[TechAssist] Re: Toshiba 27A51 dead
- From: walter wood <wwood_38478@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 7 Aug 2003 11:52:09 -0700 (PDT)
I haven't looked at a 27A32 schematic.
I have the A50 and the A51 printed off.
T501 is way different.
Component locators are x8xx instead of x5xx.
But, you got me going in the right direction
anyway.
Thanks
Walter
--- "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
wrote:
> I'm sorry I didn't know there was a lot of
> difference in the two
> chassis's( 27A32)
>
> Phillip R Hull STET
> phil245@xxxxxxxxxxxxx
> FAX 517--569-3075
> ----- Original Message -----
> From: "walter wood" <wwood_38478@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, August 07, 2003 1:42 PM
> Subject: [TechAssist] Re: Toshiba 27A51 dead
>
>
> > Thanks, I'll take it out of circuit and check.
> > Seems OK.
> > I have an up to date WinsTips, and did not see
> a
> > single entrey for 27A51!!!
> > The 27A50 is different.
> > Walter
> > --- "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
> > wrote:
> > > Lightning usally shorts D-514
> > > Its in Winstips
> > >
> > > Phillip R Hull STET
> > > FAX 517--569-3075
> > > ----- Original Message -----
> > > From: "teltek3" <teltek3@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, August 07, 2003 12:40 PM
> > > Subject: [TechAssist] Re: Toshiba 27A51 dead
> > >
> > >
> > > > Walt;
> > > > Will send you a couple of Flow Charts
> shortly,
> > > pick the one that goes with
> > > > that particular chassis.
> > > >
> > > > -Ed-
> > > > Tel-Tek Electronics
> > > > Ontario-Canada
> > > > teltek3@xxxxxxxxxxxx
> > > > ----- Original Message -----
> > > > From: "walter wood" <wwood_38478@xxxxxxxxx>
> > > > To: "Tech Assist"
> <techassist@xxxxxxxxxxxxx>
> > > > Sent: Thursday, August 07, 2003 11:48 AM
> > > > Subject: [TechAssist] Toshiba 27A51 dead
> > > >
> > > >
> > > > >
> > > > >
> > > > > > Haven't found any flow charts or theory
> on
> > > this
> > > > > > one.
> > > > > > Likely Toshiba didn't build it anyway.
> > > > > >
> > > > > > DEAD, nothin' at all when power is
> pushed.
> > > > > > Lightning likely, but nothing burned
> and
> > > fuse
> > > > > > good.
> > > > > On primary side
> > > > > > IC501
> > > > > > pin 1 167vdc
> > > > > > 2 0
> > > > > > 3 0
> > > > > > 4 12 to 14vdc
> > > > > > 5 0
> > > > > On secondary side
> > > > > > D 514 2.1 to 2.5vdc
> > > > > > D 511 0 to 0.6
> > > > > > D 512 4 to 5
> > > > > > D 510 86 to 91
> > > > > > D 505 0
> > > > > > D 509 30
> > > > > >
> > > > > > I'm having a hard time deciding if the
> Scan
> > > and
> > > > > > Data lines are being pulled down, as it
> > > looks
> > > > > > like
> > > > > > the 5 volts isn't being developed in
> the
> > > first
> > > > > > place.
> > > > > Anyone seen one of these before?
> > > > > > Ideas??
> > > > > > Starting place??
> > > > > > By the way, the 167 volts remains even
> when
> > > the
> > > > > > set
> > > > > > is unplugged.
> > > > > > perhaps something open in the primary?/
> > > > > > Walter
> > > > >
> > > > >
> > > > >
> > > > > =====
> > > > > Walter Wood
> > > > > Future Tech Home Center
> > > > > 2786 Hwy. 43 N.
> > > > > Lawrenceburg Tn. 38464
> > > > > 931-829-3337
> > > > > Fax 931-829-4044
> > > > > mailto:wwood_38478@xxxxxxxxx
> > > > >
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=====
Walter Wood
Future Tech Home Center
2786 Hwy. 43 N.
Lawrenceburg Tn. 38464
931-829-3337
Fax 931-829-4044
mailto:wwood_38478@xxxxxxxxx
__________________________________
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