Sim Part - Samsung SGH-X120 Service Manual

3. SIM Part

"Insert SIM" is displayed on the LCD
Is there any signal
pin #52,53,54 of U300 ?
Is there any signal
pin #1,2,3,6 of CN300 ?
Check the SIM Card
SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
YES
YES
END
SAM SU N G Pr opr i et ar y- C ont ent s m ay change w i t hout not i ce
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NO
NO
2-3
Check the U201
Check the U300