Lcd Interface; Keyboard - Nokia RH-64 Service Manual

Nokia Customer Care
Signal From
name
AFC UEMCLite
(AFCOUT
)
TxC UEMCLite
(AUXOUT
)
VCXOTEMP RF-IC
PATEMP RF-IC

LCD interface

The figure below illustrates the structure of LCD module. LCD module includes UV tape, Driver IC, Prism sheet,
LGP, Flex Assy, label Tape, Adhesive Tape, Protection film, LCD glass, Rim Tape, Diffuser, Reflector and Holder
Frame.
LCD panel includes upper and lower polarizers, LCD transflective glass, single chip COG driver with
132x132x116bit RAM, 10-pin board-to-board connector and FPC with discrete components.

Keyboard

A 5 X 5 matrix keyboad consists of 21keys, one 10-channel integrated passive filiter arrays with downstream
ESD protection of >8KV connect the matrix keyboard to UPP.
Page 8–16
To Parameter
VCTCX Voltage Min
O
Max
Resolution
Load
resistance
and
capacitance
Source
Impedance
Output
impedance
RF-IC Voltage Min
Max
Source
Impedance
Resolution
UEMCL Input
ite voltage
range
Input
resistance
Resolution
UEMCL Voltage at
ite -20oC
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Min Typ Max
0.0 0.1
2.4 2.55
11
1
100
200
10
0.1
2.4
200
10
0 2.7
900 6000
10
1.57
System module
Unit Function
V Automatic Frequency
Control signal for
VCTCXO
Programmable
bits
kW
nF
W
MW Path powered down
V Transmitter power
level and ramping
control, Ref UEMCLite
RF converter
W
specification
bits
V
Ohm
bits
V Usage depends of the
RF design
9243363 (Issue 1)
RH-64