[TechAssist] Re: My computer dead.Need advice
- From: "J Silverman" <greentron@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 13 Apr 2005 14:38:01 -0400
That happened to one of our computers too. 1500 ufd 6 volt caps popped. A
few years ago a Chinese cap manufacturer tried a new electrolyte formula
which seemed to work great but from 6 months to a year and a half later the
ESR rose suddenly and the caps overheated. This was a major supplier and
huge numbers of motherboards were affected. Some motherboard suppliers
offered a free exchange for this problem.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
Fax/Phone 864 232 3889
mail to: greentron@xxxxxxx
----- Original Message -----
From: "Terry Rittenberry" <service@xxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, April 13, 2005 8:02 AM
Subject: [TechAssist] Re: My computer dead.Need advice
> In google type "capacitors motherboard" and you will find articles about
> bulged caps.Does not appear to be bad power supplies causing problem but
bad
> caps. I have found several motherboards with these caps bad.
>
> Terry Rittenberry
> Terry's TV Service
> 4300 Wyoming Avenue
> Nashville, Tennessee 37209
> 615-385-1174
> ----- Original Message -----
> From: "D Trippel" <dtrippel@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, April 12, 2005 12:37 PM
> Subject: [TechAssist] Re: My computer dead.Need advice
>
>
> >I would also look at the main board to see if there are any bulged caps
> > near the power connector. I have had 4 or 5 computers come in this year
> > with cheap power supplies that took out the mother board as well. If
> > that's the case you may not be looking for a new power supply. Some
> > older motherboards are not available anymore.
> > Don Trippel
> > Don's Electronics
> > Rosthern,Sask
> > Canada
> >>For the price, I say buy a whole ATX case and take the power supply from
> >>it.
> >>Then
> >>simply the keep the case as a spare. If you have a lot of time on your
> >>hands
> >>gut the old P/S for the components.
> >>
> >>Some of the ebay sellers use the shipping fee as a profit machine. I
mean
> >>they
> >>will charge $10 s/h for a $1.00 item. Also USPS Priority mail for
> >>instance
> >>is
> >>one of the MOST economical ways to ship, under 10 bucks most of the
time.
> >>
> >>Great for getting semicondutors shipped. Good luck.
> >>
> >>Fred
> >>MTS Electronics
> >>Fayetteville, NC
> >>fremur01@xxxxxxxxx
> >>
> >>
> >>-----Original Message-----
> >>From: techassist-bounce@xxxxxxxxxxxxx
> >>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Jeff Farnsworth
> >>Sent: Monday, April 11, 2005 11:31 PM
> >>To: techassist@xxxxxxxxxxxxx
> >>Subject: [TechAssist] Re: My computer dead.Need advice
> >>
> >>
> >>You must not get on ebay very often. Anyone thats charges $25 for
> >>something
> >>like that---dont last. In fact I dont think I've ever seen anyone even
> >>attempt to charge that for anything other than a complete pc box. In
fact
> >>I
> >>just bought my last PC on ebay--2 of them now that I think of it----got
> >>the
> >>daughter one also. Tiger directs shipping isnt even a ridiculous $12
for
> >>a
> >>power supply--but they are slightly pricier than most for S+H. I also
use
> >>them quite often. For something like a PS I allways use pricewatch.com
I
> >>just checked and you can get a 550 watt super silent atx PS delivered
for
> >>$24. Similar item on ebay for $22 delivered
> >>
> >>TV Doctor
> >>Avalon, Wi
> >>----- Original Message -----
> >>From: "Jerome Silverman" <greentron@xxxxxxx>
> >>To: <techassist@xxxxxxxxxxxxx>
> >>Sent: Monday, April 11, 2005 8:42 PM
> >>Subject: [TechAssist] Re: My computer dead.Need advice
> >>
> >>
> >>
> >>
> >>>New ones are only $20 to $30 at places that sell computer parts. Why
fool
> >>>with eBay and somebodies $25 S&H charge? You can find them at lots of
> >>>
> >>>
> >>places
> >>
> >>
> >>>on the net. For example, www.tigerdirect.com. They have about a $12
> >>>
> >>>
> >>shipping
> >>
> >>
> >>>charge.
