Re: 19V2000 blowing F101 and F102

Make sure fluorescent bulb that lights the background is a "blacklight
blue" bulb (will appear as black with power off, faint purplish when lit).
On Nov 10, 2011 12:55 PM, "Robert Bayes" <robertab@swbell.net> wrote:

> The picture looks perfect on my repaired 19V2000 with one exception.
> There is a faint glow to the screen which is hardly noticable until you
> look at it installed into the cabinet. That glow becomes visible when
> reflected off the mirror and compared to the background image. Sort of
> takes away a little of the impact of that effect. Since it's been so long
> since I've seen another functioning Asteroids Deluxe, I can't remember if
> that is normal or not. I've tried adjusting both the brightness and
> contrast controls but, I can't minimize it any more. I can certainly live
> with it but, as obsessed as we all are about these things, we strive for
> perfection. Is this glow normal?
>
> Thanks.
>
> ------------------------------
> *From:* John Robertson <pinball@telus.net>
> *To:* vectorlist@vectorlist.org
> *Sent:* Tue, November 8, 2011 5:38:39 PM
> *Subject:* Re: VECTOR: 19V2000 blowing F101 and F102
>
> Robert Bayes wrote:
>
> Nevermind. I cleaned the HV diode connections and put a little pigtail
> in each end of the diode so it would make better connection. Now it’s a
> rock steady 14kV. John Robertson tried to help me with this monitor ten
> years ago and I never got back to him. Although I suspect you don’t
> remember and I hope you’re not mad John but, I had to drop it due to RL
> intervention. However, I used the B&W Vector Monitor FAQ guide to help me
> so, in a way, you were still helping me since you contributed to the FAQ.
>
>
>
> A very belated thanks.
>
>
>
> Robert
>
>
>
>
>
> Glad to help - even if it was years ago!
>
> HV diodes and their connections can lead to interesting things happening
> with the HV cages. A bad connection to the diode or failing diode can
> generate a surprising amount of heat - enough to char the rubber shield(s)
> on the connector!
>
> John :-#)#
>
>
> ------------------------------
>
> *From:* owner-vectorlist@vectorlist.org [
> mailto:owner-vectorlist@vectorlist.org <owner-vectorlist@vectorlist.org>]
> *On Behalf Of *Robert Bayes
> *Sent:* Tuesday, November 08, 2011 3:34 PM
> *To:* vectorlist@vectorlist.org
> *Subject:* RE: VECTOR: 19V2000 blowing F101 and F102
>
>
>
> Okay, so I did a HV cap kit; replaced the HV rectifier with an VARO 1812
> diode and replaced the bridge rectifier. It no longer blows a fuse but, it
> is blooming like a pulsating heart and I only read about 7KV of high
> voltage. I cannot adjust it any higher. Can someone suggest something
> else?
>
>
>
> Thanks.
>
>
>
>
> ------------------------------
>
> *From:* owner-vectorlist@vectorlist.org [
> mailto:owner-vectorlist@vectorlist.org <owner-vectorlist@vectorlist.org>]
> *On Behalf Of *Robert Bayes
> *Sent:* Friday, November 04, 2011 11:55 AM
> *To:* vectorlist@vectorlist.org
> *Subject:* VECTOR: 19V2000 blowing F101 and F102
>
>
>
> I have a 19V2000 in an Asteroids Deluxe and, after about ten minutes, it
> blows F101 and F102. Looking at the prints, it seems that it feeds the 38V
> to the high voltage board. The surprising thing is that it blows both a 5
> amp and the 1 amp fuse with only a diode separating them. Since this is
> heat related, I'm looking for suggestions as to what's likely to need
> replacement based on the experience of the community around here. I
> haven't put a cap kit on it yet but, what else should I look for?
>
>
>
> Does the bridge rectifier (DB100) fail often? How about C900? Does that
> ever fail shorted?
>
>
>
> Many thanks.
>
>
>
>

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Received on Thu Nov 10 15:02:26 2011