Cinematronics Monitor

FrizzleFried

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Armor Attack here... the monitor is dim... which I know how to address... but what I am finding strange is that the lower intensity lines appear to be pretty clear, but the higher intensity lines (chopper, etc) lines appear to be out of focus...

Is there a focus pot on these monitors?
 
Alright... I found some docs on the monitor issue via google. I knew the monitor was dim (needs rejuvenating)... so evidently when you crank up the brightness the higher intensity lines become muddy/blurry as they're being over-powered just so the lower intensity lines can become visible.

BTW - Anyone know the rejuvenator adapter number for this monitor?
 
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Seems my dumb-ass asked this same question back with my Star Castle...

Answer is CR6 6.3V heater.
 
OK... I ran a single REJUV and TEST/CLEAN through the tube and...

It's MUCH better. That said... there is now a HUGE delta between the high intensity beams and the low density beams... I can turn up the monitor so the low intensity beams look great, but then the high intensity beams are WAY WAY WAY bright and show extra lines, etc....

I'd read about a variable resistor mod that can be made to adjust the high intensity beam...

Would it be recommended to perform this mod rather than run the tube through a 2nd round of rejuvenation?

Emission tests went from VERY BAD (barely moving the needle) to about mid-scale..

I'm always afraid to run a tube through more rounds of rejuvenation than necessary.

EDIT: I found the MOD in question... remove the resistor from R10 and replace it with a 5K-ohm pot.

NOW... time for a stupid question.

I have two types of pots... ones with 3 prongs and ones with 4 prongs. Do they make ones with two prongs as (obviously) there are only two holes where the current resistor resides.
 
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Welp... looks like i just use a 3-pin pot...middle pin one hole left or right in the other... the last pin gets unused...
 
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