A
1
2
3
4
5
6
7
8
9
B
C
D
E
F
G
H
I
J
K
L
AV-S77
NX-SW77 SCHEMATIC DIAGRAM (POWER)
RELAY
CONTROL
★
All voltage are measured with a 10MΩ /V DC electric volt meter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
AC Cord
AC Cord
Model
Voltage
Mark
Blue
Brown
Brown
Brown
Blue
Blue
Page 45
TO AMP
A7
Page 45
TO AMP
A3
Page 45
TO AMP
H2
Page 45
TO AMP
H4
Page 45
TO AMP
H4
IC7: NJM79M12FA
Voltage Regulator
COMMON
OUTPUT
INPUT
1: COM
2: IN
3: OUT
INPUT
OUTPUT
COMMON
IC6: NJM78M12FA
Voltage Regulator
1: OUT
2: COM
3: IN
46
2SC1740S
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
1SR139
1SS133
MTZJ5.6B
RBV-602
NJM79M12FA
NJM78M12FA
E C
B
Anode
Cathode
–
+
~
~
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
0
34.2
-34.5
0
0
0
5.5
0
5.5
11.7
5.5
0
5.5
11.7
0.7
0
0
3.0
0
2.3
11.9
24.7
-11.6
-24.9
0
0
0
24.9
-25.1
0
0
0
11.6
0
0
AC
11.4
AC
38.4
AC
51.8
AC
26.8