Panasonic SA-BX500PP, Руководство по обслуживанию

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Caution: Insulate Speaker P.C.B. from other parts insulating
material (e.g.: plastic).
Special Note: During reassembling procedures, ensure the
P.C.B. is seated properly at the locators.
7.7. Replacement of Digital Amp IC
(IC5000) of D-Amp B (3CH)
P.C.B.
• • • •
Follow (Step 1) to (Step 4) of Item 7.3.
• • • •
Follow (Step 1) to (Step 3) of Item 7.5.
• • • •
Follow (Step 1) to (Step 8) of Item 7.6.
Step 1 Detach 8P cable at the connector (CN5500) on D-Amp
B (3CH) P.C.B.
Step 2 Detach 17P FFC cable at the connector (CN5050) on D-
Amp B (3CH) P.C.B.
Step 3 Detach 9P cable at the connector (JW4603) on Speaker
P.C.B.
Step 4 Remove the D-Amp B (3CH) P.C.B. as arrow shown.
Step 5 Desolder pins of the digital amp IC (IC5000) on the back
side of D-Amp P.C.B.
Step 6 Remove 1 screw from the top of the heatsink unit A.
Step 7 Remove the TR spring in the direction of the arrow.
Step 8 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-BX500PP