Help me self repair WLG-2214

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cebits
DD-WRT Novice


Joined: 07 Feb 2010
Posts: 3

PostPosted: Thu Oct 07, 2010 12:27    Post subject: Help me self repair WLG-2214 Reply with quote
In short, plugged in 24V adapter instead of the original 7.5V and heard a loud bang. Nothing works since then and no lights/sounds whatsoever. There was no burning smell either.

Can anyone take a look and tell me what exactly did explode? Can it be the F1 fuse? It looks intact for me. If you spot anything suspicious I can take a bigger pic zoomed on that part.

The board reads:
Plotech 1 94-V0
E169497

WLG-2214 Rev:A1
21512WLG22141A1

Thanks!



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LOM
DD-WRT Guru


Joined: 28 Dec 2008
Posts: 7631

PostPosted: Fri Oct 08, 2010 5:55    Post subject: Reply with quote
VR2 and D1 doesn't look too good, I think you'll find they are shorted if you measure them.
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sanfrenchysco
DD-WRT Novice


Joined: 05 Nov 2010
Posts: 6

PostPosted: Mon Nov 08, 2010 9:34    Post subject: big bang - cross your fingers Reply with quote
LOM wrote:
VR2 and D1 doesn't look too good, I think you'll find they are shorted if you measure them.

Yop, VR2 must have gone home... look up the model number and pinout. I/O voltages may be like 7.5VDC In and 5VDC out.

What is the voltage on the DC tank capacitors??

After 30 years in electronics I believe that if your fuse got cooked, something on-board shorted out to fry it.
Your best option may be a new router unless you want to learn about the limits of digital electronics.
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