BA A11 A10 A0 A1 A2 A3 VCC ...

Page 31: ...6 9 6 9 Front Board Print layout Bottom side ...

Page 32: ...6 10 6 10 Switch Bord Print layout Bottom side ...

Page 33: ...6 11 6 11 OK USB Board Print layout Bottom side ...

Page 34: ...6 12 6 12 Power Board Print layout Bottom side ...

Page 35: ...6 13 6 13 Main Board Print layout Top side ...

Page 36: ...6 14 6 14 Main Board Print layout Bottom side ...

Page 37: ... Cable PAC6 Poly bag PAC4 Accessory bag PAC2 Left card PAC11 Remote Control PAC5 Operation manual PAC12 Service hotline PAC13 Service guarantee PAC14 World wide guarantee card PAC3 Right card 7 1 DVP3256K 93 Packing View Remark ...

Page 38: ...7 2 DVP3256K 93 Exploded View Remark It s a general view of DVP3256K 93 Please refer to the model set for the detailed information Ass y 1 includes components 1 3 4 5 27 ...

Page 39: ...XP5 996510012698 HS 6P PH 6Y JC20 6Y 150MM 1 L10 996500014082 COIL CHOKE 10UH 10 1 XP6 996510010961 8PIN CABLE WITCH SHIELD 1 L9 996500014082 COIL CHOKE 10UH 10 1 XS302 996510004064 CABLE 2P HS L 160MM 1 L9 996500014082 COIL CHOKE 10UH 10 1 Q10 996510009671 TRANSISTOR 1 Q11 996510009669 SMD TRANSISTOR MMBT3904LT1 NPN 1 Q12 996510009669 SMD TRANSISTOR MMBT3904LT1 NPN 1 Q13 996510009669 SMD TRANSIST...

Page 40: ...REVISION LIST Version 1 0 Initial release 8 1 ...

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