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7 Disassembly and Main Component Replacement Procedures

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“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 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.

7.1 Checking for DVD B/E Module (1/2) and Power Switch P.C.B..

7.2 Checks for Panel P.C.B., DSP P.C.B., ASP P.C.B., DVD B/E Module (2) P.C.B.

7.2.1 When opening electrically

7.2.2 When opening manually

7.3 Checks for DVD Regulator P.C.B.

7.4 Checks for Input P.C.B.

7.5 Check for Power P.C.B.

7.6 Replacement of the Power IC

7.7 Replacement of DVD Traverse Unit

7.8 Disassembly and assembly of the Disc Tray

7.9 Disassembly and assembly of Mechanised Dirve part

7.9.1 Disassmbly of Mechanised Drive Part

7.9.2 Disassembly and assembly of Spindle Base Unit

7.9.3 Installation of Rotation Stopper (Semi)

7.9.4 Assembly of Mechanised Drive Part

7.10 Disassembling the Middle Chassis

7.11 Terminal P.C.B.

7.12 Traverse Gear

7.13 Optical Pickup Unit

7.13.1 Precautions in optical pickup replacement

7.14 Disassembling the Spindle Motor Unit

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