Advertisement
Level 3 Repair
8-3-13
. GSM900 Transmitter
TX ON (5Level)
Yes
PAM100 Pin15
30dBm
No
PAM100 Pin15
30dBm
No
UCP200 PinA2
30dBm
No
PAM100 Pin4
-2dBm
No
UCP200 pin
E1,D1,G1,F1
0.2Vp_p
No
Check UCP200
END
Yes
Yes
Yes
Resolder or Change R103, C121
Yes
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Resolder C105, L104
Check PAM100
pin10 = H
pin8 = H
pin9 = L
Yes
Yes
Check PAM100
Pin 7,8,9,10,11 OK?
No
UCP200 pin
W12,W13,W14,W15
2.8V
Yes
8-28
No
Check ANT Switch
control circuit
Change or Resolder PAM100
Resolder or Change PAM100
Check VBAT or PAM
control signal
No
Check UCP200,
C206,C207,C210,C211
Resolder UCP200
Advertisement
