[TechAssist] Re: RCA F27672ET CTC187BD2
- From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 20 Oct 2003 19:35:53 -0500
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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