[TechAssist] Re: 2SD2539 and 2SD2539LBMA1(Panasonic)
- From: Jorge Camboni <geo@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 30 Dec 2003 15:17:46 -0600
Must be like the Toshiba' s LA7833 (or LA7833S) if you sub it
with a regular 7833 you blow it at once, it has the same looks but
the one from Toshiba stands 10 or 15 volts more to fit their design.
After all, they manufacture them for themselves and they choose the
labels....
Jorge
At 02:56 p.m. 30/12/03 -0500, you wrote:
> I hope someone can clear this up. My factory schematic for a Panasonic
>CT32G5B, ch. #ABP331, shows a 2SD2539LBMA1 as the H.O.T without an
>internal damper
>diode. It does show an external damper stack with a parabola source for the
>pincushion correction circuit, much the same as in an RCA CTC169 chassis. It
>seems that this transistor is a special configuration w/o damper for
>Panasonic/Quasar. I found the 2SD2539 specs in the Toshiba site and it
>does indeed
>include a damper diode.
>
>Dominic DiLeo
>Atlantic TV
>Freeport, Maine
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Jorge Camboni, GY Electronics, Richardson, TX
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