[TechAssist] Re: RCA P60752EB, PTK169PEC intermittant video:goes black, has sound

  • From: "tvservice" <tvservice@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 21 Apr 2005 15:46:23 -0500

I have seen the input selector switch IC on back edge of main board near
jacks cause intermittent video.
Try heating and cooling this IC
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc

----- Original Message ----- 
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, April 21, 2005 1:26 PM
Subject: [TechAssist] RCA P60752EB, PTK169PEC intermittant video:goes black,
has sound


> Customer said this intermittant problem happens more now:
> Sound stays OK.
> I've seen it: Video intermittantly sort of streaks, then goes, leaving a
> black screen. Not the HV,it stays... this is definately just the
> composite video picture. I'm testing this on the cable tuner input now,
> not sure if it happens on any other inputs (just got here).
> I'm a tech from the 1970's and this looks like the symptom where a
> breakdown switch is dirty and you moved it causing the video to jump
> out, or a video peaking coil is opening. Kind of a static lines to the
> right across the screen then black.Any histories on video loss like this
> on these? (intermittants like these are difficult to nail down)
> Phil Bader
>
> -- 
>
> 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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