Whoa, that’s interesting….
Sounds like it’s going into current limiting. As the other guys have said, dig
out the VOM and check the value of the current sense resistors. These are
usually large sand type with rather low values. One or more might have opened
up.
just something to check
Mike WB8VGE
prosolar@sssnet.com
"The eye is always caught by the light, but shadows have more to say"
> On Jun 4, 2021, at 12:18 AM, DJ <75a4@cox.net> wrote:
>
> Hi All
>
> Could some one let me know if there is a proper schematic for my TenTec 960
> power supply;y ,none I have are proper in terms of parts.
>
> Problem is that I turn on supply , I can Adjust to proper voltage, but when
> I put any load on the supply like 1 to 18 amps amp it, the voltage goes to
> zero volts.
>
> Take load of it is ok with proper voltage , have two supplies with same
> problem.
>
> Sure could use some help on this.
>
> Checked all the parts ,have replaced parts , 723 on all, my brain is gone .
>
> Thank you for the read
>
> DJ. K6RCL. Goleta, Calif.
>
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