Re: Red Baron issues

Not the power supply, but the 7915 will need to be replaced and probably
anything that connects to that supply (opamps, switches).

utahtaper wrote:

>You are right Alex. 7915 is blown, at the -15v test point it is measuring
>around -21. Would this cause monitor deflection failure?
>At test point +15 it measures +13.9. Should I be concerned about the +13.9?
>Do I need a power supply rebuild?
>
>----- Original Message -----
>From: "Alex Yeckley" <ayeckley@elektronforge.com>
>To: <vectorlist@vectorlist.org>
>Sent: Monday, September 26, 2005 9:10 AM
>Subject: RE: VECTOR: Red Baron issues
>
>
>
>
>>>I measured at the board and found -21 volts at the X test point and found
>>>
>>>
>>13 volts at the Y. What would cause this? Can I assume the board is jacked
>>and send it for repair?
>>
>>Are you sure that you are using ground for your reference point? You
>>shouldn't get anything lower than -15V, even if there were a DAC problem.
>>You might have a blown -15V regulator (7915) which is passing the full
>>-22VDC thru it.
>>
>>Alex
>>----
>>ayeckley@elektronforge.com
>>www.elektronforge.com
>>
>>
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Received on Mon Sep 26 15:12:34 2005