Nokia N72

The display module does not require any tunings in service.
Keyboard
The device keyboard is connected to the main PWB with a board-to-board connector.
The keymatrix has six rows and four columns. The voice key on the main PWB and the navigation key are
connected to the same keymatrix.
Table 17 Keymatrix
Key Row# kbc_# Column# kbr# Switch Ref.
0 6 0 U21
1 3 2 U19
2 2 1 U14
3 2 2 U16
4 5 3 U23
5 3 0 U18
6 3 3 U20
7 2 0 U15
8 2 3 U17
9 4 0 U22
* 4 1 U21
# 4 3 S2
END 5 0 U13
SEND 1 1 U1
EDIT 6 1 U11
CLEAR 6 2 U10
APPS 6 3 U12
Operator 5 2 U9
NAVI Left 0 2 S320
NAVI Right 0 3
NAVI Up 1 2
NAVI Down 1 3
NAVI Select 1 0
Left Soft Key 0 0 U7
Right Soft Key 0 1 U6
Camera 4 2 S1
Voice Not Required
RM-180
System Module Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 9 –23
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