[TechAssist] Re: Zenith Model SJ2735L keeps Blowing H.O.T
- From: "Darrell Goodrich" <goodrich@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 31 Oct 2003 16:20:53 -0600
Thanks Bob, I have moved the set off of the bench area
and started on another set. I'll moved it back tonight and take voltage
readings
check the diodes and connections and post tomorrow
Thanks Again, Darrell
----- Original Message -----
From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 31, 2003 3:38 PM
Subject: [TechAssist] Re: Zenith Model SJ2735L keeps Blowing H.O.T
> Darrel,
> We need more info to help you.. like voltages, did you check
sweep
> board for loose connections like at socket pins, regulators, current draw
> running, leaky diodes...Most problems I have found on the 9-1074-01 sweep
> board were leaky diodes {unsolder one end to test} and loose
connections...
> To Philips post, the bad picture tubes started on the SL and SM line.. 1
> Year after the J line...In the J line when the tubes start going they get
> very weak and don't {normally} short...
>
> Bob,
>
> Bobs TV Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main 508-853-1482
> Fax 508-853-1480
> ----- Original Message -----
> From: "Darrell Goodrich" <goodrich@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, October 31, 2003 2:55 PM
> Subject: [TechAssist] Zenith Model SJ2735L keeps Blowing H.O.T
>
>
> > SAMS # 3002
> > This set will run for 2-3 weeks then will blow H.O.T (Nte2302)
> > replaced.
> > It has also blown the switch (replaced zenith # 121-1190).
> > Horz drive on HOT base seems normal, resoldered Horz. drive tranf.
> > my HV probe is broken I did turn down B+ to see if this would help.
> > it ran for about a week, then it will shut down then restart itself
> > two or three times then blows HOT again.
> > help most appreciated.
> > Darrell
> > Goodrich Electronics
> > goodrich@xxxxxxxxxxxxxx
> >
>
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