90
VSX-523-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
I
J
SIDE B
6.MIC
9.+6.
8V
2.G
N
DF
6.G
N
DU
5.G
N
DU
4.FL-30
V
3.FL-30
V
11.RMC
10.STH+5
V
9.STH+5
V
13.FLT_DATA
1
8
.KEY3
19.KEY1
20.I
N
_D
N
17.KEY2
16.I
N
_UP
15.FLT_CE
2
8
.G
N
D-H
23.C
N
T_LED
27.CEO_IO
7.-6.
8V
1.FRO
N
T
V
29.G
N
D-H
8
.CPU +3.3
V
22.
V
OL_D
N
7.CPU +3.3
V
14.FLT_CLK
21.
V
OL_UP
2.G
N
DA_HP
4.HP_DET
5.MIC_DET
3.HP_RC
1.HP_LO
8
.G
N
DA
12.STBY_RLY
26.XMHLPERR
25.USBDDCERR
24.THRU_LED/DC
JP54
C715
C754
R743
C732
C729
R747
C755
C611
C739
C929
R777
D905
J
202
C705
R725
R726
C706
C714
R72
8
R729
J2
0
8
JP59
C711
R731
R732
C712
J2
0
9
JP101
R609
R60
8
C610
Q
703
Q70
8
R749
R756
R740
R741
R735
JP53
JP73
JP
6
7
R757
JP5
8
JP60
JP
9
9
JP
6
8
R746
C60
8
C609
R603
R771
C764
R744
C725
R742
R607
D904
R75
8
C733
JP55
R739
C716
R724
R727
R776
JP41
JP
7
4
C713
R730
L2030
C930
C931
Q709
R73
8
C742
C73
8
C939
C940
Q706
JP96
Q704
R754
R750
JP56
JP57
R77
8
D707
C751
D70
8
D710
C752
D709
1.HP
_LO
3.H
P
_R
O
8
.G
N
DA
6.MIC
7.-6.
8V
5
.M
IC_
DET
4.H
P
_DE
T
9.+6.
8V
2.G
N
DA_
H
P
R905
R907C907
C927
C925
C904
R925
R915
R917
C913
R924
C747
J2
0
4
R
8
97
R906
R90
8
C906
R
8
96
C92
8
C917
R902
R916
R913
ZD903
JP
7
1
R
8
99
R927
R909
C750
C749
C926
R
8
95
D902
C914
R911
R914
R910
ZD901
C902
C924
D706
D705
C753
C74
8
JP
6
6
C91
8
R926
D901
C919
C923
C911
ZD902
R900
IC902
JP
1
1
3
C93
8
C910
J
HPMIC ASSY
I
FRONT ASSY
C
N
106
CP104
C
N
704A
Q709
Q703
Q704
Q70
8
Q706
IC902