Prestigio PMP3084B Product Service Manual page 10

Prestigio PMP3084B/BRU
2.Check that the voltage of the battery is sufficient（>3.4V）, if not,you have to charge it.
3.Check that the FPC between button board and mother board is free of damage, bad soldering or corrosion etc..
4.Check that the voltages of all test points of the mother board are normal.
5. Connect to computer via USB cable and make sure the computer can detect the device.
6. Open the system upgrade software to update the system.
4.6.The system responds too slowly.
1.Check whether the capacity of battery is still sufficient, if not, please charge it.
2. Check the file system and make sure the data storage is full or data has been ruined；the device freezes when
it starts up or you can not access the system normally, please program the system files again.
3. Restore the factory default settings of the device.
4. Check the application software.
5.Update the system.
As for the abnormal problems, refer to the following circuit diagram or location diagrams for detail：
Reset circuit
WIFI 1.8V & 3.3V power
DDRII POWER
DDR 1.8V voltage
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