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Abnormal
phenomenon
14．Screen flash
15．Large screen
garbage display
16．Screen
ghosting
Cause analysis
3. IWB board is broken
4. The internal connecting wire of
the front switch falls off or has
poor contact (caused by turbulence
during logistics transportation)
5. The connecting line of logic
board falls off or has poor contact
1. IWB mainboard program error
2. V-byone screen line is defective 2. Replace the new machine
1. Incorrect screen parameters
2. IWB mainboard card is defective 2. Replace the new machine
1. Incorrect screen parameters
Terms of settlement
1. Re -upgrade the software
1. Re -upgrade the software
1. Re -upgrade the software
7
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