Electrohome G05 801 Problem

buxtonore

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On my Asteroids game there is A dot in the middle of the screen. It appears about 5 minutes after the game warms up. The game does work ,and I have read the G05 F.A.Q. guide. It discusses when you just have A dot on the screen, but no picture. I have A picture. I have tested the components in both the Bottom Panel Assembly, and the Deflection Panel Assembly. Everything has tested normal. Does Anyone have any other ideas? One of the boards did start smoking A couple of weeks ago, but did not seem to cause any problems.
 
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My Asteroids is also running a G05-801. It has a very faint dot in the center of the screen. I never found a cause; it seems to be a fairly common thing with the 801's.

Since the picture is great otherwise, I just ignore the dot. If I adjust the brightness/contrast to where the dot disappears, then everything else is invisible too.

If your dot is bright, then it may cause phosphor damage.
 
Dot

Either your brightness is too far up or you have a phosphor burn in the middle of the screen from thew monitor running too long with no deflection.
 
Did anyone ever figure out what caused the illuminated dot?

I ask as I have just come across this situation myself, perfect display with a dim dot in the center of the screen. Funny, during the HS table, the dot disappapears but when the attract comes back so does the dot.

Also the spot killer does not seem to be functioning properly.

I am going to read the manual, the FAQ's once more as a reffresher and start a new thread.

Jeff
 
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