[sdiy] psu negative too high

[Carlos Portela]

It works with a led on negative rail.
Thanks all

2015-11-17 15:32 GMT+01:00 Carlos Portela <carlosrochaportela at gmail.com>:
> working...
> thanks all
>
> 2015-11-17 15:29 GMT+01:00  <ijfritz at comcast.net>:
>> Yeah, something like that.  You can find the minimum required current in the
>> regulator's data sheet.
>>
>> Ian
>>
>>
>> ------ Original Message ------
>>
>> From: Carlos Portela
>> To: ijfritz at comcast.net
>> Sent: November 17, 2015 at 6:59 AM
>> Subject: Re: [sdiy] psu negative too high
>>
>>
>> what does it mean?
>> Like a led and resistor from ground?
>>
>> 2015-11-17 14:57 GMT+01:00  <ijfritz at comcast.net>:
>>> Common problem.  Negative regulators usually need a load to operate
>>> properly.
>>>
>>> Ian
>>>
>>>
>>> ------ Original Message ------
>>>
>>> From: Carlos Portela
>>> To: Synth-Diy
>>> Sent: November 17, 2015 at 6:48 AM
>>> Subject: [sdiy] psu negative too high
>>>
>>>
>>> Hi all,
>>>
>>> Im having a problem with my psu.
>>> Its a 15v dual psu + 5v. The 15V and the 5V are working; the negative
>>> outputs around 30V.
>>> Atacched the link for pcb layout:
>>>
>>> https://www.dropbox.com/s/6cvz87s6dm7nqdq/psu-comp.png?dl=0
>>>
>>> Thanks
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