Table of Contents
Advertisement
9. Flow Chart of Troubleshooting
9-1. Power On
' Power On ' does not work
KEY FPCB or KEY Dome
damaged?
Check the current
consumption more than
100mA
Check the Voltage of Battery
more than 3.3V
Voltage of C327 = VBAT?
Check the VCCD_1.8V,
VCCD_2.9V and
VCCD_1.2V_A of UCP200
Check VRF_2.9V of RFT100
Check CLK26M_DBB on C115
Freq = 26MHz
Check the initial operation
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Yes
Replace Key FPCB
No
Download again
No
Check the Battery
No
Check the related circuit
No
Check the related circuit
No
Check the UCD300 and C334, C100,
C103
No
Check OSC100 and RFT100
9-1
Advertisement
Table of Contents
