Sony KDL-52EX700 - 5 Blinks

[jason123]

I've read some horror stories about this TV series with 5 blinks. I was watching TV at a friends house (Nice set - not 4k but great pic) then all of a sudden the TV shut off. Pushing the Power button, yields switch from red to green LED. Seems like it's going to start, then goes to Red LED. Then Red LED off, and blinks 5 times, and repeat.

I tried the Display + 5 + Vol - + Pwr, but nothing turns on. Unplugged from wall, pressed the PWR on set for 30 second, replugged it in, no change

Where do I start Anyone has experience with this that can save some time on troubleshooting? I downloaded the Service manual and the troubleshooting guides from Sony. There is No damage to the panel, went from on, to basically non-functional. Help is appreciated.

[diif]

Re: Sony KDL-52EX700 - 5 Blinks

Page 27 of the service manual. 5 times blinking trouble shooting.

[jason123]

Re: Sony KDL-52EX700 - 5 Blinks

Thanks - This error seems to have cause many people headaches - some reported TCON failure, some LCD Damage, Some even just cleaning the LVDS took care of the problem. Just looking for tips on going about this.

[jason123]

Re: Sony KDL-52EX700 - 5 Blinks

Shorted panel tabs (board between panel and TCON) was the issue.. non-fixable unfortunately.
Thanks

[budm]

Re: Sony KDL-52EX700 - 5 Blinks

The caps on that tab bonding boards none of them shown as shorted?

[jason123]

Re: Sony KDL-52EX700 - 5 Blinks

There were actually burn marks on the flex cables ... too many to attempt a repair. I didn't go further to find the cause. As soon as I disconnected the panel, back light on, sound on, and so on.. so at least I know the components are good and I can get some ca$h back