User Guide

RAE-6/RA-4
Nokia Customer Care 6 - Baseband Description and Troubleshooting
28 COMPANY CONFIDENTIAL Issue 1 12/04
Copyright © 2004 Nokia. All Rights Reserved.
User Interface
1BD is the UI flex module of RAE-6 & RA-4 (US variant) communicators locating on the upper
lid and connecting the following functional blocks to phone engine:
•PDA display
•CMT display
• CMT keypad
• Power key
• Illumination
• Earpiece
In addition to the actual components to provide the needed functionality, there are some com-
ponents to filter out possible EMI/ESD disturbance. Figure 9, “Block Diagram of UI HW” shows
a block diagram of the UI HW of RAE-6/RA-4.
The HW UI is based on APE chip (OMAP1510).
Figure 9:Block Diagram of UI HW
COP8
Keypad
PDA display
OMAP1510
UPP
Power key
UEMEK
CMT display
Illumination
LCD IF
uWire
uWire
Keyboard IF
PWRONX
Upper Lid
Lower Lid
Level
shifter
Reset
Reset
Earpiece
Klight
Dlight
UI HW
IHF
Hall Sensor
QWERTY
DAC & PA