Read Sony STR-KM22 / STR-KM55 / STR-KM77 Service Manual online
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
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)
.0.0
qa
Remove the
thirty-six
solders.
(KM22)
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