> >>>Jerry Silverman
> >>>Greentron Inc
> >>>4 Newland Ave Greenville SC 29609
> >>>Fax/Phone 864 232 3889
> >>>greentron@xxxxxxx
> >>>
> >>>----- Original Message -----
> >>>From: "Gary McCartney" <gary@xxxxxxxxxxx>
> >>>To: <techassist@xxxxxxxxxxxxx>
> >>>Sent: Monday, April 11, 2005 5:36 PM
> >>>Subject: [TechAssist] Re: My computer dead.Need advice
> >>>
> >>>
> >>>
> >>>
> >>>>Probably the transistors overheated because the fan no longer rotated.
I
> >>>>have repaired one of these power supplies by replacing 4 of switching
> >>>>transistors, in my case they were 2SC3039's. For the price of a new
> >>>>supply and the time involved to attempt a repair, probably best just
to
> >>>>get a new power supply. Should be some good ones on Ebay if you can
> >>>>afford the wait. Get a 300W or above. Enermax or Antec are good
brands.
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>Gary McCartney
> >>>>
> >>>>McCartney Electronics
> >>>>Guelph Ontario Canada
> >>>>Est. 1984
> >>>>email: gary (at) number63.ca
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>armando guerra wrote:
> >>>>
> >>>>
> >>>>>There was no surge at all.It was ok on friday when I shut it off and
> >>>>>
> >>>>>
> >>>this morning
> >>>
> >>>
> >>>>>it would not power up.The ps is completely shorted out so I am going
> >>>>>
> >>>>>
> >>to
> >>
> >>
> >>>replace
> >>>
> >>>
> >>>>>it.In case I don't find one locally,where is a good place to order
one
> >>>>>
> >>>>>
> >>>from
> >>>
> >>>
> >>>>>online.Thanks.
> >>>>> Mando
> >>>>>Birdie's TV & Electronics
> >>>>>Casa GRande, AZ
> >>>>>
> >>>>>J. Knoll wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Power supplies for most computers are inexpensive. I get ATX power
> >>>>>>
> >>>>>>
> >>>supplies
> >>>
> >>>
> >>>>>>for under 30 dollars and they are a snap to replace. As long as no
> >>>>>>
> >>>>>>
> >>surge
> >>
> >>
> >>>hit
> >>>
> >>>
> >>>>>>your machine the computer should be ok.
> >>>>>>On Apr 11, 2005 2:49 PM, armando guerra <birdie@xxxxxxxxxxxxx>
wrote:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>>I came in this morning and when I turned one of my computers on,no
> >>>>>>>
> >>>>>>>
> >>>power
> >>>
> >>>
> >>>>>>>at all.The power indicator red led does not lite up.I took it apart
> >>>>>>>
> >>>>>>>
> >>to
> >>
> >>
> >>>>>>>check the fuse in the power supply but its ok.I did notice that the
> >>>>>>>
> >>>>>>>
> >>fan
> >>
> >>
> >>>>>>>is locked,won't spin at all.I took a reading on it and its
> >>>>>>>
> >>>>>>>
> >>open.Now,if
> >>
> >>
> >>>>>>>the fan is bad,should the power led still come on?or does it shut
> >>>>>>>everything dn.If I have to replace the power supply,how big of a
job
> >>>>>>>
> >>>>>>>
> >>is
> >>
> >>
> >>>>>>>it to get the computer back to working condition.In other
words,will
> >>>>>>>
> >>>>>>>
> >>it
> >>
> >>
> >>>>>>>affect the settings on the cpu or the hd? Not familiar with repairs
> >>>>>>>
> >>>>>>>
> >>on
> >>
> >>
> >>>>>>>computers.I would apreciate some advice on this repair.Its a 1999
> >>>>>>>
> >>>>>>>
> >>model
> >>
> >>
> >>>>>>>and its a generic brand.Thanks.
> >>>>>>>Mando
> >>>>>>>Birdie's TV & Electronics
> >>>>>>>Casa Grande, AZ
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
>
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> >>>>>>>
> >>>>>>>
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> >>>>>>TechAssist
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