Zenith Advanced System 3 picture tube testing

[dieseljeep]

Originally Posted by Kevin Kuehn

Well duh, the board numbers were on a paper label on the inside of the cabinet.

9-959 Main
9-1075 SMPS/Sweep

Since I've gotten this thing to my place it's back to not powering on. When I push the power switch the green light on the front comes on, but the power relay does not pull in. Pushing the switch a second time won't turn the light back off. So I suspect there's something flaky with the on-off circuitry.

[edit] Actually the green light that comes on is the stereo indicator. But it won't turn off when the power switch is pushed a second time.

I looked through my junk stash and I have a chassis assembly, that came from a set very similar to the one you're working with. The main board is a 9-959, but the sweep is a 9-754-1.
The original problem was the set wouldn't always start the first time.
I pulled the boards and found a few solder connections that were loose.
I returned and it still wouldn't work and the owner said forget it.
If you think you could use them, P.M. me.