My sony trinitron turns off by itself and then the stand by light blinks five times then pauses for like 4 seconds then flashes 5 times and repeats

This typically means you have a bad capacitor, you can inspect for any swollen or bulging capacitors however unless familiar with desoldering boards best leave it to a repair technician.

1. Turn off the television. IMPORTANT: For a projection television that uses an internal lamp, wait 5 minutes after turning off the television to allow the lamp to cool before continuing with the following steps.
   
2. Unplug the television power cord from the electrical outlet.
3. Let the television remain without power for 60 seconds.
4. Plug the power cord back into the electrical outlet. NOTE: If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.
   
5. Turn on the television.

If the issue is still unresolved after following all of the troubleshooting steps, service may be required. Please note the number of times the STANDBY light flashes and relay that information to the service center.

Source

the four flash is a signal, it means either faulty power supply or deflection circuit trouble.

Hi,
Please reply couple of questions about TV to guess what could be wrong.

1- How many times standby light blinks, there would be interval of 3 seconds in blinks so count pause to pause.

2- Please intimate exact model of TV, written on sticker pasted at back of TV. That will help me to check its schematics.

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Thanks.

Sony FD Trinition Wega KV-32HS510 Try to turn tv on -it starts then shuts off -stand by lights keeps flashing. Memory stick light flashes then goes off.

i have a unvirasal remote how do iget the codes for it

The model number is KV-36FV15 and blinking is constant no pause

can you recheck the model please

A reset won't fix this. The standby light should be blinking a repeated count with a 3 second pause inbetween. Post that count here. That will indicate the circuit/condition that is preventing the set from turning on.

Thanks,
Dan

How many times does the standby light flash...b/4 pausing and repeating ?