[TechAssist] Re: Sony Stereo No DisplayTX-AX311
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 13 Oct 2003 16:13:56 -0400
You can also just check to be sure. The b-c junction will have a slightly
lower forward bias voltage than the b-e junction.
Leonard G. Caillouet
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: <cctv-vcr@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, October 13, 2003 3:39 PM
Subject: [TechAssist] Re: Sony Stereo No DisplayTX-AX311
> As with nearly all Japanese transistors (2sa,2sb,2sc,2sd) the collector is
in
> the middle.
>
> --
> Carson City TV-VCR
> 2164 E Hwy 50
> Carson City, NV 89701
> 775-887-9089 fax 775 887-1067
> > Does anyone know which way the new Q951 goes in (2SB1094-l)(E,B,C) I
> > replaced all three
> > parts with original Sony and still no display. Q951 was shorted along
with
> > the diode and the resistor was open but I am not sure which way the new
> > transisor goes in. The board is only marked with the E on it but the
> > transistor has notheing. Also if anyone has a print voltages on tis
> > transistor would be a huge help. tia
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> >
> > satguy@xxxxxxxxxxxxx
> > ----- Original Message -----
> > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, October 06, 2003 11:57 AM
> > Subject: [TechAssist] Re: Sony Stereo No DisplayTX-AX311
> >
> >
> > > Check your model number, if it is TA-AX311 you need to replace Q951,
> > 2SA733
> > > with a 2SB1375 and check and replace a resistor and diode:
> > > No display, found R955 open, Q951 shorted and D957 shorted. Replace
Q951,
> > > P/N 87291413, R955, P/N 124940911, and D957, P/N 871900248
>
> > > **************************************************
> > > Jim Myers
> > > Since 1972
> > > Telrad Electronic Services Co.
> > > Fort Wayne, IN 46815
> > > *************************************************
> > > ----- Original Message -----
> > > From: "Advanced Electronics" <satguy@xxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, October 06, 2003 11:05 AM
> > > Subject: [TechAssist] Re: Sony Stereo No DisplayTX-AX311
> > >
> > >
> > > Second request on this unit......
> > >
> > > Shaun
> > >
> > > Advanced Electronics
> > > 224 West Riverview Ave.
> > > Fort Morgan, CO 80701
> > >
> > > satguy@xxxxxxxxxxxxx
> > > ----- Original Message -----
> > > From: "Advanced Electronics" <satguy@xxxxxxxxxxxxx>
> > > To: "tec" <techassist@xxxxxxxxxxxxx>
> > > Sent: Friday, October 03, 2003 1:19 PM
> > > Subject: [TechAssist] Sony Stereo No DisplayTX-AX311
> > >
> > >
> > > > This unit has no display it will not light the display tube. I
replaced
> > > the
> > > > dispaly tube with no change still does not light up. Are there any
>
> > > > transistors that might cause this problem? I do not have a print for
> > this
> > > > but would like to get it fixed anyway.
> > > >
> > > > Shaun
> > > >
> > > > Advanced Electronics
> > > > 224 West Riverview Ave.
> > > > Fort Morgan, CO 80701
> > > >
> > > > satguy@xxxxxxxxxxxxx
> > > >
> > > >
> > >
> >
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