[TechAssist] Re: Zenith A60M91W1 Distorted picture still

  • From: <tvman@xxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 22 Oct 2004 15:54:43 -0230

Hi Shaun some more to check  Eric
TELEVISION  Zenith  9-1690  Poor Convergence  Replace IC4008 & IC4009. ICs
are Zenith #223-51, both STK392-110, as well as Resistors R4161, R1460,
R4163, and R4162 all 1 ohm/1/2 watt.
TELEVISION  Zenith  9-1690  Poor Convergence  R4161 & R1460 both 1 ohm 1/2W.
Check 26V suppy from 9-1674 CR3419 & FX3460 5A
TELEVISION  ZENITH  9-1690  convergence  r 4160;r4161;r4162;r4163 all 1 ohm
1/2 watt
TELEVISION  ZENITH  9-1690  Convergence way off, no control of convergence.
R4151M (1k SMD) open, off pin 3 of plug 3C8 on 9-1690 convergence module
TELEVISION  ZENITH  9-1690  convergence  replace R-4160; R-4161; R-4162;
R4163 all 1 ohm, 1/2 watt


E M Electronics
Deer Lake NL
Canada
tvman@xxxxxxxxxxxxxxx
eric.manuel@xxxxxxxxx
----- Original Message ----- 
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: "tech" <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 22, 2004 2:12 PM
Subject: [TechAssist] Zenith A60M91W1 Distorted picture still


> This set was dead when it came in I replaced TX3204 (flyback), Q3200 (horz
> out), QX3201, CRX3412, CR3204, CR3206, RX3206 and R3252 some of these
parts
> came in a kit from Tritronics. Now the set comes on but the picture is
> erratic and the convergence looks like it is not working at all. I
replaced
> the convergence module (9-1690) and it looks the same. I am missing
> something on the 9-1978-1 board somewhere, but I have been looking for
days
> now and can't find the problem anyone have any advice?
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
>
>
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