Operation Checks And Component Replacement Procedures - Panasonic SJ-MJ88 Service Manual

5. Operation Checks and Component Replacement
Procedures
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This section describes procedures for checking the operation of the major
printed circuit boards and replacing the main components.
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For reassembly after operation checks or replacement, reverse the respective
procedures. Special reassembly procedures are described only when
required.
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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 auto-adjustment".
5.1. Checking for the P.C.B.
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