[TechAssist] Re: Fw: [TechAssist-B] Re: Toshiba cn36g90 shutdown UPDATE
- From: becyn@xxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 04 Dec 2005 12:39:07 -0500
Would that be a BAD thing????? Worked for me! ;-)
Jim McVey
----- Original Message -----
From: Tel-Tek Electronics <teltek3@xxxxxxxxxxxx>
Date: Saturday, December 3, 2005 10:04 pm
Subject: [TechAssist] Re: Fw: [TechAssist-B] Re: Toshiba cn36g90
shutdown UPDATE
> As I stated...didn't hear it from me.
> Do we need "disclaimers"
>
>
> NESDA would dis-own me..
>
> -Ed-
>
>
> "Seasons Greetings"
>
> Tel-Tek Electronics
> Ontario-Canada
>
> teltek3@xxxxxxxxxxxx
> teltek@xxxxxxxxx
> ----- Original Message -----
> From: "al m" <ampm@xxxxxxx>
> To: "tech assist" <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, December 03, 2005 8:59 PM
> Subject: [TechAssist] Fw: [TechAssist-B] Re: Toshiba cn36g90
> shutdown UPDATE
>
>
> >
> >> When I was working at a Warranty repair shop we once called RCA
> and they
> >> told us to do the same thing and the reasoning was, sometimes
> you got to
> >> burn something to find the problem.
> >> Al Marquardt
> >> ampm@xxxxxxx
> >> Al Marquardt Electronic Repair
> >> 206 W Main
> >> Girardville Pa. 17935
> >> ----- Original Message -----
> >> From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
> >> To: <repair@xxxxxxxxxxxxxxx>
> >> Sent: Saturday, December 03, 2005 3:53 PM
> >> Subject: [TechAssist-B] Re: Toshiba cn36g90 shutdown UPDATE
> >>
> >>
> >>> Jeff;
> >>> As I mentioned, Toshiba has no documented Yoke problems on these.
> >>> I am a Toshiba ASC...and I see a few, but never run across bad
> yokes,
> >>> not
> >>> to
> >>> say it could not happen.
> >>>
> >>> Pincushion, may be a problem.
> >>>
> >>> Now you didn't hear this from me, but try "clamping" the relay
> for a few
> >>> seconds, and watch for smoke.
> >>>
> >>> Not a good service procedure, but seeing you are deeper then
> you
> >>> intended
> >>> to
> >>> go, keep a close eye on the "sweep caps" and check for flame
> out. May
> >>> require a new H/O Transistor when done, if your not quick enough.
> >>>
> >>> But as I mentioned...you didn't hear it from me..and I expect
> mail for
> >>> even
> >>> suggesting this "shotgun" method.
> >>>
> >>> Shut down on these sets is pretty critical, anything from no
> Vertical>>> sweep,
> >>> to shorted Audio O/P IC will cause this.
> >>>
> >>> Pulling the Yoke plug produces no Derived Voltages, which means
> the set
> >>> will
> >>> probably remain on, sending you to a false indication.
> >>>
> >>> If you have the Chassis Family, I can send you the shut-down
> >>> Troubleshooting
> >>> guide, but I have always found when you get to the end, you are
> left>>> hanging.
> >>>
> >>>
> >>> -Ed-
> >>>
> >>>
> >>> "Seasons Greetings"
> >>>
> >>> Tel-Tek Electronics
> >>> Ontario-Canada
> >>>
> >>> teltek3@xxxxxxxxxxxx
> >>> teltek@xxxxxxxxx
> >>> ----- Original Message -----
> >>> From: "Rochester TV" <rochester.tv@xxxxxxxxxxx>
> >>> To: <repair@xxxxxxxxxxxxxxx>
> >>> Sent: Saturday, December 03, 2005 4:19 PM
> >>> Subject: [TechAssist-B] Re: Toshiba cn36g90 shutdown UPDATE
> >>>
> >>>
> >>>>I installed all OEM parts, including flyback.When Horz o/p is
> removed
> >>>>and
> >>>> bulb is across col and emitter pads, the set stays on B+
> regulated
> >>>> nice.
> >>>> Thought I had a bad fly, rreplaced with oem still shutsdown.
> >>>> Removed yoke connector and set doesn't shutdown(only leave on
> for a few
> >>>> seconds).Dont see any burns on inside of yoke either.
