Re: SW monitor prob...

The game had been playing fine for ages and just went, so i guessed it to be
a monitor problem, maybe i should try them, i'll give it a go......

thanx to everyone for all the info....

Pinx
----- Original Message -----
From: "Chris Loggans" <cloggans@yahoo.com>
To: <vectorlist@vectorlist.org>
Sent: Wednesday, April 06, 2005 10:37 PM
Subject: Re: VECTOR: SW monitor prob...

> Did you try adjusting the image size on the game
> boards?
>
> Thanks,
> -Chris
>
> --- Pinx <pinx.32@tesco.net> wrote:
>> It is in focus,
>> just a really large image so some of the image is
>> off the screen....
>>
>>
>> Pinx
>>
>> ----- Original Message -----
>> From: "Thad Seeberger" <maddthad@jlab.org>
>> To: <vectorlist@vectorlist.org>
>> Sent: Wednesday, April 06, 2005 9:15 PM
>> Subject: Re: VECTOR: SW monitor prob...
>>
>>
>> > Is the image focused? if its focused (DURING
>> BLOOM) you have XY drive
>> > problem. Check the focus block you could have
>> something leaky make sure
>> > there is no corona. When measuring the HV is it ok
>> while blooming (loaded)
>> > or with no drive. If its fluctuating there is a
>> problem with the
>> > regulator. If its bllooming because of HV drop you
>> will loose focus also
>> > since the focus is just a divider of the HV. Make
>> sure there is no DC
>> > offset on XY input. I havent been following this
>> thread so you might have
>> > already checked but I cant think of what else
>> would make it bloom other
>> > than a CRT with low emision, is the heater got
>> 6.3V on it? and all the
>> > connections good on the socket such as cathode,
>> heater, focus etc. It
>> > definately sounds like a regulation problem. I
>> would buy the repacement HV
>> > kit from arcadeshop. I've installed a few of them
>> and I think they are
>> > well worth it.
>> >
>> > Thad
>> >
>> >
>> > Pinx wrote:
>> >
>> >> Right,
>> >> now i am really baffled, not only have i
>> re-capped it but now i have
>> >> replaced the transistors at Q901, Q902, Q903,
>> Q904 and replaced the
>> >> Zeners at ZD900, ZD901, ZD902. I have also
>> replaced the resistors at
>> >> R912, R920, R922, R925.
>> >> I put my HV probe in with the monitor switched
>> on and set the HV to
>> >> 19500V and still the image on the screen is
>> massive !!!
>> >> Starting to pull my hair out now (not that ive
>> got much) any more idea's
>> >> anyone ? Should the HV be measured with the game
>> pcb unplugged ?
>> >> Pinx
>> >> ----- Original Message -----
>> >> *From:* Pinx <mailto:pinx.32@tesco.net>
>> >> *To:* vectorlist@vectorlist.org
>> <mailto:vectorlist@vectorlist.org>
>> >> *Sent:* Friday, April 01, 2005 7:36 PM
>> >> *Subject:* VECTOR: SW monitor prob...
>> >>
>> >> Hi guys,
>> >> just recently the WG in my SW has developed
>> a problem where the
>> >> image is massive, so you cant see it all on
>> the screen. I have
>> >> been told this is "blooming" and so i have
>> just re-capped the HV
>> >> section, but i still have the problem. Is
>> there anything else on
>> >> the HV board i should replace to cure this
>> problem ?
>> >> TIA
>> >> Pinx
>> >>
>> >
>> >
>>
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>> > ** Please direct other questions, comments, or
>> problems to
>> > chris@westnet.com
>> >
>>
>>
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>>
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Received on Wed Apr 6 17:42:09 2005