60" RCA PROJECTION TV

You may need to replace Lamp again if you watch TV alot Lamps only Last between 5,000 to 8,000 playing Hours ,so for every hr you plat TV Lamp dies.

bad lamp

replace CP150 and CP114 you can get them at the following link they also have the ITC222 service manual which is listed under Thomson as Thomson makes your TV for RCA. The Capacitors are listed under the RCA parts and they do send instructions with pictures of where the capacitors are located as well as how to remove the board.
http://servicemanuals.vstore.ca/

Resolder FBT pinns flyback transfomer on deflection board also CK capacitors 3 of them cp114,120,150 if anmy of them is puffewd up on top it is bad.cp150 2200uf 16v other 2 are 220uf 35v replace all 3.

Sounds like power supply. Probably time for a new tv. You have already got almost 20 years service.

this is the conversion IC chip , it needs to be replaced

All symptoms in your TV shows that you need to replace its Lamp as it has been consumed its life hours and TV requires new lamp. Lamp can be obtained from Sony Website. Price is $200, Hope this info will help you to enjoy your Sony TV in coming days.

Does it stay black after you turn it on?
if so, your lamp may be blown.
have an experienced person check, just to be sure.

Sounds like the CRTs are going into protective blanking due to the vertical output ic needing to be resolderd. Try resoldering the vertical IC that may possibly fix the issue.

You may have a ballast issue