Panasonic SA-PT550E, Service Manual

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· Disassembly of D-Amp P.C.B.
Step 3 Remove the wire clamper to detach FFC cable from the
connector (CN5801) on SMPS P.C.B.
Step 4 Remove the wire clamper to detach FFC cable from the
connector (CN5501) of fan unit on D-Amp P.C.B.
Step 5 Detach FFC cable from the connector (CN5050) on D-
Amp P.C.B.
Step 6 Remove 3 screws from D-Amp P.C.B.
Step 7 Remove 5 screws from the rear panel.
Step 8 Release the tab of the rear panel in the direction of
arrow.
Step 9 Remove D-Amp P.C.B.
10.17. Replacement of Digital Amp IC
(IC5000)
· Follow (Step 1) to (Step 3) of Item 10.3.
· Follow (Step 1) to (Step 9) of Item 10.16.
Step 1 Desolder pins of the digital amp IC (IC5000) on the back
side of D-Amp P.C.B.
Step 2 Remove 1 screw from the top of the heatsink unit A.
Step 3 Remove the TR spring in the direction of the arrow.
Step 4 Remove the digital 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.
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SA-PT550E / SA-PT550EB / SA-PT550EG