Panasonic SA-PT160E - Replacement of Regulator IC (IC2903)

9.14. Replacement of Digital Amp IC
(IC5100/IC5200/IC5300)
•
• •
• Follow (Step 1) to (Step 3) of Item 9.3.
•
• •
• Follow (Step 1) to (Step 4) of Item 9.9.
•
• •
• Follow (Step 1) to (Step 5) of Item 9.13.
Step 1 Desolder pins of the digital amp IC (IC5100) on the back
side of Main P.C.B.
Step 2 Remove 2 screws from the digital amp IC (IC5100).
Step 3 Remove the digital amp IC (IC5100) from the heatsink
unit.
Caution : Handle the heatsink unit with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
Note : For replacement of IC5200 & IC5300, repeat the (Step
1) to (Step 3). Refer to the diagrams of Main P.C.B. (Item 20.2)
for the location of the parts.
9.15. Replacement of Regulator IC
(IC2903)
•
• •
• Follow (Step 1) to (Step 3) of Item 9.3.
•
• •
• Follow (Step 1) to (Step 4) of Item 9.9.
•
• •
• Follow (Step 1) to (Step 5) of Item 9.13.
Step 1 Desolder pins of the regulator IC (IC2903) on the back
side of Main P.C.B.
Step 2 Remove 1 screw from the regulator IC (IC2903).
Step 3 Remove the regulator IC (IC2903) from the heatsink
extrusion.
Caution : Handle the heatsink extrusion with caution due to its
high prolonged use. Touching it may lead to injuries.
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SA-PT160E / SA-PT160EB / SA-PT160EG