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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-22
This Document can not be used without Samsung's authorization
9-1. WCDMA TX
PAM200 PIN9
≥
-15dBm
U203 PIN4
≥
-20dBm
TX ON
Target PWR=23dBm
Re-solder RFS100, L102,
C103
MOD100 PIN20
≥
10dBm
YES
Check Antenna Switch
Control
NO
Check MOD100
PIN12=H
YES
MOD100 PIN18
≥
8dBm
NO
YES
Re-solder or Change
MOD100
Re-solder DUF200,
L200, C205, C206
DUF200 PIN2
≥
5dBm
YES
NO
YES
END
NO
YES
NO
Re-solder PAM200,
L215, C227, C214
Re-solder F202,
L208, L209, C220
Check U203 ,
UCP300
Содержание SGH-P270
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