Yamaha RX-V3900 Service Manual

IC72
IC74
IC71
CB71
W701 W703 W702
CB61
CB63
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I J K
L MN
RX-V3900/DSP-AX3900
170
DCCNVT
0 0
0.2
0.2
2.3
4.3
4.3 2.8 2.8 6.5
5.0
1.3
0
3.7
2.3
20.4
5.0
5.0
1.2
0 0
13.7 13.6 20.4
5.0
7.0
2.2
0.8
3.3
0
4.3
5.0
3.7
0.8
13.6
2.2
0.7
20.4
5.0
0.8
4.3
0
2.0
5.0
9.3
2.5
2.0
0
0 4.3 2.0 2.5
2.0
20.4 20.4
20.4
0
4.3
2.3
2.0 20.3 20.3 0 0 6.5
5.4 0
3.7
20.4
4.3 4.3
20.4
20.4
20.4
20.4
20.4
9.3 5.4
5.0
5.0
20.4
5.0
5.0
1.1
1.3
0
0
13.5 13.5 20.4
5.0
7.6
2.2
0.8
3.3
0
8.1
5.0
3.1
0.8
13.5
2.2
0.7
20.4
5.0
0.8
4.1
0
2.8
5.0
9.3
3.5
7.6
2.8
0
0 4.1 2.8 3.5
2.8
20.4 20.4
20.4
6.6
0
6.5 8.1 0
3.1
20.4
6.6 6.6
20.4
20.4
20.4
20.4
20.4
9.3
No replacement part available.
サービス部品供給なし
DCCNVT (1)
DCCNVT (2)
NETWORK
No replacement part available.
サービス部品供給なし
IC71, 74: BD9011EKN-E2
Dual synchronous DC/DC converter controller
31
30
28
27
29
24
10 32
25
26
21
19
20
12
18
Slope
UVLO
QQ
QQ
Reset Reset
Reset
Sequence DET
Sequence DET
Reset
Set Set
Set Set
PWM
COMP
PWM
COMP
VREGS
ErrAmp
ErrAmp
2.7V
0.8V 0.8V
0.56V 0.56V
OCP
UVLO
5V Reg
VREG5
VCCCL2
CL2
BOOOT2
OUTH2
OUTL2
DGND2
FB2
SS2
COMP2
DET2 EN2 EN1 GND DET1
COMP1
DGND1
OUTL1
OUTH1
BOOT1
CL1
VCCCL1
LLM
VREG33
SYNCRTVCCSTBEXTVCC
VREG5A
SW1
SS1
FB1
LOFF
SW2
3.3V Reg
OCP
TSD
UVLO
TSD
UVLO
DRV
SW
LOGIC
Slope
14 11 9
7
8
6
2
3
4
1
36
35
34
33
17
5
13
Set
Reset
Set
Reset
DRV
SW
LOGIC
TSD OSC
SYNC
TSD
B.G
15 1622
1
3
2
5
4
GND
V
CC
IC72: TC7SZ02FU
2-input NOR gate
IN A
IN B
OUT Y
A
L
B
L
Y
L
HL L
HH
H
LHL
to POWER (3)_CB14
Page 154
F6
to D-VIDEO_CB108
Page 166
J3
to D-VIDEO_CB109
Page 166 J3
to D-VIDEO_CB107
Page 166 J2
to D-VIDEO_CB112
Page 166
J7

Yamaha RX-V3900 Specifications

General

Brand	Yamaha
Model	RX-V3900
Category	Receiver
Language	English