SAMSUNG Proprietary-Contents may change without notice
SGH-P100 Flow Chart of Troubleshooting
7-
11
9. EGSM transmitter
U1001 pin 1 :
about 2~3 dBm?
CON1, C1000
check&change
U1001
pin3 : 3 V?
U700,U701
check & change
L1010
≒ 4~5dBm?
U1001
check & change
C1013 : 3.7 V?
NO
NO
YES
YES
YES
NO
NO
BATTERY, U100
check & change
Between
R1009& U1000
: 1.2V?
YES
NO
R1009
check & change
R1000:
≒ -5dBm ?
YES
C1016 : 3V?
YES
YES
U1000
change
NO
U700
check
U700
check & change
YES
NO
U900 pin9, 32
: 3V ?
U100pin46,C114
change or resolder
YES
U900
pin4,5,6,7 :1.7V ?
YES
U700
change
NO
NO
U1000
change or resolder
YES
U900
pin 8 : 13MHz?
Vp-p: 950mV
U900
pin10,12,13,14:
3V?
YES
OSC901
pin 3 : 13MHz?
Vp-p : 950mV
OSC901
change or resolder
U700
check or change
0SC901
pin 4 : 3V ?
U100 pin46,C114
change or resolder
U900
change or resolder
NO
NO
YES
NO
YES
NO
CONTINUS TX ON CONDITION
TX POWER DAC:500 CODE APPLIED
CH:62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO
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