Main Control Assy (2/3) - Pioneer VSX-56TXi Service Manual

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3.9 MAIN CONTROL ASSY (2/3)

A
B
(F)
FRONT_L
FRONT_R
J 1/3
(C)
CENTER
SW
C
J 1/3, 3/3
1-A3,3-D4
U-COM
GNDA
D
(SB)
SBL
J 1/3
SBR
(S)
SL
SR
E
F
J 2/3
42
1
2
(C)
IC702
TC94A07F
TP14 TP15
C747
100p
CH
C746
100p
CH
C745
100p
CH
GNDU
U-COM
C785
C786
100p CH
C787
(SB)
100p CH
GNDA
IC704
TC94A07F
TP22
2
3
(F)
C739
C/SW 0.1
(C)
C733
+
5
C
10/50
(C)
-
6
R733
IC712
100k
UPC4570G2-A
C737
47/25
C738
47/25
IC712
R734
UPC4570G2-A
100k
2
-
SW
C734
3
+
10/50
C740
Pre Amp. & Main (Master) Volume
C779
SBL/SBR 1.1
100p (SB)
C773
CH
+
5
10/50 SBL
(SB)
GNDU
-
6
R773
100k
UPC4570G2-A
C777
47/25
C778
TP23 47/25
IC714
R774
UPC4570G2-A
100k
2
-
SBR
C774
3
+
10/50
(S) C780
VSX-56TXi
3
4
68p
CH
8
(C)
C741
C
7
47/25
4
(1/2)
(2/2)
8
C742
1 SW
47/25
4
68p
CH
68p
CH
8
(SB) C781
SBL
7
47/25
4
IC714
(1/2)
(2/2)
8
C782
1 SBR
47/25
4
CH
68p
4
(F)
V+15
V-15