Tempest resets at specific point in attract

From: Andre <livnfree_can_at_yahoo.com>
Date: Thu Jun 28 2012 - 09:35:30 EDT

Have a tempest pcb that played blind in a working cab. Found a couple pins touching between a cap and resistor by the y 1495's. Pulled the legs apart and screen came up, but entire image shifted half off bottom of screen. One of the 1495's was dead. Replaced and seems to work fine... but...

In attract mode it does an odd thing. Everything looks ok until it gets to the screen where the word 'tempest' comes towards you. The roman numerals in front of the word 'atari' fade out to black, but the word atari is fine. When the word 'tempest' zooms towards you, the word trails do not fade out but stay on the screen so the entire mass of tempest words start to ripple severely.. by ripple its not a physical monitor ripple but a fade to black ripple.. actually looks like the ripple effect you see when you try and film or take a picture (the camera viewfinder image) of a running crt, but way worse.
As I let it cycle a couple times through attract watching what it did, it eventually just would reset when the tempest words shot out about 1/3 of the way. There is a coin door click and the attract is starting over instantly. Its not monitor or cab as works fine with original boardset. Any ideas?

-- 
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Received on Thu Jun 28 09:35:49 2012

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