[TechAssist] Re: ATX Power supply
- From: Bil Green <tv.vcrrepair@xxxxxxxxxxx>
- To: George <techassist@xxxxxxxxxxxxx>
- Date: Tue, 27 Jan 2004 01:17:24 -0800
I found this very helpful information on the web:
"...So the "300watt" really doesn't say much about how much
power a given power supply can deliver. You have to look
at the detailed specifications written on the power supply
label. For an Athlon XP based system, you need something
like this:
3.3volt line: 20 amps minimum
5.0volt line: 30 amps minimum
12volt line: 15 amps minimum
And a combined 3.3v & 5.0v line output of 180watt minimum
All these numbers are printed on the power supply case
and should be available as product specs if you look at
the manufacturer's website (the numbers above matches a
typical good quality 300 watt unit)."
The cheap 300W supply I bought recently matched the above
figures. I don't know if that's enough indication that it
is a good quality power supply.
--
Best regards,
Bil Green
2001 TV VCR
Mammoth Lakes, CA 93546
760-934-2001 mailto:tv.vcrrepair@xxxxxxxxxxx
Monday, January 26, 2004, 11:20:04 PM, you wrote:
G> Sure they are, 100W stereos Peak to Peak Instantaneous Burst that is! I have
G> found 300w ATX power supplies with various current ratings, you have to
G> check the current capacity on all the voltage outputs, noticed variations
G> as much as 2-3 amps on the higher capacity outputs.
G> George
G> Afana Electronics
G> Moreno Valley, CA
G> ----- Original Message -----
G> From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
G> To: <techassist@xxxxxxxxxxxxx>
G> Sent: Monday, January 26, 2004 7:28 PM
G> Subject: [TechAssist] Re: ATX Power supply
>> Its basicly the same Story if you pick the Replacement IC or Flyback for
>> your Repair as a Generic one or an overstamp at half the Cost. You are
>> increasing the Risk that it may cause more problems down the road for
G> you.
>> If you are willing to take that risk , then thats fine. As a Servicer, I
>> like to do things in such a way they stay fixed for the Longest Duration
>> possible. I always mention that to my customers when they are trying to
G> low
>> ball me on the price. If they pick the Cheapie Parts, and they come back
>> with problems, I dont want to hear about it. All bets are off....as well
G> as
>> the warranty.
>>
>> Steve Hearns
>> Technotronic Dimensions, NY [USA]
>> WWW.TECHNOTRONIC-DIMENSIONS.COM
>> 1-877-817-9885 (Voice / Fax Toll Free - US Only)
>>
>>
>>
>>
>> ----- Original Message -----
>> From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
>> To: "Technotronic Dimensions" <techassist@xxxxxxxxxxxxx>
>> Sent: Monday, January 26, 2004 9:18 PM
>> Subject: [TechAssist] Re: ATX Power supply
>>
>>
>> I recently read that 300W ATX power supplies are not all equal (not
>> even close). You need to look at the current rating, not the watts.
>> I bought a good one (Allied) for less than $20.
>>
>> Apparently they can get away with lying about the wattage rating, but
>> not the current rating. Just like cheap automotive stereos (100 Watts
>> per channel [has only a 3A fuse] - yeh, sure!)
>>
>>
>>
>> --
>> Best regards,
>>
>> Bil Green
>> 2001 TV VCR
>> Mammoth Lakes, CA 93546
>> 760-934-2001 mailto:tv.vcrrepair@xxxxxxxxxxx
>>
>> Monday, January 26, 2004, 11:00:24 AM, you wrote:
>>
>> TD> Theres alot more to it than that. If you ever worked on Fixing them
>> you'd
>> TD> know what I mean. Lets just say you get what you pay for , and leave
G> it
>> at
>> TD> that.
>>
>> TD> Steve Hearns
>> TD> Technotronic Dimensions, NY [USA]
>> TD> WWW.TECHNOTRONIC-DIMENSIONS.COM
>> TD> 1-877-817-9885 (Voice / Fax Toll Free - US Only)
>>
>>
>> TD> ----- Original Message -----
>> TD> From: "becyn" <becyn@xxxxxxxxxx>
>> TD> To: <techassist@xxxxxxxxxxxxx>
>> TD> Sent: Monday, January 26, 2004 2:40 PM
>> TD> Subject: [TechAssist] Re: ATX Power supply
>>
>>
>> TD> At $25.00 new, why bother fixing them?
>> TD> It's a repair labor vs. replace decision.
>> TD> Replacement wins hands down!
>>
>> TD> Jim McVey
>> TD> McVey Alltronix
>> TD> 327 Broadway
>> TD> Newburgh Ny 12550
>> TD> ph: 845 561 8383
>> TD> fx: 845 561 9017
>> TD> Consumer electronics &
>> TD> computer service.
>> TD> Factory authorized for
>> TD> over twenty brands.
>>
>>
>> TD> ----- Original Message -----
>> TD> From: "JPAlmeida" <jpalmeida@xxxxxxxxxxx>
>> TD> To: <techassist@xxxxxxxxxxxxx>
>> TD> Sent: Monday, January 26, 2004 12:32 PM
>> TD> Subject: [TechAssist] Re: ATX Power supply
>>
>>
>> >> Hi !
>> >> Try this page.
>> >> João Pedro
>> >> Portugal
>> >>
>> >> http://www.denom.com/
>> >>
>> >>
>> >>
>> >> ----- Original Message -----
>> >> From: "Barry Thompson" <barrystv@xxxxxxx>
>> >> To: <techassist@xxxxxxxxxxxxx>
>> >> Sent: Wednesday, January 26, 2005 3:35 PM
>> >> Subject: [TechAssist] ATX Power supply
>> >>
>> >>
>> >> > Hi All: My 350 watt supply gave up.I repaired one before but it was
>> only
>> >> the
>> >> > standby supply, but this has no outputs.I have a schematic but no
>> >> > voltages.would someone have voltages for these supplys or the most
>> TD> likely
>> >> > componets to check. Thanks Barry.
>> >> > Barrys TV
>> >> > Ottawa,Canada
>> >> > barrystv@xxxxxxx
>> >> >
>> >>
>>
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