[TechAssist] Re: Zenith CTV-A32B41W(Chassis GB) (main model# 9-2003)

  • From: "Valley TV" <valleytv@xxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 18 Nov 2002 09:43:51 -0500

Dale-
GREAT chance that the vert. IC is defective..  Also be sure to check the caps 
in the vert circuit after changing the IC.

Gary
Valley TV
Berwick, Pa office

----- Original Message -----
From: HarrisTV50010@xxxxxxx
Date: Mon, 18 Nov 2002 08:16:24 EST
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Zenith CTV-A32B41W(Chassis GB) (main model# 9-2003) 


> We have this Zenith CTV Model# A32B41W (GB Chassis) and a main module of 
> 9-2003. This set will run for about 2 seconds and shuts down. The standby B+ 
> is 145V and as soon as you push the power button the B+ drops to about 139V 
> and it fires up and sounds normal for about 2 seconds and then shuts down. We 
> have replace the 2-electrolytics(CX3416 & CX3413) and STR53041(ICX3431). We 
> have also checked one by one the other parts in the primary of the power 
> supply. The only part we can't check is the switch mode power transformer. We 
> could have a part that is breaking down under voltage. Does anyone have any 
> ideas what could be causing this problem?
> 
> TIA,
> Dale
> 
> 
> 
> Dale A. Lubow... HarrisTV50010@xxxxxxx ..515-232-1109..(Fax)515-232-3356
> Harris TV & Appliance..........335 Lincoln 
> Way.....Ames.....Iowa.....50010-3384
> 
> 
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