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5. SGH-T200 Flow Chart of Troubleshooting
5-
1
1. Power ON
Check the current
consumption more than
100mA
'POWER ON' does not work
Check the Voltage more
than 3.3V
Download again
Charge the Battery
Check the pin
26 of U401(PMIC ) is
more than 3.2V
Check to the path from CN501 to pin
26 of U401
U401 pin 33
= 2.8V
Check the PMIC(U401)
Check the pin 10 of
U401 is high
Check the CX805(U302)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No