Re: Omega Race help - playing blind

Update:

I should have tried this before asking that last question.  I plugged the monitor into my working Asteroids Deluxe game and it does the same thing there.  No neck glow.  Spot killer is on.  No sense that the HV is kicking in (no static on screen).  No chatter.

So something is hosed on my monitor.  Anyone have a troubleshooting flowchart that a newb like me can follow?

Thanks again guys!

John

--- On Mon, 9/3/12, John Huie <jehuie@sbcglobal.net> wrote:

From: John Huie <jehuie@sbcglobal.net>
Subject: VECTOR: Omega Race help - playing blind
To: vectorlist@vectorlist.org
Date: Monday, September 3, 2012, 4:10 PM

I rescued an old Omega Race from an abandoned building and brought it home and (shockingly) found severe acid damage on the board.  Someone kindly sent me a nice clean board that was missing a few components so I swapped the parts from my other board to this one and now it is playing blind.

I've checked fuses and voltages and they are good.  I installed a cap kit in the monitor as well but still don't know for sure if the problem is the monitor or the game board.  The spot-killer light is on.  I also went through and resoldered all the connectors.

I just went and measured at the monitor connector between the "X Input" and "X ground" and I'm getting around 12 volts there.  Same thing between the "Y Input" and "Y ground" pins.

But between the "Z Input" and "Z ground" pins I'm getting a zero volts reading.  So it sounds like I have some kind of game board probelm if I'm understanding this right.  (I'm a newb but trying).

Any good tips on what to look for on the main game PCB?

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Received on Mon Sep 3 19:48:08 2012