User Guide

CCS Technical Documentation BB Description & Troubleshooting
Company Confidential RH-4
,VVXH0D\  1RNLD&RUSRUDWLRQ 3DJH
,U'$IDLOXUH
Fix and re-test
IR check by
phoenix
2.IR OK
Open
phone
Check IR
window and
Retest
no
Check Vcc
from R350
yes
yes
Replace IR
module
yes
yes
no
no
Check IR
soldering
Check R350
Check
TXD and RXD
singnal
no signal
IR test
Change UPP