ABCDEFGH I JKL
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
59
SCHEMATIC DIAGRAM (MAIN 1/2)
1
2
3
4
5
6
7
8
9
★ All voltages are measured with a 10MΩ/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
00
00
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
14.114.1
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
Page 57
to FUNCTION (1)
K4
Page 60
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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