Yamaha STAGEPAS 500 Service Manual page 66

A B
STAGEPAS 500 CIRCUIT DIAGRAM 5/9 (CONTROL2 (2/3) 2/2)
1
CONTROL2 (2/3) 2/2
from Page 7: G-4
2
from Page 7: G-4
3
4
to CONTROL3 (3/3)-CN542 (Page 5: A-3 )
5
6
(MY): Mylar Capacitor
N.M: not installed （未実装）
8
C
SPEECH
MUSIC
OP AMP
1/2
ORANGE
OP AMP
2/2
（マイラーコンデンサー）
D E
OP AMP
MONITOR
OUT
1/2
MONITOR
OUT
2/2
OP AMP
LEVEL
(MASTER)
AC/DC VOLTAGE LEVEL METER
STAGEPAS 500 CIRCUIT DIAGRAM 5/9 (CONTROL2 (2/3) 2/2)
F G
LIMITER
ZA1G3A00504
4
H
STAGEPAS 500
2SC2412K(AAX45980)
TRANSISTOR
CONTROL2 (2/3): Q601
3
1 2
3
1 1: BASE
2: EMITTER
2 3: COLLECTOR