Gsm Receiver - Samsung GT-B2100 Service Manual

Flow Chart of Troubleshooting

10-12. GSM Receiver

RX ON
RF INPUT=62CH
AMP=-50dBm
Yes
Check PAM100
pin 12(EGSMRX)
≥ -65dBm
Yes
Check U101
pin 17, 18 (EGSMRX)
≥ -65dBm
>
Yes
Check U200
MOD_STANDBY=HIGH
PON_PA=LOW
BAND=LOW
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder or Change
PAM100
No
Resolder or Change
U101
No
Resolder or Change
U200
10-26