Dsp Board, Surr Back Amp Board, Main Board, Heatsink Block - Sony STR-KM22 Service Manual

STR-KM22/KM55/KM77
2-6.

DSP BOARD, SURR BACK AMP BOARD, MAIN BOARD, HEATSINK BLOCK

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