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.
Removal of the flexible cable. Push the top of the connector in the direction of the arrow 1, and then pull out the flexible cable in the direction of the arrow 2.
Note:
Insert a short pin into the flexible cable for traverse unit.
Installation of the CD servo P.C.B. after replacement
Step 1 Connect the FFC board.
Step 2 Install the CD servo P.C.B. in the traverse deck assembly.
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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