[TechAssist] Re: RCA G32686LV CTC197CE2 Horiz. collapse
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 29 Oct 2004 14:10:46 -0500
Sounds like the horiz yoke is open, not connected, or the circuit from
the HOT collector to the yoke connector is open. This sounds simple but
sometimes it's easy to overlook the obvious. With no horiz yoke it would
be normal for the HOT collector pulse to be greatly reduced in amplitude
and much wider and the base than normal.
*******************************************************************************************************************
Since 1972
Jim Myers
Telrad Electronics
Fort Wayne, Indiana
Larry E wrote:
> Hi Guys, This 197 chassis is giving me fits, had the typical 3 clicks
> then nothing,
> replaced flyback kit (oem) now I have start up with audio but picture is
> almost
> totally collapsed horizontally, I have a 1/2" wide picture right in the
> center of
> the screen, If I let it run for 4-5 minutes it eats the HOT, figured I
> got a bad
> flyback so I ordered and installed another one, same symptom, I have
> 165v
> on C of HOT in standby, drops to 144v when turned on, scoped the C of
> the HOT and I only have 625v p-p, waveform is normal but half what it`s
> supposed to be, I`ve checked C14402,14716,14800,14805,14403. 14404,
> CR14402,14800, all good, I can`t seem to find the problem, could I have
> a
> bad deflection IC?? (U16201), My VA-48 is broke so I can`t ring the yoke
>
> if anyone has seen this I could sure use the tip, tia, Larry E
>
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
>
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