Philips MDV460 Service Manual

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Service Manual

. Technical Specifications.............................................................1-2

. Safety Instruction, Warning & Notes............................................1-3

. Mechanical and Dismantling Instructions.........................................2-1

. Region Code, Software Version& Upgrades...................................

. Trouble Shooting Chart...........................................................

. Wiring Diagram.......................................................................5-1

. Electrical Diagrams and Print-layouts...........................................6-1

. Set Mechanical Exploded View & Part list.....................................

. Electrical Parts List..................................................................

. Revision List..........................................................................

transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise

without the prior permission of Philips.

Published by TCL-HY 0705 Service Audio

Version 1.0

Printed in The Netherlands

Subject to modification

Page

3-1

4-1

7-1

8-1

9-1

CLASS 1

LASER PRODUCT

3139 785 32590

PHILIPS

MDV460

MDV460/37

Summary of Contents for Philips MDV460

Page 1: Table Of Contents
. Electrical Parts List…………………………………………..…..…..Revision List………………………………………………….…..…..CLASS 1 ©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 LASER PRODUCT transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.
Page 2: Technical Specifications
Technical Specifications TV standard (PAL/50Hz) (NTSC/60Hz) Audio performance Number of lines DA converter 24bits, 192KHz Playback Multi standard (PAL/NTSC) fs 96kHz 4Hz----44kHz fs 48kHz 4Hz----22kHz SVCD fs 48kHz 4Hz----22kHz Video performance fs 44.1kHz 4Hz----20kHz CD/ VCD fs 44.1kHz 4Hz----20kHz Video DAC 12 bit, 108MHz Signal-Noise (1kHz) >90dB...
Page 3: Safety Instruction, Warning & Notes
Safety instruction, Warning & Notes Safety instruction 1. General safety 2.Laser safety Safety regulations require that during a repair: This unit employs a laser. Only qualified service personnel . Connect the unit to the mains via an isolation transformer. may remove the cover, or attempt to service this device .
Page 4 Warning 1.General 2. Laser . All ICs and many other semiconductors are susceptible to . The use of optical instruments with this product, will electrostatic discharges (ESD). Careless handing during increase eye hazard. repair can reduce life drastically. Make sure that, during .
Page 5 ‘dry-packaging’ (sealed pack including a silica gel • Use only lead-free solder alloy Philips SAC305 with pack) to protect the IC against moisture. After order code 0622 149 00106. If lead-free solder-paste is...
Page 6: Mechanical And Dismantling Instructions
Mechanical and Dismantling Instructions Dismantling Instruction The following guideline is a general instruction for how to dismantle the player, Detailed operation done according the set unit. Step1: Remove 5 screws around the Top Cover, then remove the Top Cover (Figure 1). Figure 1 Step2: If it is necessary to dismantle Loader or Front Panel, It should be remove the Front door assembly first.
Page 7 Mechanical and Dismantling Instructions Dismantling Instruction Step3: If the tray can’t open in normal way, you can make it through the instruction as below (Figure 3). Note: Make sure to operate gently otherwise the guider would be damaged. Push the guider until the tray out. Make sure to operate gently to avoid damage happening.
Page 8 Mechanical and Dismantling Instructions Dismantling Instruction Step5: Dismantling Front Panel, disconnect the 1 connector, then release the snaps on the both sides of Front Panel and Bottom cabinet , then gently pull the Panel out from the set. (Figure 5) CON 4 Figure 5 Snap 1...
Page 9 Mechanical and Dismantling Instructions Dismantling Instruction Step6: Dismantling Main Board, first disconnect the connector, and then remove 4 screws. (Figure 8) CON 5 Figure 8 Step7: Remove the 2 screws on Power Board to dismantle the Power Board. (Figure 9) Figure 9...
Page 10: Software Upgrade
Start the CD Burning software and create a new CD Power on the set and open the tray door, Keep the set project (Data Disc) with the following setting: in “No disc” status. Label: MDV460 (No need the label name) Press <9><6><6>button to check the software information.
Page 11: Trouble Shooting Chart
T rouble shooting chart Spindle motor does not move Motor no move Check the FFC connection Correct connection between 24P and the loader. Check whether “RFA5V” Check the RFA5V power (+5V) voltage is normal. supply Check whether laser voltage Check/ Replace Q2、Q3. (2.3V for DVD &...
Page 12 T rouble shooting chart The power can not be on or off The power can’t be on or off Check the power supply Repair the power board on the power board is normal. Check if the CON301 on the front board to CN5 Check/Correct connection on the decoder board is in good contact.
