Vivax Imago lcd tv 2230 no backlight

[crozoki]

Hi!
I got problem with my lcd tv.
There is no backlight but picture is there when flashing with lamp.
There was 4 bulged capacitor (marked with red dot on picture). When replace all 4 capacitor still no backlight.
I try to put spare cfcl lamp but nothing happend.

This is markings of board: SHP1904A-102 REV:1.0

[dskall]

Re: Vivax Imago lcd tv 2230 no backlight

Will need to post some voltages to see what's missing

[crozoki]

Re: Vivax Imago lcd tv 2230 no backlight

i got 12v on pins. but no 5V
buzing sound came frome transformator

[crozoki]

Re: Vivax Imago lcd tv 2230 no backlight

i find blown smd fuse. There is mark on them "T". i don`t know values for it?

[vinceroger69]

Re: Vivax Imago lcd tv 2230 no backlight

page 5 may help
https://cdn.badcaps-static.com/pdfs/...acfc979420.pdf

SMD SMT 1206 Fast Acting Fuse 5A 32V

[dick_barton]

Re: Vivax Imago lcd tv 2230 no backlight

Use your ohm meter and check there is no short or low resistance at either end of the fuse to ground. It blew for a reason and the fault may still be there.

[Andrew F. Ali]

Re: Vivax Imago lcd tv 2230 no backlight

use your ohm meter and check there is no short or low resistance at either end of the fuse to ground. It blew for a reason and the fault may still be there.

+1