Yamaha Stagepas 300 Service Manual page 53

A B
STAGEPAS 300 CIRCUIT DIAGRAM 4/5 (VR)
VR
LOW
CH1
1/2
HIGH
LOW
1/2
CH2
HIGH
LOW
1/2
CH3
HIGH
LOW
1/2
CH4
HIGH
STAGEPAS 300
C D
OP AMP
NJM2068M
2/2
REVERB
LEVEL
CH 5/6
OP AMP
NJM2068M
2/2
REVERB
LEVEL
OP AMP
NJM2068M
2/2
REVERB
LEVEL
CH 7/8
OP AMP
NJM2068M
2/2
LEVEL REVERB
ON OFF
LEVEL
(MASTER)
AC/DC Voltage Level Meter
LIMITER
to INPUT-CN22 (Page 3/5: E-4)
: Mylar Capacitor（マイラーコンデンサー）
: not installed（未実装）
E F
LOW
OP AMP
NJM2068M
LEVEL
2/2
1/2
HIGH
LOW
OP AMP
NJM2068M
2/2
1/2
LEVEL
HIGH
LOW
OP AMP
NJM2068M
LEVEL
2/2
1/2
HIGH
LOW
OP AMP
NJM2068M
2/2
1/2
LEVEL
HIGH
MONITOR
OUT
1/2
SPEECH
OP AMP MUSIC
NJM2068M
MONITOR
OUT
2/2
Note: See parts list for details of circuit board component parts.
注: シート部品詳細は、パーツリストをご参照ください。
STAGEPAS 300 CIRCUIT DIAGRAM 4/5 (VR)
G H
STAGEPAS 300
to FILTER-CN28
(Page 5/5: E-5)
REVERB
(CH1~4)
1/2
OP AMP
NJM2068M
2/2
1/2
OP AMP
NJM2068M
2/2
ZA1E5A00404
4
I
1
2
3
4
5
6