1SS133
1SS270A
1SR139
HZS5B2TD
HZS6A3
HZS12A2TD
HZS152TD
HZS302TD
Anode
Cathode
2SA1317
2SC1740S
2SC3330
E
C
B
2SA970
2SA1015
2SC1815
2SC1890A
2SC2229
2SC2240
2SC2878
E
C B
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
A
1
2
3
4
5
6
7
8
9
B
C
D
E
G
H
I
J
K
L
SCHEMATIC DIAGRAM (MAIN)
50
CRX-E300
★
All voltage are measured with a 10M
Ω
/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.
D3SBA20
S1NB20
NJM78M05FA
NJM78M12FA
1: OUT
2: COM
3: IN
–
+
~
~
2SA1693
2SC4466
2SA1708
2SC4488
B C
E
2SD2396
B
C E
E
C
B
x: NOT USED
O: USED / APPLICABLE
MUTING
MUTING
POWER AMP
PROTECTION
RELAY
DRIVE
MUTE
DRIVE
SUB POWER SUPPLY
MAIN POWER SUPPLY
240V
1-2/5-6
220V
2-3/6-7
110V
3-4/7-8
120V
4-5/8-1
VOLTAGE SELECTOR
INPUT
OUTPUT
COMMON
IC400: NJM78M12FA
Voltage Regulator
IC401: NJM78M05FA
Voltage Regulator
V
OUT
V
IN
GND
~
+
~
–
P
age 47
to INPUT (2)
I6
P
age 47
to CD
J2
to MAIN (5)
to MAIN (1)
to MAIN (1)
to MAIN (5)
to MAIN (3)
to MAIN (1)
to MAIN (1)
to MAIN (1)
Page 48
to OPERATION
D3
P
age 47
to INPUT (1)
G6
Page 47
to INPUT (3)
B8
29.4
12.8
5.5
0
0
12.1
5.1
5.0
0.7
11.5
5.4
5.5
11.5
0
0
0
AC
11.6
AC
9.8
AC
4.3
AC
9.5
AC
44.5
0
0
29.5
-29.7
0
5.1
2.6
0
0
0
0
14.4
0
14.9
14.4
-0.1
-0.7
14.4
-30.4
-63.2
-62.7
-11.8
-12.3
-48.7
-24.2
0
-30.9
-30.9
-15.0
1.3
-14.7
1.3
0.7
0
29.4
29.5
5.1
1.6
0
28.8
29.4
5.1
2.3
0
0
0
29.2
0
0
0
0
29.5
0
0
-29.7
0.5
-0.6
-1.1
-29.7
-29.0
-29.0
-1.1
-1.1
-0.5
-0.5
0
29.5
0
-29.7
-28.4
-28.4
-1.1
-29.7
-0.6
-0.6
0
0
0
0
29.3
29.4
0
0
0.8
0.8
0
0
28.7
0.5
29.5
1.1
0.5
-1.1
1.1
-1.1
0
0
0
0.6
-29.4
0
-28.4
0.6
0.6
0.6
-28.4
-28.4
-1.1
-0.6
0.5
29.5
1.1
0
29.3
29.5
29.4
0
0
0
0
-14.8
-14.8
13.0
0
w w w
.
x i a o y
u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299