A SERVICE OF

logo

SAMSUNG Proprietary-Contents may change without notice
SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams
2-4
This Document can not be used without Samsung's authorization
2-2. Initial part
Initial Failure
Yes
Yes
Check the BAT33
No
No
Check the U102
No
Yes
Download again
Check the "nTrst"
at U101 is High
Check the
"nGPIO_RESET"at the
GPIO1ofU101isHigh
Check the
"nRESET_IN" signal
at the R110 is High
Yes
Yes
END
Check the connections and
initialization using Factory Test
Program
Yes
Check the LCD connector CN501
and resolder bridge
BAT33
C146
RESET
2
VCC
3
U102
GND
1
nRESET_IN