[TechAssist] Re: Toshiba 27A51 dead
- From: "teltek3" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 7 Aug 2003 12:40:24 -0400
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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