BenQ BQ060B00, Service Manual

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6.2. Trouble Shooting Guide
System Trouble Shooting Flow Chart
Power On OK?
1. Check battery voltage
2. Check USB cable connection
3. Check FFC connection between key board and main board.
4. Check FFC connection between main board and EPD panel
Yes
Function OK?
1. Check key boards connection
2. Check metal dome assembly
3. Check touch function of EPD
4. Check micro SD card function
5. Check speaker connection
6. Check WiFi antenna connection
7. Check main board
No
No