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Author Topic: UH, What did I do? Monitor died  (Read 1940 times)

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Hoagie_one

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UH, What did I do? Monitor died
« on: April 24, 2009, 01:40:43 am »
Jamma cab with jpac + arcade VGA

Just got the new mame cab set up and I was messing with the h-hold to try to get some more real estate on the monitor.  I turned the h-hold knob a little far to the right.  I got a scrambled picture, then a squeal, then the monitor died.  It wont power up now.

What Did I do and how can I fix it?
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SirPeale

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Re: UH, What did I do? Monitor died
« Reply #1 on: April 24, 2009, 01:40:38 pm »
Make/model of the monitor in question?

Turn the H hold back all the way and power it back up.  I have a monitor that does the same thing. 
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Hoagie_one

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Re: UH, What did I do? Monitor died
« Reply #2 on: April 24, 2009, 02:13:25 pm »
Yeah, this morningI turned it back and it started right up.

I thought i toasted it.
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SirPeale

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Re: UH, What did I do? Monitor died
« Reply #3 on: April 24, 2009, 06:08:29 pm »
Nope, you just triggered the protection circuit.  Scary at first though...isn't it?
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Hoagie_one

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Re: UH, What did I do? Monitor died
« Reply #4 on: April 25, 2009, 10:07:30 pm »
f'real
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qrz

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Re: UH, What did I do? Monitor died
« Reply #5 on: April 25, 2009, 11:06:13 pm »
RCA had a chassis that the hfreq could be pulled off far enough to trigger shutdown.
the "fun " part was everything was menu driven. the set had to operate to adjust anything.

only way to restart under that condition , was to detune the h output ( add a cap to hot) then adjust h freq.
sometimse, had to do so with a severly corrupted eeprom..... (ctc177 )

qrz
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