81
J
K
L
M
N
O
P
Q
R
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C723
C724
C729
R635
R636
C864
Q731
R955
R987
R988
K700
R697
Q711
Q712
R705
R708
C722
C727
C737
29
30
TXD3
RXD3
GND
AUXI/O7
AUXI/O6
NC
NC
AUXI/O3
AUXI/O2
AUXI/O1
ME
GND
NC
NC
CN783
Q705
Q706
Q713
S
G
D
R702
R710
C700
3
E
+B
+B
1
C701
C702
C703
C705
C710
R755
R761
R767
R768
R775
C757
C759
C760
D722
D723
IC706
I
G
O
D726
IC732
C859
C872
ES2
1
11
IRS
SB
IGN
PSW
TRD
1/2
RESET
GND
MIC
ME
R948
R949
8C
GND
+
+
+
1
9
F700
ANI
Scrambler
R891
Q708
C863
Q729
D
G
S
W700
R701
R704
R706
R707
R709
CN702
C704
C706
C707
IGN
E
HR1
HR2
OS2
OS1
ES2
ES1
IRS
C906
R960
CN755
CN771
CN785
CN786
D719
D720
IC705
1
78
14
1
BC1
LOK
NC
NC
E
NC
E
NC
NC
NC
TXO
RXEI
BC3
BC2
PTOS
ECHO
BC4
E
NC
5C
NC
NC
AC
RXEO
STXI
8C
25
26
2
1
BUSY
NC
NC
NC
E
NC
E
STON
TCONT
AINH
NC
NC
NC
AKEY
NC
PTOA
EMG
E
NC
5C
ATXI
NC
AUX I/O
NC
NC
8C
25
26
2
E
EMG
PTOA
AKEY
BUSY
E
E
STON TCONT
INH
5C
5C
E
ATXI
BC4
ECHO
PTOS
BC2
8C
AUX
I/O
E
E
RXAF
BC1 LOK
19
TXO RXEI BC3
8C
STXI
RXEO
AC
5C
GND
+
J72-0942-29
1
2
16
17
CONTROL UNIT (X53-4120-10)
Component side view (J72-0942-29)
PC BOARD
TK-5710
(
B
)
/5710H
(
B
)
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6