How to repair your tCON board AS15F AS19F AS34

[@mgjfile]

Mine become "negative" (inverted colors like) after few minutes, I have to try to replace the AS15-HF chip. Thank you for the tutorial.

[@GeorgeGeorge-xj2bc]

Any abnornal screen picture like solarized,dark,very white,wrong colours,high colour level but the screen shows a full raster in the entire area and if the AS15 is present in the tcon board then change it at once without any second thought.It is a buffer and related only with the picture quality.

[@Maria-fe2hm]

Great video, so helpful. Thanks!

[@MrHarrys123456]

this gamma ic doesnt need to be programmed if replaced?

[@tomtechtod9200]

No

[@Turbo-X]

What about when T-Con voltages are decreasing step by step, could be mainboard malfunction then? T-Con is T400HW04 V1 40T05-C02 for Sony TV KDL-46EX728 Thank you

[@Turbo-X]

There is no gamma corrector chip

[@tomtechtod9200]

Ненад Шиљић depends on how the picture looks like. I rarely get Sony TVs and when I did it was either a panel fault or the mainboard.

[@Turbo-X]

It looks like this: scontent.fbeg2-1.fna.fbcdn.net/v/t1.0-9/32972148_1777838998929303_5121789723576107008_o.jpg?_nc_cat=0&oh=db028edf47455db7adf49d216e08b5e6&oe=5B9BBEAD scontent.fbeg2-1.fna.fbcdn.net/v/t1.0-9/32855167_1777839112262625_4406055916441436160_o.jpg?_nc_cat=0&oh=fc7a219c8d6a0b3a85f6b264e44b9dd1&oe=5B7BF58B Can faulty panel work sometimes? When it works, it needs about 6 sec with dark background to recover noisy and then about 10secs of light background to good picture.

[@teddympoka1548]

Its has helped me in my dairy repairs .

[@sergiomagno228]

Muito bom o vídeo.

[@tomtechtod9200]

Valeu

[@jeevanbagul1230]

Nice all time consider,

[@RadheyShyam-pp9cp]

Ok

[@ilovelife18]

Definitely can't perform this repair with my shaky hands :/ oh well

[@borispahovic7114]

how can i contact you

[@tomtechtod9200]

u can't