SAMSUNG Proprietary-Contents may change without notice
SGH-S342i Flow Chart of Troubleshooting
2-
12
This Document can not be used without Samsung's authorization
6. PCS TX
F700 pin 13 :
about 7~8
dBm?
C732,CN700
check&change
F700
pin9 : 2.8 V?
U100
check & change
U701 pin17 :
about 4~5dBm?
F700
check & change
U701
pin8,20 : 3.7
V?
NO
NO
YES
YES
YES
NO
NO
BATTERY
check & change
U701
pin 22 : 1.4V ?
YES
NO
U701 pin5
about : -5dBm ?
YES
U701
pin 2 : 3V?
YES
YES
U701
change or resolder
NO
U100
check
U100
check
NO
U700
pin9,32 : 2.8V ?
U100 pinA13,C119
change or resolder
YES
U700
pin8 : 13MHz ?
Vp-p : 950mV?
U700
pin4,5,6,7:100m
V?
YES
U100
change or resolder
NO
NO
U700
change or resolder
YES
NO
OSC700
change or resolder
CONTINUOUS TX ON CONDITION
CH : 660CH(PCS)
TX POWER CODE: 520 CODE Aplied
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB