[TechAssist] Re: CTC177 SMPS
- From: "Charles Belich" <seashell@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 11 Sep 2001 20:45:15 -0700
Check pin 7 of switching transformer for bad solder etc. C4107 may be bad.
Check C4105............Charlie
Charles Belich
Slidewire Electronics
MN seashell@xxxxxxxxxx
----- Original Message -----
From: "sterling pasher" <spasher@xxxxxxxxxxxxxxxxx>
To: <Techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 11, 2001 1:39 PM
Subject: [TechAssist] CTC177 SMPS
>
> I have a CTC177that is putting out too much voltage from power
> supply, ithas only to be plugged in to AC. At test point 4101 get 340
> vvolts(should be 140) If left on for more than a sexcond it will cause
pins
> 4 and 5 to short. And causes C4107 to explode. Besides U4101 changed R4110
> (open) and R4126 (burnt).
>
>
> Any help on this ptoblem would be appreciated .
>
> Buck
>
> Help make your TechAssist online repair tips
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