Table of Contents
Advertisement
Flow Chart of Troubleshooting
9-2-4. EGSM TX
NO
U100 Pin 6
About 2~5 dBm?
YES
U100, C100
check & change
PAM100 pin 5
: 3.7V ?
PAM100 pin 3
: 'LOW'
PAM100 pin 1
: 'HIGH'
PAM100 pin 6
: 1.2V ?
PAM100 pin 7
: -5dBm ?
PAM100
check & change
C113
Check & Change
NO
Pin 35,36,37,38
U300
change
check & change
This Document can not be used without Samsung's authorization
U100
Pin 4 : 2.9V
YES
NO
PAM100 pin12
3~6dBm ?
YES
PAM100, L112 check & change
NO
Check the
Battery Block
YES
NO
U300
check & change
YES
NO
U300
check & change
YES
NO
YES
NO
YES
U101
pin 39 :
7~11dBm?
NO
YES
U101
NO
pin21 13MHz
Vp-p : 950mV
:1.7V
YES
U101
change or resolder
SAMSUNG Proprietary-Contents may change without notice
NO
U300
check & change
Continuous TX ON condition
U101
NO
pin 3 : 13MHz
Vp-p : 950mV
YES
U101
pin 4 : 2.9V?
change or resolder
9-22
MS TX level 19
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB
TCX100
YES
U101
change or
resolder
NO
NO
U300
TCX100
change or
resolder
YES
U101
Advertisement
Table of Contents
