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Old 11-09-2009, 03:20 AM   #177
Bobdee
Badcaps Veteran
 
Join Date: Jun 2008
City & State: WALES UK
Posts: 461
Default Re: Issue with Westinghouse 19" LCD Monitor (large pics)

Quote:
Originally Posted by PGP
Hello =)
I've read this post post by gfgray

In my case monitor Acer AL1916W.
Power-Invertor is DAC-19M005 BF Rev. 01A.
No backlight and display is black. But Power button is working (lights with green or orange).
Capacitors C204, CE103 were bulbed. And F200 was open.

For now i've change all these parts.
MOSFETS Q206, Q205 (there wasn't 40T03GP and i've set CEP50N06)
Capacitors C204, CE101, CE109 (220mF, 25V)
Capacitors CE103, CE104 (1000mF, 25V).

SMT F200 (4A).

But still no success.
All the times i try to launch monitor - Fuse F200 just opens.
I suspect that somewhere something is shorted.

I tried to short F200 with solder. But Q206 becomes very very hot when i try to turn on the monitor.

Could you please advise? What else i have to look up? =)

Thanks a lot in advance for all.
Hello
Suggest you check the CCFLs as one or more may be bad also check solder joints on inverter transformers
As the fuse keeps failing it may have caused a repeat failure in Q205 or Q206 as you dont seem to have found the fault that may have caused there failure in the first place (assuming you replaced them because they failed)

Last edited by Bobdee; 11-09-2009 at 03:22 AM..
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