Sim Part - Samsung SGH-Q200 Service Manual

5-3. Sim Part

Phone can't access SIM card
Check the pin 1 of CN801.
voltage
Check the SIM
connector's (CN801)
Connection to
SIM card
Check the circuit around U802
input circuitry
Check the circuit around U601
output and vlotage supply circuitry
END
Y
2.8 V ?
Y
Y
Y
Y
SAMSUNG Proprietary-Contents may change without notice
SGH-Q200 Flow Chart of Troubleshooting and Circuit Diagrams
Check the circuit related to U802
N
Resolder or change CN801
N
N Check the related circuit of U802
Check the related circuit of U601
N
5-3
and U101