5-15 Flow chart of trouble shooting and Circuit Diagram5-9 Ring IndicatorRing Indicator LED does notworkGPO2 by Test S/WQ101 pin 2 = "H"?Q101 pin 3 = "L"?CN503 pin 3 = "L"?Replace Q101ENDResolder CN503, LEDYesNoYesYesNoNoKey PCB is OK? Replace the Key PCBYesNo

main parts list

travel adapter

ciger light adapter

test jig

wearable ear microphone

battery charger

main bottom

main parts list top

main parts list bottom

main rf

charging part

sim part

microphone part

speaker part

key data input

alert tone

ring indicator

back light

gsm receiver

gsm transmit

dcs receiver

dcs transmit

Samsung SGH-A288 Service Manual

c o n t e n t s

safety precautions

your phone

getting started

charging a battery

using the earmicrophone

call functions

answering a call

viewing missed calls

in-call options

storing a phone number with a name

phonebook options

the phonebook

entering text

changing text input mode

abc mode

and options

using the menu

call records

voice mail menu

voice functions

voice memo menu

melody composer menu

phone settings

security settings menu

calculator menu

calendar menu

www services

network connecting information

additional services

solving problems

reference information

using the batteries

safety information

SGH-A200

SGH-A288


Contents Table Of Contents main parts list travel adapter ciger light adapter test jig wearable ear microphone battery charger main bottom main parts list top main parts list bottom main rf charging part sim part microphone part speaker part key data input alert tone ring indicator back light gsm receiver gsm transmit dcs receiver dcs transmit	5-15 Flow chart of trouble shooting and Circuit Diagram5-9 Ring IndicatorRing Indicator LED does notworkGPO2 by Test S/WQ101 pin 2 = "H"?Q101 pin 3 = "L"?CN503 pin 3 = "L"?Replace Q101ENDResolder CN503, LEDYesNoYesYesNoNoKey PCB is OK? Replace the Key PCBYesNo Previous Next / 55