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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
3-23
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3-2.RF
3-2-1. EGSM RX
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
YES
NO
F600 Check
Pin #6
≥
-65dBm ?
F600 Check
Pin #12,13
≥
-65dBm ?
UCD600 Check
Pin#6, 7
≥
-65dBm ?
Check soldered status of
C602
Resoer or Change
C601 , L600
F600 Resolder or Change
UCD600 Check
Pin#34(C214) =2.9V?
UCD600 Check
Pin#21 :26MHz?
Vp_p 1.1 v ?
UCP201
Change or resolder
UCD 600
Resolder or change
NO
NO
YES
YES
YES
NO
YES
UCD600
Pin 35,36,37,38
Vp_p : 100mV ?
Check UCP201
Cange or resolder
NO
NO
OSC 600
Change or resolder
Check soldered status of
L602, L603, C609
YES
NO