SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-40
This Document can not be used without Samsung's authorization
9-2-4. Abnormal EGSM Tx Operation
PIN28
PIN27
PIN1
U202 PIN8
≥ -5dBm
F201 PIN4
≥ -15dBm
Resolder RFS200,
L203,C236,L219
U201 PIN55
≥ -15dBm
Check U202
PIN28=H, PIN27=L
PIN1=L
Resolder F201,
R215, R216
R217, C213
Check Antenna
Switch Control
Resolder or Change
U202
YES
YES
YES
YES
NO
NO
NO
TX ON(5 level)
Check U201,
UCP400
END