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A
B
C
D
KGP-2A/2B
PC BOARD
1
CONTROL UNIT (X53-3980-20): KGP-2A Component side view (J79-0159-29)
2
3
11
SEN11 SEN12 SEN13 SEN14 SEN15
MIC GND/
RTS2/
SEN7
6
SEN6
1
SBO
4
5
6
C124
C127 +
C135
7
8
9
10
C149
11
X2
12
S1
13
14
E
F
G
J1
ACC3
15
SEN8 SEN9 SEN10
10
MIC IN/
GND RXD2/
TXD2/
5
DTR2/
SEN3
SEN4
SEN5
9
8
16
1
13
12
1 5
Q13
3 4
24
1
C98
R200
11
10
R201
20
1
–
11
10
20
1
11
10
20
1
C183
L17
C182
C188
H
I
J
K
CONTROL UNIT (X53-3980-20): KGP-2A Component side view (J79-0159-29)
J3
ACC2
RTS2/
SEN2 SEN0 SEN1
6
9
SEN6
DTR2/
TXD2/
RXD2/
5 GND
SEN7
1
SEN5
SEN4
SEN3
R58
+
C89
D30
R63
C82
R73
CNVss
C106
Reset
R71
+
C109
R77
R75
+
R33
R145
L19
R144
L
M
N
O
PC BOARD
J2
ACC1
9
NC
NC
NC
RTS1
6
GND
DTR1
TXD1
RXD1
NC
1
5
R157
R158
CP75
D46
D47
+
R6
C61
+
IC9
1
16
+
C56
TXD1
8
9
C179 C180
C178
R220
R219
+
CP5
R203
R202
R189
R5
C25
D5
R7
+
1
20
10
11
C57
1 5
C211
IC34
+
3 4
C210
L24
RXD0
SIG
VANT
RXD0
VBU
FMT
9
1
10
GND
RXD1
VCC
TXD0
PPS
2
A1
L20
C187
C186
R146
J79-0159-29
D42
P
Q
R
S
KGP-2A/2B
Ref. No. Address
IC1
7O
IC6
5N
IC9
5O
IC12
9M
IC14
8K
IC19
8F
IC20
9F
IC21
11F
IC25
8D
IC28
7F
IC31
12F
15 RXD
IC34
10O
TXD
DISP OFF
Q4
11J
ID
Q5
6N
MM
Q6
6N
AM
Q7
7N
TXS
Q8
7N
SQ
Q13
8E
DTC
PTT
D1
7P
DO
D2
8P
GND
D5
8O
DI
D7
6L
SBO
D9
6M
1
SB
D18
12J
D24
13K
D30
8J
D36
6O
D37
6O
D38
6O
D39
6P
D40
13H
D41
12I
+
D42
13L
D43
13G
D44
4O
D45
4P
D46
4N
D47
4N
D50
8L
D51
7K
D52
7K
D53
6J
D54
6J
D55
6J
D56
6I
D57
6I
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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