5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
0
Horizontal
5
10
15
0
25
30
35
20
45
50
55
40
65
70
75
60
80
90
95
100
85
105
110
V
er
tical
5
10
15
20
0
Hor
iz
ontal
5
10
15
0
25
30
35
20
Vertical
5
10
15
0
Hor
iz
ontal
5
10
15
0
25
30
20
Vertical
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
0
Horizontal
5
10
15
0
25
30
35
20
45
50
55
40
65
70
75
60
80
90
95
100
85
105
110
V
er
tical
GND
1
2
15
16
to DISPLAY
board J201
J1
5VF
KI2
CWK
FILK
SPEK
F2K
F4K
GND
KI1
SSBK
AMK
EXTK
F1K
F3K
F5K
SPLK
1
2
15
16
to DISPLAY
board J221
J1
3K
10K
18K
24K
50K
FINK
MPRK
1K
7K
14K
21K
28K
GENK
MPWK
GND
to DISPLAY
board J241
J2
MUPK
1
2
23
24
MWK
TSK
LOCK
NOTK
5VF
LDV
TXD
NOTD
GND
GND
MDNK
MCLK
XFCK
PBTK
KI4
KI3
LOCD
RXD
PBTD
GND
GND
GND
GND
• MODE BOARD (BOTTOM VIEW)
• PHONE BOARD (BOTTOM VIEW)
• TEN-KEY BOARD (BOTTOM VIEW)
• KEY BOARD (BOTTOM VIEW)
8 - 4