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Flow Chart of Troubleshooting
9-7
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9-4. SIM
Insert SIM card
No
No
Check T/SIM801, ZD802 & ZD803
SIM CARD Breakdown
Yes
Change SIM CARD
No
There is any signal at
Pin 11 in T/SIM801
Yes
Voltage of C403 < 3V
Yes
Check U402
Replace T/SIM801
Summary of Contents for GT-B7620
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