Motorola TS-4J

[TonyP]

Ive recapped my VT71 and it has a case of slight horizontal and vertical jitters. then again, every tv where i use the dvd plaver has the same jitter issue. i wish i had ann over the air signal to use. maybe it the video source causing the jitters

[timmy]

Originally Posted by TonyP

Ive recapped my VT71 and it has a case of slight horizontal and vertical jitters. then again, every tv where i use the dvd plaver has the same jitter issue. i wish i had ann over the air signal to use. maybe it the video source causing the jitters

did you try one of those 75-300 ohm transformers where it has the threads on one end and the 2 wires on the other, that's what I use and it's perfect.

[Zsuttle]

Well, I had replaced all of the caps in the sweep circuits. Later today I'll try injecting a composite signal and seeing where that gets me.

~Zach

[timmy]

Originally Posted by Zsuttle

Well, I had replaced all of the caps in the sweep circuits. Later today I'll try injecting a composite signal and seeing where that gets me.

~Zach

It may be possible that the alignment is out just a little, if you check the schematic you can very slightly move the channel 3 adjustment on top of the chassis, but do make sure you have a good signal to start with.

[Zsuttle]

Well, tried injecting a signal, couldn't get it to go through the way I wanted. I've combed over the horizontal, vertical, and sync and cannot seem to locate the problem. Is it possible that it's emanating from earlier in the circuit in one of the video sections? The picture appears darkened and has the horizontal jitter. The frame is not centered all of the way, with a little black bar at the bottom.