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Author Topic: WTB: Advantage Konami 7" Bonus LCD FIXED!  (Read 5401 times)
montech
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« on: January 27, 2014, 08:02:50 PM »
Hi All
Got this one in washed out. Changed the back light ...to no avail.
PM with price thanks.
« Last Edit: January 28, 2014, 07:37:49 PM by montech » Logged
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« Reply #1 on: January 28, 2014, 03:51:04 AM »
by changed the backlight, you mean you changed the CCFL? And that didnt do it?

Washed our vertically or all white?
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montech
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« Reply #2 on: January 28, 2014, 03:04:32 PM »
Hello CV
Just a general washed out picture. All white but still see a washed out image. Yes the backlight was a CCFL.
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« Reply #3 on: January 28, 2014, 05:15:38 PM »
Check the fuses on the control board. F701 gives a white screen.

We've had some issues with these little boogers and finding one is going to be tough.
« Last Edit: January 28, 2014, 05:31:17 PM by CVslots » Logged

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montech
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« Reply #4 on: January 28, 2014, 05:48:47 PM »
OK CV
When you say control board are you talking about the board internal to the LCD, the mpu board in the slot, or some other board?
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« Reply #5 on: January 28, 2014, 06:13:41 PM »
Roz,

I've never looked at the fuses (but I'm Gona) as a fix.....But I think he's referring to a wimpy washed out screen that you can still see but it's very light.
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« Reply #6 on: January 28, 2014, 07:32:17 PM »
Hi guys
Checked the fuse, it was ok as suspected. So pulled out my ESR meter.
Turned out to be one of the aluminum electrolytic on the LCD control board. a 10uf@16VDC. Changed a few others that were borderline. Back in business.
Thanks for your input applause
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« Reply #7 on: January 28, 2014, 07:38:05 PM »
Thanks,
I'm gona look at the caps on a couple of mine that are washed out. The complete Assy is priced way too high and far to hard to find. I have at least 3 machine with crappy LCD's..... so this may be great info.

Lindsay
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« Reply #8 on: January 28, 2014, 10:28:34 PM »
Sorry guys. I missed all the fun today!

From my notes, when the screen is washed out white but there is still light to be seen, then the CCFL is NOT the issue, as Montech confirmed with this one. I have noted to check that fuse for a white screen and the F1 fuse for a blacked out screen.
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