Nokia 9000i, Service Manual

Page: 101 / 434

After Sales
Technical Documentation
RAE/RAK–1N
UIF
Page 4– 9
Amendment 1 04/97
Table 2. DC characteristics of PDA Hinge–flex connector on LCDM module (continued)
Notes Maxi-
mum
Typi-
cal /
Nomi-
nal
Mini-
mum
Line Symbol Pin /
Type
25 /
PDALCD FP 0.4 V Output low PDA LCD,
Frame
PDALCD
2.6 V Output high
Frame
Pulse
26 /
PDALCD DISPON 0.4 V Output low PDA Dis-
play on
2.6 V Output high
y
control
signal
31–29 /
UIF KEYD(2:0) 0.4 V Output low Keymatrix
drive lines
2.6 V Output high Keymatrix
drive lines
33, 32 /
UIF KEYS(1:0) – 0.5
V 0.8 V Input low Keymatrix
sense
li
2.0 V 4.1 V Input high
lines
AC Characteristics
Table 3. AC characteristics of RF connectors
Conn. Parameter Minimum Typical / Nomi-
nal
Maximum Unit / Notes
X035,
X040 Impedance 50 ohms
X035,
X040 Transmitter frequency
GSM
PCN
890
1710 915
1785 MHz
MHz
X035,
X040 Receiver frequency
GSM
PCN
935
1805 960
1880 MHz
MHz
X035,
X040 Max. output power 2W (33 dBm)
1W (30 dBm) GSM
PCN
UIF External Signals and Connections
Table 4. Hinge flex connector (X001) signals
Signal Name Pin Signal description Note
VBATT 1 Battery voltage
VL1 2 CMT logic voltage
LCMUIF(3:0) 6–3 keypad row / display data
LCMUIF4 7 keypad row / Read/Write
for strobe for CMT LCD