"Zephy" wrote in message
oups.com...
| Help! I have an old video sculpture I built in 1995. It has three 9" B
| & W monitors. They were originally obtained via mail order from Herbach
| & Radman - they're just a circuit board and a CRT - it takes composite
| input, operates at 12V.
|
| Well, I just sold this sculpture to someone, and need to get it working
| properly again. I tested the 3 monitors; two are good but one of them
| will not hold a stable pictu no matter how carefully I adjust
| Horizontal hold, Vertical Hold (and V. LIN.) it rolls and shudders side
| to side, changes vertical rate (I think), won't lock in.

What are you using to generate the signals?

N