Yamaha DSP-AX740 User Manual

ABCDEFGH I JKL
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
91
SCHEMATIC DIAGRAM (MAIN)
1
2
3
4
5
6
7
8
9
★ 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
Page 92
to POWER (2)
to MAIN (1)
A6
to MAIN (3)
to POWER (1)
Page 92 D2
to MAIN (3)
to POWER (2)
Page 92 D1
to POWER (2)
Page 92 D5
x: NOT USED
O: USED / APPLICABLE
SPEAKER RELAY
MUTE
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
H4
D7
to MAIN (1)
E3
H4
RX-640/RX-V640RDS/HTR-5660/DSP-AX640: Page 85 A7
DSP-AX640SE: Page 87 A7
RX-740/RX-V740RDS/DSP-AX740: Page 83 A7
to FUNCTION (4)
RX-640/RX-V640RDS/HTR-5660/DSP-AX640: Page 85 A6
DSP-AX640SE: Page 87 A6
RX-740/RX-V740RDS/DSP-AX740: Page 83 A6
to FUNCTION (4)
MAIN L
REAR L
CENTER
1.0
1.0
-0.5
-1.0
-0.4
-54.3
-55.5
-0.4
55.5
55.5
0
0
0
0
0
0
55.4
-55.5
-55.5
-1.1
-1.0
1.0
1.0
-0.4
-55.5
55.5
0.6
-0.5
-55.5
-0.4
0
0
-55.5
55.5
55.4
0
-1.0
-55.4
-55.5
55.5
55.5
0
0
-0.5
-0.4
0.6
-0.5
0
0
0
55.4
0
0.6
-1.0
1.0
-1.0
-0.5
0.6
0
0
0
1.1
-54.3
-54.3
-1.0
0
-55.4
-55.4
-55.2
55.5
0.6
-0.5
-55.5
-39.6
-37.0 -37.5
-36.2
-22.9
55.5
0
0
-55.5
-54.3
-55.2
1.1
-1.0
0.6
0
0
0
0
55.4
-0.5
-54.3
-55.3
0
0.3
0.3
-1.0
-1.0
-54.3
1.0
-1.0
-54.3
-0.6
-55.5
-0.5
-0.5
-1.0
-1.0
1.0
1.0
0.6
0.6
-0.6
-0.6
-1.0
-1.0
0
55.5
55.5
0
4.8
0
00
0.7
0.7
0.7
0
0.7
0
0.7
0
0.7
0
0.7
0
00
4.8
0
55.5
55.5
55.4
0
0
0
0
0
0.6
0.6
0.7
0
37.0
-28.5
0.3
0.8
37.7
37.7
0.3
0
0
0
-36.5
-29.2
-29.2
0
24.8
12.7
0.3
25.3
12.7
0.3
25.2
12.7
0.3
37.0
37.0
37.0
37.7 0
0
0
0
37.7
-37.5
-37.5
0
0
55.5
(38.7)
-55.5
(-38.8)
AC
81.5
AC
57.0
0.9
4.9
0
-0.4
-1.0
-55.4
-0.5
-0.5
55.3
0
55.5
0
0
0
0.5
0.5
-55.5
-55.5
0
0
55.6
55.6
0
0
0
0.1
-0.1
-0.1
10.7
-11.7
-0.1
9.9
0
5.0
10.4
0
5.0
19.0
0
11.9
-20.5
0
-12.0
-11.5
0
-5.0
-0.1
19.8
-20.6
-1.0
1.0
1.0
-1.0
AC
31.7
AC
18.3
-11.9
0
0
-11.9
0
0
37.4 37.4
0
0
0
37.7

Yamaha DSP-AX740 Specifications

General

Brand	Yamaha
Model	DSP-AX740
Category	Receiver
Language	English