Philips-MCD-702-Service-Manual电路原理图.pdf

Version 1.2MCD700, MCD702© 3141 785 30432DVD Micro Systemall versions Published by YT 0531 Service Audio Subject to modification© Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.Handling chip components . 1-1Service tools . 1-1Leadfree and safety information . 1-2Technical specification . 2-1Service measurement setup . 2-2Connections and controls . 3-1.3-3Disassembly diagram . 4-1.4-2Software version and upgrading . 5-1Block diagram . 6-1Wiring diagram . 6-2VFD / Key Board Assemblycircuit diagram . 7-1layout diagram . 7-2DVD Blockcircuit diagram . 8-1layout diagram . 8-2Tuner boardcircuit diagram. . 9-1layout diagram . 9-2DVD / MPEG boardcircuit diagram . 10-1.10-3layout diagram . 10-4AMP Blockcircuit diagram. .11-1layout diagram .11-2Exploded view diagram . 12-1Mechanical partslist . 12-2.12-3Electrical partslist . 13-1.13-2Revision list . 15-1TABLE OF CONTENTSMCL707MCL707/61 partslist . 14-1.14-21 - 1HANDLING CHIP COMPONENTS1 - 22 - 1GENERALMains voltage -/55/96/98 : 120 / 230 V /93 : 220V/79 : 240V/37 : 120VMains frequency -/55/96/98 : 50 / 60 Hz /79/93 : 50 Hz/37 : 60 HzBattery for remote : 3V (R03, AAA x 2) Power consumption Max. : 150cd/m2 Contrast dark room : 150 :1 LOUDSPEAKERS2-way bass reflex system Dimension (W x H x D) : 145 x 230 x 210 mm Weight : 2.4 Kg each SPECIFICATION2 - 2SERVICE MEASUREMENTBandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BTuner FWUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50½Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday«s cage.Use a bandpass filter (or at least a high pass filter with 250kHz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50½LRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BDUTCD RECORDERUse Audio Signal Disc SBC429 4822 397 30184(replaces test disc 3)Use Universal Test Cassette Fe SBC420 4822 397 30071LRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BDUTLF Generator e.g. PM5110Ri=50½3 - 1CONNECTION AND CONTROLS3 - 2CONNECTION AND CONTROLSFor more information onoperation instruction please visit Philips Audio internet site : http:/www.audio.philips.com3 - 3CONNECTION AND CONTROLS4 - 1 4 - 1DISASSEMBLY INSTRUCTION - DVD PARTA. Remove Bottom CoverA1 remove screws M2.5x4 (washer head) - 4 pcs.C. Remove Side Panel (L & R)C1 Slide out the Side Panels.E. Remove Front CabinetE1 remove screws MK3x10 - 2 pcs.E2 remove screws M3x4 - 2 pcs.F. Remove Display Board AssemblyF1 remove screws ST 2.5x8 - 2 pcs.(take out Push Key PCB Assy)A1B1B3B3B2B1B. Remove Back PanelB1 remove screws M3x6 - 3 pcs.B2 remove screw ST 3x10 - 1 pc.B3 remove screws ST 3x10 - 6 pcs. (for jacks)C1C1D1D2D. Remove Top CabinetD1 remove screws M3x6 - 3 pcs.D2 remove screws M3x6 - 3 pcs.E1E2E2F1F2F. Remove Display Board AssemblyF2 remove screws ST 2.5x8 - 4 pcs.4 - 2 4 - 2DISASSEMBLY INSTRUCTION - AMP PARTA. Remove Bottom CoverA1 remove screws M2.5x4 (washer head) - 4 pcs.C. Remove Side Panel (L & R)C1 Slide out the Side Panels.E. Remove Front CabinetE1 remove screws MK3x10 - 2 pcs.E2 remove screws M3x4 - 2 pcs.F. Remove TFT Module (for MCL707 only)F1 remove screws ST 2.5x8 - 4 pcs.A1B2B2B1B3B. Remove Back PanelB1 remove screws M3x6 - 3 pcs.B2 remove screw ST 3x10 - 2 pc.B3 remove screws ST 3x10 - 4 pcs. (for jacks)C1C1D1D2D. Remove Top CabinetD1 remove screws M3x6 - 2 pcs.D2 remove screws M3x6 - 2 pcs.E2E2E1F1