[TechAssist] Re: RCA TV model F27251WN chassis CTC177BH2 No video,have sound
- From: "S. Pasher" <spasher@xxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 31 Jan 2004 00:13:48 -0330
Send me your email addressand i will send you the schematic.
Buck Pasher
Buck's TV
Gander Newfoundland
Canada
709-256-7738 (Fax & Phone)
----- Original Message -----
From: "Chuck Norton" <cen@xxxxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 30, 2004 9:04 PM
Subject: [TechAssist] Re: RCA TV model F27251WN chassis CTC177BH2 No
video,have sound
> Thanks for the help everyone. The eprom did fix the no video problem. Now
> there is no horizontal hold. Someone has worked on the set before me but I
> have no idea what all they might have done. I checked all the flame proof
> resistors and they are ok. Found one cap that was bad (C4105) but it was
no
> help. As large of a value as it is, (10ufd) I doubt that it is in that
part
> of the circuit anyway. As Phil said, I've already got way too much
invested
> in this thing in time so am going to have to set it aside for awhile. It
> sucks working without schematics but such is life. You can't afford to buy
> one for every set that comes in anymore.
>
> Frequency Standards & Services
> 2727 E. Palmer Park, Ste. 100
> Colorado Springs, CO. 80909-3032
> 719-228-0540 voice
> 719-228-9009 fax
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Phil Bader
> Sent: Thursday, January 29, 2004 3:47 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: RCA TV model F27251WN chassis CTC177BH2 No
> video,have sound
>
> Chuck-
> Throw a five dollar eeprom in it. Don't even adjust anything-just see if
> video is
> restored. Nine out of ten times when the tuner wrap issue is present, the
> video
> loss is eeprom corruption. Sounds like you've invested a hundred bucks
labor
> already. Try it and see.
> Good luck,
> Phil
> Jan Phyl TV Inc
>
> al m wrote:
>
> > Put a IF signal in at the saw filter and see if you get video.
> > Al Marquardt
> > ampm@xxxxxxx
> > Al Marquardt Electronic Repair
> > 206 W Main
> > Girardville Pa. 17935
> > ----- Original Message -----
> > From: "Chuck Norton" <cen@xxxxxxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, January 29, 2004 11:50 AM
> > Subject: [TechAssist] RCA TV model F27251WN chassis CTC177BH2 No video,
> have
> > sound
> >
> > > This set powers up and gives me no video. I have audio, can change
> > channels
> > > ok, I have video coming out of the tuner and up to the comb filter. I
> have
> > > replaced the filter and the video IC. Coming out of the video IC all I
> > have
> > > to drive the guns is a large pulse. Power supplies all seem normal. It
> > > originally had no video or sound and I did the usual re-solder in the
> > tuner
> > > pack and that got me to this stage. I have video coming out of the
tuner
> > but
> > > I did the tapping and cold spray on tuner just to make sure there
wasn't
> > > still a problem in it. No help. Any suggestions?
> > > Chuck Norton
> > >
> > >
> > > Frequency Standards & Services
> > > 2727 E. Palmer Park, Ste. 100
> > > Colorado Springs, CO. 80909-3032
> > > 719-228-0540 voice
> > > 719-228-9009 fax
> > >
> > >
> > >
> >
>
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> --
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
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