[TechAssist] Re: Samsung HCN4226W-STK392-040 Sanyo original IC-smoked RZ123-126
- From: "Damon" <DamonEB@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 20 Dec 2005 02:55:19 -0500
I replaced some -040's on a Samsung and they smoked too.
We just went and replaced the entire board after that episode.....
Damon B
Telrad Electronics
Fort Wayne IN
----- Original Message -----
From: "Dale Lubow" <harristv@xxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 19, 2005 4:16 PM
Subject: [TechAssist] Samsung HCN4226W-STK392-040 Sanyo original IC-smoked
RZ123-126
> I have a Samsung HCN4226W with the red convergence bad. I ordered
> 2-STK392-040 from Tritronics and the packages they came in said Sanyo
> original IC. Before I did anything I verified the problem again. The red
> convergence was very distorted. I then examined and checked the resistors
on
> the convergence board. Everything checked OK. I first just replaced the
one
> STK392-040 that had the red drivers in it just to see if it would take
care
> of the problem. ResistorsRZ123,124,125, 126 started smoking and the little
> pico fuse went out. Then I stuck the original STK back in it and replaced
> the pico fuse(resistors were still ok). I was back to my original
distorted
> red convergence. I though maybe I got a bad new IC so I tried the 2nd one
I
> ordered and it started burning the same resistors again. I have to
concluded
> the IC's I got from Tritronics are not compatible with the originals. They
> look the same with the Sanyo name on it and the rest of the numbers in the
> same places. I re-estimated the original 1201-001225 Samsung IC's to my
> customer because I know they should work OK. I looked through the previous
> posts but I didn't see any problem like this listed. Has anyone else had
any
> similar problems? I usually feel safe with Sanyo originals in this
> application, but now I am not so sure?
> TIA
> Dale
>
> --
> Dale A. Lubow CET
> Harris TV & Appliance
> 335 Lincoln Way
> Ames, IA 50010
> 515-232-1109 (Voice)
> 515-232-3356 (Fax)
> HarrisTV@xxxxxxxxx
>
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