Main Control Assy (1/3) - Pioneer VSX-56TXi Service Manual

1

3.8 MAIN CONTROL ASSY (1/3)

JA593
RKN1026
A
3
IN
2
1
JA594
RKN1004
2
3
OUT
1
when inserting the cable
JA591
OFF(Hi-imp:)type
7
RX 2
3
GND
TX 5
IN
SR 6
4
1
XKN3015
CONTROL
JA592
RKN1026
3
OUT
2
1
B
JA113
(1/2)
2
L
CD-R/TAPE1
1
PLAY IN
3
R
C
JA113
(2/2)
5
L
CD-R/TAPE1
4
REC OUT
6
R
7
CHASSIS JA112
(1/2)
2
L
MD/TAPE2
1
PLAY IN
3
R
D
JA112
(2/2)
5
L
MD/TAPE2
4
REC OUT
6
R
7
JA111
(1/2)
2
L
CD
1
IN
3
R
E JA111
(2/2)
5
L
PHONO
4
IN
6
R
7
CHASSIS
JA111-JA113 ;
VSX-56TXi : VKB1133
VSX-54TX : VKB1132
F
J 1/3
40
1
2
L900 D502 R568
1k
QTL1013 1SS355
R569
L901
QTL1013 STBY
L891
L892
QTL1013
L896
QTL1013
L897
QTL1013
QTL1013
R570
L893
L894
4.7k
QTL1013
QTL1013
L895
QTL1013
L898
QTL1013
C621 10/50
C622
(CD-R) (CD-R)
R113
330
R114
330
R115
1k
R116
1k
R117
330
R118
330
R119
1k
R120
1k
CD
R121
330
R122
330
R123
330
R124
330
LCH
RCH
1 3 5 7 9
2 4 6 8 10
2
3
V+5_6
L902
QTL1013
U-COM
MRIN
RXD
TXD
RMC
SR-IN
SR-OUT
(TX)
VSX-56TXi : 2.2k
VSX-54TX : 0
(TX)
V+15
VSX-56TXi : 4.7k
VSX-54TX : 0
0.1/25
R161
10/50
2
C161
8
IC105
3
C164
4
0.1/25
YF
GNDA
V-15
UPC4570G2-A
(1/2)
V-15
LINE/PHONO
CD
MD PLAY
0.01 C129
CD-R PLAY
VSS
Main Function
C128
NC
VDD
CD-R PLAY
0.01
MD PLAY
CD
LINE/PHONO
V+15
V+15
VSX-56TXi : 4.7k
TUNER
VSX-54TX : 0
0.1/25
R169
CD
C174
CD-R 2
8
1
IC106
3
C175
4
0.1/25
DMFL YF
V-15
GNDA
UPC4570G2-A
(1/2)
DMFR
11 13 15
14
12
E
CN1401
VSX-56TXi
3
4
VSX-56TXi : 2.4k
VSX-54TX : 0
R167 R177
C162
YB
0.01
GNDU
1
GNDA
Analog Down MIX
C166
YB
0.01
GNDU
V-15
RECOUTIN
OUT
L
GNDU
CK
NC
DT
R
ST
OUT
RECOUTIN
FROM DSP
V+15
VSX-56TXi
Analog Down MIX
(2/2)
ONLY
C176
0.01 YB
GNDU
C172
R170
0
10/50
VSX-56TXi : 4.7k
VSX-54TX : 0
R172
C178
C173
YB
0.01 10/50
IC106
GNDU
R176
VSX-56TXi : 4.7k
UPC4570G2-A
VSX-54TX : 0
(2/2)
GNDA
4
(F)
VSX-56TXi : 2.4k
VSX-54TX : 0
VSX-56TXi : 2.2k
VSX-54TX : 0
R164
4.7k
6
8
C167
7
IC105
5 10/50
4
UPC4570G2-A
(2/2)
VSX-56TXi
ONLY
(1/2)
L
R
FL
FR
R173
0
YB