Sim Part - Samsung SGH-T509 Service Manual

Gsm telephone

Hide thumbs Also See for SGH-T509:

Table of Contents

7-4. Sim Part

Phone can't access SIM Card

SIM400 pin 1,5 = "H"?

After Power ON,

Check SIMCLK Signal on

pin3 of SIM400 in a few

After SIM card insert,

SIM400 pin 2 = "H(SIM_RST)"?

Check the SIM Card

Yes

END

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Check the sim charge pump

7-9

Flow Chart of Troubleshooting

Check the Clock

Replace PBA

Table of Contents