[TechAssist] Re: Zenith Projection TV Z56Z83R8 Convergence trouble

  • From: "coach" <coach@xxxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 22 May 2002 11:13:06 -0600


We had the same problem with 2 Zenith 9-1690's lately and the FIX was to
replace the IC4000, IC 4001 or IC4002.  Pins 40 and 41 were lower ohms
compared to the other 2.

Coach
www.athometvservice.com
4975 W. 80th
Westminster, CO 80030
303 722-3333

----- Original Message -----
From: "John Wilkerson" <ctn15261@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 21, 2002 12:07 PM
Subject: [TechAssist] Zenith Projection TV Z56Z83R8 Convergence trouble


> Customer brought this set in to the shop. The blue convergence was off and
couldn't be adjusted and the blue lettering on the top of the screen was
just dashes. I checked R3243 and R3244 on the deflection board and they were
ok.  Put in new STK392-110 IC's on the convergence board and powered up the
tv. R4163 and R4162 burnt quickly and R4160 and R4161 burned slower on the
convergence board. I had changed these resistors with 1 ohm resistors.  Is
that the correct value for these resistors?  Any help will be appreciated.
>
> John Q Wilkerson Jr
> John Q's TV Repair
> Selmer, Tenn 38375
> 731-632-1144
> ctn15261@xxxxxxxxxxxxxx
>
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