Philips-MCD-110-Service-Manual电路原理图.pdf
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1、DVD Micro System TABLE OF CONTENTS3141 785 32520XL 09112008Location of PC Boards . 1-1Electronic Specification . 1-2Measurement Setup . 1-3Service Aids . 1-4Items Of Safety Attention .1-5 to 1-6Instruction On CD Playability .1-7 to 1-8Software Version Check & Upgrade . 2-1Malfuction Check Chart . 2-
2、2Disassembly Diagram .3-1Block Diagram . 4-1Wiring Diagram. 4-2USB Board .5Circuit diagram . 5-1Layout diagram . 5-1LED Display Board .6Circuit diagram . 6-1Layout diagram . 6-2Power Board .7Circuit diagram . 7-1Layout diagram .7-2Exploded View . 9-1Service Parts List . 10-1Factory Parts List . 11-1
3、 to 11-2MCD110Decoder Board .8 Circuit Diagram . 8-1 to 8-6Layout Diagram . 8-7 5HFRUGDEOH5H:ULWDEOHLocation of PC BoardsVERSION VARIATIONS:Type /Versions:FeaturesBoard in used:MCD110Service policyLED DISPLAY BOARDPOWER BOARDUSB BOARDDECODER BOARD* TIPS : C - Component Lever Repair.M - Module Lever
4、Repair- Used/55/55/58/58/61/61/79/79/93/93/94/94/96/96/98/98/37/37/12/12/05/05Feature diffrenceRDSTDSVOLTAGE SELECTORECO STANDBY - DARKCCMMType /Versions:MCD110Decoder BoardPower BoardLED Display BoardUSB Board1-1AMPLIFIERRated Output Power . NASignal-to-noise ratio . NAFrequency response . NAAux In
5、put . NADISCLaser Type . SimeconductorDisc Diameter . 12cm/8cmSupport Disc .CD-DA,CD-R,CD-RW,MP3,DVD,DVD-RW,DVD+RWAudio DAC .1KHzTotal Harmonic Distortion . 65dBATUNERFM Tuning Range . NATuning grid . NASensitivity Mono, 26dB S/N Ratio . NA Stereo, 46dB S/N Ration . NASelectivity . NAImage Rejection
6、 . NATotal Harmonic Distortion . 1%6LJQDOWR1RLVH5DWLRQG%$SPEAKERSSpeaker Impedance . NAeSpeaker Driver, base . NASpeaker Driver, tweeter . NAFrequency Response . NAGENERAL INFORMATIONTotal Output power . NAAC Power .220V / 50Hz.Operation Power Consumption . 6WStandby Power Consumption . NAEco Standb
7、y Power Consumption . 0.5WHeadphone Output . NAUSB Direct . Version 2.0Dimensions Main unit (w x h x d) . 220x90x240mm Speaker box (w x h x d) . NA SUBwoofer(w x h x d) . NAWeight With Packing . 1.8KG Main Unit .1.2 KG Speaker box . NA SUBwoofer. NASpecifications and external appearance aresubject t
8、o change without notice.1-2Electronic Specification1-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser UPM550with FF-filterwith FF-filterS/N and distortion mete.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397
9、 30071LEVEL METERe.g. Sennheiser UPM550S/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. 712
10、2 707 89001Tuner AM (MW,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. PM532605=iRBandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere
11、.g. PM2534DUTRF Generator 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).05=iRTuner FMMeasurement Setup1-4 INFORMATION ABOUT LEAD-FREE SOLDERING GB WARNINGAll ICs and many other se
12、mi-conductors aresusceptible to electrostatic discharges (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.ESD
13、CLASS 1 LASER PRODUCT GBSafety regulations require that the set be restored to its originalcondition and that parts which are identical with those specified,be usedSafety components are marked by the symbolPhilips CE is producing lead-free sets from 1.1.2005 onwards. Regardless of special logo(not a
14、lways indicated) one must treat all sets from onwards,according next rules: IDENTIFICATION: !.Lead free 1 Jan 2005 Service Aidstems of Safety Attention1-5Attention: Please read tems of Safty Attention carefully. f there are une pected conflicts between safefy attention and maintenance attention, ple
15、ase abide to safety attention Safety first.Common Maintenance AttentionBefore operating, please unplug the AC power cord from the outlet.a) Disassemble any parts.b) Cut-off or re-connect plug and other inserting parts.c) hen electrolysis capacitance and test parts is parallelconnected, anti-polarity
16、 and wrong replace will causee plosion.Do not spray chemical on the component system, surroundings and any parts.Clean the electric unction with a cotton stick which is with cleaning mi ture, e cept there is other demand in this manual. Please notes:t is a kind of inflammable mi ture.Do not use lubr
17、icant to the soldering point, e cept there is other demand in this manualCommon ControllingDuring maintenance, please take common controlling to protect component system and electronic parts and prevent damages to the circuit due to improper operation.Led out wire should be kept away from high-press
18、ure or high-temperature parts.ESSome semi-conductor parts are easily damaged by static charges, these parts are called ES. They are mainly the cores of transistor lead identification. The following technical ways can be used to reduce the damages by static charges.Before connecting semi-conductor or
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