A
1
2
3
4
5
6
7
8
9
B
C
D
E
F
G
H
I
J
K
L
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
SCHEMATIC DIAGRAM (INPUT)
E-55/J-51
★
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.
LA7956
1
9
NJM7805FA
NJM7812FA
1: OUT
2: COM
3: IN
NJM79M12FA
1: COM
2: IN
3: OUT
LC78212
1
15
30
µ
PC4570HA
1
9
LC72722
1
12
24
M5220L
1
8
1SS133
1SS176
HZS11B2TD
MTZJ5.6B
Anode
Cathode
S1VB20
–
+
~
~
1
15
30
LC78211
LC78213
2SC1815
2SC2878
E C
B
2SC1740S
DTA144ES
E C
B
2SA1708
2SC4488
E
C
B
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
INPUT SELECTOR
E-56/J-52
I2
E-56/J-52
G5
E-56/J-52
C6
E-57J-53
F1
E-56/J-52
A4
E-56/J-52
G3
E-56/J-52
G6
E-56/J-52
C6
x: NOT USED
O: USED / APPLICABLE
0.22/50
2200P/16
0.01/16
0.01/16
1P82
1P82
Point
1
Pin 12 of IC445
0
0
0
0
0
0
23.7
23.7
0
2.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
-24.2
-24.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-11.7
0
0
0
2.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0
0
0
0 0
0
0
0
0
0
0
12.0
-12.0
0
0
-11.9
0
0
0
0
-11.9
-11.9
-11.9
-11.7
0
0
0
0
0
12.0
-12.0
0
0
0
0
0
12.0
-12.0
5.0
-11.9
-11.9
4.8
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
-11.9
0
0
-11.9
0
0
0
0
-11.9
-11.9
0
0
-11.9
0
0
0
0
-11.9
-11.9
0
0
-11.9
0
0
0
4.8
5.0
-11.7
4.8
5.0
-11.9
4.8
5.0
-11.9
4.8
5.0
-11.9
0
0
6.1
6.1
4.8
3.8
3.8
3.8
3.8
11.9
0
0
6.1
11.9
6.1
5.4
6.7
0
7.2
-11.9
-21.3
0
11.9
20.7
0
12.0
20.7
24.1
-23.6
-32.0
24.7
24.7
0
-24.7
-24.2
31.6
0
5.1
11.2
0
4.9
5.1
0
0
-21.4
20.8
0
0
-32.9
32.2
10.6
0
AC
32.2
AC
48.9
AC
10.0
MAIN L
REAR L
CENTER
0
0
0
0
0
12.0
-12.0
4.7
5.7
0
5.7
11.8
3.5
2.9
2.1
2.1
4.3
0
0 0 0 0
4.7
4.7
1.8
1.7
0
0
2.1
2.0
11.8
1
C369
10/25
0.1
W401
C411
390
390
C515
2.2/50
R583
470