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UI module connector and IF connections
Figure 117 UI connector
Table 25 User interface connections
Pin
Signal
I/O
Engine connection
Notes
1
GND
GND
2
LED+
<-
N2301
VLEDOUT2
Discrete
Backlight SMPS
(controlled by
Tahvo)
3
Col2
->
Helen3
Kbc_2
4
LED-
->
R2305 + V2300
SETCURR2
Serial re
Transistor
switch
(controlled by
Tahvo)
5
Col1
->
Helen3
Kbc_1
Voice switch
connection
6
GND
GND
7
Row3
->
Helen3
Kbr_3
8
Row2
->
Helen3
Kbr_2
9
Row1
->
Helen3
Kbr_1
10
Row6
->
Helen3
Kbr_6
11
Row0
->
Helen3
Kbr_0
12
Col0
->
Helen3
Kbc_0
13
Row5
->
Helen3
Kbr_5
Voice switch
connection
14
Row4
->
Helen3
Kbr_4
RM-57/58
System Module
Nokia Customer Care
Issue 1
Company Confidential
Page 9–35
Copyright ©2005 Nokia. All Rights Reserved.
Summary of Contents for RM-57
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