Motorola TS-4J

[Zsuttle]

Originally Posted by timmy

More pics.. You said the pic is on the dark side and Alittle jittery, have you checked the contrast/ agc adjustment on the front right. There may be 2 caps off that pot, maybe check them.

It could be, the when the contrast is all of the way up, the picture goes out of control. I'll replace the three that are there. EDIT: I was able to successfully get the picture back to normal by replacing the three capacitors around the contrast control. However, the slight shudder is still there along with the uncontrollableness created by turning the contrast or brightness to full.

Originally Posted by Electronic M

May want to scope the sync separator...if it is letting video or noise through that could be freaking out the sweep.

Not entirely sure what to look for, however, here's the output of the plate on the sync. Hopefully that helps.

20190220_153323[1].jpg


I've also purchased a TV analyst for troubleshooting, seems like a useful tool. WOn't be here for another week