WGU2000/5000 vertical collapse parts list

blitz

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i am working on a WGU2000 with a vertical collapse does anyone have a list of parts to replace to correct this problem.
 
While the upgrade kit will most likely help, your issue is most likely U601...
 
The upgrade kit prevents frequent failure of U601. If the upgrade kit is not installed, then U601 could fail again in a few days.
 
should i just purchase the vertical sweep upgrade kit or do i purchase both the power supply kit and the vertical kit?
 
For a U2000, I would buy both kits. This makes the monitor bullet-proof and should last a long time.

Of course, keep in mind this monitor is now 20 years old and likely needs a capkit too.

The vertical sweep upgrade kit includes a new vertical output IC 601.
 
I remember back when, that when I was rebuilding that circuit I would also replace d302, and c305 but I would increase the value of r303 slightly, ( got to find my notes, it's been a long time ) so that the voltage delivered to IC601 would be lowered from 30v to around 26v. That would still allow proper operation, but ran a heck of a lot cooler. This was done as per conversations with the tech guys from WG.
 
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