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edcosta
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Reged: 05/24/07
Posts: 178
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Re: monitor
06/06/12 10:04 AM


> Hey!
>
> I've seen this one!
>
> I'm an arcade tech that has been working on CRT monitors for about twenty years now.
>
> Your problem is a small capacitor. Usually 3.3 or 4.7 uf 50v.
>
> Capacitors can fail, (do fail) fresh from the manufacturer.
>
> Randy Fromm's monitor flowcharts say "Is the picture distorted or curved" -->
> "Electrolytic Capacitor failure, this is the most common failure of all. It is best
> to replace all the Electrolytic Capacitors at this time"
>
> He is right. Replacing all the Electrolytic Capacitors will solve this problem.
>
> Interestingly, the black 'blob' with edges that fade away from the 'spot' will look
> the same without a signal applied. Turn up the 'screen' knob on the flyback until the
> entire screen looks grey with retrace lines and the 'blob' will be dark black.
>
> It's a capacitor.

nice! thanks by info.







Entire thread
Subject Posted by Posted on
* monitor edcosta 03/31/12 11:29 PM
. * Re: monitor - RESOLVED! edcosta  06/28/12 04:22 PM
. * one question... italieAdministrator  06/29/12 12:06 AM
. * Re: one question... edcosta  06/29/12 11:27 AM
. * Re: one question... aavada  06/29/12 05:33 PM
. * Well, at the very least it gives me a chance to use this.... italieAdministrator  06/29/12 11:15 PM
. * Re: monitor Topheron  06/06/12 07:30 AM
. * Re: monitor edcosta  06/06/12 10:04 AM
. * Re: monitor grog  04/01/12 09:08 PM
. * Re: monitor italieAdministrator  04/01/12 07:38 PM
. * Re: monitor redk9258  04/01/12 12:02 AM
. * Re: monitor edcosta  04/01/12 12:20 AM
. * Re: monitor mogli  03/31/12 11:47 PM
. * Re: monitor edcosta  04/01/12 12:21 AM
. * Re: monitor mogli  04/05/12 04:08 PM
. * Re: monitor Garreth  04/25/12 09:03 AM
. * Re: monitor edcosta  04/26/12 12:27 AM
. * Re: monitor italieAdministrator  04/26/12 01:38 AM
. * Re: monitor Garreth  04/26/12 05:16 AM
. * Re: monitor italieAdministrator  04/26/12 09:05 AM
. * Re: monitor Garreth  04/26/12 09:22 AM
. * Re: monitor italieAdministrator  04/26/12 02:52 PM
. * Re: monitor edcosta  04/26/12 10:16 AM
. * Re: monitor R. Belmont  04/26/12 04:47 PM
. * Re: monitor Garreth  04/27/12 01:23 AM
. * Re: monitor italieAdministrator  04/27/12 07:36 AM
. * Re: monitor italieAdministrator  04/26/12 02:47 PM
. * Re: monitor edcosta  04/27/12 07:43 PM
. * Re: monitor italieAdministrator  04/28/12 12:26 AM
. * Re: monitor Garreth  04/30/12 08:56 AM
. * Re: monitor RetroRepair  04/30/12 01:44 PM
. * Re: monitor Garreth  05/01/12 06:56 AM
. * Re: monitor italieAdministrator  05/01/12 09:17 AM
. * Re: monitor Naoki  05/01/12 06:59 PM
. * Re: monitor redk9258  05/01/12 07:06 PM
. * Re: monitor Naoki  05/01/12 08:23 PM
. * Re: monitor italieAdministrator  05/01/12 11:50 PM
. * Re: monitor Garreth  05/02/12 09:30 AM
. * Re: monitor redk9258  05/02/12 06:11 PM
. * Re: monitor redk9258  05/01/12 06:52 PM
. * Re: monitor RetroRepair  04/28/12 01:32 PM
. * Re: monitor italieAdministrator  04/28/12 05:20 PM
. * Re: monitor RetroRepair  04/29/12 01:07 AM
. * Re: monitor italieAdministrator  04/29/12 02:14 AM
. * Re: monitor B2K24  04/27/12 09:57 PM

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