K4600: only bottom 1/3rd of screen after kit

mc300baud

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as the title says, i just did a cap kit on a K4600 and now it shows only the bottom 1/3rd of the screen.

i swapped in a couple of working horizontal and vertical cards and it made no difference, so it's likely something on the main board. unfortunately i don't have another K4600 handy to test my cards in.

i checked for blown caps in case i put something in backward and didn't see anything.

and yes, i reflowed the h/v card header pins on the main pcb as well as on the cards.

any help is always appreciated.
 
Double/triple check the polarity and solder joints on the ~9 caps from the kit that are on the main board.
 
i'll do that in the morning.

i did find another K4600 chassis that works so i might swap that in if i can't easily figure out what i messed up.
 
ok, i checked the solder and the polarity and it's all good. i also tested my vert card in another K4600 and it works just fine.

could i have received a bad cap?
 
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