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Old 03-16-2011, 12:03 PM
kx250rider's Avatar
kx250rider kx250rider is offline
REAL TVs have TUBES!
 
Join Date: Oct 2005
Location: Los Angeles & Dallas
Posts: 3,239
Quote:
Originally Posted by andy View Post
I thought he said he was adjusting the variac for 139 on the filter cap (before the regulator).
I said Variac by mistake; he's using an isotap which was putting out 117.

Quote:
Originally Posted by Eric H View Post
Charles, Is the HVR the red thing in the 2nd anode line?
Any way to check it, it seems permanently attached to the Flyback.

I'll sub those caps you suggest, I already pulled the Filter and subbed it with no effect.
The HVR block is the red one mounted on the CRT shroud, with the FBT in and 2nd anode out, plus a small red overvoltage sensor wire (comes out behind it at the bottom). That goes to a plug on the board, which has a safety interlock. To check if the HVR is the problem, you can either unsolder that small wire from the HVR, or if you unplug from the board, you have to short the pins which have the interlock jumper in the plug. If the set stays on, and the B+ is still low, you have a leaky HVR. If it works fine, you have a faulty overvoltage sensor inside the HVR, and you can "get away with" leaving the wire disconnected "at risk", of course. But if the B+ is still pulled down, it will blow something FAST if you leave it on.

Charles
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Collecting & restoring TVs in Los Angeles since age 10

Last edited by kx250rider; 03-16-2011 at 12:11 PM.
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