10 Disassembly and Assembly of Main Component“ATTENTION SERVICER”Some chassis components may have sharp edges. Be careful when disassembling and servicing.1.-This section describes procedures for checking the operation of the major printed circuit boards and replacing themain 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.-Refer to the Parts No. on the page of “Main component Replacement Procedures”, if necessary.10.1 Disassembly flow chartThe following chart is the procedure for disassembling thecasing and inside parts for internal inspection when carryingout the servicing.To assemble the unit, reverse the steps shown in the chart asbelow.10.2 Gear for servicing (jig) Information1.-This unit has a gear which is used for checking items(Open/Close of disc tray, up/down operation of traverse unitby manually) when servicing.2.-For preparation of gear (for servicing), perform theprocedures as follows.3.-In case of re-servicing the same set, the “gear forservicing” may has been taken off because it has been used.The “gear for servicing” must be stored.· Remove the gear provided with mechanism cover asshown below.9