Page 13 T rouble shooting chart All output voltages on the power board is 0V or deviated. All output voltages on the power board is 0V or deviated Check whether Replace F1 F1 is blown Check whether there is Replace C1&C2 if D1, D2, D3, D4 are 300V on C1 and C2.
Page 14 T rouble shooting chart Disc cannot be read . Disc cannot be read. Check the FFC connection Check the loaded circuit between 24P and the loader. 1.Check voltage on pin 100 of U1 varies between 0 and 3.3V: Check whether there is 3.3V for CD laser voltage (2.3V for DVD 0V for DVD...
Page 15 T rouble shooting chart Only DVD disc or only disc except DVD can be played Only DVD disc, or only disc except DVD can be Played. Check Check the loaded circuit connection between 24pin and the loader. Check laser voltage (2.3V) Check the solder status on U1 and output on Collector of Q2, if peripheral components...
Page 16 T rouble shooting chart No display on LED, and buttons do not work No display on LED, and buttons do not work Check whether there is correct contact Correct connection between CON301 and Check VCC(+5v) Fix power supply board top voltage on the power a power supply for should and front board...
Page 17 T rouble shooting chart Distorted audio and loud noise Distorted audio and loud noise Check the power supply voltages +12V and -12V Correct connection to the decode board are normal. Check whether Replace R65 and R67 muting transistor andR67 are normal Check whether Replace Q17~Q18...
Page 18 T rouble shooting chart Abnormal color of video picture Abnormal color of video picture Check whether the 27MHz output signal is normal. Check Y1, R13, C38 and C39 Check whether the 3.3V Check other of power supply electric and 1.8V power supply circuit voltages on the decoder board are normal.
Page 19 T rouble shooting chart Remote reception is insensitive or fails. Remote reception is insensitive or fails. Check if the remote Check battery control works properly. Check power Check R315、C315 supply voltage to the remote censor is normal Use an oscilloscope to check if there is output waveform from REM301(PIN1 - RC waveform) the first pin IR of the remote...
Page 20 4-10 T rouble shooting chart No video picture, no sound. No video picture, no sound. Check whether all the voltages Check the loaded circuit from the power board to the decoder board are normal. CVBS(R21 point) waveform Check reset circuit consisting ofEC9, D1 and Q1 is Change EC9, D1and Q1.
Page 21: Wiring Diagram
MDV460/37 WIRING DIAGRAM AC IN COAX L&R CON1 CVBS AUDIO GND_LD VIDEO AMP&LPF DVD_LD LPF&DRIVE NC(C-GND) OPU_HFM(-RFA5V) MD(C-GND) CD-LD VR_DVD VR_CD POWER NC(C-GND) RF_E +12V SUPPLY VCC(-RFA5V) RF_F -12V RF_B CON2 RF_A CD/DVD RF_D RF_C ZR36962D TACT- TACT+ FACT+ TACT-...
Page 22 Front Board Electric Diagram for MDV460/37 FROM MAIN BOARD REM301 DV33 POWER_K CON301 R315 100 ohm DV33 CON302 CON2(2.0) C316 DATA C306 CE301 0.1U C315 0.1u 47uF POWER_K CON9(2.0) C314 0.1U C306 C314 R303 R304 R305 C316 C303 D301 D302...
Page 23 Front Board Print-Layout (Bottom Side) for MDV460/37 Switch Board Print-Layout (Bottom Side) for MDV460/37...
Page 24 Power Board Electric Diagram for MDV460/37 T2AL/250ac NTC 10 1N4007 1N4007 680uH CON1 10K471 102/400Vac AC INPUT + C1 + C2 22uF/400V 22uF/400V 1N4007 1N4007 IN4148 10uF/50V T1 EEL22 IN4148 47uF/25V CON2 -24V CON1 -12V 152/1KV 1/4W120K 1/4W120K CON2 +12V...
Page 25 Power Board Print-Layout (Bottom Side) for MDV436/37...
Page 26 Main Board Electric Diagram for MDV460/37 : Vaddis_SDRAM_Fla Important power supply! VDDPWM SERVO33 4.7R Flash speed <= 70 nS. 10nF If plan to use 90ns Flash, it needs to be Crystal verified by s/w. Use it to connect the shell of the crystal with ground.
Page 27 Main Board Electric Diagram for MDV460/37 : Front end DSPVCC33 + EC10 4.7R 47uF/16V SP_M- SPDL_SENS- 313A HD65 502W SPDL_SENS- R49: 100R R50: 100R Close to CN2 220R LD_DVD DSPVCC33 9012 DSPVCC33 100R OPU: 313A HD65 VR_CD MD_DVD R76: 2.2R...
Page 28 Main Board Electric Diagram for MDV460/37: Audio Input_Outp -12VA -12V EC26 47uF/25V +12VA +12V EC25 R114 47uF/25V [120K 1%] R113 [120K 1%] 39K 1% [120K 1%] 33pF -12VA APWM_L- 4.7K 1% 4.7K 1% 4.7K 1% 0.1uF 180pF 200pF U14B EC27 6.8K...
Page 29 Main Board Electric Diagram for MDV460/37: Power_Video Out_ DSPVCC33 DSPVCC33 STBY_KEY: L: STBY or wake up. CVBS_C RCA_CVBS_OUT H: Working. CVBS_C 2.2K C105 100pF POWER_K R106 220R STBY_KEY STBY_KEY FPC_CLK FPC_CLK FPC_STB Y_R_V V_OUT FPC_STB Y_R_V FPC_DOUT FPC_DOUT C106 DV33...
Page 30 Main Board Print-Layout (Top Side) for MDV460/37...
Page 31 6-10 6-10 Main Board Print-Layout (Bottom Side) for MDV460/37...
Page 32 MDV436/37 Mechanical Exploded View Remark: Ass'y1 is the assembled compoient for location 1,2,3,5,6,7...
Page 33 MDV460/37 AVCAB 996510001114 AUDIO CABLE 1500MM 996510001221 REMOTE CONTROL VCAB 996510001113 VIDEO CABLE 1500MM Note:Only the parts mentioned in this list are normal service spare parts...
Page 34: Revision List
REVISION LIST Version 1.0 * Initial release...

Philips MDV460 Service Manual

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