Philips-FWM-999-Service-Manual电路原理图.pdf
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1、Version 1.13141 785 35431Mini Hi-Fi SystemFWM999X/77X 7Published by LX 1130 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 transmitted,
2、 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.1-3 Service aids .1-4 Instructions on CD playability .2-1.2-2Block diagram .3-1Wiring diagram .4
3、-1 Disassembly diagram. .5-1.5-2Main boardCircuit diagram .6-1 Layout diagram .6-2.6-3Display boardCircuit diagram .7-1.7-2 Layout diagram .7-3.7-4USB/SD boardCircuit diagram .8-1 Layout diagram .8-2AMP BoardCircuit diagram. .9-1.9-2Layout diagram .9-3.9-4CD boardCircuit diagram .10-1Layout diagram
4、.10-2.10-3MCU BoardCircuit diagram. .11-1Layout diagram .11-2.11-3Exploded view diagram .12-1FWM998/ 55/BKSound Output Power: 14000W PMPO Total Sound Power (RMS): 1300 W Sound Enhancement: MAX Sound, Dynamic BassBoost 3 steps, Incredible Surround, Digital SoundControl 4 modes, Virtual Ambience Contr
5、olLoudspeakers Main Speaker: Bass Reflex Speaker System, 2 way,2“ tweeter Subwoofer type: Passive Subwoofer driver: 10“ woofer Number of Loudspeakers: 6Audio Playback Loader Type: 3 CD Carousel Number of Discs: 3 Playback Media: CD, CD-R, CD-RW, MP3-CD, WMA-CD, SD Card, USB flash drive Disc Playback
6、 Modes: 40-Track Programmable,Repeat/one/disk/program, Shuffle Play USB Direct / SD Modes: Fast Backward/FastForward, Play/Pause, Previous/Next, Repeat,ShuffleAudio Recording Recording Media: USB device, SD/MMC card USB recording sources: CD, Tuner, Aux, Microphone in, SD Card SD card recording sour
7、ces: Aux, CD, Microphonein, Tuner, USB device USB / SD card recording modes: Delete, Instantrecord, Progammed tracks, Schedule radioprogram, Single disc, Single trackTuner/Reception/Transmission Auto digital tuning Station presets: 40 Tuner Bands: FM, MW Tuner Enhancements: Auto Store, Easy Set (Plu
8、g &Play)Connectivity Audio Connections: RCA Aux in, 3.5mm stereoline in -MP3 link USB: USB host Microphone: Dual Microphone sockets Other connections: FM Antenna, MW AntennaConvenience Alarms: CD Alarm, Radio Alarm, USB alarm, Sleeptimer Clock: On main display Display Type: FTD Karaoke: MIC volume,
9、Echo controlAccessories Remote control: 36-key with 2xAAA batteries User Manual: Spanish, B-Portuguese Guarantee booklet: Global version Included accessories: FM/MW Antenna, Batteriesfor remote control, *Flat pin adaptor Quick start guide: Spanish, B-Portuguese Cables: MP3 Line in cableDimensions Se
10、t dimensions (W x H x D): 265 x 359 x 353 mm Main speaker dimensions (W x H x D):263 x 447 x 360 mm Subwoofer dimensions (W x H x D):337 x 491 x 360 mm Surround Speaker dimensions (W x H x D):208 x 359 x 301 mm Weight incl. Packaging: 51.57 kg Packaging dimensions (W x H x D):1085 x 562 x 786 mmPowe
11、r Power supply: 100-240VAC, 50/60HzTECHNICAL SPECIFICATION1 - 2Type /Versions:FeaturesBoard in used:FWM998Service policyMAIN BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- Used/55 /0089/39/KB/Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKType /Versions:FWM998/55 /00 /7789/
12、39/KB/VERSION VARIATIONAMP BOARD49/C/MC/MC/MC/MC/MCC/MC/MC/MC/MC/MC/M49/DISPLAY BOARDCD BOARDMCU BOARDUSB BOARDSD BOARD C/M C/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 Tec
13、hnology ST170LRDUTor Universal Test Cassette Fe SBC420 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. PM253
14、4DUTS/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 Faradays cage.Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).RF
15、Generator e.g. PM5326Ri=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.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).Ri=50:Tuner FMMEASUREMENT SET
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