User Guide

System Module LG4 and Grip Module LS4 CCS Technical Documentation
Page 8 ¤Nokia Corporation Issue 2 11/02
LG4 System Module
IIntroduction
This is the module specification of LG4 which is the main electronics module in NHL-2NA
GSM dual band phone. NHL-2NA phone is also nick named as Nokia 7650. The sales
name is Nokia 7650.
Technical overview
LG4 features
• Dual band GSM tranceiver. EGSM900 and GSM1800 bands with GPRS class 6 and
HSCSD data capability
• BB release is Galaxy WD2, main ASIC UPP_WD2
• RF release is Gemini premium release for Lilly (but shrinked)
• Bluetooth, based on BT102 module
• IR, HW capable for 1Mbit data speed
• Proximity sensor for controlling integrated handsfree feature (IHF)
• Handsfree, headset and earpiece audio connections
• VGA camera module connected with spring connector to LG4
• Ambient light sensor for controlling display and keyboard backlights
• Color display interface
• Flex cable interface to LS4 Grip module
Component placement and PWB outline
Components are placed only on one side of the LG4 module.
Figure 1 shows LG4 module from component side, main components are listed.