[TechAssist] Re: Toshiba CZ27T31 Flickering Video

Hello Jeff,
I've seen the  symptom you describe, and the effect on it by screen control, in 
many zenith chassis.  In this case it was caused by a 1uf 50v cap in the ABL 
line feeding the video chip. might be worth checking on this set.

Mike Gauthier
Gauthier TV
44 Elm St.
Amesbury Ma 01913
978 388 2213 
413 425 6490 fax
mailto:gauthiertv@xxxxxxxxxxxx 

  ----- Original Message ----- 
  From: Shoreline Electronics 
  To: techassist@xxxxxxxxxxxxx 
  Sent: Tuesday, January 01, 2002 8:55 PM
  Subject: [TechAssist] Toshiba CZ27T31 Flickering Video



  Make : Toshiba
  Model : CZ27T31
  Chassis : TAC9905
  Problem : Video flickers when cold....stops after about 10 minutes of warm
  up.


  Put this on the bench Monday at the end of the day.  Picture was flickering
  as soon as we turned it on.
  After the warm up period it stopped we grabbed a can of freeze spray &
  started chilling all the parts.  Problem wouldn't return.

  I noticed the video looked a teeny bit bright so I started tweaking the G2 &
  I noticed when we increased the G2 control the flickering problem would
  return....backed it down problem gone!

  Odd thing though...when the G2 gets cranked up we don't see the usual ultra
  bright screen with retrace lines...just this flickering video.

  Is this normal on these newer Toshiba sets?

  Tomorrow we'll see if it the problem is back when we first fire it up.

  Jeff Stielau
  Shoreline Electronics Repair
  125 Beechtree Lane
  Westbrook,CT 06498
  860-399-1861 Voice
  860-664-3535 Fax
  jstielau@xxxxxxxx


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