Circuit Diagram (Control3 (3/3)); Amp - Yamaha STAGEPAS 500 Service Manual

A B
STAGEPAS 500 CIRCUIT DIAGRAM 2/9 (CONTROL3 (3/3))

AMP

CONTROL3 (3/3)
1101 (Page 11: B-3)
C D
See Page 11.
(L ch)
1100 (Page 11: B-1)
OP AMP
OP AMP
2/2 2/2
OP AMP
OP AMP
1/2
1/2
N.M: not installed （未実装）
E F
AMP (R ch)
1101 (Page 11: B-3) 1100 (Page 11: B-1)
2SC2412K(AAX45980) DTC144EKA (WJ613900)
DIGITAL TRANSISTOR
TRANSISTOR
CONTROL3 (3/3): Q541-543, 545, 548,
CONTROL3 (3/3): Q554
550, 552, 553, 555
3
3
2
1
R OUT
1
IN
1
2
3
R 2
1 1: BASE GND 1: GND
2: IN
2: EMITTER OUT
IN
2 3: OUT
3: COLLECTOR GND
STAGEPAS 500 CIRCUIT DIAGRAM 2/9 (CONTROL3 (3/3))
G
STAGEPAS 500
See Page 11.
R to JACK-JK106 (R ch)
(Page 12: B-2)
SPEAKERS
L to JACK-JK106 (L ch)
(Page 12: B-4)
ZA1G3A00203
3
DTC114EKA (WJ614000) 2SA1037AK (AAX63710) KTC2026 (WJ612600)
DIGITAL TRANSISTOR TRANSISTOR TRANSISTOR
CONTROL3 (3/3): Q544, 546, CONTROL3 (3/3): Q556, 557
CONTROL3 (3/3): Q549, 558, 559
547, 551
3
3
2
1 1
1 2
3
R OUT
1
IN 2
2
3
R 2
1 1: BASE
GND 1: GND 1 1: BASE
2: IN 2: EMITTER 2: COLLECTOR
OUT
IN
2 3: COLLECTOR 3 3: EMITTER
3: OUT
GND
H
1
2
3
4
5
6
5