Philips-MCD-388-Service-Manual电路原理图.pdf

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1、DVD Micro System TABLE OF CONTENTS3141 785 33791DB 10042009MCD388RecordableReWritableLocation of PC Boards . 1-1Electronic Specification . 1-2Measurement Setup . 1-3Service Aids. 1-4Software Version Check & Upgrade . 2-1Malfuction Check Chart . 2-2Disassembly Diagram. 3-1Block Diagram . 4-1Wiring Di

2、agram . 4-2Display Board . 5Circuit diagram . 5-1Layout diagram . 5-2Small Board. 6Circuit diagram . 6-1Layout diagram . 6-1Decoder Board . 7Circuit diagram . 7-1 to 7-7Layout diagram . 7-8C024_TX-Transmit Board . 8Circuit diagram . 8-1 to 8-3Layout diagram . 8-4C001SWF_RX-Receive Board . 9Circuit d

3、iagram . 9-1 to 9-3Layout diagram . 9-4Power .10Circuit diagram . 10-1Layout diagram . 10-2AMP Power Board .11Circuit diagram . 11-1 to 11-2Layout diagram . 11-3Explode View . 12-1Service Partlist . 13-1 to 13-2Factory Partlist . 14-1 to 14-5Instruction On CD Playability . 1-5 to 1-6Version 1.1Versi

4、on list . 15-1Location of PC BoardsVERSION VARIATIONS:Type /Versions:FeaturesBoard in used:MCD388Service policySTANDBY BUTTON BOARDDISPLAY BOARDDECODER BOARDOPEN/CLOSE BUTTON BOARDLAMP BOARD-1LAMP BOARD-2POWER BOARDRADIO TRANSMIT BOARDRADIO RECEIVE BOARD AMP POWER BOARDUSB BOARD* TIPS : C - Componen

5、t Level Repair.M - Module Level Repair- Used/55/55/58/58/61/61/79/79/93/93/94/94/96/96/98/98/37/37/12/12/05/05Feature diffrenceRDSTDSMMMMMMMMCMMMMMMMMMMCMMMMMMMMMMCMMMMMMMMMMCMMType /Versions:MCD388C024-TX-Transmit BoardPower Board DVD Decoder BoardDisplay BoardFunction Button Board1-1VOLTAGE SELECT

6、ORECO STANDBY - DARK1-2Electronic SpecificationAMPLIFIERRated Output Power . 20W 2 + 60W RMS Signal-to-noise radio . 67dBAFrequency response . 20Hz 3dB20KHzyAux Input . 0.5V RMS 20K ohmDISCLaser Type . SimeconductorDisc Diameter . 12cm/8cmSupport Disc .CD-DA,CD-R,CD-RW,MP3,DVD,DVD-RW,DVD+RWAudio DAC

7、 .1kHzTotal Harmonic Distortion . 65dBA.TUNERFM Tuning Range . 87.5 - 108 MHzTuning firid . 100K/50KHzSensitivity Mono, 26db S/N Ratio . 5uV. Stereo, 46db S/N Ratio . 100uV.Selectivity . 28dbImage Rejection . 25dbTotal Harmonic Distouion .2%Signal to Noise Ration .55dBASPEAKERSSpeaker Impedance . 4o

8、hm.Speaker Driver, base .3”Speaker Driver, tweeter . NAFrequency Response . 20Hz 3dB20KHzGENERAL INFORMATIONTotal Output power .100W RMSAC Power .230V / 50Hz.Operation Power Consumption . 22WStandby Power Consumption . 10wEco Standby Power Consumption .1WHeadphone Output .215mV 32ohmUSB Direct . Ver

9、sion 2.0Dimensions Main unit (w x h x d) .525x90x200mm Speaker box (w x h x d) . NA SUBwoofer(w x h x d) .170x197x302mmWeight With Packing . 8KG Main Unit .2.4 KG Speaker box . NA. SUBwoofer. 4.5KGSpecifications and external appearance aresubject to change without notice.1-3LF Generator e.g. PM5110R

10、ecorderUse 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 UPM550with FF-filterS/N and distortion metere.g. Sound Tech

11、nology 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 (MW,LW)To avoid atmospheric interference all AM-measuremen

12、ts 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 Generator e.g. PM5326S/N and distortion metere.g. Sound Techn

13、ology 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 discharges (ESD).Careless handling during repair can redu

