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Equipment Repairs => LCD TV forum => Topic started by: electrochris on November 13, 2009,14:22:07

Title: medion no pic
Post by: electrochris on November 13, 2009,14:22:07

Hi all again, seem to be have a bad run on lcd tv's,got a medion  md 20099s with  vestel psu 17w 15-8, standby ok powers up got sound no pic, no back light .checked 2 fuses on inverter board ok, i was wanting to know what chassie it is so that i can sort a diagram out any help would be great . many thanks chris   

Title: Re: medion no pic
Post by: sparky on November 13, 2009,15:14:27

hi
it sounds like the inverter board faulty
check the transformers you might find one o/c
or the numbers on the board you can buy complete
new one from charles hyde
sparky

Title: Re: medion no pic
Post by: electrochris on November 13, 2009,19:19:25

got circuit diagram,gonna check all voltages,will chck transformers on inverter , many thanks

Title: Re: medion no pic
Post by: electrochris on November 14, 2009,15:54:20

hi, looking for pin outs for the inverter transformers, so that i can check the transformers for open circuit and what ohms they should be,   board is VIT70002.60 REV4 1320B1-24-VO4   many thanks