[TechAssist] Re: Toshiba CF3564B immediate shutdown Q480 shorted e-c
- From: Andrew Rose <badandy2@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 30 Oct 2003 17:08:10 -0500
120 volts to horz output from flyback never changed one but i would check
the fly and output
Andrew rose
action TV
----- Original Message -----
From: "Larry Eastman" <videotech@xxxxxxxxxxxx>
To: "techassist" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 30, 2003 2:37 PM
Subject: [TechAssist] Toshiba CF3564B immediate shutdown Q480 shorted e-c
> Hi Guys, this 35" Toshiba starts up and HV immediately shuts down, I
> don`t have the schematic
> and can`t figure out what Q480 is for, but it`s shorted e-c. If I remove
> the plug marked PD03
> from the HV board the set will stay on, (idiot lights on front stay on,
> ) HOT is not shorted,
> and none of the fuses are blown,I have no tech notes on this model,
> Tritronics web page shows the original Q480, 2SD1294(FA) is NLA but
> show a RCA 2SD1294 (no FA) is available, can anyone tell me what Q480`s
> purpose is and if you`ve seen this one before whether replacing Q480
> will fix it or not? TIA, Larry E
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
>
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