10.15. Checking Procedure for Each
Major P.C.B.
10.15.1. Replacement of the Power
Amplifier IC
· Replacement of the Power Amplifier IC
· Follow the (Step 1) - (Step 6) of Item 10.2.
· Follow the (Step 1) - (Step 4) of Item 10.3.
· Follow the (Step 1) - (Step 2) of Item 10.8.
· Follow the (Step 1) - (Step 4) of Item 10.11.
Step 1 Remove 5 screws.
Step 2 Unsolder the terminals of Power Amp IC (IC300, IC500)
and replace the component.
Step 3 Unsolder the terminals of Transistor (Q503) and replace
the component.
10.16. Procedures of Replacing
Traverse Base (Unit), Driving
Gear, and Cam Gear (CD
Mechanism Unit)
10.16.1. Disassembly of the Disc Tray.
· Follow the (Step 1) - (Step 6) of Item 10.2.
· Follow the (Step 1) - (Step 4) of Item 10.3.
· Follow the (Step 1) - (Step 4) of Item 10.6.
· Follow the (Step 1) - (Step 2) of Item 10.8 .
· Follow the (Step 1) - (Step 4) of Item 10.10.
· Follow the (Step 1) - (Step 2) of Item 10.14.
19
SA-PM21PC