[TechAssist] Re: Toshiba CE36G18 TAC 9708 dead, 170v B+, relay latches

  • From: "Lyles Tv" <tech@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 10 Oct 2002 17:01:02 -0500

I don't have the 125v at F470 when removed.  I don't get any voltages on the
secondary of t862.  I'm gonna look at IT closely in the morning.  Maybe
open?

Jeff Farnsworth
Lyles TV and Appliance
17 S Washington St
Elkhorn, Wi.  53121
ph    262-723-3477
fax   262-723-3658
tech@xxxxxxxxxxx
----- Original Message -----
From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 10, 2002 4:36 PM
Subject: [TechAssist] Re: Toshiba CE36G18 TAC 9708 dead, 170v B+, relay
latches


>
> Jeff,
> The relay latch at plug-in is because the unit was powered on when failed.
> When you remove F470, do you have proper +125 volts on one side of fuse
> holder?
> If so regulator circuit is OK. Try checking Q471 & Q472 for leakage.
> Robert
> tvservice@xxxxxxxxxxxxxxxxxxx
> H & H Electronics Inc
>
>
>
> ----- Original Message -----
> From: "Lyles Tv" <tech@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 10, 2002 3:29 PM
> Subject: [TechAssist] Toshiba CE36G18 TAC 9708 dead, 170v B+, relay
latches
>
>
> > CE36G18  TAC9708 dead.  Relay latches at plug in.  170v B+  170V on pin
1
> of Q801 STRZ5141B  all output voltages of regulator pulsing.  I've tried
> isolating vertical and audio. I replaced Q883, a  6 volt regulator.    I
do
> have the schematic, but it isn't helping.  Any ideas would be greatly
> appreciated.
> >
> > Jeff Farnsworth
> > Lyles TV and Appliance
> > 17 S Washington St
> > Elkhorn, Wi.  53121
> > ph    262-723-3477
> > fax   262-723-3658
> > tech@xxxxxxxxxxx
> > yyyyy
> >
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