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Philips DVP1120 Service Manual Download Page 19

4-8

Remote reception is insensitive or fails. 

No

Remote reception is 

insensitive or fails. 

Check if the remote 

control works properly.

Check battery 

Check  R201

ǃ

R202

ǃ

R93

ǃ

C201

ǃ

C14 

Use 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. 

REM1(PIN1 - RC waveform)

Check if there is IR 
signal on pin 134 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 

Summary of Contents for DVP1120

Page 1: ...9 785 33061 Version 1 1 Service Manual PHILIPS GB Copyright 2007 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 PRODUCT Published by KC ET0743 Servic...

Page 2: ...ble downmix from Dolby Digital multi channel sound 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 cum A...

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 rem...

Page 4: ...uch 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 in...

Page 5: ...f 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 standa...

Page 6: ...ismantling Instruction The following guidelines show how to dismantle the player Step1 Dismantle the top cover remove 9 screws around the bottom cabinet and disconnect 1 connector then remove the top Cover Figure 1 2 2 1 Figure 2 Figure 1 CON1 ...

Page 7: ...der and disc door can t open in normal way you can make it through the instruction as below to take out the disc Figure 3 4 Note Make sure to operate gently otherwise the guider would be damaged Figure 3 Figure 4 2 2 Remove the spring follow the red sign Then the disc door will flick out automatically ...

Page 8: ...ing Loader disconnect the 2 connectors aiming in the figure and 4 screws then can remove the loader Figure5 Step4 Dismantling main board disconnect the 2 connectors aiming in the figure and 5 screws then can remove the main board Figure6 Figure 5 2 3 CON1 CON2 Figure 6 CON3 CON4 ...

Page 9: ...ismantling Instruction Step5 Dismantling power board disconnect the 2 screws then can remove the power board Figure7 Step6 Dismantling IR board remove the IR board follow the red sign then can remove the IR board Figure8 Figure 7 Figure 8 2 4 ...

Page 10: ...Dismantling Instruction Step6 Dismantling switch board disconnect the 2 screws then can remove the switch board Figure9 Step6 Dismantling the front board disconnect the 2 screws then can remove the front board Figure10 Figure 9 2 5 Figure 10 ...

Page 11: ...T 3 Press OK button to confirm then screen will display Files coping UPGRADING 4 The upgraded disc will automatically out when files coping complete then take out the disc 5 About 1 minute later the trace will automatically close when upgrading complete C Read out the software versions to confirm upgrading 1 Power up the set and press Setup button on the remote control 2 Press 1 3 7 9 button The s...

Page 12: ...nals 2 If there are F F T and T signals output from U7 Check Replace the loader Yes Yes No Go Check whether laser voltage 2 3V for DVD 1 9V for CD on Collector of Q2 and Q3 Check the FFC connection between 24P and the loader 1 Whether voltage on pin 129 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 Mot...

Page 13: ...upply on the power board is normal Check Correct connection Whether the connection to K401 is broken Correct the connection Replace U1 No No Yes Yes Check if the CN301 on the front board to CN5 on the decoder board is in good contact Whether there is 0V and 3 3V voltage difference on Pin 192 PCON of U1 Trouble shooting chart ...

Page 14: ... whether U1 are eroded All output voltages on the power board is 0V or deviated Check whether there is 300V on C1 and C2 Check whether 100KHz oscillating signal on Pin6 of U1 Check if 5V 12V 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: ...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 2 3V for DVD and 1 9V for CD on Collector of Q2 Q3 Check if there is RFO signal on pin10 of CN2 The normal RFO signal is a clear reticulated wave Trouble shooting chart Chec...

Page 16: ...components Check whether there is voltage variance on pin 182 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 Q2 whether in good condition Yes Yes Yes Go Correct connection Change U1 or the loader No No Yes Check laser voltage 2 3V output on Collector of Q2 if pin181 of ...

Page 17: ... resistors R65 andR67 are normal Yes Check whether the muting transistor Q17 Q18 are normal Checking the U14 leads the feet has no to break to open RUUHFW FRQQHFWLRQ Check whether the U1 or U14 powersupply normal No Yes Check the power supply voltages 12V and 12V to the decode board are normal Yes Check U14 Replace U1 or U14 No Yes Trouble shooting chart ...

