User Guide

SAMSUNG Proprietary-Contents may change without notice
SGH-E610 Flow Chart of Troubleshooting and Circuit Diagrams
2-21
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6. PCS Transmitter
CONTINUS TX ON CONDITION
MS TX level 12
CH : 698
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
F100 pin 13
about 2~3
dBm?
F100
pin 9 : 2.8V
U102 pin 31
3~4dBm?
U301
check &
change
U102
check &
change
CON101,
L105, C138
check & change
U102
pin 42, 43 :
3.7V
BATTERY, U301
check &
change
U102
pin 40 :
'HIGH'
U102 pin 41
:'HIGH'
U102
pin45:1.2V
U102 pin 37
about :
-5dBm?
U102
change &
resolder
U301
check &
change
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
U101
pin9,32
2.8V?
NO
NO
U301
change
U101
pin4,5,6,7
1.7V
YES
NO
U101
pin 8 13MHz
Vp-p :950mV
NO
U101 change or resolder
YES
YES
U102
check &
change
OSC101
pin3 :13MHz?
Vp-p :
950mV
NO
OSC101
change or
resolder
YES
OSC101
pin 4 :
2.8
NO
U301 pin A13,
R101
change or
resolder
YES
U101
change or
resolder
CHECK
U301 pin A13, C311
change or resolder