8.2 Main Component Replacement Procedures

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1. Replacement of the Traverse Deck

Step 1 Follow the procedures in ‘Disassembly of the Traverse Unit’ ( Step 1 - Step 4 )

Step 3 Desolder the 4 legs of the 2 motors and pull out the Servo P.C.B.

Step 4 Widen the 3 bosses with a flat screwdriver and pull out the 3 pins. Then remove the Traverse Deck.

Step 5 Remove the flexible cable CN 701.

Note:

Insert a short pin into the flexible cable for traverse unit.

Step 1 Connect the FFC board.

Step 2 Install the CD servo P.C.B. in the traverse deck assembly.

Note:

Before installing the CD servo P.C.B., move the optical pickup towards the outer edge from the marking (black triangle). [Otherwise, the reset detect switch (S701) mounted on the CD servo P.C.B. may be damaged.]

2. Replacement of the Power Amplifier IC

Step 1 Follow the procedures in ‘Checking Procedure for each major P.C.B.’ ( Step 1 - Step 6 ).

Step 4 Remove the wires at CN302, CN303 and CN304 and pull out the Main P.C.B.

Step 5 Remove 4 screws fixed to the Power Amplifier IC.

Step6 Unsolder the terminals of Power Amp IC and replace the respective component.

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