Aiwa-FXR20-tape-维修说明书手册含电器原理图

It's FreeAIWAS/M Code No.84-031DATE OF ISSUE 11/1984SERVICE MANUALM▣DEL NO.STEREO CASSETTE DECKFX-R20Free service manualsGratis schema'sDigitized bywww.freescrvicemanuals.infoTYPE.YSPECIFICATIONSTypeStereo cassette tape deckMotorDC ServomotorTrack format4 tracks 2 channelsHeadsRecord/playback head:DX headFrequencyErase head:Double-gap ferriteresponseMETAL tape:20-15.000HzheadCrO2 tape:20-14,000HzDimensions330W)×111,.5(H)×206(D)mmNORMAL tape:20-13.000HzWeight2,7kgSignal-to-noiseDesign and specifications are subject to change with-ratio60 dB(METAL tape DOLBY NR ON)out notice.Wow and flutterAccording to DIN 45 500 0.2%0.1%(WRMS)Noise reduction manufactured under license fromTape speedDolby Laboratories Licensing Corporation.4.8cm/sec.(1-7/8ips)Recording system AC bias(frequency 85 kHz)'Dolby"and the double-D symbol are trade marks ofErase systemAC eraseDolby Laboratories Licensing Corporation.Follow the instructions carefully,which will allow the user to optimise the products'performanceand give many years of serivce.1.No illegibility shall be given to the specification plate,the cau.4.General instructions for mechanism repairtion labels,the fuse labels and others.2.When,on pattern sides of circuit boards,additional repair-parts1)The heads,capstan and pinch roller shall be cleaned of goodquality alcohol after repaired,because dirty heads shall causehave been made up,the parts shall be firmly glued to circuitdistorted sounds while'dirty capstan and pinch roller shallboards or other components,unless the parts can be attachedoccur wow/flutter and take-up fault.firmly.2)When oiling.only one or two drops shall be applied so as3.The following matters shall be maintained as they are,whennot to run over and be dispersed.Note should be taken of therepairing.metal fitting for the capstan and rotating portions of the1)Soldering of lead-wire endsidlers and pinch roller,especially.Care should be taken of the space distance in an a.c.pri-mary circuit as well as soldering.3)E-rings and poly slider washers shall be replaced with new2)Wiring and holding of lead-wires with wire-clips and bindersones,if once those have been removed.-No re-utilizationdue to unreliability3)Materials of lead-wires"e.g.;For UL models,lead-wires to be used shall be ap4)Regular spare-parts shall always be used for repair,becauseusing irregular parts and tampering with the products shallproved or accepted by the UL.cause deterioration,mulfunction and damage.4)Location of all kinds of insulators