User Guide

Name of Connection Connector reference Notes
Keyboard connector X4401
Camera X1470 Unagi
Keyboard connector
Figure 120 Keyboard connector
Table 23 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 resistor +
Transistor
switch
(controlled by
Tahvo)
5 Col1
->
Helen3 Kbc_1
Voice switch
connection
6 GND GND
7 Row3 -> Helen3 Kbr_3
RM-42
System Module Nokia Customer Care
9241872 (Issue 1) Company Confidential Page 9–37
Copyright ©2005 Nokia. All Rights Reserved.