Aiwa-GX120-pre-维修说明书手册含电器原理图

AIWAS/M Code No.85-011DATE OF ISSUE 3/1985SERVICEMANUALMO▣ELNO.STEREO PREAMPLIFIERGX-12▣111000M▣▣ELN▣.STEREO POWERAMPLIFIERBX-12▣TYPE.HB,UB,EB,KB,ZBFollow the instructions carefully,which will allow the user to optimise the products'performance and give many years of serivce.1.No scratch and melting shall be made to covered lead-wires of an 5.After repaired,the insulation resistance or leakage current shalla.c.primary circuit including mains leads.be measured with 500 t 5V D.C and shall be not less than 1MS.2 No illegibility shall be given to the specification plate,the cau-Measuring Pointtion labels,the fuse labels and others.3.When,on pattern sides of circuit boards,additional repair-partsConnect to Chassis or Outside of Pin Jackhave been made up,the parts shall be firmly glued to circuitboards or other components,unless the parts can be attachedRating More than 1MQ/500V DCPin Jack (firmly.4.The following matters shall be maintained as they are,when⊙⊙repairing.1)Soldering of lead-wire ends*Care should be taken of the space distance in an a.c.pri-Chass1s(白)mary circuit as well as soldering.2)Wiring and holding of lead-wires with wire-clips and binders3)Materials of lead-wiresAC Power Cord(⊕】e.g.:For UL models.lead-wires to be used shall be ap-6.General instructions for mechanism repairproved or accepted by the UL.1)E-rings and poly slider washers shall be replaced with new4)Location of all kinds of insulatorsones,if once those have been removed.-No re-utilization5)Setting of voltage selector switchdue to unreliability.*Set the Voltage Selector Switch to 240V,220V,or 120V,2)Regular spare-parts shall always be used for repair,becauseAccording to your Local Voltage.using irregular parts and tampering with the products shallcause deterioration,mulfunction and damage.