Re: VECTOR: Go5/801 probs (Asteroids)

-----Original Message-----
From: "David Pinckney" <[email protected]>
To: <[email protected]>
Date: Fri, 24 Dec 2004 16:02:10 -0000
Subject: VECTOR: Go5/801 probs (Asteroids)

> Hi,
> my first post, so bear with me,
> 
> i finally got my Asteroids cab working after re capping etc.. only to lose the "Y" axis after two weeks, i took out the deflection pcb and after metering the TIS98 transistors i found Q601 to be duff, i replaced this and it then meter'd fine, but still the same prob, so i took out the large heatsink and replaced Q607 and Q608 although i had already replaced all four (both "X" and "Y") during the rebuild, but still the same prob.
> All i have is a horizontal line across the screen, which you can just make out is the game playing, i have two working game pcb's and it gives me the same fault with both, so i'm pretty sure it must be something to do with the deflection pcb. 
> This is my first vector game, so any advice would be welcome....
> 

arent the deflection transisters on the chassis like on colour monitors?
your describing the classic deflection transister failure fault.