My standby/temp light is blinking and my lamp light is blinking. tv is about two years old. Just started happening out of the blue. It will come on for a few minutes. I have three dogs and it gets dusty and full of dog hair quick. Could I just need to open tv up and clean

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Hello, I try to help. But your questions not spesific.
Below are conditions lamp indicators that appear blinking and solutions:

1. If Timer and Lamp blinking --> Auto timer on/off was been set, picture will appear ~ 25 second.
2. If Timer and Standby/Temp blinking --> A cooling fan inside the set is not operating properly.
3. If Lamp and Standby/Temp blinking --> The lamp cover on the rear of the set is not installed properly.

I hope that solve your problem.
Thanks.

The tv projection lamp been inside the tv like 1 1/2 or 2 years already,used tv every day like 4 or 5 hours a daily?The Lamp life are ended.Time to replaced the tv projection Lamp.

theres defective caps in the power supply

If its Sony KDF-42WE655 TV then it has self diagnostic feature and if it gets any problem inside, its red light will start blinking in specific numbers to show an error code.
Let me know how many times its red standby light blinking between 3 seconds interval.

Check your color wheel. There is a DIY guide for replacing the color wheel. Mine did the same thing yours is and my color wheel was all busted up. Unfortunately after replacing the color wheel my set continues to do the same thing, but this could mean I need to replace the ballast as well.

The color wheel needs replacing. Thats causing the whining and it will also make the lamp light blink.

Probably the ballast if lamp is ok.If there is not even a standby light the the power supply.

Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

what i would do is crack into the tv and watch the individual parts being careful not to unplug anything while you take the back panel off.....turn it on and see what happens. let me know what happens