5.Operation Checks and Component Replacement Procedures
-This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.
-For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required.
-After replacing the main components (optical pickup or traverse motor, etc.) of mechanism unit block, change to the adjust mode, and then perform the “ROM/RAM
5.1. Checking for the P.C.B.
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