Zenith color console 14B9C50
 

Just got this one the other day from a friend. Turns on with sound and backlit channel selector but no video. What year would this one be? I figured somewhere between 68 and 72. If more pics are needed, lmk. Really want to see this one working.

B is 1972. Does it have raster?

Ok, thanks. Nope, nothing. Just the heater.

Don't run it for more than a minute like that. Check grid voltage on the horizontal output. Should be around -75V. If not your horizontal oscillator isn't running.

Isn't that the 6U10 tube? Set needs to be on or just plugged in?

Clean set. Tubes I can see are OEM. White or yellow = OEM, red labeled are replacements.
Hoz out usually fused with a Bel-Fuse Those 2 green squares are examples
Hoz will be black & say 500-1. Center rear on top or under chassis IF it uses one.
Careful of that HO tube, VERY expensive !

Zeno:smoke:

I don't recall seeing a fuse for that but I'll get in there tomorrow and look.

Zenith bel fuses are plastic rectangles.

Yeah I seen the two green ones but didn't notice any others.

I'm gonna get in there this evening and look to see if there is a fuse near the oscillator. Also I'll test for reading. Where should I put my leads? Just wanna make sure I get it right.

By convention use the steel chassis for ground ( - or black lead).
Newer sets may have several ground points. Voltage is measured
at the Hoz out tube G-1 (6LB6 ? ). If the voltage in NOT very
negative ( @ -70 to - 90 VDC ) it will eat the H out & in some cases
melt it ! So keep testing under 1 mn til you get a raster.
You can measure from the top, you just need to count the pins CCW.
Pin out is on any data sheet for the tube.

Zeno:smoke:

Ahh ok, number 5. I'll get in there tomorrow and see what I get. I'll check for that belfuse as well :thmbsp:

One pic shows a fuse nearby. I couldn't get a reading. Did I do it right?

Looks right. See if the fuse is open.It goes between the hoz out cathode & GND.
If blown you can just jump it out for a FAST check, < 1mn.
Things can get complex now so take it slow, one thing at a time. NO shotguns !

Zeno:smoke:

If I did it right on meter, it showed open. I'll jump it for a few secs. If jumping it, what will it do? Work normally or?