Matt
If it displays the right half of the picture top to bottom -you do not have a
vertical problem.
Matt Rossiter wrote:
> Hey all,
>
> I brought home a Centipede that had a dead monitor. I replaced the caps and
> installed a new HV unit. It now powers up, but only displays the right half
> of the picture with a line running down the middle -looks like a typical xy
> failure but on a raster game. So, basically I have a vertical deflection
> problem.
>
> Here's what I've done so far...
>
> 1) Tested the transistors in the vertical output circuit - X401 and X402 -
> they test fine out of circuit. I believe the signals are good too when
> testing in circuit.
> 2) FR401 (the fusible resistor) is fine.
> 3) Checked the signals on IC 501 and they look good. Swapped in a new IC
> just to be sure.
> 4) Checked other resistors and capacitors within the vertical output
> circuit.
>
> I just can't seem to trace down the problem, but it could be something
> simple I'm missing. Has anyone else run into a similar problem?
>
> Matt
>
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Received on Mon Jul 28 10:01:27 2003
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