Philips-CEM-1000-Service-Manual电路原理图.pdf

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1、Version 1.1CEM1000/00/51/983141 785 35161Car entertainment systemsPublished by LX 1046 Service Audio Subject to modification Copyright 2010 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or t

2、ransmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.CONTENTSTechnical specification .1-2Version variation .1-2Service measurement setup.1-3Service aids .1-4Instructions on CD playability .2-1.2-2Block diagram.3-1Wiring di

3、agram.4-1Disassembly diagram. .5-1 Main boardCircuit diagram .6-1.6-4 Layout diagram .6-5.6-6Servo boardCircuit diagram .7-1 Layout diagram .7-2Exploded view diagram .8-1Display Type: High contrast B/W LCD (8 characters) Key illumination: RedAudio Playback Playback Media: CD, CD-R, CD-RW, MP3-CD, WM

4、A, WMA-CD Compression format: MP3, WMA Disc Playback Modes: Fast Forward/Backward,Introscan, Next/Previous Album Search, Next/Previous Track Search ID3 Tag support: Song title, artist, album MP3 bit rates: 32-320kbps and variable bit rateTuner/Reception/Transmission Tuner Bands: AM, FM Stereo Auto d

5、igital tuning Tuner Enhancements: Auto search and store No. of preset stations: 18(FM), 12(AM) RDS: Station Name, Station Information, Radio Text,Program Type, News, News & Traffic, RDS ClockSetSound Equalizer: 2-bands Equalizer settings: Classic, Jazz, Pop, Rock, Flat,Optimal, Techno, User defined

6、Sound Enhancement: Dynamic Bass Boost Output power (MAX): 45Wx4 channels Output power (RMS): 22Wx4 channels (4 ohms,10% T.H.D.)Connectivity MP3-Link: For portable MP3 music playback Preamp output: 1 pair RCA(L/R)Security/Anti-thief Front panel: Detachable & flip-down Display blackout: 10/20 sec sele

7、ctableAccessories Remote control: Slim remote with battery User Manual: English, Brazilian Portuguese, Spanish,Traditional Chinese Quick start guide: English, Traditional Chinese,Brazillian Portuguese, SpanishPower Power supply: 12V DCDimensions Product dimensions (W x H x D):188 x 58 x 190 mm Chass

8、is: 1 DinTECHNICAL SPECIFICATION1 - 2Type /Versions:FeaturesBoard in used:CEM1000Service policySERVO BOARDMAIN BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- Used/05 /00 /5189/16/85/Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKC/MC/MType /Versions:CEM1000/05 /12 /5589/16/

9、85/VERSION VARIATIONCMC/MC/M1-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metee.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397 30071LEVEL METERe.g. Sennheiser UPM

10、550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (M

11、W,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage.Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Gener

12、ator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUP1-4SERVICE AIDSGB WARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic d

13、ischarges (ESD).Careless handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with the same potential as the massof the set via a wrist wrap with resistance.Keep components and tools also at thispotential.ESDCLASS 1LASER PRODUCTGBSafety regulations requir

14、e that the set be restored to its originalcondition and that parts which are identical with those specified,be usedSafety components are marked by the symbol!.Lead freeSet remains closed!NYPlay a CD for at least 10 minutesYplayabilityok ?Nplayabilityok ?add Info for customer“SET OK“check playability

15、NYplayabilityok ?check playabilitycheck playabilityreturn setCustomer complaint“CD related problem“fast“ lens cleaning123For flap loaders (= access to CD drive possible)cleaning method 4 is recommendedINSTRUCTIONS ON CD PLAYABILITY2 - 1Exchange CDM1 - 4 For description - see following pages1PLAYABIL

16、ITY CHECKFor sets which are compatible with CD-RW discsuse CD-RW Printed Audio Disc.7104 099 96611TR 3 (Fingerprint)TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbanceplaying time for: Fingerprint 10secondsBlack dot from 00:50 to 01:10 jump forward/backward

17、 (search) within a reasonable timeFor all other sets use CD-DA SBC 444A.4822 397 30245TR 14 (600 Black dot) maximum at 01:15TR 19 (Fingerprint)TR 10 (1000 wedge) playback of all these tracks without audible disturbanceplaying time for: 1000 wedge 10secondsFingerprint 10secondsBlack dot from 01:05 to

18、 01:25 jump forward/backward (search) within a reasonable time2CUSTOMER INFORMATIONIt is proposed to add an addendum sheet to the set whichinforms the customer that the set has been checkedcarefully - but no fault was found.The problem was obviously caused by a scratched, dirty orcopy-protected CD.

19、In case problems remain, the customeris requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in theaddendum sheet.The final wording in national language as well as the printingis under responsibility of the Regional Service Organizations.4LIQUID LENS CLEANINGB

20、ecause the material of the lens is synthetic and coatedwith a special anti-reflectivity layer, cleaning must be donewith a non-aggressive cleaning fluid. It is advised to use“Cleaning Solvent The actuator is a very precise mechanical component andmay not be damaged in order to guarantee its full fun

21、ction.Clean the lens gently (dont press too hard) with a soft andclean cotton bud moistened with the special lens cleaner.The direction of cleaning must be in the way as indicated inthe picture below.Before touching the lens it is advised to clean thesurface of the lens by blowing clean air over it.

22、This to avoid that little particles make scratches onthe lens.INSTRUCTIONS ON CD PLAYABILITY2 - 23 - 1 3 - 1SET BLOCK DIAGRAM1)PRESS “ “ TO OPEN THE PANEL, THEN DISENGAGE IT FROM THE CHASSIS2)REMOVE SCERW “A“ AS INDICATED TO DISCHARGE THE TOP LID3)REMOVE SCREW “B“ & “C“ AS INDICATESD4)REMOVE SCREW “D“ & “E“ AS INDICATED5)PUT OUT FLAT CABLE FROM DECK AS “F“ INDICATED6)REMOVE 5 SCREWS AS INDICTED TO LOSSEN THE FRONT PANELABCD EFBUTTONSET DISASSEMBLY DIAGRAM5 - 1 5 - 16 - 16 - 1CIRCUIT DIAGRAM - MAIN BOARDAUDIO PART 6 - 26 - 2CIRCUIT DIAGRAM - MAIN BOARDMCU PART