[TechAssist] Re: Sony KV32FS12, shuts down with 4 blinks. UPDATE & FIX
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 7 Apr 2005 13:24:55 -0500
I found an STV9379 on a junk chassis. Replaced IC502. Unit works fine.
According to the data sheets, the FA should have worked. It did not.
On Thu, 7 Apr 2005 12:11:28 -0500 gulftech@xxxxxxxx writes:
> Techs,
>
> This set belongs to the shop. Would like to fix. When powered on,
> hear
> high voltage for a second, LED blinks 3 times, relay click, then LED
> blinks 4 times over and over as long as power cord remains plugged
> in.
>
> The following components have been replaced:
>
> Regulator IC601/STRF6656/874901448
> CRT Driver IC702/TDA6108JF/875956243
> Vertical output IC502/STV9379*
>
> * I notice in the bag of old parts replaced that IC502 is an
> STV9379.
> The one in the set is an STV9379FA. I find that Tritronics also
> lists a
> STV9379A. Do not know which actually belongs in the set (would
> assume
> the STV9379). The tech that worked on it has moved away. Wouldn't
> remember anyway.
>
> Which IC belongs for the vertical output? Are they interchangeable?
> The
> Tritronics website does not list IC502 for that model and I do not
> have a
> schematic.
>
> Am I missing something else?
>
> TIA,
>
>
> Kenneth Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL 32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
>
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