I have given you the information you require to troubleshoot your set.
Taking you step-by-step through the process is not something a $13 deposit would cover. (of which I see only a token amount). I hope you understand.
This is not the correct forum for a first "untrained" dive into a potentially lethal endeavor.
The flowchart gives the exact reference points on the board to check.
There will be corresponding numbers printed on the circuit board.
An Ohm meter is not what you need - you need to be able to measure
DC voltage with the system powered on.
The service manual is not readily available online... as each service manual is approximately $125 print copy, and Sony frowns upon techs giving the information. If you are caught - and are an authorized service center - they pull the authorization - no questions asked. And is likely why the information is not so abundant online.
I'm happy to copy snippets of mine here and there - but providing the entire thing is something I will not do.
If you're on the monthly unlimited plan - that is a different story... as I can get credit for each answer provided... it is actually worth the time investment (on both of our parts).
If you're on the unlimited plan - ask away. If not - you may want to sign up. It allows unlimited
questions for one low fee for 30 days. This also allows experts to get multiple accepts and increase earnings.
Take the back off the Set to start with - and then take a look around. See if it is something you wish to tackle.
Let me know what you decide.
Thanks!!Warning: TV circuits are dangerous, make sure you follow all safety procedures. It is suggested you should have at least a little knowledge of electronics and the dangers associated before attempting any repairs without proper training. Electronics (especially TVs) contain potentially LETHAL amounts of electricity that must be completely and properly discharged before attempting or troubleshooting repairs.
If you decide to attempt a DIY repair - do it only if you have full and total confidence in yourself and your abilities, and understand the consequences of working in this type of environment un-trained.