Yamaha NHB32-C Service Manual page 49

Q P O N
Q Q
NHB32-C OVERALL CIRCUIT DIAGRAM 2/14 (MAIN)
3 7 6 3 1 5 1 5 0
1
MAIN
2
3
from C1: G9, from C2: K6
from C1: G8, from C2: K6, from C5: E11
from C1: J11
to C1: J8
to C1: J9
from C1: F3
INVERTER
4
5
T E
L 1 3 9 4 2 2 9 6 5 1 3
6
7
8
from C3: C7, from C3: F4,
from C3: K10, from C4: C3
9
10
w w w
11
未実装 : not installed (未実装)
12
NHB32-C
C2
M L K J
to C2: D2
from C1: F4
from C1: I4
CPU
to C1: J9
from C1: G8, from C2: P3, from C5: E11
from C1: G9, from C2: P3
from C1: J11
Photo Coupler
INVERTER
LINE
DRIVER
BUFFER
INVERTOR
to C4: O4 LINE
DRIVER
x a o
from C1: M2
. i
http://www.xiaoyu163.com
I H G F
from C1: J10
from C1: G9,
from C3: N5
CPU
Q Q
3 7
to C3: K9
from C3: J11
to C1: L2
SYNC.
Binary Counter
u 1 6 3
y
http://www.xiaoyu163.com
E D C
2 4
8 9 9
from C2: K2
BUS BUFFER
to C5: B4
to C5: B4
from C1: F3
to C5: B4
from C1: G8, from C5: E11
BUFFER
6 3 1 5 1 5 0 8 9
BUFFER
m
c o
.
B A
2
8 9 9
NHB32-C
2 4 9 8 2 9 9
NHB32-C