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Repair of LCD display

by Steven Stauffer
(Springfield,MO. USA)

Display is unreadable and intermittent.
Is it the display drivers or the LCD panel itself?
Can I buy parts and repair it myself?




Comments for
Repair of LCD display

Average Rating starstarstarstarstar

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Sep 24, 2009
Rating
starstarstarstarstar 		Intermittent Display
by: Alfred

Dear Stephen: One thing at a time. Some Displays are indeed difficult to read due to small size. 1) Changing the angle-of-sight might improve legibility. Either raise or lower your bench to
see if there is any improvement. Also, if the Display is back-lit, keep any external lighting away from the keyboard. 2) If back-lit, the Display's internal bulb may be burnt out. 3)
There may be a disconnected plug-and-jack lead to the Display.
As to DIY repairs, I've not yet tried fixing any such SERIOUS DEFECTS. It's probably far more complicated than you think, and depending on the age of your keyboard, the intrinsic value you place in it, and the cost of professional repair, you have to decide what to do. I can tell you this: Displays are generally replaced, not repaired, and the charges can be high. I wish I could be more encouraging. In any case, please post a comment as to what you decide so all of us can learn from your experience. Thank you.
Nov 02, 2009
Rating
starstarstarstarstar 		DGX-630 LCD unreadable
by: Anonymous

I have just bought one of this instrument. I have a similar problem (dgx-630 LCD's images/words are feint and not seay to see. I don't what the problem is.
Nov 02, 2009
Rating
starstarstarstarstar 		LCD Problem
by: Alfred

Dear "Anonymous": Your unit is obviously very new. Yamaha released it in 2008 and I am not familiar with it. Hopefully you have the OWNER'S MANUAL. Some Yamaha models have a control for adjusting (contrast of) the Display and you should check to see if anything is mentioned about such a control. If I'm correct, please post a follow-up message in this Forum so other members can learn from your case. Also, please remember to enter your name (not "Anonymous") if
in the future you want your problems to be properly noticed and answered by members who can help. Good luck.

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