Re: On to the experts...

At 10:32 AM 10/9/97 -0400, you wrote:
>On Thu, 9 Oct 1997, Mit Matelske wrote:
>
>> I have reached a stumbling block in repairing my first
>> WG monitor. After replacing a lot on parts, everything
>> seems to be working alright EXCEPT I am missing the
>> bottom 1/4 (or maybe half) of my screen.
>
>Are you sure it's the monitor, and not the game board ?
>
>Example: I had an Asteroids where the screen was squashed to the bottom half
>of the screen. Nothing was missing, but the picture was half height. Problem
>was the output buffer for the Y driver on the game board. It was blown and
>not operating at full frequency response. Result: about half the waveform
>output -- screen squashed.
>
>If you've got a spare of anything, try swapping, or hook a scope to the PCB
>output. Quick check to keep you from going down a blind alley.
>
>If this is too obvious and you've already done it -- please excuse.
>:-)
>

Chris-

Excellent point!! This WG is for my Tempest, and all the testing had been on
my SW cockpit. The monitor sits at the perfect height on some cinder blocks
to reach the monitor plug.

I'm pretty sure the Tempest boards don't work right anyway :(

Mit Matelske
Received on Thu Oct 9 07:42:37 1997