15 — CX30 TK Machine
15–7
CX20/CX30/CX34 Service Manual
Figure 15.3
Keyboard Controller PCB – Pin Signals
TB2
B
A
TB1
SCREEN
GN
BU
BK
OR
YL
WH
RD
PL1
LK2
PL4
PL3
PL2
B
A
A
B
LK1
LK3
LK4
13
12
11
10
9
8
7
6
5
4
3
2
1
17
16
15
14
21
20
19
18
25
24
23
22
FRAMGND
DRIVE 16
DRIVE 15
DRIVE 14
DRIVE 13
DRIVE 12
DRIVE 11
DRIVE 10
DRIVE 09
DRIVE 08
DRIVE 07
DRIVE 06
DRIVE 05
DRIVE 04
DRIVE 03
DRIVE 02
DRIVE 01
RETURN 08
RETURN 07
RETURN 06
RETURN 05
RETURN 04
RETURN 03
RETURN 02
RETURN 01
9
8
7
6
5
4
3
2
1
+5VD
0VD
TXD
RXD
n/a
n/a
n/a
n/a
DISABLE SIGNAL INPUT
PL3 is a
9–way,
D–type
connector
PL1 is a 25–way,
molex type connector
PL2 is not used
PL4 is a 1/4” PC mounting blade
connected to FRAME GND
Summary of Contents for CX20 SERIES
Page 258: ...PL 1 CX20 CX30 CX34 Service Manual Section PL Parts List ...
Page 284: ......
Page 287: ......
Page 317: ...Addendum A Phase 1 4 and CX34 Parts List A 30 CX20 CX30 CX34 Addendum A ...
Page 318: ......
Page 321: ......
Page 323: ...Contents B 2 Addendum B ...
Page 343: ...Addendum B Phase 1 5 1 5 3 and New Main PCB B 22 Addendum B ...
Page 344: ......
Page 347: ......
Page 351: ...PL Parts List Devlin Keyboard C 6 Addendum C ...
Page 352: ......