Yamaha RX-A710 - Page 142

A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
143
VIDEO 3/3
RX-V671/HTR-6064/RX-A710
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
W3601
CB391
JK391
IC391
IC391
IC381
IC381
CB383
CB381 CB382
W3804A
W3803A
W3802A
W3801A
W3804A
W3805B
W3805A
W3803A
W3802A
W3801B
JK361
JK362
W3701B W3702B
W3701A
CB372 CB373
W3702A
CB376 CB377
CB375
W3704
W3705B
W3705A
W3703
IC371
IC372
IC374
IC373
CB374
CB371
IC381: NJM2068MD-TE2
Dual operational amplifier
OUT1
OUT2
–IN1
+IN1
+IN2
-IN2
–VCC
+VCC
1
2
3
4
8
7
6
5
+
–
+
–
IC391: TC74VHCU04FT
Hex inverters
VCC
6A
5A
4A
6Y
5Y
4Y
GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC373: TL431ACLPR
Adjustable precision shunt regulators
Vref
REF
CATHODE
ANODE
IC371: STR2A153
Switching regulator
UVLO REG
OCP
LEB
Drain Peak current
Compensation
Feedback
Control
Slope
Compensation
OLP
VCC
OVP TSD
DRV
PWM OSC
SQ
R
VREG
STRATUP
1
S/OCP
2
VCC
4
FB
5-8
D/ST
3
GND
VIDEO (4)
VIDEO (8)
VIDEO (6)
VIDEO (2)
VIDEO (3)
R, T, A, B, G, F, L, S models
U, C, T, A, B, G, F, L models
R, S models
VIDEO (5)
B, G, F models
VIDEO (9)
R, S models
VIDEO (10)
to POWER TRANSFORMER
to POWER TRANSFORMER
AC IN
PHONO
REMOTE
S VIDEO
VOLTAGE
SELECTOR
to DIGITAL (1)_CB82
Page 131
J8
to DIGITAL (1)_CB947
Page 134
M8
to DIGITAL (1)_CB948
Page 134
B7
to OPERATION (2)_CB456
Page 136
K9
to DIGITAL (1)_CB23
Page 128
A1
5 k-ohms
10 W
Notes)
Safety measures
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