Sony STR-KM22 - Major Board and Heatsink Block Removal

STR-KM22/KM55/KM77
10
2-6. DSP BOARD, SURR BACK AMP BOARD, MAIN BOARD, HEATSINK BLOCK
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front side
SURR BACK
AMP board
pin, lead
MAIN board
A
A
B
B
C
C
qf heatsink block
qs two screws
(+BVTP 3 u 8)
qd MAIN board
qa Remove the
forty-two solders.
(KM55, KM77)
6 Remove the
twelve solders.
4 wire is removed
from pin, lead.
7 two screws (+BVTP 3 u 8)
5 CN406 (11P)
9 two screws
(+BVTP 3 u 8)
3 CN405 (4P)
0 bracket (L)
8 SURR BACK AMP board
2 DSP board
(KM77)
1 four screws
(+BVTP 3 u 8)
(KM77)
(KM77)
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qa Remove the
thirty-six solders.
(KM22)