4. Troubleshooting
Symptom
Related Image
Causes and Countermeasures
A vertical green line appears on
the screen.
•
The SMPS voltage is incorrect.
•
Adjust the SMPS voltage according
to the voltage printed on the module
label.
Dim screen (blurred in red)
•
X-Main board defect
•
Replace the X-Main board.
A blank screen appears.
•
Replace the Y-Main board.
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