[TechAssist] Re: Tripp-Lite Power
- From: "J Silverman" <greentron@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 11 Apr 2005 14:44:33 -0400
A long time ago we had a Tripp-Lite in for repair, back when they cost
money. Batteries did not charge and a switching transistor was burned out.
Replacing did not fix. Trip-lite sent us a circuit diagram after having us
sign a confidentiality agreement and that let us find another bad part. Now
it worked but the batteries only carried the load a few seconds. Now you can
buy a whole power unit for about the cost of the batteries.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
Fax/Phone 864 232 3889
mail to: greentron@xxxxxxx
----- Original Message -----
From: <WWill90634@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, April 11, 2005 12:43 PM
Subject: [TechAssist] Tripp-Lite Power
> Could someone sullpy us with any information on repairing a Tripp-Lite
power
> supply.
> It ahs no output voltage. When I switch the power switch on it draws about
> 1amp then it drops down to about 1/4 amp. on the 2 1000uf 25v caps I get
> 22.5vdc.
> D1 and D2 cathode 30v
> TP31 C-30v E&B 1.0v
> 2N3055 C-22v E-.60v B-1.0v
> 1n3492 22v
> On the regulator board Theres is a MC1723CP I.C. I'm wondering if the
chip
> may be the problem.
>
> TIA Will
> Soundview
>
>
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