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Yamaha RX-V1800 Service Manual page 126

Av receiver/av amplifier
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A
B
C
RX-V1800/HTR-6190/DSP-AX1800
OPERATION
1
ON/OFF
2
Page 136
J6
to FL (1)_W9004
CB801
3
OPERATION (1)
4
5.0
2.9
2.9
0
0
5
VOLUME
6
OPERATION (2)
7
8
9
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# 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.
10
126
D
E
F
CB805
Page 119
F1
to DSP_W5001
CB806
Page 125
D1
to FUNCTION (2)_W301A
0
Page 124
M3
0
to FUNCTION (2)_W301B
Page 130
C2
CB807
Writing port
to A-VIDEO_W2002
CB803
Page 137
K3
to FL (2)_CB971
CB804
J2
to OPERATION (4)_CB810
OPERATION (3)
G
H
I
5.0
OPERATION (4)
IC802
4.3
5.0
4.3
0
4.3
0
5.0
OPERATION (5)
JK801
CB809
0
0
Page 136
J4
to FL (1)_W9002
JK802
PHONES
10.4
9.8
9.8
0
IC805
0
0
0
0.7
0
0
0.7
0
0
0
IC805
0
-10.0
-10.0
-10.6
10.4
OPTIMIZER
MIC
10.4
JK803
0
0
0
IC801
0
0
0
IC801
0
-10.6
J
K
L
E8
to OPERATION (3)_CB804
CB810
Page 136
J6
to FL (1)_W9003
CB812
MASTER
ON/OFF
M
N
IC801: NJM4565M
Dual operational amplifier
V+
8
2, 6
–INPUT
OUTPUT
1, 7
+INPUT
3, 5
V–
4
IC802: SN74AHCT1G32DCKR
Single 2-input positive-OR gate
A
1
5
Vcc
B
2
GND
3
4
Y
IC805: BA15218F
Dual high slew rate, low noise operational amplifier
OUT1
1
8
V
CC
– IN1
2
7
OUT2
1ch
+
2ch
+ IN1
3
+
6
– IN2
V
EE
4
5
+ IN2

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Htr-6190Dsp-ax1800

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