Yamaha HTR-6290 Service Manual page 130

A B C
RX-V1900/HTR-6290/DSP-AX1900
OPERATION
1
ON/OFF
Page 140 J7
to FL (1)_W9004
2
CB801
3
OPERATION (1)
4
5.0
2.9
2.9
5
0
0
6
VOLUME
7
OPERATION (2)
8
9
10
130
D E F
CB805
Page 123 G1
to DSP_W5001
CB806
Page 129 E2
to FUNCTION (2)_W301A
Page 128 M3
to FUNCTION (2)_W301B
(Writing port)
CB807
Page 134 C2
to A-VIDEO_W2002
CB803
Page 141 K3
to FL (2)_CB971
CB804
L1
to OPERATION (4)_CB810
OPERATION (3)
G H I
5.0
IC802 4.3
5.0
4.3
0
4.3
0
5.0
0
0
JK801
0
0
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
0 JK803
0
0
IC801
0
0
0
IC801
0
-10.6
J K L
F9
to OPERATION (3)_CB804
OPERATION (4)
Page 140 J7
to FL (1)_W9003
CB812
OPERATION (5)
MASTER
ON/OFF
CB809
OPERATION (6)
Page 140 J4 R, T, K, A, B, G, E, L, J models
to FL (1)_W9002
CB814
Page 142 F9
to NET_W603
OPERATION (7)
R, T, K, A, B, G, E, L, J models
IC802: SN74AHCT1G32DCKR
IC801: NJM4565M
Single 2-input positive-OR gate
Dual operational amplifier
V+
A 1 5 Vcc
8
B 2
GND 3 4 Y
2, 6
–INPUT OUTPUT
1, 7
+INPUT
3, 5
V–
4
M N
USB
CB811
W801
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 4 5 + IN2
EE