User Guide

Baseband description

System module block diagram

The device consists of 5 modules: 1yb engine module, 1yc Ui flex module, 1yd T9 flex module, 1ye camera

sidekey flex module and 1yf SIM card flex module. The transceiver board consists of baseband and RF

components.

The UI flex module consists of S60 keypad and backlight, ALS, display connector, earpiece pads and power

switch. T9 flex module consists of T9 keypad and EL illumination. Camera sidekey flex module consist of

Camera, 4 sidekeys and IHF speaker pads. SIM card flex module consists of SIM and uSD card connectors.

Note: In this description, user interface HW covers display, keyboard, keyboard backlight and ALS.

Figure 63 System level block diagram

Baseband functional description

Digital baseband consists of ISA based modem and SYMBIAN based application sections. Modem functionality

is in RAP3GS and application processor acts as a platform for SYMBIAN applications.

RM-208

System Module Nokia Customer Care

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