Re: Asteroids Deluxe / V2000 problem

Yes, the rings on the yoke (on black & white monitors) adjust centering.
Moving the tabs closer or further apart adjust HOW MUCH you move the
centering, turning the tabs as a pair adjust the DIRECTION of movement.
On Nov 29, 2010 9:29 AM, "Scott Zeiser" <scott@zeiser.org> wrote:
> That was it - thanks guys. Not sure why I didn't replace then in the first

> place - I did pull a couple a while back to replace the transistor mounts
as the
> leafs were bad on a couple. But everything was "technically" working -- I
guess
> I figured if one of those was bad, you'd blow F600 or F700 and you'd lose
your X
> or Y signal altogether. Strange issue indeed.
>
> Now to center the image - crosshatch pattern is off-center, about 2 inches
to
> the left. I take it that's done with the yoke? No centering adjustments on
the
> monitor or an Asteroids Deluxe PCB...
>
>
>
>
>
> ________________________________
> From: Kevin Moore <talon.k@gmail.com>
> To: vectorlist@vectorlist.org
> Sent: Sat, November 27, 2010 11:06:30 AM
> Subject: Re: VECTOR: Asteroids Deluxe / V2000 problem
>
> I would agree with Andrew, I would suspect Q608, and Q709 or the section
that
> drives them.
>
> Kevin
>
>
>
> On Sat, Nov 27, 2010 at 8:21 AM, Andrew Welburn <andy@andysarcade.net>
wrote:
>
> You should take a picture of it in test mode, the crosshatch shows up
whats
> going on a lot better for me.
>>
>>Is the game pcb 100% ok? slim chance its an op-amp in the DAC section.
>>
>> It looks just like one of the monitor chassis transistors failing at the
top
>>end of its range/spec. You say you've changed the u57/u07 but don't
mention
>>anything about the 3716/3792? I'd guess you have a marginal chassis
transistor
>>that may well probably check good when metering out of circuit, but it
will
>>fail under stress in operating conditions, i have had this before.
>> --
>>Andrew Welburn
>>http://www.andys-arcade.com
>>----- Original Message -----
>>>From: Scott Zeiser
>>>To: vectorlist@vectorlist.org
>>>Sent: Saturday, November 27, 2010 2:10 PM
>>>Subject: VECTOR: Asteroids Deluxe / V2000 problem
>>>
>>>
>>>Anybody ever seen this before?
>>>http://www.youtube.com/watch?v=VH24sa23Er8 (Watch the left side of the
>>>screen)
>>>
>>>Monitor has been recapped, new HV diode, new deflection power transistors

>>>(U07/U57s), new big blue, AR-II board and game board have also been
capped.
>>>Problem has only gotten worse -- video is out of date, now the left 1/4
of
>>>the screen is crushed in. Test pattern shows up normally for the most
part,
>>>it's not as smashed in as the game is, but the left edge sort of pulsates

>>>back and forth...
>>>
>>>Recently picked up a cheap non-working AD board from ebay and repaired
it.
>>>Backup board exhibits the same behavior, which points back to the
monitor.
>>>But then recently I've had a friend swap in their deflection board and HV

>>>cage with no change.
>>>
>>>Any ideas?
>>>
>>>
>>>
>
>
>
>

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Received on Mon Nov 29 10:44:59 2010