Archived from groups: rec.games.video.arcade.collecting (
More info?)
Ken's repair guide is an excellent tool, if I remember correctly, it has
symptom-solution entries and a list of the most common cap failures, among
other helpful info. Change the caps listed if you don't do a complete cap
kit, the monitor is fairly old.
"gs" <gibrans@nospamyahoo.com> wrote in message
news:l%JWd.4839$603.4396@newsread2.news.atl.earthlink.net...
> Thanks for the reply--I got some great advice from Ken Layton as well.
>
> I try the repairs when my Mouser order arrives and post the results here
> for posterity.
>
> Thanks again!
>
> G. Silber wrote:
>> "gs" <gibrans@nospamyahoo.com> wrote in message
>> news:41uWd.2995$CW2.2574@newsread3.news.atl.earthlink.net...
>>
>>>Symptoms: No picture, and a mild squeal from the chassis.
>>>The neck lights up just fine.
>>>
>>>Actions so far: I changed the caps recommended in the tech section of
>>>
www.meritind.com, as well as the LM1203N on the neckboard (I socketed it
>>>as well). No changes whatsoever.
>>>
>>>I'm still a novice at monitor repair, so I'm not sure where to turn next.
>>>Anyone have any experience or advice?
>>
>>
>> I had a similar problem, mine was shorting Q102 as soon as it was turned
>> on. Strange because there was nothing immediately associated with this
>> component that would do that, and the B+ was good. Scoping IC401, there
>> was a bad horizontal output signal. Changing Q102 and IC401 worked for
>> me.