Television and Home Theater

Hi Larry it's me again. Again with RCA CTC197AH. You remember i sad that it would worked fine after ajusted the RED BIAS no more bleeding, but it would run fine for 40 minutes and then the horizontal goes out keeping good sound, no pic, if i unplugg from wal and let it sit for some time and try again it come up for same cycle.I just learnd correct me if i'm wrong,>There is an ERROR code,when i enter the service menu #1,#2,#3,are ERROR CODES.and #1 sais 10,and the other two say 0.

Panasonic CT-36D11 36: I turned my televison on this morning and there was no picture and there was no sound except a high piched sound like it was coming from the back of the

     I'm working on a JVC Model # AV-27020 (dom 9-99).  As soon as any signal is applied to it, a black box appears on the lower half of the screen.  It looks like the menu background, but when removed through menu controls, it reapears immediately.  I have had similar issues with Panasonic TVs in the past and it always ended up beeing a week cap in line, but I have no schematic available to further troubleshoot this JVC.  Can you point me in the right direction?     Thanks     Nick.