
A
1
2
3
4
5
6
7
8
9
B
C
D
E
F
G
H
I
J
K
L
SCHEMATIC DIAGRAM (MAIN)
E-58/J-54
RX-V520/RX-V520RDS/HTR-5450/HTR-5450RDS/DSP-AX520
MAIN L POWER AMP
MAIN R POWER AMP
REAR L POWER AMP
REAR R POWER AMP
CENTER POWER AMP
★
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.
2SA970
2SA1015
2SC1890
2SC1890A
2SC2240
E C
B
B C E
B C
E
E C
B
2SC1740S
2SA1695
2SC4468
2SD2396
PIN CONNECTION DIAGRAM OF
TRANSISTORS, DIODES AND ICS.
E
C
B
2SA1708
2SC4488
1SS133
1SS270A
1T2
HZS5B2TD
HZS12B2TD
HZS302TD
S1VB20
S5VB20
Anode
Cathode
–
+
~
~
+
–
~
~
~
POWER RELAY
E-56/J-52
C7
E-56/J-52
J5
E-56/J-52
G4
x: NOT USED
O: USED / APPLICABLE
240V
1-2/5-6
220V
2-3/6-7
110V
3-4/7-8
120V
4-5/8-1
VOLTAGE SELECTOR
1.0
-1.1
-0.4
1.0
-1.1
-0.4
52.5
0.5
1.0
52.5
0.5
1.0
52.5
0
0
0.5
-52.6
0
0
-0.5
52.2
0
0
52.5
0
0
0.5
-52.6
0
0
-0.5
52.2
0
0
-0.5
-52.6
-1.1
-0.5
-52.6
-1.1
1.0
-1.1
-0.4
52.5
0.5
1.0
52.5
0
0
0.5
-52.6
0
0
-0.5
52.2
0
0
-0.5
-52.6
-1.1
1.1
-1.1
-0.4
52.6
0.5
1.1
52.6
0
0
0.5
-52.6
0
0
-0.5
52.2
0
0
-0.5
-52.6
-1.1
1.0
-1.1
-0.4
52.6
0.5
1.0
52.6
0
0
0.5
-52.6
0
0
-0.5
52.2
0
0
-0.5
-52.6
-1.1
14.3
27.4
1.4
14.3
0
0
0.1
0
0.1
0
0.1
1.4
0.7
0
0.1
0
0.1
0.5
0.3
0.1
0
0.3
0.2
0.1
0
0
13.8
26.9
-36.1
-30.1
0
0.5
-29.4
0.7
0
0.1
0
-51.1
0
35.8
-0.1
35.8
AC
77.5
AC
56.8
0
0
52.6
(38.5)
0.8
12.8
6.8
0
12.8
6.8
0.1
0.1
-52.7
(-38.5)
AC
12.9
MAIN L
REAR L
CENTER