WITH REMOTE SET MAY TURN ON WITH PERFECT PICTURE AND SOUND AND WILL OPERATE FOR SEVERAL WEEKS. THEN AFER TURNING OFF WITH REMOTE AND TURNING ON ONLY SOUND CAN BE OBTAINED.THIS CYCLE HAS REPEATED ITSELF SEVERAL TIMES. PRESENTLY ONLY SOUND BUT KEEP EXPECTING IT TO RECOVER PICTURE.
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Rca has been known to have bad solder joints in the deflection circuits. Usually around the flyback and transformers.. check it over real good. Just be careful as you can still get shocked after the powers removed the capacitors and picture tube will hold a charge in them.
No picture - screen is empty. Sound is ok
Check IC101 (BA7630F), if video signal comes to input (pin 1) but not present at output (pin 14) then replace this IC No picture and sound, only a high pitch sound at switch on
Remove horizontal transistor and measure the resistance across any two pins. This value should be no less than 200ohms
Picture fades away few seconds after start-up till no picture.
Sometimes no picture at all. Sometimes picture OK for longer. Sound
Faulty joints on CRT pcb. Cracked solder joints at tube socket
connections on CRT circuit board. Caused variable supply to CRT
heaters. Resolder all socket pins to pcb.
You can try this on the remote in standby mode, meaning tv plugged in but set off. Press Display,5,vol+,power on remote.Press each button within a 1 sec interv. Next the CRT display the item being adjusted. Press 1or4 on remote to select item. 3or6 to change the data. Press Muting then Enter to write into memory. Service Reset muting green enter red. Press 8 then enter on remote to initialize. turn set off to exit. wait least 10 sec. before turning back on.
If the screen displays VIDEO 1 then the set is in video 1 mode, looking for a signal on the video 1 input jacks. Press the TV/VIDEO button on the remote (or the set itself if it has it) and cycle around to the input you are actually using.
I think you have a short somewhere inyour set most likely the horizontal output transistor which may have shorted by the high voltage transformer going bad.
The faint ticking sound that you hear is the power supply trying to start but the shorted load won't let it.
The tv can be repaired by a qualified Technician,the replacement of the sensor ? should not be too expensive,the question is if the tv reacts to some remote commands or to none,if it does not reacts it could be the remote too.The sensors go bad but very rarely.Good luck.