Re: 6100 help

Schematic shows 181v on pin 5 in the molex. I believe it's the red wire
(you better double check to be sure).
If I were just guessing, I bet this is a silicon problem in a transistor in
the HV section. I'm pretty amature, so I could well be wrong.

http://pdf.textfiles.com/manuals/ARCADE/S-Z/Wells-Gardner%206100%20XY%20Quadrascan%20%28TM-183%20xxx%20Printing%29%28Tempest%29%20%5BServ-Schem-Part%5D%20%5BEnglish%5D.pdf

On Sat, Feb 8, 2014 at 9:49 PM, John Robertson <pinball@telus.net> wrote:

> I don't have the schmeatics handy, however I do find that stabbing the
> positive voltmeter probe into the Molex connector works quite well to
> monitor the voltages. Just jam the negative probe to the metal frame
> somewhere (jumper/alligator, etc.).
>
> The schematics will show you the required voltages.
>
> John :-#)#
>
>
> On 02/08/2014 7:41 PM, Joel Griffin Dodd wrote:
>
> Have to admit I missed checking that, doh! How do you do it on a 6100
> On Feb 8, 2014 7:40 PM, "Jimmy Ipock" <jipock@gmail.com> wrote:
>
>> How's the B+ look?
>>
>>
>> On Sat, Feb 8, 2014 at 9:14 PM, Joel Griffin Dodd <griffindodd@gmail.com>wrote:
>>
>>> Hi all.
>>>
>>> Trying to repair the 6100 in an Atari Space Duel I picked up.
>>>
>>> Did a Bob Roberts kit on the HV and an LV2000 on the deflection with
>>> replacement caps and replacement transistors on the chassis. The deflection
>>> powers up on its own and voltages on the LV2000 test good.
>>>
>>> With everything assembled the monitor powers up for about 2 seconds and
>>> then the HV box makes a click and the + 26v LED on the LV2000 goes out,
>>> this happens about 1 second after the spot killer led at D800 turns off on
>>> power up. Even after the click I still have the white spot of doom on the
>>> tube and neck glow but no picture. Game plays blind and fine.
>>>
>>> I can repeat this process by powering off and back on again. No fuses
>>> are blown
>>>
>>> Prior to the rebuild the monitor had burned out the LV area of the
>>> board.
>>>
>>> Looking for suggestions at this point.
>>>
>>> Thanks
>>>
>>> Joel
>>>
>>
>>
>
> --
> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
> Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
> www.flippers.com
> "Old pinballers never die, they just flip out"
>
>

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Received on Sat Feb 8 22:55:49 2014