If the screen is upside down and backwards look for a bad MC1495 chip at C12 or C13 (can't recall right off which it is). When those go you can get no video or mirrored video.
-Malcolm
On May 8, 2012, at 4:20 PM, Douglas Gauck wrote:
> The 'F' should change when you spin the spinner. Does it?
>
> EQPM means bad EAROM, POKEY at B/C2, POKEY at C/D2, and Math Box. So I'd look at the interconnect cable and both sets of pins again, plus voltages on the Aux. PCB (+5, +22 and -22 volts)
>
> -Douglas
>
>
> On May 8, 2012, at 3:02 PM, Elliot Braun wrote:
>
>> Hello,
>>
>> I have owned this Atari Tempest system for about 7 years now. One day it just quit starting up. Power comes on but no game play.
>>
>> I have rebuilt the large board connector both ends (blade connector?), no love. I have replaced the big blue cap. nothing. I have checked power with a VOM and all looks well. I have reseated and resoldered interconnect cable.
>>
>> This screen appears upside down.
>>
>> I have attached the test mode screen. The re is no visible video in normal mode, just spot blocker led on monitor flashes.
>>
>> Player buttons light solid and board led is lit.
>>
>> Please help. I miss my tempest!
>>
>>
>> Thanks,
>>
>> Elliot
>>
>> <photo.JPG>
>>
>> <photo.JPG>
>
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Received on Tue May 8 19:24:05 2012
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