JVC MX-G50 Service Manual page 39

KA9258D (IC925) : 4-ch Motor driver
28 27 26 25 24 23 22
T • S • D
1 2 3 4 5
STK402-090 (AIC2) / STK402-040 (AIC1)
1.Pin layout
STK402-090
1
15
1 2
CH1 CH1
IN NF
GND
VCC
10K
REGULATOR
10K
6 7 GND
STK402-090
+
ch.1
_
3 4 5 6 7
CH1
BIAS CH1
NC
Pre
-VE
VE
Vcc
21 20 19 18 17 16 15
VCC
10K
50K
8 9 10 11 12 13 14
+
ch.2
_
8 9 10 11 12
Vcc -Vcc CH2
CH2 Pre SUB
-VE -Vco GND
+VE
MX-G50/MX-G56
MUTE
13 14 15
CH2
CH2
NF
IN
1-39