Sim Part - Samsung SGH-D500 Service Manual

F low Chart of Troubleshooting

4. Sim Part

Phone can't access SIMC ard
SIM 400 pin 1,5 = " H " ?
A fter Power O N ,
C heck SIM C L KSignal on
pin3 of SIM 400 in a few second
A fter SIMcard insert,
SIM 400 pin 2 = " H (SIM _R ST)" ?
C heck the SIMC ard
Y es
Y es
Y es
Y es
Y es
E N D
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N o
C heck the simcharge pum p
N o
N o
7- 7
C heck the C lock
R eplace PBA