Philips-FWM-197-Service-Manual电路原理图.pdf
《Philips-FWM-197-Service-Manual电路原理图.pdf》由会员分享,可在线阅读,更多相关《Philips-FWM-197-Service-Manual电路原理图.pdf(26页珍藏版)》请在收音机爱好者资料库上搜索。
1、Version 1.1FWM1973141 785 33521MP3 Mini Hi-Fi System-/12/05Published by LX 0942 Service Audio Subject to modification Copyright 2009 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmit
2、ted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.CONTENTSTechnical specification .1-2Version variations .1-2Service measurement setup.1-3 Service aids .1-4 Instructions on CD playability .2-1.2-2Disassembly diagram. .3-1Block
3、 diagram .4-1Wiring diagram .4-2 CD boardCircuit diagram .5-1.5-2 Layout diagram .5-3.5-4LCD boardCircuit diagram .6-1 Layout diagram .6-2.6-3Cassette boardCircuit diagram .7-1 Layout diagram .7-2.7-3AMP boardCircuit diagram .8-1Layout diagram .8-2.8-3Exploded view diagram .9-1Mechanical parts list
4、.9-2Electrical parts list.10-1.10-2 TunerFMTuning Range 87.5 - 108 MHzTuning grid 50 KHzSensitivity- Mono, 26dB S/N Ratio- Stereo, 46dB S/N Ratio45 dBMWTuning Range 531 - 1602 kHzTape deckFrequency Response- Normal tape (type I)63-8000Hz(8dB)S/N Ratio- Normal tape (type I)35dBAWow and utter 62dBDisc
5、Laser Type SemiconductorDisc Diameter 12cm/8cmSupport Disc CD-DA, CD-R,CD-RW, MP3-CD,WMA-CDAudio DAC 24Bits / 44.1kHzTotal HarmonicDistortion65dBAGeneral informationAC power 220 - 230V,50/60HzOperation powerconsumption55WStandby powerconsumption2WEco Standby powerconsumption1WUSB direct Version 2.0/
6、1.1Dimensions- Main Unit (W x H x D)- Speaker Box (W x H x D)220 x 292 x 285mm207 x 292 x 186mmWeight- With Packing- Main Unit- Speaker Box10.8 kg2.3 kg2 x 2.8 kgTECHNICAL SPECIFICATION1 - 2Type /Versions:FeaturesBoard in used:FWM197Service policyLCD BOARDRADIO BOARD* TIPS : C - Component Lever Repa
7、ir.M - Module Lever Repair - Used/05 /12 /5589/16/85/Feature diffrenceRDS & DABVOLTAGE SELECTORECO STANDBY - DARK Type /Versions:/05 /12 /5589/16/85/VERSION VARIATION39/39/CCCD BOARDAMP BOARDAMP EXPORT BOARDHEADPHONE BOARDCASSETTE BOARDLINE IN BOARDCCCCCCFWM197USB BOARD CCCCCCCCCC1-3LF Generator e.g
8、. 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 UPM550with FF-filterS/N and distortion metere.g. S
9、ound 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 (MW,LW)To avoid atmospheric interference all AM-m
10、easurements 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. So
11、und 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 discharges (ESD).Careless handling during repair
12、 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 require that the set be restored to its originalcondi
13、tion 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 playabilityNYplayabilityok ?check playabilitycheck playabi
14、lityreturn 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 pages1PLAYABILITY CHECKFor sets which are compatible with CD-
15、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 (search) within a reasonable timeFor all other
16、 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 01:25 jump forward/backward (search) within a
17、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. In case problems remain, the customeris request
18、ed 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 CLEANINGBecause the material of the lens is synthetic an
19、d 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 function.Clean the lens gently (dont press too har
20、d) 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.This to avoid that little particles make scratc
21、hes onthe lens.INSTRUCTIONS ON CD PLAYABILITY2 - 2DISASSEMBLY DIAGRAM VIEW3 - 1 3 - 1Loosen 8 screws PT312 in both sides. a.Plug in the 220V AC power cord , set the menu to “CD“ function,and press “STANDBY-ON“ button , Press “OPEN/CLOSE“to open CD door.b.Pull out CD doorc.Press “OPEN/CLOSE“ button t
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- PhilipsFWM197ServiceManual 电路 原理图