Technics SE-CH530 - Operation Checks and Component Replacement; Printed Circuit Board Operation Checks; Main Component Replacement Procedures

SE-CH530
Hi Operation Check and Main Component Replacement Procedures
1. This section describes procedures for checking the operation of the major printed circuit
boards and replacing the main components.
2. For reassembly after operation checks or replacement, reverse the respective procedures.
Special reassembly procedures are described only when required.
3. Select items from the following index when checks or replacement are required.
4. Illustrated screws are equivalent to actual size.
5. Refer the parts No. on the page of “Main Component Replacement Procedures”, if necessary.
e Contents
¢ Checking Procedures for each P.C.B. Page.
1.Checking for the operation P.C.B.. eccceerecvesevccscccsecseeeeseccescescceseeceeresseseseces J
2.Checking for the MAIN P.C.B.. eeesccecccecccccccseccccervreseeesessesvscereeseseseveseseece()
¢ Main Component Replacement Procedures
1. Replacement for the power IC and regulator transistor. eccccccccccscccccsevecevesccccesccsescesese(),
Mi Checking Procedure for each P.C.B.
1. Checking for the operation P.C.B.
¢ Check the operation P.C.B. as shown below.
Pull out the front Si tt ene Operation P.C.B.
panel ass’y.
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