14、ce 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 require that the set be restored to its originalcondition and

15、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 playabilityNYplayabilityok ?check playabilitycheck playabilityretur

16、n setCustomer complaint“CD related problem“fast“ lens cleaning123For flap loaders (= access to CD drive possible)cleaning method 4 is recommendedINSTRUCTIONS ON CD PLAYABILITY1-Exchange CDM1 - 4 For description - see following pages1PLAYABILITY CHECKFor sets which are compatible with CD-RW discsuse

17、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 t10secondsBlack dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable timeFor all other sets use C

18、D-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 t10secondsFingerprint t10secondsBlack dot from 01:05 to 01:25 jump forward/backward (search) within a reasonabl

19、e 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. In case problems remain, the customeris requested to con

20、tact 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 CLEANINGBecause the material of the lens is synthetic and coatedw

21、ith 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 function.Clean the lens gently (dont press too hard) with a

22、 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.This to avoid that little particles make scratches onthe

23、 lens.INSTRUCTIONS ON CD PLAYABILITY1-2-1Software Version Check & UpgradeMCD388 VxxUpgrade softwareSoftware check3.Press SYSTEM on the remote controller to open menu, press Left or Right to select “PreferencePage”, TV screen shows as below:Press Up or Down to select “Default” on remote controller, P

24、ress OK to exit reset.Software upgrade finish.Input password “811502” on remote controller, TV screen showing as below:Upgrade File detected-Preference Page-TV type PALAudio CHI EnglishSubtitle CHI FrenchDisc menu CHI SpanishParental ChineseJapaneseDefault KoreanRussianTjaiUpgrade?Press PLAY to star

25、tUpgradingCPU version check1.Download the software from Philips support website1.Keep press PLAY/PAUSE and STOP buttons,plug into the power cord at the same time,TV showing as below:2.Load the Software CD Disc or USB,when it is loading,the TV screen showing as below:Waiting half to one minute,till t

26、he TV screen showing disappear.Turnoff electrical source and re-open.http:/ : Date TimeRegion codeMCD388 / xxxxmm dd yyyyhh : mm : ssxNo powerCheck if the Power Cord is connected properlyCheck if there is power at the AC outletNo soundThe speakers are connected correctlyCheck if the Main Board has p

27、rovided voltageCheck if there is outputvoltage at the Terminal Board (DC Socket)Check if there is output voltage at the Main BoardReplace a new oneSwitch to the TimerNo displayCheck if the Dc output voltage is about 27VAdjust the volume Check the files or folders inUSB or other devices do not exceed

28、 the certain limitTime/Clock does not workPlug in the power cordReset the Time/ClockNo picture when HDMI connectCheck if the HDMI cable is usable Replace a new HDMI cable Replace a new Power Board located in sub-woofer Check if the USB or other devices are connectedCheck if the USB or otherdevices a

29、re compatibleCheck if the data wire which connected to the Main Boardhas provided voltage Check the data wire which connected the Main Board,if has provided voltage Check if the Transistors have provided voltageCheck if there is voltagesupplied to the USB BoardCheck if the CPU IChas provided voltage

30、Check if the VFD Boardhas provided voltageNReplace a new Main BoardReplace a new oneNNReplace a new DC Cable NReplace a new one NReplace the IC PT6311/SC16311/CD16311NNNCheck if the CPU IChas provided voltageReplace the Main Board NNNCheck if the IC CX1117has provided voltageReplace a new one NCheck

31、 if there is voltage at the CPU ICReplace the Main Board NYYYYYYYYYYYYYYYYMalfunction Follow Check Chart2-2 2-2Replace a new oneYReplace a new oneDisassembly Diagram3-13-1A. Loose 8pcs screws (3 x 10 BA) to remove Back CabinetB. Loose 2pcs screws (3 x 8 FA) to remove Front CabinetC. Loose these 4pcs

32、 screws (3 x 10 PWA) to remove Loader Tray MechanismD. Loose 3pcs screws (3 x 10 PA) E. Loose 2pcs screws (3 x 8 PA) to remove Decoder BoardF. Loose 1pcs screw (3 x 10 PWA) to remove Power BoardG. Loose 10pcs screws (2.6 x 8 PA) to remove Display Board H. Loose 2pcs screws(3 x 8 PA) to remove TX-Tansmit BoardI. Loose 2pcs screws (2.6 x 8 PWT) to remove Display Board$%&)($*+,