Power Amp - Technics SC-EH760 Service Manual

RSN311W64A
IC601
19

POWER AMP

(18)
POWER CONTROL
CIRCUIT
26
(25)
23
22
24
POWER CONTROL/
PROTECTION CIRCUIT
GND
13
21 4 10 16 7
-B2
Q551,554,555
SIGNAL
LEVEL DET
87 86
11
19 20
KEY Q901,
SWITCH D904
(S901~915)
MUTING
20
3
+B8
MUTING
CONT
D601
6
+B3
15
1
(2)
5
11
(12)
8
9
14
Q601,602
D602
SWITCH-
-B1
ING
98
LC8A524A5N28
IC901
SYSTEM CONTROL / FL DRIVE
15 89 90
12
RESET
+B9
D901
+B7
R ch
Q911
(Q912)
D974
Q902,961
-VP
RLY605
+B4
Q503,558
SWITCH-
ING
Q618
D906 D907
RELAY
DRIVE
-VP
85 51 26
6
46 72 1
18
TP
D902
+B7
HEADPHONES
SURROUND
SPEAKERS
+B11
CENTER
SPEAKERS
(8 )
HIGH
(6 )
RLY602
+B11
MID
SPEAKERS
(6 )
LOW
(8 )
Q617
RELAY
DRIVE
7