Dell Monitor repair

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pmonro

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#248869 13-Apr-2019 13:13

My Dell monitor E248WFPb stopped working so I took it apart and there are a few bits blown up on the Power circuit board. I can buy most of them for a few dollars but one resistor R669 on board 0dg02 has been destroyed and I can not find its value.

I know that you are going to tell me that I can get a used working monitor on Trademe for a few dollars or buy a used board on Aliexpress for $50, but I am retired engineer and fixing electronics is of more interest to me than scrabble or computer games.

I tried to find a circuit diag but no luck, so my question is does anyone have this board for sale or could tell me the value of R 669. I rang the Dell repair number but they were not interested.

Have a good day and keep well

surfisup1000

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#2216486 13-Apr-2019 13:45

Sorry, I can't help, but, awesome, like your attitude!

And shame on Dell for not helping out!

Lias

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#2216532 13-Apr-2019 16:20

Try finding a high res pic online that matches the board you have and eyeball the resistor codes?

E.g. The picture on this ali listing is really high res so the zoom over function works quite well.. I can see R609 and R660 but no R669 at a quick glance. Possibly a different revision? Image search for 0DG02 got a bunch of hits so may have some luck with that?

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pmonro

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#2216584 13-Apr-2019 16:59

Yes I thought I had it solved but the resistor is one of a few components on the track side of the board. I could ask him to post a picture of the track side but I would not pay $50 for the board and I would not ask him to put him to extra work if I did not intend to purchase

neb

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#2217012 14-Apr-2019 17:03

surfisup1000:
And shame on Dell for not helping out!

That's not really surprising, as a company they're not going to help you do a one-off repair yourself. However, as individuals they might. What you could do if you've got the patience is try calling back in the hope of getting a different person, or use VoIP to call US service numbers, until you get someone who's willing to look it up for you. The "repeat call into a phone pool" is quite useful with larger companies, just keep track of names when they answer and only talk to new names.

neb

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#2217016 14-Apr-2019 17:07

Lias:
Try finding a high res pic online that matches the board you have and eyeball the resistor codes?

E.g. The picture on this ali listing is really high res so the zoom over function works quite well.. I can see R609 and R660 but no R669 at a quick glance. Possibly a different revision? Image search for 0DG02 got a bunch of hits so may have some luck with that?

There's a 667 there as well, could the damage to the resistor also have marked/obscured the part number, so it's actually one of the visible ones?