[TechAssist] Re: Emerson Tv TC2033 (maybe also TC1933) resistor values please
- From: "Tel-Tek Electronics" <teltek2@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 30 Apr 2002 15:40:02 -0400
Gary;
Not sure about that one but I have a note here for M2550 with horizontal O/P
running hot.
Replace R412 from 1K to 680m ohms.
C435..1ufd/160 volts.
Q402 Driver ECG157.
These sets were the ones we actually added another heat sink to, to make
them run cooler.
-Ed-
Tel-Tek Electronics
Midland, Ont. Canada.
teltek2@xxxxxxxxxxxx
"Quality will be remembered, long after Price is forgotten"
----- Original Message -----
From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, April 30, 2002 2:23 PM
Subject: [TechAssist] Re: Emerson Tv TC2033 (maybe also TC1933) resistor
values please
>
> Eric, I have the set running now, but the HOT/regulator heatsink seems
> to get pretty hot. Do you recall if that is normal or not?
>
> I replaced the HOT with 2SD1427 (thats what was in there), regulator
> 2SD1092, 5 caps around the flyback plus C803, R802, R803, R806. Checked
> flyback with HR simulator and it was fine. Measured HOT collector
> waveform and it is 1050V p-p and shape looks good. B+ to HOT collector
> is 139.5 Vdc. This sounds a bit high. Is it normal for this chassis?
>
> Thanks
>
> Gary
>
>
>
> Eric Manuel wrote:
> >
> > Hi Gary R806=18 K---R803=5.6k I have the print..Eric
> > Eric Manuel
> > Deer Lake Nfld
> > Canada
> > 709-635-2627
> >
> > Gary McCartney wrote:
> > >
> > > I have a 19" Emerson Tv model TC2033 which is likely the same as
TC1933.
> > > Can't find any SAMS listing for it. I require the values of resistors
> > > R803 and R806 in the regulator circuit. This set uses D1092 as the
> > > regulator transistor.
> > >
> > > Thanks for any help.
> > > --
> > >
> > > Gary McCartney
> > >
> > > McCartney Electronics
> > > 7134 Fife Rd, RR 7
> > > Guelph Ontario Canada N1H 6J4
> > > Fax: (519)821-1530
> > > email: number63@xxxxxxxxxxxxx
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> --
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63@xxxxxxxxxxxxx
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