Block Diagrams 4-24-2 Main RFEGSM RX925~960 MHz(CH62 : 947.4 MHz)DCS RX1805~1880 MHz(CH698 : 1842.4 MHz)SAWFilterF101SAWFilterF100LNALNAPGAPGA ADCADCVCTCXO(U102)EGSM TX880 ~ 915 MHz(CH62 : 902.4 MHz)DCS TX1710 ~ 1785 MHz(CH698 : 1747.4 MHz)Dual PAM(U106)AntennaS/W(U107)RFConector(CN1)Si4200 (U104)RFPLLIFPLLSi4133T (U103)PDLPFMixerChannelFilterPGAPGA DACDAC100kHzSi4201 (U105)VP40578(U406)IQIQSDATASCLKSENBPDNB

main parts list

travel adapter

ciger light adapter

test jig

wearable ear microphone

main parts list top

electrical parts list

main parts list bottom

main rf

rf transmit part

rf receive part

power on

charging part

sim part

microphone part

speaker part

key data input

receiver part

ring indicator

gsm receiver

gsm transmitter

dcs receiver

dcs transmitter

Samsung SGH-T408 Service Manual

Unpacking

Phone Layout

Getting Started

Charging a Battery

Switching the Phone On/Off

Using the Ear-Microphone

Adjusting the Volume

Answering a Call

In-Call Options

Phonebook

Storing a Phone Number with a Name

Using the Phonebook Options

Speed-Dialling by SIM Memory Location

in the Phonebook

Entering Text

pinyin mode

chinese stroke mode

Quick English Mode (T9 Mode)

english mode

Number Mode

Selecting Functions and Options

Using the Menus

Voice Functions

call records

voice functions

melody composer menu

calculator menu

calendar menu

Navigating with the WAP Browser

Entering Text, Numbers or Symbols

Additional Services

Solving Problems

Reference Information

Health and Safety Information

Glossary

SGH-T408

SGH-T410