Re: ASTEROIDS VIDEO OUTPUT

Louis Srianomai wrote:

>Good chance that the Op-Amps went out. I had the same problem about a
>year ago on 2 boards. I replaced all 4 op amps (2 81s and 2 82's) and got
>video back. The bad op-amp probably took your 4016's out too so you
>need to replace those, or you may get squished video.
>
>

And whenever you have to replace a 4016 use a 4066 instead. It's an
improved and more reliable part.

>--- Mike Ellingson <mike.ee@gte.net> wrote:
>
>
>>Hi. I have an Asteroids board that plays but no video. Self test said P4 was
>>bad. Replaced all 4 vector rams and still no video and now no self test.(just
>>one single chirp) when any botton is pressed but game still plays. Tried a
>>vector eeprom from a parts board and no change. would greatly appreciate any
>>help.
>>Thanks
>>
>>
>>

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Received on Fri Oct 4 01:05:21 2002