Yamaha RX-V1500, Service Manual

Page: 82 / 125

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V1500/DSP-AX1500
SCHEMATIC DIAGRAM (MAIN)
82
★
All voltages are measured with a 10M
Ω
/V DC electronic 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.
IC201, 202: LM61CIZ
Temperature Sensor
Vout
+Vs
GND
FRONT L POWER AMP
FRONT R POWER AMP
CENTER POWER AMP
SURROUND L POWER AMP
SURROUND R POWER AMP
SURROUND BACK L POWER AMP
SURROUND BACK R POWER AMP
P
a
ge 83
to PO
WER (1)
D2
P
a
ge 83
to PO
WER (1)
D5
P
age 83 to PO
WER (6)
G2
P
age 83 to PO
WER (6)
G2
to P
o
w
er
T
ransf
or
mer
P
age 79
to FUNCTION
H1
P
age 83 to PO
WER (5)
E6
MAIN(2)
MAIN(4)
MAIN(3)
MAIN(1)
MAIN(5)
1.0
1.0 5.2
0
0.8
1.0
1.0
5.2
0
0.8
-1.0
-1.0
-1.0
-57.1
1.0
58.3
58.3
-58.3
-58.3
0
0
0
0
0
0
0
58.0
0
0
1.1
-1.0
-1.0
1.1
58.3
58.3
-58.3 -58.3
-0.5 -0.5
-0.5 -0.5
0.5
0.5
0.5
0
0
0
0
0
0
0
58.0
0
0
1.1
-1.0
-1.0
1.0
58.3
58.3
-58.3
-58.3
0
0
0
0
0
0
0
58.0
0
0
1.0
-1.0
-1.0
-1.0
-57.1
-56.5
-55.9
1.0
58.3
58.3
-58.3
-58.3
-0.5
-0.5
-0.4
-0.4
0.5
0.5
0.5
0.5
0
0
0
0
0
0
0
58.0
0
0
1.0
-1.0
-1.0
1.0
58.3
58.3
-58.3 -58.3
0
0
0
0
58.0
0
0
0
1.0
-1.0
-1.0
1.0
58.3
58.3
-58.3 -58.3
-0.5
-0.5
-0.5
-0.5
0.5
0.5
0.5
0.5
0
0
0
0
0
58.0
0
0
1.0
-1.0
-1.0
1.0
58.3
58.3
-58.3
-58.3
-0.5
-0.5
0.5 0.5
0 0
0
0
0
58.0
0
0
1.0
25.4
12.8 42.9
42.9 43.5 43.5
43.5
0
0
11.0
0.2 0.2 43.5
23.0 43.5
25.7
10.6
0.2
25.7
10.6
0.1
0.1
0.1
0.8
0.8
0.2
-45.0 -33.3
0
0
58.3
43.5
-0.1
-0.1
-0.1
-0.1
43.5
-45.0
-45.0
-58.3
-33.9
0
0.1
0.8
0.2
0
0
43.5
0
AC 67.7
AC 85.7
FRONT L
CENTER
SURROUND BACK L
-56.5
-55.9
-1.0
-57.1
-56.5
-55.9
-1.0
-57.1
-56.5
-55.9
-1.0
-57.1
-56.5
-55.9
-1.0
-57.1
-56.5
-55.9
-1.0
-57.1
-56.5
-55.9