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sony kd-65xd9305

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t1412:
Hi fella's, been to the customers house twice now, to try repair this tv, it's a sony kd-65xd9305 dead, it's a 240v into a external box with 24v dc coming out usb lead connects to power box and tv, there's 24v at the fuses on the led driver board, so i replaced the mainboard twice thinking it was faulty here is a picture of the led  driver board thanks

regards
shaun

downunder:
Hi Shaun, I've never yet had to replace an LD board, but if you have 24V present on all boards, there is a regulator that fails on the DSP3 board
which is the board at the centre of the TV -your board pictured I believe, with a metal shield over it.

Don't know which reg it is as this is info I picked up from others. Apparently Sony have an upgraded board - A2195346A. Bruce.

t1412:
Hi bruse,  i've changed this board twice with no luck thanks

shaun

downunder:

Hi Shaun, You haven't indicated what the problem with the tv is. I don't know about the UK, but over here new main boards have to have firmware installed, otherwise they don't work.                            Bruce

t1412:
Hi bruce i did mention it was dead no standby light, I did have 24v on the fuses on the ld board i have replaced the mainboard twice

thanks
shaun

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