[TechAssist] Re: Sharp 32U-S50B Dead
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 22 Apr 2004 09:53:54 -0400
Peter,
Just finished up a 32US50, don't know the difference between yours..
but took some voltages with set off for you, maybe this will help..
From (-) C705 set off...
IC701
1 11.4
2 0
3 1.4
4 .1
5 0
6 0
7 0
8 164.
Q701
S 0
G .3
D 165.
IC702
1 9.7 Tuner ground
2 10.8 Tuner ground
3 1.4 (-) at C705
4 17. (-) at C705
Q601 and Q602
Collectors at 125./ Tuner ground.. Keypad buttons at 4.9
Hope this helps...
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, April 21, 2004 11:31 PM
Subject: [TechAssist] Re: Sharp 32U-S50B Dead
> No luck so far still dead, have redone probabbly about a hundred but this
> whole chassis was built with so many of those dumb vespa feed thru's
that
> seem to always be a problem, and there are hundreds of them. I did notice
> something the schematic I have is a 32US50 this set is a 2003 model
32US50B
> the B seems to indicate some part diffrences' does anyone have the B
> schematic for comparison?
>
> Peter Oliver
> Tucson Radio TV
>
>
> From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Sharp 32U-S50B Dead
> Date: Tue, 20 Apr 2004 16:11:44 -0400
>
> Peter,
> I posted a repair for the newer Sharps.. All kinds of crazy
> symptoms.. Don't even check... Resolder all the "eyelets" ALL OF THEM..
> There all over degaus, yoke,fly, resistors... I even had one that burnt
the
> foil off the fly pins....
> Bob,
>
> Bobs TV Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main 508-853-1482
> Fax 508-853-1480
> ----- Original Message -----
> From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, April 20, 2004 3:41 PM
> Subject: [TechAssist] Sharp 32U-S50B Dead
>
>
> > Sharp
> > 32u-s50b
> > mfd 2003
> > Set is in a dead/shutdown condition. B+ at collector
of
> HOT
> > is only ~120v. When power is pushed set will click then click off again
> > after ~ 6 sec. Flyback rings ok (~70 rings on sencore). Have the
> schemaic.
> > And the discusion goes on about pittifel equipment only a year old.
> > Any one run into this before?
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> > _________________________________________________________________
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