Samsung SGH-G810 Servise Manual page 45

10-4. WCDMA TX
TX ON
PWR=23dBm
Target
Check
TX Module Output
FEM100 PIN8
≥ 10dBm
Check
TX Module Input
FEM100 PIN10
≥ 8dBm
Check
Duplexer Input
DUF201 PIN1
≥ 5dBm
Check
Coupler Input
CPL200 PIN2
≥ 5dBm
Check
PAM Input
PAM200 PIN8
≥ -15dBm
Check
Transceiver Input
U100 PIN59
≥ -20dBm
Check U101, UCP300
END
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Re-solder RFS100,
C119, L102
Check FEM100
PIN28=H, PIN27=L
PIN1=L
YES
Re-solder DUF201,
L204, C216
Re-solder or change CPL200,
C200, R200, R201,
R202, R203
Re-solder or Change
PAM200, C201
Re-solder or Change
C113, C219, C201, F204
10-31
Flow Chart of Troubleshooting
Check Antenna
Switch Control
Re-solder or Change
FEM100