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Yamaha RX-V440RDS Service Manual Page 86

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RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
A
1
2
3
4
5
6
7
8
9
BCDEFGH I JKL
86
SCHEMATIC DIAGRAM (MAIN)
★ All voltages 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.
IC401: LM61CIZ
Temperature Sensor
Vout
+Vs
GND
IC402: NJM7812FA
IC404, 406: NJM7805FA
Voltage Regulator
INPUT
OUTPUT
COMMON
IC403: NJM79M12FA
IC405: NJM79M05FA
Voltage Regulator
COMMON
OUTPUT
INPUT
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
to FUNCTION (6)
Page 82 F2
Page 88
to POWER (1)
to MAIN (1)
A6
to FUNCTION (4)
Page 82 A7
to MAIN (3)
to FUNCTION (4)
Page 82 A6
to POWER (2)
Page 88 D2
to MAIN (3)
to POWER (1)
Page 88 D1
to POWER (1)
Page 88 D5
x: NOT USED
O: USED / APPLICABLE
SPEAKER RELAY
REGULATOR
REAR C POWER AMP
MAIN L POWER AMP
REAR L POWER AMP
REAR R POWER AMP
CENTER POWER AMP
MAIN R POWER AMP
to Power Transformer
to Power Transformer
C8
to MAIN (1)
E3
H4
H4
MAIN L
REAR L
CENTER
1.0
1.0
0.5
-0.6
-1.1
-0.6
-46.4
-47.6
-0.6
47.5
47.5
0
0
0
0
0
0
47.2
-47.6
-47.6
-1.1
-1.1
1.0
1.0
-0.6
-47.6
47.5
0.5
-0.6
-47.6
-0.6
0
0
-47.6
47.5
47.2
0
-1.1
-46.2
-47.6
47.5
47.5
0
0
-0.6
-0.6
0.6
-0.6
0
0
0
47.2
0
0.6
-1.1
1.0
1.0
-0.6
0.5
0
0
0
1.0
-47.5
-47.5
0
-47.5
-47.5
-47.3
47.5
0.5
-0.5
-47.6
-32.9
-32.9 -32.4
-32.2
-22.5
47.5
0
0
-47.6
-47.0
-47.3
-47.5
1.0
-1.1
0.5
0
0
0
0
47.2
-0.5
-47.5
-47.5
0
0.2
0.2
-1.1
-1.1
-46.4
1.0
-1.1
-46.4
-0.6
-47.6
-0.6
-0.6
-1.1
-1.1
1.0
1.0
0.5
0.5
0.5
-0.6
-0.6
-1.1
-1.1
0
47.2
47.5
0
4.7
0
00
0.5
0.5
0.5
0
0.5
0
0.5
0
0.5
0
0.5
0
0
4.7
0
47.5
47.5
49.4
0
0
0
0
0
0.5
0.5
24.1
12.1
0.1
0.7
0
32.2
-28.2
0.1
0.7
33.4
33.4
24.1
12.1
0.1
32.7
12.1
32.2
32.2
0
0
0
0
0
-28.8
-28.8
0
0
24.1
33.4 -0.1
-0.1
-0.1
-0.1
33.4
-33.4
-33.4
0
0
-47.6
(-34.2)
47.5
(-34.3)
AC
70.7
AC
50.7
0.9
4.8
0
0.4
0
-46.4
-0.5
-0.5
47.2
0
47.4
0
0
0
0.4
0.4
-47.6
-47.6
0
0
47.5
47.5
0
0
0
-0.1
0
0
10.6
-11.8
-0.1
10.1
0
4.9
10.6
0
4.9
18.9
0
11.7
-20.4
0
-12.1
-11.6
0
-5.0
-0.1
19.2
-20.4
0
1.0
1.0
0
AC
30.9
AC
18.3
4.7/50
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