Re: Spy Hunter help

Have you checked whether the watchdog is tripping the reset?

Have you turned on the test switch inside the front door?

Since the board is in an unknown state, I think the only way to test
them is a RAM tester or stick them into a known good board (any game)
and see if it works.

Franklin

Rich Gopstein wrote:
> I verified all of the ROMs. Two were swapped on the Sound board, but
> the rest were fine. I removed the battery and jumpered the + end to +5.
>
> The game behavior hasn't changed. It cycles through a few screens up
> to a crosshatch, then starts again. I tried the reset button on the
> CPU and on the Sound board, but they don't help.
>
> Any other thoughts? RAM? Is there any way to check the RAM?
>
> Rich
>
> On Fri, Sep 4, 2009 at 9:28 AM, Rich Gopstein <rich@ourowndomain.com
> <mailto:rich@ourowndomain.com>> wrote:
>
> Thanks. I'll give that a try tonight.
>
>
> On Fri, Sep 4, 2009 at 8:34 AM, Franklin Bowen <Franklin@bowen.net
> <mailto:Franklin@bowen.net>> wrote:
>
> Remove the batteries if they are still on your power supply board!
>
> Jumper the VBATT to +5. May still need to reset the board
> after power up. If there is no switch for that, just ground
> the reset pin momentarily.
>
> Franklin
>
>
>

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Received on Sat Sep 5 07:04:49 2009