编号48：爱华Aiwa-ADR550-tape-维修图纸手册

目AIWAS/M Code No.84-005DATA OF ISSUE 2/1984SERVICE MANUALMODEL NO.STEREO CASSETTE DECKAD-R550TYPE.H,U,E,K,GFollow the instructions carefully,which will allow the user to optimise the products'performanceand give many years of serivce.1.No scratch and melting shall be made to covered lead-wires of an 6.General instructions for mechanism repaira.c.primary circuit including mains leads.1)The heads.capstan and pinch roller shall be cleaned of good2.No illegibility shall be given to the specification plate,the cau-quality alcohol after repaired,because dirty heads shall causetion labels,the fuse labels and others.distorted sounds while dirty capstan and pinch roller shall3.When,on pattern sides of circuit boards,additional repair-partsoccur wow/flutter and take-up fault.have been made up,the parts shall be firmly glued to circuit2)Lubricants been stained the surfaces of transmitting portionboards or other components,unless the parts can be attachedof the belts,idlers,capstan and pinch raller shall be removed.firmly.because slippery and faulty tape travel shall be caused.4.The following matters shall be maintained as they are.when3)When oiling.only one or two drops shall be applied so asrepairing.not to run over and be dispersed.Note should be taken of the1)Soldering of lead-wire endsmetal fitting for the capstan and rotating portions of theCare should be taken of the space distance in an a.c.pri-idlers and pinch roller.especially.mary circuit as well as soldering.4)E-rings and poly slider washers shall be replaced with new2)Wiring and hoiding of lead wires with wire-clips and bindersones,if once those have baen removed.-No re-utilizstion3)Materials of lead-wiresdue to unreliability.e.g.:For UL models.lead wires tobe used shall be ap5)Regular spare-parts shali always be used for repair.becauseproved or accepted by the UL.using irregular parts and tampering with the products shall4)Location of all kinds of insulatorscause deterioration,mulfunction and damage.5)Setting of voltage selector switchSet the Voltage Selector Switch to 240V,220V,or.120V,According to your Local Voltage.5.After repaired,the insulation resistance or leakage current shallbe measured with 500 5V D.C and shall be not less than IM.Measuring PointCoeneet to Chassis or Outsioe of Pin JookRating More than IM2/500V DCPn Jack (Chas9s(合】AC Power Cord(】