Nokia 9000i Service Manual page 34

RAE/RAK–1N
Baseband
Table 3. Supply Voltages and Power Consumption
Pin / Conn. Line Symbol
14 / B2B VCHAR
31 / B2B
VA1
VA2
VA3
11 / B2B VL1
VL2
VREF
16 / B2B VF
6 / B2B BACKLIGHT
8 / B2B RBUSRXD
9 / B2B RBUSTXD
12 / B2B XPWRON
15 / B2B BUZPWR
20 / B2B COL(3:0)
19 / B2B
18 / B2B
17 / B2B
Page 2–8
Minimum Typical /
Nominal
10.0V 12.0
4.5V 4.65V
4.5V 4.65V
4.5V 4.65V
4.7V 4.85V
4.7V 4.85V
4.55V 4.65V
11.4V 12V
Table 4. Digital control signals
0V 0.7V
4.7V 4.85V 5.0V
3.6V 4.85V 5.0V
0V 0.2V 0.7V
3.6V 4.85V 5.0V
0V 0.2V 0.7V
0V 0V 0.7V
4.65V
0V 0.7V
5.3V 7.2V 8.4V
0V 0.7V
4.7V 4.85V 5.0V
After Sales
Technical Documentation
(continued)
Maximum Unit / Notes
13.0V Charger specifi-
cations, without
load
4.8V Imax = 40mA
4.8V Imax = 80mA
4.8V Imax = 200mA
5.0V Imax = 150mA
5.0V Imax = 150mA
4.75V Imax = 5mA
12.6V Flash program-
ming voltage
Output low, back- Display
lights off
and key-
board illu- board illu
Output high, back-
mination
lights on
control
State "1"
RBUS re-
ceived
data to
State "0"
CMT
State "1" RBUS
1 mA load trans-
mitted
data from
State "0"
CMT
Input low, power
on/off
Floating when inac-
tive. A pull–up in
PSL+.
Input low, buzzer
on
Input high, buzzer
off
Output low keyboard
columns
Output high
Original, 08/96