Panasonic SC-H M900 Service Manual page 13

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Note:
Before installing the CD servo P.C.B., move the opti-
cal pick up towards the outer edge from the marking
(black triangle).
(Otherwise, the reset detect switch (8701) mounted
on the CD servo P.C.B. may be damage.)
aptical
pickup
2. Replacement of the Power Amplifier IC
Step 1 Followthe procedures in "Checking Procedure
for each majar P.C.B." (8tep 1 - 8tep 7).
1
SC-HM900
Step 2 Remove the wires at CP502, CP503, CN304
and W500/H500 and pull out the Main P.C.B.
CN302
CN303
CN304
W500/
H500
<J==
Step 3 Remove 4 screws fixed to the Power Ampli-
fier IC. .
Step 4 Unsolder the terminal of Power Amp IC and
replace the respective component.
ex2 ex2
Power Amp IC
IC500
(R8N313H25-P)
Power Amp IC
IC501
(R8N311W64B-P)
Q: XTBS3+8JFZ1
e: XTB3+20J
e: XTW3+15T
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