Table of Contents
Advertisement
Flow Chart of Troubleshooting
7-12. GSM Receiver
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Yes
MODULE1 Pin7
> = -65dBm
Yes
U100 pin1,2
> = -68dBm
Yes
U100
pin E1 > = -70dBm
pin F1 > = -70dBm
Yes
U100 pin
H8,J8,H7,J7
> = 1V
Yes
Check U200
END
No
Resolder CN100, C102
No
No
Resolder C105, C114, L105
No
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used with out Samsung' s authorization
Check MODULE1
pin9,pin10,pin12 = L
Yes
R110, C126, C129
> = 2 .7V
Yes
7-26
No
Check ANT Switch
control circuit
Resolder MODULE1
No
Check & Resolder
U100, R113
RF26MHz, RF PSU Part
Resolder U100
Advertisement
Table of Contents
