Does the game play if you connect watchdog disable to ground?
Does this have the 2716 roms or the 2732 roms?
Matt
On 6/5/2010 3:40 PM, Malcolm Mackenzie wrote:
> Been working on this board for months on and off. Looking for a bit
> of direction here.
>
> Board came to me completely dead. Almost all of the RAM chips were
> dead and I ended up replacing the ROM set with a known working one.
> CPU is new, and vector ROMs have been replaced with known working
> ones. I've diode tested all the TTL chips on the board with no
> obvious failures. Aux board and cable are known working. Headers
> reflowed
>
> Current state of the board is it fully passes self test with stable
> video. If I switch it to game play, I get flashes of text and
> sprites, but no tube and the scaling seems off as some of the sprites
> and text seem too big. I also see selftest text flash on the screen
> during game mode.
>
> Anyone seen anything like this before? Just need a place to start
> looking.
>
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Received on Sat Jun 5 20:59:01 2010
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