[TechAssist] Re: Toshiba Model cx2950c chassis 8820 Dead
- From: Andrew Rose <badandy2@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 20 Aug 2003 22:02:48 -0700
+ side goes to pin 8 of Xformer
Andrew Rose
Action TV
----- Original Message -----
From: <tvservice@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 21, 2003 6:52 AM
Subject: [TechAssist] Re: Toshiba Model cx2950c chassis 8820 Dead
> Check the polarity installation of the cap C841
> you may have installed backward
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
> Dallas, TX
> ----- Original Message -----
> From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, August 21, 2003 2:18 PM
> Subject: [TechAssist] Re: Toshiba Model cx2950c chassis 8820 Dead
>
>
> > Hi Al
> > checked the installation of the Str regulator and it has the sk4512
> > code on it..I installed it same as unit removed..Is there a difference
> > pinout with this code..Set now comes on but C841 is overheating
> > and is in on the sides.
> > Alvin
> > Al Gutz wrote:
> >
> > >Alvin
> > >
> > > Watch the STR for code SK4512, check resistance before installing.
> > >
> > >AL G
> > >Al's TV-Electronics
> > >Pembroke Ont.
> > >Canada
> > >
> > >teltek3 wrote:
> > >
> > >
> > >>Here's the "Poop"
> > >>Change...
> > >>R820....68 ohm 1/2 watt
> > >>C841....22ufd/50V
> > >>C822....920 ohm 1/2 watt
> > >>Q802....STR-D1005T (Be careful with this Replacement, some Generics
have
> the
> > >>pins pre-formed in the opposite direction, so when pulling out
original
> make
> > >>note of the way this Regulator was positioned...writing facing in the
> same
> > >>direction as the one removed.)
> > >>
> > >>Only other thing may be that you have the polarity of C841
> reversed...check
> > >>that.
> > >>
> > >>-Ed-
> > >>Tel-Tek Electronics
> > >>Ontario-Canada
> > >>teltek3@xxxxxxxxxxxx
> > >>----- Original Message -----
> > >>From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
> > >>To: <techassist@xxxxxxxxxxxxx>
> > >>Sent: Wednesday, August 20, 2003 7:42 PM
> > >>Subject: [TechAssist] Re: Toshiba Model cx2950c chassis 8820 Dead
> > >>
> > >>
> > >>
> > >>>Hi Ed
> > >>>c822 was changed with a 100 Mfd 50 volt electrolytic and r820 checks
ok
> > >>>at 68 ohms ...Is there anything else that can cause this problem..I
> have
> > >>>
> > >>>
> > >>no
> > >>
> > >>
> > >>>schematic for this one...Will replace c841 with a higher voltage unit
> > >>>A.R
> > >>>
> > >>>
> > >>>>-Ed-
> > >>>>Tel-Tek Electronics
> > >>>>Ontario-Canada
> > >>>>teltek3@xxxxxxxxxxxx
> > >>>>----- Originaere anything l Message -----
> > >>>>From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
> > >>>>To: <techassist@xxxxxxxxxxxxx>
> > >>>>Sent: Wednesday, August 20, 2003 6:13 PM
> > >>>>Subject: [TechAssist] Toshiba Model cx2950c chassis 8820 Dead
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>>Hi Guys
> > >>>>>
> > >>>>>We have a toshiba CX2958c chassis 8820 which was dead
> > >>>>>replaced c863 and c866 also c841... Replaced voltage
> > >>>>>regulators Q801 and Q802 set came on but after a few
> > >>>>>seconds blew the case off C841 again..Any help on this
> > >>>>>unit would be appreciated ... also value of C841
> > >>>>>Alvin Rose
> > >>>>>Radio & Tv Centre
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> >
>
>>>*************************************************************************
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