[TV] Re: * RCA 35" No Horiz Scan

[J Sven2 <jsven2@xxxxxxxxx>]

if you read down to the bottom of this email, it is
listed in the original email. (CTC179dL)

Thanks

--- al m <ampm@xxxxxxx> wrote:

> Chassis #?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message ----- 
> From: <tom_rf@xxxxxxxxxxxxx>
> To: <tv@xxxxxxxxxxxxxxx>
> Sent: Thursday, March 31, 2005 12:05 AM
> Subject: [TV] Re: * RCA 35" No Horiz Scan
> 
> 
> > the range ctls appear to be working in all but
> pin/horiz width
> > adjustments...by the way I am winging it w/out a
> schematic, I might have 
> > to
> > throw in the towel at some pt  and download one.
> >
> >                                thanks,
> >
> > tom_rf@xxxxxxxxxxxxx
> >
> > ----- Original Message ----- 
> > From: "Star-Tech" <STAR-TECH@xxxxxxxxxxxx>
> > To: <tv@xxxxxxxxxxxxxxx>
> > Cc: <star-tech@xxxxxxxxxxxx>
> > Sent: Wednesday, March 30, 2005 10:07 PM
> > Subject: [TV] Re: * RCA 35" No Horiz Scan
> >
> >
> >> Hello:
> >>
> >>         Do the numbers move in the horizonal
> parameter
> >> for the set-up service mode? Should be at 20 to
> 22 for
> >> width. If so you might find a shorted transistor
> in the
> >> pincushing circuit.
> >>
> >>                                               
> Greg Zumbro
> >> ----- Original Message ----- 
> >> From: <tom_rf@xxxxxxxxxxxxx>
> >> To: <tv@xxxxxxxxxxxxxxx>
> >> Sent: Wednesday, March 30, 2005 10:05 PM
> >> Subject: [TV] Re: * RCA 35" No Horiz Scan
> >>
> >>
> >> >
> >> > Hey guys,
> >> >        I am finally replacing the parts
> ordered, the two caps replaced
> >> have
> >> > restored the picture and is starting to look
> like a TV again; However, 
> >> > I
> >> > still have symptoms:
> >> >                 1.) Slight overscan, & there is
> no WIDTH adjustment
> >> > functionality in service mode "76".
> >> >                 2.) I have slight "pincushion"
> warping upper /lower
> > sides.
> >> >                 3.) Rear centering pot having
> no effect on picture.
> >> >
> >> >  upon looking, I found that I have left out
> cr4408 which is missing. I
> >> will
> >> > p/u that diode tomorrow.
> >> > *QUESTION: Will mssing CR4408 cause all these
> symptoms?
> >> >
> >> > Thanks for your response,
> >> >
> >> > tom_rf@xxxxxxxxxxxxx
> >> >
> >> > ----- Original Message ----- 
> >> > From: "John Conti" <contitv@xxxxxxxxxxx>
> >> > To: <tv@xxxxxxxxxxxxxxx>
> >> > Sent: Friday, February 25, 2005 9:54 AM
> >> > Subject: [TV] Re: * RCA 35" No Horiz Scan
> >> >
> >> >
> >> > > Tom, c 4407 is a vertical yoke return cap if
> open this will give you 
> >> > > a
> >> > thin
> >> > > vertical line the part number is 227315. the
> part # for c4406 is
> > 196050.
> >> > and
> >> > > for the diode cr4408 use part # 140971.
> >> > > is the set fixed are is it still not. i dont
> know if your looking for
> >> > part#s
> >> > > john
> >> > >
> >> > >
> >> > >
> >> > >                                              
>    >From:
> >> > > <tom_rf@xxxxxxxxxxxxx>
> >> > > >Reply-To: tv@xxxxxxxxxxxxxxx
> >> > > >To: <tv@xxxxxxxxxxxxxxx>
> >> > > >Subject: [TV] Re: * RCA 35" No Horiz Scan
> >> > > >Date: Thu, 24 Feb 2005 20:16:30 -0600
> >> > > >
> >> > > >I appreciate your reply,
> >> > > >
> >> > > >        *TV Symptoms are no horiz. (Bright
> Vertical line in the
> > center
> >> of
> >> > > >the
> >> > > >screen)
> >> > > >        To elaborate more on the prob
> componets so far:
> >> > > >                      * C4407 is labled
> "S-Cap" and is a .67mic 250v
> >> cap.
> >> > > >(swollen)
> >> > > >                      * C4406 is a . *2  mic
>  80v electrolyt
> >> (blown-like
> >> > a
> >> > > >firecracker)
> >> > > >             *They both have runs leading to
> the back of the board
> >> > leading
> >> > > >to
> >> > > >the horiz ctrg/ h lin. pots/ and C4407 is
> >> > > >       trace leads to horiz yoke wire.
> (There are also other parts
> >> labled
> >> > > >"S-Cap" in functionality in this circ.
> area.)
> >> > > >
> >> > > >                     There is a connecting
> CR4408 to the smaller
> >> voltage
> >> > > >cap
> >> > > >which may be suspect,
> >> > > >                     (it's label is 51
> 84408...2.0A Fast Recovery
> >> > > >Rect.)checking good? (w/ 10Mohm diode chk).
> >> > > >
> >> > > >
> >> > > >
> >> > > >tom_rf@xxxxxxxxxxxxx
> >> > > >
> >> > > >----- Original Message -----
> >> > > >From: "dek" <dek@xxxxxxxxxxxxxxx>
> >> > > >To: <tv@xxxxxxxxxxxxxxx>
> >> > > >Sent: Thursday, February 24, 2005 5:18 AM
> >> > > >Subject: [TV] Re: * RCA 35" No Horiz Scan
> >> > > >
> >> > > >
> >> > > > > Look for a diode in there that is the
> equivalent of the 4118 in
> > the
> >> > 169,
> >> > > > > but I forget what the actual number is.
> Replace it, don't check
> >> cause
> >> > it
> >> > > > > will check good.
> >> > > > > Doug
> >> > > > >
> >> > > > > At 07:11 PM 2/23/05, you wrote:
> >> > > > > >I am working on a 35" RCA CTC179dL
> having no horiz scan,
> >> > > >C407-electrolytic
> >> > > > > >is blown apart, and C406 blue square cap
> is swollen, butnot
> >> checking
> >> > > >shorted).
> >> > > > > >If anyone has an excerpt from this
> schematic, or have had this
> > same
> >> > > > > >particular componet problem it would be
> apprec.
> >> > > > > >
> >> > > > > >                                        
>          Thanks,
> >> > > > > >
> >> > > > > >tom_rf@xxxxxxxxxxxxx
> >> > > > > >
> >> > > > >
> >> > > >
> >> >
> >>
>
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> >> >
> >>
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>>---------------------------------------------------------------------------
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> >> > > > >
> >> > > > >
> >> > >
> >> >
> >>
>
>>--------------------------------------------------------------------------
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> >> > >
>
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> >> > >
> >> >
> >>
> >>
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> >> -----
> >> >
> >>
> >>
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> >>
> >
> >
>
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> > 
> 
> 
>
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