Page 18: ...board are normal Check Y1 R13 C38 and C39 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 is normal Trouble shooting chart change U1 Yes No Check if the video signals on Pin 147 149 151 152 154 of U1 are normal ...

Page 19: ...ǃC14 Use 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 REM1 PIN1 RC waveform Check if there is IR signal on pin 134 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 20: ...tal oscillator Y1 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 135MHz signal output on R2 Check whether short circuit or bad solder on U2 U4 SDRAM R2 PCLK waveform Check U1 No No Reconnect the component in Yes Y...

Page 21: ...F DRIVE AM5888 CN1 1 1 MOTER DRIVER 6 CN2 1 8M 16M FLASH CN5 MAIN BOARD 7 16M SDRAM 24PIN 0 5 7 6PIN 2 0 24 COAX LED ON POWER_K STOP PLAY PAUSE FRONT CONTROL CN4 3 IN 1 CVBS LR Y Pb Pr STB ON STOP PLAY PAUSE SW BD 1 3 3 1 LED ON 5V GND LED PLAY LED PLAY IR BD CN6 CN10 CN7 CN8 CN201 CN302 CN401 CN3 SP GND SL SP SL LIMIT GND GND 5V 12V 12V AGND 5V TRIN POWER_K GND IR GND DV33 IR LED 5V 5 1 5 1 ...

Page 22: ... B3 B3 LED POWER_K 5V LED POWER_K LED_PLAY LED LED_PLAY 5V PLAY PAUSE 5V POWER_K 5V STOP LED R303 NM 0R C401 0 1u CN302 CON4 1 2 3 4 LED1 STB K302 PLAY PAUSE K401 STANDBY K301 STOP R304 510 Q2 3904 CN301 CON7 1 2 3 4 5 6 7 CN401 2 0MM 4 1 2 3 4 R302 4 7K D401 1N4148 C301 0 1uF C302 0 1uF LED2 PLAY C303 0 1uF Front Board Switch Board Electric Diagram for DVP1120 55 93 98 6 1 6 1 ...

Page 23: ...BD C201 C202 CE201 CN201 R201 R202 REM1 C2 B2 B2 B2 B2 B2 B2 IR IR DV33 DV33 CN201 2 0MM 3 1 2 3 R201 100 C201 47pF REM1 IR 1 2 3 4 5 IR GND VCC GND1 GND3 R202 10 CE201 47uF C202 0 1u Infrared Board Electric Diagram for DVP1120 55 93 98 6 2 6 2 ...

Page 24: ...N4007 TR1 NTC 10 R2 300K 1 4W C4 47uF 25V D3 1N4007 D6 1N4148 U3 TL431 2 1 3 D9 1N4007 D4 1N4007 C8 470uF 16V CON1 AC INPUT 1 2 R8 2 2k C6 47uF 25V C12 102 50V NU R1 56k 1 4W U2 PC123X92 1 2 4 3 C3 10uF 50V NU R10 220 RV1 10K471 R12 22 NU D8 1N4007 R7 11 3k 1 C9 10uF 50V R3 300K 1 4W D5 FR102 NU L2 6 8uH C2 22uF 250V C11 0 1uF C1 22uF 250V F1 T2AL 250ac FB1 2 2uH D7 1N4148 L1 750uH T1 8 11 1 7 3 5...

Page 25: ...10 392 Ohm 1 C28 10nF R1 4 7K R42 1K NM C49 0 1uF FB6 500Z R20 75R 1 C5 100pF JP3 NM C32 1nF R7 15 4K 1 C11 10nF FB1 500Z R17 4 7R TP3 EC1 47uF 16V R21 75R 1 C35 1nF C4 0 1uF C16 100pF R36 100R C71 330pF C48 10nF C33 27nF C70 47pF C20 10nF U5 24LC02 1 2 3 4 8 7 6 5 A0 A1 A2 GND VCC WP SCL SDA C45 22pF NM C50 33pF R22 75R 1 R14 220K R2 33R C6 100pF U2 16Mbit K4S161622C TC L70 1 2 3 4 5 6 7 8 9 10 1...

