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Goodmans GTVL32W17HDF - Proview IPOS-150 PSU

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Dansford:
Hey all, just fixed it so.  :thumbup:

I missed a blown fuse beside the large cap (Location = F2), didn't see it as it resembles a resistor with its green coating  :wacko:.

For anyone who wants to know, TV had sound but not showing picture or backlight so I replaced:

2 10uf 450v Capacitors (EC17, EC18),
2 FQPF9N50CF Transistors (Q16,Q17) - (any MOSFET 'N' series Transistor near or above 9a 500v should work)
and a 3.15 amp fuse (F2)

Also Chris, not sure if this applies but you might want to check the diode at D10. This power supply often has a bad Diode which can contribute to problems. If so, an ECG 576 might be a good replacement for this diode but I have not verified this.

I've added a picture for reference !!!!

Hope this helps and Thanks again !!

Dansford

tv john:
I subscibe to a European site, it has no actual faults listed for this model and a pinboard entry similar to
Turnip's,but unresolved.

John.

Turnip:
Thanks Dansford and John,

Will check diode suggested, have previously ESR'ed all the caps - they were all OK.

Thanks again - Chris.

Gibbzz:
Hi Guys,

I am also having a problem with this board, the TV shows absolutely no signs off life. The red LED on the board (a status light I presume) does not light at all so I guess the Power board is just shot.   :lamo:

I cant see any popped or blown components and everything looks dandy, with the exception of the dodgy diode previously mentioned, but even that seems fine and is just poorly mounted.

Is there anything I should double check. If not, what is the cheapest place to get a new board from

Cheers Guys

Turnip:
Hi,

Have had some problems with this PS/Invertor, attach my findings for amusement - Chris.

PS - there is some later Quuq stuff on file where faults were found, and set repaired, not my prob though - please check.

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