> >>>> TIA~Jeff
> >>>> ----- Original Message -----
> >>>> From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
> >>>> To: <repair@xxxxxxxxxxxxxxx>
> >>>> Sent: Saturday, December 03, 2005 1:19 PM
> >>>> Subject: [TechAssist-B] Re: Toshiba cn36g90 shutdown UPDATE
> >>>>
> >>>>
> >>>>> Jeff;
> >>>>> Toshiba has no history of Yokes or scan caps on that Model.
> >>>>> You changed the Flyback with an OEM, I presume.
> >>>>>
> >>>>> Try disconnecting the collector of the H/O transistor. if it
> remains>>>>> on...may be your flyback is defective.
> >>>>>
> >>>>> Just a thought.
> >>>>>
> >>>>> -Ed-
> >>>>>
> >>>>>
> >>>>> "Seasons Greetings"
> >>>>>
> >>>>> Tel-Tek Electronics
> >>>>> Ontario-Canada
> >>>>>
> >>>>> teltek3@xxxxxxxxxxxx
> >>>>> teltek@xxxxxxxxx
> >>>>> ----- Original Message -----
> >>>>> From: "Rochester TV" <rochester.tv@xxxxxxxxxxx>
> >>>>> To: <repair@xxxxxxxxxxxxxxx>
> >>>>> Sent: Saturday, December 03, 2005 10:27 AM
> >>>>> Subject: [TechAssist-B] Re: Toshiba cn36g90 shutdown UPDATE
> >>>>>
> >>>>>
> >>>>>>I did that and see no burnt windings, or smell of burning.
> >>>>>> ----- Original Message -----
> >>>>>> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> >>>>>> To: <repair@xxxxxxxxxxxxxxx>
> >>>>>> Sent: Saturday, December 03, 2005 7:15 AM
> >>>>>> Subject: [TechAssist-B] Re: Toshiba cn36g90 shutdown UPDATE
> >>>>>>
> >>>>>>
> >>>>>>> Pull the yoke off and inspect the inside for burnt windings!
> >>>>>>>
> >>>>>>> ==========================
> >>>>>>> Jeff Stielau
> >>>>>>> Shoreline Electronics Repair
> >>>>>>> 344 East Main Street
> >>>>>>> Clinton,CT 06413
> >>>>>>> 860-399-1861
> >>>>>>> 860-664-3535 (fax)
> >>>>>>> jstielau@xxxxxxxx
> >>>>>>> ========================
> >>>>>>>
> >>>>>>> ----- Original Message -----
> >>>>>>> From: "Rochester TV" <rochester.tv@xxxxxxxxxxx>
> >>>>>>> To: "Tech Assist" <repair@xxxxxxxxxxxxxxx>
> >>>>>>> Sent: Friday, December 02, 2005 12:53 PM
> >>>>>>> Subject: [TechAssist-B] Toshiba cn36g90 shutdown UPDATE
> >>>>>>>
> >>>>>>>
> >>>>>>>> If I disconnect the YOKE connector the set doesn't
> shutdown. I get
> >>>>>>>> about
> >>>>>>>> 15 rings on the horizontal YOKE, Do Toshiba's have history
> of bad
> >>>>>>>> YOKES?
> >>>>>>>> Or Yoke return caps?
> >>>>>>>> TIA~Jeff
> >>>>>>>> ----- Original Message -----
> >>>>>>>> From: Rochester TV
> >>>>>>>> To: Tech Assist
> >>>>>>>> Sent: Friday, December 02, 2005 11:23 AM
> >>>>>>>> Subject: Toshiba cn36g90 shutdown HELP
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> It turns on with highvoltage for 1 second before it
> shutsdown with
> >>>>>>>> blinking power light.
> >>>>>>>> I replaced reg i/c , horz o/p , flyback , and a few caps
> in the
> >>>>>>>> p/s.
> >>>>>>>> No
> >>>>>>>> fuses blown. I took out the horz o/p transistor and put a
> bulb>>>>>>>> across
> >>>>>>>> collector and emitter of the horz o/p lands, and the set
> stay on
> >>>>>>>> with
> >>>>>>>> well
> >>>>>>>> reg B+. The P/S is working good. I thoght I had a bad
> flyback.Just>>>>>>>> installed it, and same thing. How about some
> help here, case
> >>>>>>>> history?
> >>>>>>>> Thanks,
> >>>>>>>> Jeff
> >>>>>>>> ps: Any Toshiba ASC people here that can acess website
> since they
> >>>>>>>> don't
> >>>>>>>> like to share the knowledge.
> >>>>>>>>
>
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