SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-25
9-17. PCS Transmitter
TX ON (0Level)
No
Yes
Check F101
pin9=H, pin11=L
Check FEM Switch
control circuit
No
No
Change
or Resolder F101
Yes
Yes
No
Yes
Check VBAT or PAM
control signal
No
No
Resolder or change
PAM100
Yes
Yes
Check U101
pin12,13,29,29 ≥
2.8V
pin11 ≥ 1.8V
U101 Pin4, 5, 6, 7
≥ 0.2Vp_p
Check & Resolder
PMU part
No
No
Yes
Resolder U101
Yes
Check UCP200
END
F101 Pin13
≥ 30dBm
Resolder RFS100, C102, R121,
L101
F101 Pin14
≥ 30dBm
PAM100 Pin15
≥ 30dBm
Resolder C115, L105, C116
PAM100 Pin4
≥ -4dBm
Check PAM100
+VBAT(pin17) OK?
Содержание SGH-M610S
Страница 70: ...www s manuals com ...