[TechAssist] Re: Proscan PS27153 CTC169CH5 Vertical shrinks and picturefades after 15 sec
- From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 16 Jul 2003 19:21:34 +0000
Cycle time a little longer now after chilling overnight. It came on and ran
for 15 min then shrank and faded the filiments did go out. if left off for
an hour it can run upto 10 min before doing same. Need to get it into
failure mode again before testing your sugestion Terry. Did try cooling
about every part with Freeze mist duiring failure with no effect.
Peter Oliver
Tucson Radio TV
From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Re: Proscan PS27153 CTC169CH5 Vertical shrinks and
picture fades after 15 sec
Date: Wed, 16 Jul 2003 09:54:36 -0500
Measure resistance between pins 2 and 3 of the fly. If more than 1 ohm,
that's probably the fail.
----- Original Message -----
From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 16, 2003 9:18 AM
Subject: [TechAssist] Re: Proscan PS27153 CTC169CH5 Vertical shrinks and
picture fades after 15 sec
> I have seen a few 169s that had ihvt intermittant windings on the heater
> lines.
> Are you actually lossing filiments?
>
> Wayne Vanaman
> Omega Electronics
> 6904 W Fairfield Dr
> Pensacola, Fl. 32506-3310
>
> Wayne@xxxxxxxxxxxxxxxxxxxxx
> WWW.PensacolaTVRepair.Com
>
> 850-456-5995 voice
> 850-458-6369 fax
>
>
> ----- Original Message -----
> From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, July 16, 2003 9:14 AM
> Subject: [TechAssist] Proscan PS27153 CTC169CH5 Vertical shrinks and
picture
> fades after 15 sec
>
>
> > Proscan
> > PS27153
> > CTC169CH5
> >
> > Set has good picture for 15 sec then the vertical
shrinks
> > (linarity is ok) and the picture fades out (looks like a loss of
filiment
> > voltage).. When first brought in appeared dead (it was hot from being
in
> > the car) after it was cool it displayed the vertical shrink & fading
> > symptom. Tapping the board does not indicate any obious bad
connections.
> Any
> > idea if the symptom of fading and vertical shrinking has a common route
or
> > is there 2 diffrent problems? Also customer had taken set to circut
city
> > repair and they told them no board avalible--? (I guess they don't do
> > componet level repairs???)
> >
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> > _________________________________________________________________
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