Panasonic SA-PTX7P, Service Manual

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Disassembly of Digital Amp IC (IC102)
Step 3 Desolder pins of the digital amp IC (IC102) on Audio
P.C.B.
Step 4 Remove the digital amp IC (IC102) from Audio P.C.B.
Caution: Handle the heat sink unit with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Note : For disassembly of digital amp ICs (IC103 & IC104),
repeat the (Step 1) to (Step 4). Refer to the diagrams of Audio
P.C.B. (Item 11.15.) for location of the parts.
11.17. Replacement of Regulator
Transistor (Q113)
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Follow (Step 1) to (Step 3) of Item 11.3.
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Follow (Step 1) to (Step 2) of Item 11.4.
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Follow (Step 1) to (Step 9) of Item 11.7.
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Follow (Step 1) to (Step 7) of Item 11.14.
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Follow (Step 1) to (Step 6) of Item 11.15.
Step 1 Desolder pins of the regulator transistor (Q113) on the
reverse side of Audio P.C.B.
Step 2 Remove 1 screw from the regulator transistor (Q113).
Step 3 Remove the regulator transistor (Q113) from the
heatsink (S2).
Caution: Handle the heatsink with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
Note : Refer to the diagrams of Audio P.C.B. (Item 11.15.) for
location of the part.
11.18. Disassembly of DVD
Mechanism Unit
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•
Follow (Step 1) to (Step 3) of Item 11.3.
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Follow (Step 1) to (Step 2) of Item 11.4.
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Follow (Step 1) to (Step 9) of Item 11.7.
Step 1 Remove 2 screws from the DVD mechanism unit.
Step 2 Detach FFC cable from the connector (CS901) on Tray
Loading P.C.B.
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SA-PTX7P