[TechAssist] Re: RCA F27672ET CTC187BD2
- From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 20 Oct 2003 22:19:19 -0500
I think you misunderstood what I said ( or plain and simple Im tired and
cannot think now) I was compairing the g2 source at gnd potential to the
200v source at ground potential. G2 gives a dark pix and 200v source gives a
brite w/ retrace when at gnd. two different sources. Why am I even
compairing these two sources, who knows like I said time to call it a day.
Tony Saracco
TCS ELECTRONICS
Elgin , IL 60120
847-695-1928
tcselectronics@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, October 20, 2003 9:06 PM
Subject: [TechAssist] Re: RCA F27672ET CTC187BD2
> Isn't ground equal to zero volts?
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of tony saracco
> Sent: Monday, October 20, 2003 5:36 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: RCA F27672ET CTC187BD2
>
> no, with a G2 short its voltage is at 0 volts just like turning down the
> G2
> all the way and getting a dark pix, if the 200v source were to go to
> ground
> the pix would go very brite w/ retrace.
>
> Tony Saracco
> TCS ELECTRONICS
> Elgin , IL 60120
> 847-695-1928
> tcselectronics@xxxxxxxxxxxxxxxx
> ----- Original Message -----
> From: "Kevin" <kevintv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, October 20, 2003 3:48 PM
> Subject: [TechAssist] Re: RCA F27672ET CTC187BD2
>
>
> > Wouldn't a G2 short make the picture go very bright?
> >
> > Kevin Wilks
> > Kevin's TV & Video Repair
> > Penticton BC Canada
> > kevintv@xxxxxxx
> >
> >
> > -----Original Message-----
> > From: techassist-bounce@xxxxxxxxxxxxx
> > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Terry H.
> > Sent: Monday, October 20, 2003 1:21 PM
> > To: techassist@xxxxxxxxxxxxx
> > Subject: [TechAssist] Re: RCA F27672ET CTC187BD2
> >
> > Neil, you most likely have a G2 short and is easily removed. Pull the
> > crt
> > board, put a clip lead on the G2 pin the other end to a long
> > screwdriver.
> > Fire the set up then off. Discharge the crt into that pin. If it
> doesn't
> > work the first time, do it again. The crt is already toast so you
> don't
> > have
> > alot to lose. Before trying all this, check the G1 pin when it's
> > happening.
> > Should be around 21 volts or so. If you're getting more than 100, then
> > the
> > G1 bypass cap is bad. HTH
> > Terry H.
> > The TV Shop
> > Gonzales, Tx
> >
> > ----- Original Message -----
> > From: "Kevin" <kevintv@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, October 20, 2003 3:04 PM
> > Subject: [TechAssist] Re: RCA F27672ET CTC187BD2
> >
> >
> > > I have seen this problem with Zenith picture tubes, and the cause is
> a
> > > bad connection inside the picture tube. I have seen it twice with
> 20"
> > > RCA's. HTH
> > >
> > > Kevin Wilks
> > > Kevin's TV & Video Repair
> > > Penticton BC Canada
> > > kevintv@xxxxxxx
> > >
> > >
> > > -----Original Message-----
> > > From: techassist-bounce@xxxxxxxxxxxxx
> > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Neil Bowman
> > > Sent: Monday, October 20, 2003 12:23 PM
> > > To: techassist@xxxxxxxxxxxxx
> > > Subject: [TechAssist] RCA F27672ET CTC187BD2
> > >
> > > I worked on this unit last week for bowed picture and it turned out
> > that
> > > cc4407 was the problem. Set worked fine for 2 days in shop. Customer
> > > takes it home and calls the next day and says that the picture is
> goes
> > > very dark. I put it on my bench with nice picture, then 5 minutes
> > later
> > > it went dark. Screen control is ok, it adjusts, just very dark
> video.
> > > Even the menu is very dark. I tried freezing to bring video back,
> but
> > no
> > > go. Any tips on this one? Neil
> > >
> > > Tv Doctors
> > > Monroe,Wa
> > >
> >
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