58
Caution: During assembling, ensure the P.C.B. is seated
properly at the locators.
9.15. Replacement of Audio Digital
Power Amp IC (IC5000)
9.15.1.
Disassembly of Audio Digital
Power Amp IC (IC5000)
• Follow (Step 1) to (Step 3) of Item 9.3.
Step 1 Cut the 5 connecting points as indicated in the diagram.
Step 2 Detach the marked portion from the bottom chassis.
Step 3 Desolder pins of the Audio Digital Power Amp IC
(IC5000) on the solder side of D-Amp P.C.B.
Step 4 Remove 1 screw from the TR spring.
Step 5 Remove the TR spring in the direction of arrows.
Step 6 Remove the Audio Digital Power Amp IC (IC5000) from
the heatsink unit A.
Caution: Handle the heatsink unit A with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Note: Refer to the diagrams of D-Amp P.C.B. (Item 18.4.) for
location of the electrical components.
Содержание SA-PT470EB
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