Table of Contents
Advertisement
2-2-4. DCS TX
U402 pin 11 :
about 2~3
dBm?
YES
C407,CN401
check&change
NO
U101 pinA13,C111
change or resolder
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
U402
pin9 : 2.8 V?
YES
U403 pin10 :
about 4~5dBm?
NO
YES
U402
check & change
NO
U403
BATTERY
pin5 : 3.7 V?
check & change
YES
NO
U403
U701
pin 4 : 1.4V ?
check
YES
U403 pin9
about : -5dBm ?
YES
NO
U403
pin 6 : 3V?
YES
U101
U403
check
change or resolder
NO
U404
pin9,32 : 2.8V ?
YES
pin8 : 13MHz ?
Vp-p : 950mV?
NO
pin4,5,6,7:100m
U101
change or resolder
change or resolder
SGH-X140 Flow Chart of Troubleshooting
NO
U101
check & change
U404
NO
OSC401
change or resolder
YES
U404
V?
YES
U404
2-13
CONTINUOUS TX ON CONDITION
CH : 698CH(DCS)
TX POWER CODE: 520 CODE Aplied
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Advertisement
Table of Contents
