[TechAssist] Re: GE - 31GT657FM1, Chassis CTC177CC

  • From: "al m" <ampm@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 13 Jan 2002 21:57:41 -0600

does the bottom look stretched i have a ctc195 doing the same thing
al marquardt
ampm@xxxxxxx


----- Original Message -----
From: "Premium Technologies" <premtech@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, January 13, 2002 3:09 PM
Subject: [TechAssist] GE - 31GT657FM1, Chassis CTC177CC


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>
> BlankGentlemen,
> I'm having an elusive vertical problem with the above described which is =
> producing a horizontal line 1/4 of the way down from the top of the =
> screen.  No schematic on this one, but from past experience it seems my =
> in voltage might be low on the vertical deflector U4501.
> I've replaced U4501,  and about 8 of caps in that circuit, (C-4502, =
> 4108, 4107, 4506, 4505, 4705, 4112, 4404) with no change in symptoms.  =
> My voltage readings on pin 1 and 2 of U4501 are 13.4 and 24.7 =
> respectively, and 23.0 on 5-Vout.
> I've traced circuit for open shorts with no luck, and quickly running =
> out of patience.  Any help would be appreciated...
> Bill
> Premium Technologies
> Ocean Park, Washington
>
>
>
>
>
>
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