What does the six blink error code mean when on a

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 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://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Hi, [Error code 6. LED flashes 6 times]. Malfunction of inverter or overcurrent protection....regards Sean

These may help - the first just tell what it is and which ICs maybe the problem (quite technical)
Solved Sony Bravia Blinking Code
Bravia KDL46EX720 Red LED blinks 4 times and TV wont turn on What is the...
or, in the last resort you could try Sony support, either to get a service manual, or to ask a technician. Don't be fobbed with an expensive answer as in one the examples above.
Support for LCD TV BRAVIA Sony

18.November.2015

HI

if the red light blinks 3 times then the main board is defective so please replace main board & set will become ok

prlema na placa da fonte .

B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. Could be a short in the power supply of any of the circuits.

Five blinks denotes an IRK error. To detect damaged components and to troubleshoot this error, you must have sound in electronics.

Solution for Sony Bravia KDL 46EX723 blinking red light 8 times. Information below is from Sony online support, it worked for me:
Please disconnect the Internet connection from the TV and your TV will work fine.

We are suspecting a network outage issue on Sony device, we are currently investigating this issue. I am really sorry for the inconvenience caused.Unfortunately we don't have any ETA on this,I request you to try at a later time.

I am experiencing exactly the same problem. TV turns on but within 60 seconds the screen goes black and the red standby light blinks six times. Were you able to resolve this problem on your TV?

Try this link vor blink code info.

http://www.agoraquest.com/viewtopic.php?forum=70&topic=31721