Re: Asteroids no video

Same way as raster, best to use a High Voltage probe to discharge the tube
to protect the HV diode. They do not like sudden shorts for discharge-tends
to damage the diodes.

John :-#)#

At 05:28 AM 28-12-00, Dan Piraino wrote:
>Im not familiar with discharging HV units on G05's. I have only discharged
>raster
>type monitors. How is this done?
>
>John Robertson wrote:
>
> > Remember to be careful about the HV anode connected to the picture tube
> > MIGHT have a rather large CHARGE! SO I would carefully discharge the tube
> > BEFORE attempting to solder anything. Now in this case the HV diode is a
> > press fit into the two rubber plugs on the red HV lead. I don't think it
> > was soldered. Just carefully press the ends back on to the HV diode, and
> > make sure to wipe the red HV lead to make sure there is no guck that might
> > be conductive as well.
> >
> > John :-#)#
> >
> > At 06:56 PM 27-12-00, Matt J. McCullar wrote:
> >
> > > > I have received word from the customer( I dont have the game with
> > >me)that when
> > > >he wiggles the wire connection to the HV unit he gets video back
> then after
> > >a
> > > >little bit every object gets really big and video goes out again.
> Possibly
> > >a bad
> > > >solder connection?
> > >
> > >
> > >Sounds like the high voltage is going out, causing the "blooming"
> effect. A
> > >bad solder joint seems like a good place to start. Look at the joints on
> > >the connectors of the HV unit, where the cable harnesses plug in.
> > >
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Received on Wed Dec 27 13:51:29 2000