Service-Manual_artista_630_640_english_V4.01_032069_50_04.doc
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2b LCD (screen):
What to test:
•
Use ’+’ and ’-’ keys or stitch width adjusting knob to adjust contrast.
•
Use ’+’ and ’-’ keys or stitch length adjusting knob to adjust
brightness.
•
Press ’Reset’ to return to default.
•
Press OK to save the values and to return to menu 2.
•
Press ESC to return to menu 2 without saving.
Repairing note:
•
Check LCD connecting cable for correct S-Print connection.
•
Check connecting cable for deformation, tears or breaks. Replace if necessary.
•
Replace touch screen.
•
Replace
S-Print.
Note:
If a fault in the CFL light or the screens background lighting occurs, then because of safety regulations the
high voltage power is switched off.
If the screen is not lighting, check the CFL first!
2c Blank black LCD (screen):
What to test:
•
Blank screen (black) to find any pixel errors.
•
Touch the touch screen at any place to return to menu 2.
Repairing note:
•
Replace LCD if pixel errors occur.
2d Blank white LCD (screen):
What to test:
•
White blank screen to find dirt or stains.
•
Touch the touch screen at any place to return to menu 2.
Repairing note:
•
Clean LCD and touch screen.
Attention:
Do not use any abrasive or corrosive cleaning agents.