Page 26: ..._S SLED_S REGO1 CLOSE SPDL_S TRACK_S OPEN REGO2 GND DSPVCC33 DSPVCC33 DSPVCC33 DSPVCC33 RFA5V DSPVCC33 GND DSPVCC18 DSPVCC33 RFA5V DSPVCC33 M5V M5V M5V CN2 SF HD6B 0 5mm 24P 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 F F T T C D CD DVD RF A B F GND PD VC VCC E NC VR CD VR DVD LD CD MD HFM NC LD DVD GND LD NC NC NC NC R49 100R R75 2K R86 33K EC13 47uF 16V D19 BAT...

Page 27: ...R 2 2K R26 4 7K 1 0R R113 120K 1 NM R114 120K 1 NM C91 200pF NM R59 120K 1 47K R61 6 8K 1K R57 4 7K 1 0R R88 120K 1 47K C98 33pF 150pF R55 4 7K 1 43K R79 4 7K C96 33pF NM R172 5 6K NM 10K R171 5 6K NM 10K R28 4 7K 1 0R C87 NM 1500pF R111 120K 1 NM R60 120K 1 47K R112 120K 1 NM C99 0 1uF R115 120K 1 NM EC27 22uF R116 120K 1 NM R58 4 7K 1 43K R110 22K R89 120K 1 47 R31 0R 2 2K R67 100R R108 3 3K C95...

Page 28: ...R_V CVBS_G_Y IRRCV STBY_KEY C_B_U S PDIF_OUT LMAIN OUT CVBS_C FPC_STB FPC_CLK FPC_DOUT LED RMAIN OUT D5V DSPVCC33 12V SERVO33 DSPVCC33 DSPVCC18 12V D5V RFA5V M5V DSPVCC33 DSPVCC33 M5V 1 7 CN1 CON7 2 5mm 1 2 3 4 5 6 7 C41 100pF R105 1K R109 1K C14 100pF R107 1K R106 220R L3 0R 1uH R82 10K C105 NM 100pF C82 100pF R99 NM CN10 COAX OUT 1 2 3 C78 0 01uF R87 4 7K R101 39R C69 0 1uF C47 0 01uF R23 4 7K C...

Page 29: ...Front Board Switch Board Print_Layout Bottom Side for DVP1120 55 93 98 6 8 6 8 ...

Page 30: ...Infrared Board Print_Layout Bottom Side for DVP1120 55 93 98 6 9 6 9 ...

Page 31: ...Power Board Print_Layout Bottom Side for DVP1120 55 93 98 6 10 6 10 ...

Page 32: ...Main Board Print_Layout Top Side for DVP1120 55 93 98 6 11 6 11 ...

Page 33: ...Main Board Print_Layout Bottom Side for DVP1120 55 93 98 6 12 6 12 ...

Page 34: ...l Exploded View It s a general Mechanical Exploded View for DVP1120 55 93 98 Detailed information please refer to Model set A1 is assembled by loaction 3 4 5 32 A2 is assembled by loaction 14 15 16 17 20 21 22 23 25 26 27 28 7 1 ...

Page 35: ...ACCESSORIES IN GIFT BOX Battery 8 POLY BAG 9 Remote Control Service hot line World wide guarantee Pass Label User manual Service guarantee Power Coder AV Cable DVP1120 93 Packing View 7 2 ...

Page 36: ... FLAT WIRE 1 19 996510001175 POWER CORD for DVP1120 55 1 CON3 996510008504 7P HS TJC3 7Y SCN 7P L 280MM 1 996510009517 POWER CORD for DVP1120 93 CON301 996510008505 7PIN HS PH 7Y SAN 7P L 220 1 996510001537 POWER CORD for DVP1120 98 CON302 996510008506 4PIN HS PH 4Y SAN 4P L 220 1 24 996510008500 ASS Y SW BD for DVP1120 55 93 98 1 CN201 996510008507 3PIN HS PH 3Y JC20 3P L 160 1 29 996500035358 DV...

Page 37: ...8 1 REVISION LIST Version 1 0 Initial release Version 1 1 Include 93 98 for DVP1120 models ...

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