Component & Vol Assy (2/4) - Pioneer VSX-AX4AVi-S Service Manual

1
3.10 COMPONENT & VOL ASSY (2/4)
(C'Site)
F
: VIDEO SIGNAL ROUTE F(C'Site)
FS(C)
: VIDEO SIGNAL ROUTE FS(C)
A
FS(Y)
: VIDEO SIGNAL ROUTE FS(Y)
V+12A
CN2503
BTEM20P-1R
V+12V
V+12V
V-12V
V-12V
GNDA
V-12A
GNDA
GNDA
MIC
GNDA
FVL
GNDA
FVR
B
GNDA
GNDA
FV
GNDV
FVY
GNDV
FVC
GNDV
GNDV
GNDAV
V+12A V+7A
Q2641
C
2SD1858X(QR)
D2517
UDZS7R5B
D2518
UDZS7R5B
GNDA
D
Q2642
2SB1238X(QR)
V-12A V-7A
CN2603
K
52045-1945
(TL)
TUNER L TUNER_L
GNDA
TUNER R
TUNER_R
GNDA
MRINL
(MR)
GNDA
MRINR
GNDA
MROUTR
E GNDA
(MR)
MROUTL
GNDA
FR
GNDA
FL
(F)
GNDA
V+7A
GNDA
V+7A
V-7A
V-7A
GNDA
F
K
2/4
44
1
2
(F)
: AUDIO SIGNAL ROUTE(F)
(C)
: AUDIO SIGNAL ROUTE(C)
(S)
: AUDIO SIGNAL ROUTE(S)
(TL)
: AUDIO SIGNAL ROUTE(TUNER)
(MR)
: AUDIO SIGNAL ROUTE(MR)
(MIC)
MIC
(FVL)
FVL
FVR
(C'Site)
F
FV
BIAMP
(Y)
FS
IC2639[A]
FVY
MRSP
(C)
FS
IC2639[B]
FVC
SB OUTPUT
GNDA
XMSB
H
IC2641[A/B] L
MR OUTPUT
XM
4/4
K 1/4
V-7A
EXTSBL
(SB)
EXTSBR
(MR)
R2699 0
R2698 0
DSPSBL
DSPSBR
DSPSTL
FRIN
DSPSTR
FLIN
GNDAT
V-7A
2
3
(SB)
(SW)
(MIC)
(FVL)
K 1/4, 4/4
CONT
H L H L
L H L H
H H L L
L L H H
GND MR BIAMP SB
BIAMPR
K 1/4
L
H
OTHERS
SB SELECT
BIAMPL
K 1/4
V+7A
42 41 40 39 38 37
43
INFRA
44
INFLA
45
INSWA
46
INSRA
47
INSLA
48
BD3813KS
INCA
49
INSBA
(SB) 6 CH E-VOL
50
INFRB
51
INFLB
(F)
52
INSWB
53
INSRB
54
INSLB
55
INCB
56
V+7A
INSBB
1 2 3 4 5 6 7
GNDA
(MR)
VSX-AX4AVi-S
3
4
: AUDIO SIGNAL ROUTE(SB)
: AUDIO SIGNAL ROUTE(SW)
: AUDIO SIGNAL ROUTE(MIC)
: AUDIO SIGNAL ROUTE(VIDEO2)
K
V+7A
V-7A
(SB)
C2575 C2576
47/25 47/25
36 35 34 33 32 31 30 29
STBY
28
GND8
R2671
27
OUTSW
180
26
GND
R2672
25
OUTSR
180
24 C2695
GND
IC2638
R2673 47/25
23
OUTSL
22 C2696
100
GND
R2674 47/25
21
OUTC
20 V+7A
100
GND
19
OUTSB
18
VCC
17
GND
16
VEE
15
VDD
V+5U
CLK
8 9 10 11 12 13 14
C2681
100p
CH
C2682
V-7A
100p CH
GNDU
CONT
4
3/4
(MR)