Replacement Of Digital Amplifier Ic (Ic403/ Ic404/Ic405) - Panasonic SA-XH20PH Service Manual

12.14. Replacement of Digital Ampli-
fier IC (IC403/IC404/IC405)
• Refer to "Disassembly of Top Cabinet".
• Refer to "Disassembly of Main P.C.B.".
12.14.1. Disassembly of Digital Amplifier IC
(IC403/IC404/IC405)
Caution: Handle the Main P.C.B. with caution due to it's
high temperature after prolonged use.
Step 1 Place Main P.C.B. on an insulated material.
Step 2 Remove 3 screws.
Step 3 Lift up Main P.C.B. as arrow shown.
Caution: Keep the Heatsink Spacers in safe place. Avoid
denting it, place it back during assembling.
Step 4 Desolder the pins of Digital Amplifier IC (IC403).
Step 5 Remove Digital Amplifier IC (IC403).
Note 1: For disassembling of Digital Amplifier IC (IC404) &
(IC405), repeat the (Step 1) to (Step 5) of 12.14.1.
Note 2: Refer to diagram of Main P.C.B. (item 18.2) for location
of part.
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