[TechAssist] Re: Toshiba CE36G18 TAC 9708 dead, 170v B+, relay latches
- From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 10 Oct 2002 17:31:26 -0500
STR-Z4151B most likely is bad
also check all diodes around STR
I usually find leaky diodes when ic fails from storm damage
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Lyles Tv" <tech@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 10, 2002 5:01 PM
Subject: [TechAssist] Re: Toshiba CE36G18 TAC 9708 dead, 170v B+, relay
latches
>
> 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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