need service manual or firmware tool for repair mainboard T.SP7050.6B

Hello.

I have to repair a LCD tv, brand GRUNKEL, model G2409 FHD/CI 23.6" WIDE SCREEN.

The problem is that it has no audio, and display don't show image, just a red or green colour, sometimes red and sometimes green.

I have to say that tv was repaired several months ago, with the same fault, by official service, because in that moment, tv still in guarantee period.

The solution given by official service, was to reset one of the eeproms, I think that maybe the one who is beside the SPHE 1003A.

Main chip: SUNPLUS SPHE 1003A
LCD chip, maybe (It has a heat sink on it, so I'm not sure) SPV7050, because mainboard, has a similar reference: T.SP7050.6B 9292.
LCD display is M236H1-L01.

Eeprom beside SPHE 1003A is a 25X16VSIG, and eeprom beside SPV7050 is a T80-75HCP.

Here is some images of the mainboard:

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I have found some schematic with similar boards, but not exactly the same model:

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Thank you very much.

There have been occasional threads here regarding eeproms in commercial units. A search of this board will locate them.

Search on all terms that might have to do with your lcd tv.

Also look at the links at the bottom of pages.