A
B
C
D
E
G
H
I
J
K
L
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
59
SCHEMATIC DIAGRAM (MAIN 1/2)
1
2
3
4
5
6
8
9
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
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.
IC301: STK404-120
1ch Audio Power IC
IC302, 303: STK402-120Y
2ch Audio Power IC
4
1
2
5
12
7
6
9
8
10 11
14 15
13
-11.8
0
-0.1
-0.1
40.7
-39.3
0
42.1
-41.9
-40.6
-0.1
-0.1
0
0
0
0
0
-11.8
0
0
-11.8
0
0
-11.8
0
0
-0.1
0.1
-0.1
40.7
-41.9
-39.3
0
0
0
0
0
42.1
-40.6
-0.1
-11.8
0
0
0.5
0.1
0.1
-40.6
12.0
1.2
-1.1
-41.9
42.1
0
0
0.1
0
0
42.1
42.0
0
0
41.9
0
41.8
40.7
40.7
41.3
41.3
22.3
22.3
0
0
0
0
0
41.9
0
41.9
0
0
0
0
0
0
0
0
0
0
4.9
0
0
0
0
0
0
4.9
0
0
0
0
0
40.7
40.1
40.2
1.1
39.6
39.6
0
0.1
0.1
0.1
41.9
0
0
0
0
-41.8
-41.8
-41.8
-41.8
-41.3
-41.3
-40.6
0
0
0
0
41.9
10.7
10.4
10.7
10.6
10.6
10.7
10.4
10.4
10.4
0.1
0.1
0
-10.6
-10.6
-10.6
-40.6
-30.5
-30.5
-29.8
0
14.1
0.1
0.1
42.1
0
0
-41.8
0
0.8
AC 62.1
AC 13.7
6.5
6.5
0
6.6
6.6
14.1
14.1
0
L CH POWER AMP.
R CH POWER AMP.
CENTER POWER AMP.
MUTE
MUTE
MUTE
DETECT
SPEAKER RELAY
POWER SUPPLY
POWER RELAY
x: NOT USED
O: USED / APPLICABLE
P
age 57
to FUNCTION (1)
K4
P
age 60
D1
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