Yamaha RX-V3300, Service Manual

Page: 80 / 128

RX-V3300/DSP-AZ2
A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
80
SCHEMATIC DIAGRAM (POWER)
★
All voltages are measured with a 10M
Ω
/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.
x: NOT USED
O: USED / APPLICABLE
POWER RELAY
REGULATOR
THERMO
SENSOR
240V 1-2/5-6
220V 2-3/6-7
110V 3-4/7-8
120V 4-5/8-1
VOLTAGE SELECTOR
POWER (2)
POWER (1)
POWER (4)
POWER (3)
POWER (5)
CENTER
PRE AMP
REAR R
PRE AMP
REAR L
PRE AMP
REAR C
PRE AMP
MAIN R
PRE AMP
MAIN L
PRE AMP
IC331: LM61CIZ
Temperature Sensor
Vout
+Vs
GND
IC332~334: NJM7805FA
IC336: NJM7812FA
Voltage Regulator
INPUT
OUTPUT
COMMON
IC335: NJM79M05FA
IC337: NJM79M12FA
Voltage Regulator
COMMON
OUTPUT
INPUT
P
age 76 to FUNCTION
I3
P
age 76
to FUNCTION
I2
P
age 76 to FUNCTION
I4
Page 77
to OPERATION (4)
B9
P
age 79
to MAIN (1)
D7
P
age 79
to MAIN (1)
D4
P
age 79
to MAIN (1)
D2
Page 77
to OPERATION (1)
E1 Page 79
to MAIN (2)
A4 Page 76
to FUNCTION
I6
P
age 77
to OPERA
TION (4)
J1
P
age 79
to MAIN (1)
G6
P
age 76 to FUNCTION
I4
REAR L
MAIN L
FRONT L
FRONT L
AC 8.8
8.8
0
0
0.1
0.8
0
0.7
0
0
4.6 0.1
3.5 3.5
AC 45.2
30.0
10.4
-11.2
0
-5.1
0
5.0 5.0
5.0 1.0
0
5.0
30.0
0
30.0
30.3
0
0
0
0
10.4 10.4 10.4
-0.1
-0.1
0
21.8
-24.6
0
0
-30.3
-11.1
1.2
11.8
-12.0
0
0 0 0
AC 17.3
AC 6.8
3.8
59.7
59.7 59.7
59.7 59.7
-0.6
-50.1
-61.8
-0.6
59.7
0
0
0.3
0
59.7
59.7
60.4 60.4 60.4
3.8
59.7
59.7 59.7
59.7 59.7
-0.6
-50.1
-61.8
-0.6
59.7
0
0
0.3
0
59.7
59.7
60.4 60.4 60.4
3.8
59.8
59.8 59.6
59.8 59.8
-0.6
-50.1
-61.8
-0.6
59.6
0
0
0.3
0
59.8
59.6
60.4 60.4 60.4
3.7
59.6
59.6
59.6
59.6 59.6
-0.5
-50.1
-61.8
-0.5
59.6
0
0
0
0.3
0
59.6
59.6
60.4 60.4
61.8
61.4
60.4
3.9
59.7
59.7
59.6
61.0
60.4
61.3
0
61.2
0
0
-60.5
61.3
-60.5
-59.9
-60.7
-60.7
-60.2
-60.2
60.7
-61.8
-60.7
-59.9
-60.5
-60.5
0
0
0
61.3
60.4
61.0
61.5
4.1 0.3
0
4.0
0.1
0
0
29.9
0
4.7
0.1
0
0
30.0
0
60.7
61.0 59.7 59.7
-0.4
-50.1
-61.8
-0.4
59.6
0
0
0.3
-0.1
59.7
59.6
60.4 60.4 60.4
3.7
59.7
59.7 59.7
59.7 59.7
-0.6
-50.1
-61.8
-0.6
59.7
0
0
0.3
0
0.3
0
59.7
59.7
60.4 60.4 60.4
CENTER
0.1/100
0.1/100
0.047/100
0.047/100
UT65410
0.01/100 UT65410
0.01/100 UT65410
0.01/100 UT65410
0.01/100 UT65410
0.01/100
UU16747
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UU16747
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UU16747
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UU16747
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UU16747
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