[TechAssist] Re: RCA F27201GG (CTC 169CAQS) VERT DEFLECTION?
- From: "Ed Gaidies" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 25 Mar 2004 16:36:35 -0500
Pretty sure that's normal on those sets, vertical sweep is suppressed till
degaussing has finished. Depending on your screen setting if and how much
it's visible.
-Ed-
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message -----
From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, March 25, 2004 2:01 PM
Subject: [TechAssist] Re: RCA F27201GG (CTC 169CAQS) VERT DEFLECTION?
> Al when the set is first turned on look at the screen and see if you see a
> faint vert (deflection) line about 1\4' high before the picture comes in?
> Did the customer send this back for this type of a problem? It does not
> affect picture once it is on.
>
> Bruce.
> ----- Original Message -----
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, March 25, 2004 1:07 PM
> Subject: [TechAssist] Re: RCA F27201GG (CTC 169CAQS) VERT DEFLECTION?
>
>
> > I got the same problem here. I haven't seen the problem yet. Customer
says
> > it only happens when they turn it on. Original problem was picture was
> > stretched and the line when turned on. Caps in the vertical section
fixed
> > that.
> > Went over the regulator and changed CR4118 and the thing went out. Came
> back
> > 2 weeks later with this line thing??????? I thought I had it fixed when
> the
> > picture came up OK. Never have seen the line.
> > Al Marquardt
> > ampm@xxxxxxx
> > Al Marquardt Electronic Repair
> > 206 W Main
> > Girardville Pa. 17935
> > ----- Original Message -----
> > From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, March 25, 2004 12:17 PM
> > Subject: [TechAssist] Re: RCA F27201GG (CTC 169CAQS) VERT DEFLECTION?
> >
> >
> > > Normal operation.
> > > Vertical is blanked during degauss.
> > > If this is a "problem" turn the main screen down a lttle.
> > >
> > > 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: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, March 25, 2004 10:17 AM
> > > Subject: [TechAssist] RCA F27201GG (CTC 169CAQS) VERT DEFLECTION?
> > >
> > >
> > > > "Momentary no vert deflection then OK". At start up.
> > > > I hope some one can shed some light on this problem, At turn on you
> see
> > a
> > > > collapsed vert deflection (about 1\4" deflection) then I hear the
> relay
> > > > click an the set comes on full deflection as the CRT heaters lights
up
> > the
> > > > tube. The regulation is good around 143 volts similar in standby.
> > > > I did change the cr4118, Q4402 and Q4202. Soldered all board
> connections
> > > in
> > > > Vet circuit. Replaced C403K.
> > > > I am starting to go around in circles on this set. Trying to figure
> out
> > > the
> > > > theory of operation. I am working off of a CTC169 print but has
> > different
> > > > parts than shown in data base. U4501 the vert drive switch shows a
> drive
> > > > pulse OK at turn on.
> > > > . Sorry if my explanation is vague. I also changed the degaussing
> switch
> > > > transistor!
> > > > As soon as I hit the tack switch the vert line shows up, then the
> relay
> > > > sounds and the picture comes in ?
> > > > I don't want to send out this set as is. The original condition was
> > > > regulator problem which has been repaired , then I noticed this.
> Should
> > > not
> > > > see any kind of visible deflection this soon at turn on?
> > > >
> > > > Bruce.
> > > >
> > > > B&T Electronics
> > > > 139 Margaret St
> > > > Sarnia Ontario
> > > > Canada
> > > > N7T 2Y3
> > > > 519 344 1850
> > > >
> > > >
> > > >
> > >
> >
>
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