Nokia 5210 Service Manual

Page of 18
NSM–5
UI section
PAMS Technical Documentation
Page  3
Issue 1  02/2002
 Nokia Corporation
UI section
Introduction
UI module is implemented on same PWB board with BB–module and RF–
module. UI HW part are LCD, backlighting, audio parts, IR, keyboard,
power key and vibra.
LCD
BASEBAND
IR
        
LED
Buzzer
Keys
1
3
5
8
1
2
2
Vibra
1
BB Interface
Signal
Parameter
Min
Typ
Max
Unit
Notes
IRONX
IR–module on/off
0
0.3 x VBB
V
IR on state
0.7 x VBB
VBB
Iout@2mA
FBUS_RX
IR receive pulse
0
0.3 x VBB
IR receive no pulse
0.7 x VBB
VBB
FBUS_TX
IR transmit pulse
0.7 x VBB
VBB
Iout@2mA
IR transmit no pulse
0
03 x VBB
VIBRA
From VB
0.9
1.0
1.1
V
115
140
mA
ROW (0:4) Rows
0
0.7 x VBB
0.3 x VBB
VBB
V
Keyboard matrix
row
COL (0:4)
COL0
0
0.7 x VBB
0.3 x VBB
VBB
Keyboard matrix
column
VB
Battery voltage
3.0
4.8
Battery voltage
(for lights)