Sim Part - Samsung SGH-X600 Service Manual

SG H- X 600 F low Chart of T roubleshooting

4. Sim Part

Phone can't access SIMC ard
C N 400 pin 1,5 = " H " ?
A fter Power O N ,
C heck SIM C L KSignal on
C N 400 pin 3 in a few second
A fter SIMcard insert,
C N 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 32k O SC
R eplace PBA