[TechAssist] Re: Sanyo TV AVM-20F5 dead- need regulator and zener D809 value
- From: ELECTRONICABILLS@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 7 Dec 2004 14:43:42 EST
In a message dated 12/7/2004 12:30:37 PM Mountain Standard Time,
gary@xxxxxxxxxxx writes:
> Subj: [TechAssist] Sanyo TV AVM-20F5 dead- need regulator and zener D809
> value
> Date: 12/7/2004 12:30:37 PM Mountain Standard Time
> From: gary@xxxxxxxxxxx
> Reply-to: techassist@xxxxxxxxxxxxx
> To: techassist@xxxxxxxxxxxxx
> Sent from the Internet
> I have measure for you the regulator
below i have indicated the actual Ohm readings (it is bad)
we do have them in stock in case you need them for $8.65ea
Bill Poulos
1-800-722-5578
www.electronica-usa.com
>
>
> I have a Sanyo TV, model AVM-20F5 (2002 year, flat CRT 20") which is
> completely dead- no relay click. Only life is 165V on B+ pin of regulator.
>
> 5 pin Regulator is a KA 3S0680RF (# on part is 3S0680RF) and out of
> circuit, I measure some low resistances- pin 2-4= 32 Ohm, pin 2-5= 4.8 >
> 35Ohm
> ohm, pin 4-5= 35 ohm >100Ohm. I'm not familiar with this reg, but these
> measurements appear to be too low. Found a data sheet at Fairchild
> semiconductor for similar but not the same reg., and it shows some
> diodes inside the chip which if shorted would probaly give me those
> readings.
>
> Through research but not finding the exact data sheet I need, I did
> learn that the digits "06" in my part number mean 6 Amps and the "80"
> mean 800V if that could help someone in the future.
>
> Zener diode D809 is open and I can't make out the stamping on it.
>
> Does anyone have any manufacturer's (Samsung, JVC, etc.) cross ref. for
> this regulator and/ or the value for zener D809?
>
> One note, there is a stamping on corner of main board, maybe the chassis
> #, not sure:
>
> PTBM08
> KEC-VER:011019
>
> Thanks for any help.
> --
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
>
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