Baseband description
System module block diagram
The device consists of two different main modules: transceiver and UI. The transceiver board consists of
baseband and RF components. The UI board consists of key domes and keypad backlights. Connection
between the UI and the transceiver board is established via a board-to-board spring connector.
Note: In this description, the user interface HW covers display, camera, keyboard, keyboard
backlight and ALS.
Figure 87 System level block diagram
RM-91; RM-92
System Module Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 9 –7
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