SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-31
This Document can not be used without Samsung's authorization
10-2-8. UMTS2100 Transmitter
Tx On
RF Input : 9750CH
Tx Power : 24dBm
No
Check PAM100, VBATT
Check PAM100, L200, C204
Check F201
Nomal Condition
Catch The Channel
RFS100 Pin #3
≥
20dBm ?
No
Check and change
RFS100
No
Yes
Check soldered status of
ANT, C102, C101, L101
Yes
Check soldered status of
L102, C100
No
Yes
PAM100
pin #1,27 : Low
pin # 28 : High
PAM100 pin #8
≥
20dBm ?
Yes
Check and change
UCP300
PAM100
pin #26
≥
3.7V ?
Yes
No
DUP200
pin #2
≥
20dBm ?
No
Yes
CPL200
pin #1
≥
20dBm ?
Yes
No
Check PAM200
Содержание SGH-L170
Страница 80: ......