Yamaha RX-V1500, Руководство по обслуживанию

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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 (POWER)
83
★
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.
IC21, 22, 25: NJM7805FA
IC23: NJM7812FA
Voltage Regulator
INPUT
OUTPUT
COMMON
IC24: NJM79M12FA
IC26: NJM79M05FA
Voltage Regulator
COMMON
OUTPUT
INPUT
x: NOT USED
O: USED / APPLICABLE
P
age 80 to FUNCTION
M5
FRONT L PRE AMP
FRONT R PRE AMP
SURROUND R PRE AMP
SURROUND L PRE AMP
CENTER PRE AMP
SURROUND BACK L
PRE AMP
SURROUND BACK R
PRE AMP
POWER RELAY
VOLTAGE SELECTOR
REGULATOR
REGULATOR
P
age 80
to FUNCTION(1)
G1
P
age 77
to DSP
F1
to Power Transformer
to P
o
w
er
T
ransf
or
mer
to P
o
w
er Cab
le
to P
o
w
er
T
ransf
or
mer
Page 84
to VIDEO (4)
H6
P
age 82
to MAIN (3)
B9
P
age 82
to MAIN (2)
A3
P
age 84
to VIDEO
(2) F3
P
age 82
to MAIN (4)
A5
P
age 82
to MAIN (1)
I9
P
age 80
to FUNCTION(1)
M6
P
age 82
to MAIN (2)
A2
P
age 81
to OPERA
TION (1)
A2
to P
o
w
er
T
ransf
or
mer
to Fan
CENTER
56.7
57.3
1.0
0
56.8
-0.6
56.7
-0.6
0
0
56.8
57.3
1.0
56.8
57.3
1.0
0
56.8
-0.5
57.4
-0.5
0
0
56.8
-0.5
57.4
-0.5
0
56.7
57.3
1.1
0
56.7
-0.6
56.8
-0.6
0
0
0
0
56.8
57.3
1.0
0
56.8
-0.6
0
44.3
0
44.3
0.1
0
4.6
0.7
3.6
3.4
8.5
0.1
3.4 8.5
0.8
0.1
0
3.4
3.4
AC
8.9
0
8.5
3.4
AC 30.0
-0.1
-0.1
-19.2
18.5
-0.2
-0.2
-12.1
10.8
18.2 11.8
0
-19.1 -12.1
0
8.0 2.5
3.1
10.4 5.0
0
10.5 5.0
0
10.1 5.6
0.7
0
-11.9 -5.0
0
0
AC 19.0
AC 6.9
0
0
0
56.8
-0.6
0
0
0
0
0
56.8
57.3
1.0
0
56.8
-0.6
56.8
-0.6
0
0
0
56.8
57.2
1.0
0
-12.1
0
56.8
-0.6
57.6
57.6
57.9
58.1
58.3
0
57.9
-12.1
-57.1
-57.1
-58.2
-57.8
-58.0
-58.0
-58.2
-58.2
0 0
-57.7
-57.8
-58.3 -57.2
44.2
27.0
0
0
42.2
33.2
0
0
58.1
56.8
-0.6
0
0
0
FRONT L
SURROUND BACK L
POWER(7)
POWER(4)
POWER(3)
POWER(2)
POWER(5)
POWER(6)
POWER(1)