Philips-MCD-288-E-Service-Manual电路原理图.pdf
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1、Location of PCBS . 1-1Specifications . 1-2Measurement Setup . 1-3Service Aids, Safety Instruction, etc. . 1-4Instructions On CD Playability . 1-5 to 1-6Software Version Check & Upgrade . 2-1Malfuction Check Chart . 2-2Disassembly Diagram . 3-1Block Diagram . 4-1Wiring Diagram. 4-2Display(VFD) Board
2、. 5Tuner Board . 6USB Board . 7Power Board(In SW box). 8Decode Board . 9Explode View . 10Service Partlist . 11Factory Partlist . 12TABLE OF CONTENTS2008Published by DB 0946 Service Audio Printed in The Netherlands Subject to modification 314178532350LOCATION OF PCBS1-1HEADPHONE BOARDDISPLAY BOARDDEC
3、ODE BOARDVERSION VARIATIONS:Type /Versions:Features &Board in used:MCD288E/12Service policyDISPLAY BOARDTUNER BOARDHEADPHONE BOARDUSB BOARDPOWER BOARDDECODE BOARD* TIPS : C - Component Lever Repair.M - Module Lever RepairX - Not need repair(only for reference)CMMMXMAmplifierRated output power .2 x 2
4、0W + 50W RMSFrequency response (L/R). 20 - 20000Hz(Subwoofer) . 50 - 180HzSignal to noise ratio . 65dBAux input . 1V RMS 20kohmDiscLaser type . SemiconductorDisc diameter . 12cm/8cmVideo decoding .MPEG-1 / MPEG-2 / DivxVideo DAC . 12BitsSignal system . PAL / NTSCVideo format . 4:3 / 16:9Video S/N .
5、48dBAudio DAC . 24Bits / 96kHzTotal harmonic distortion. 65dBATunerFM tuning range . 87.5 - 108MHzTuning grid . 50KHzSensitivity Mono, 26dB S/N ratio. 50uV Stereo, 46dB S/N ratio . 100uVSelectivity . 28dBImage rejection . 25dBTotal harmonic distortion. 55dBASpeakersSpeaker impedance (L/R) . 4 ohm(Su
6、bwoofer) . 4 ohmSpeaker driver (L/R) . 3”(Subwoofer) . 5”Frequency response . 50 - 16000 HzGeneral informationTotal output power .2 x 25W + 50W RMSACpower . 220V - 230V, 50Hz / 60HzOperation power consumption . 35WStandby power consumption . 4WEco standby power consumption . 1WComposite video output
7、 .1.0Vp-p, 75ohmHeadphone output . 2 X 15mW, 32ohmUSB direct . Version 2.0HDMI . Version 1.1Dimensions (W x H x D) Main unit . 472 x 362 x 224mm Main speaker . 140 x 220 x 33mm (each) Subwoofer . 170 x 197 x 302mm With packing . 10kg Main unit .1.35kg Main speaker . 0.37kg (each) Subwoofer . 3.12kgS
8、pecifications subject to change withoutprior notice1-2SPESIFICATIONWeight1-3LF 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
9、 4822 397 30071LEVEL METERe.g. Sennheiser UPM550with 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 ST17
10、00BFrame aeriale.g. 7122 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. PM5326Ri=50:Bandpass250Hz-15kHze.g. 712
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