[iyonix-support] Re: Caveat - a salutory tale

  • From: John Ballance <jwb@xxxxxxxxxx>
  • To: iyonix-support@xxxxxxxxxxxxx
  • Date: Sun, 07 Feb 2010 23:04:04 +0000


Steve Fryatt wrote: 
On 7 Feb, John Ballance wrote in message
    <4B6EE83A.5000200@xxxxxxxxxx>:

  
(FYI the power supply read 4.97v on the 5v rail (red to black) at power
up, and drooped further with time. A good PSU NEVER reads this low, and
stays constant with time and indeed load).
    
That's still *well* within spec for an ATX PSU, however.
It may well be, BUT please remember.. IYO PSUs as originally supplied were very good at regulating to 5.06v.  ANY droop from here indicates that the PSU is nolonger regulating correctly.

Repeat: No Longer Regulating Correctly.

Please, Please, Please stop muddying the waters on this.

Summary: If an IYO PSU (at least as originally supplied) shows a +5v line at less than 5v, then the PSU has STOPPED REGULATING CORRECTLY and MUST be replaced to ensure correct operation ff the IYO.

Thats it

JB

John Ballance C.Eng MIET - jwb@xxxxxxxxxx - 07976 295923

John says: Shrink bills up to 30% or more? -> Have you looked here?

Too Much Month at the End of the Money? Look at this!





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