[TechAssist] Re: Zenith flyback --need sub info
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 16 Jul 2003 12:33:21 -0400
Tom,
You did not say if the set works or if you have voltage on collector
of HOT.... Set's can work and squeal...What is the voltage at the collector
of the horizontal output? If its around +130 V probably the transformer...
If low or none you have bad output transistor or a power supply problem...I
have a junk module {9-1119-2} with a 95-4203..BTW.. I have had no luck with
Zenith replacement transformers on the Z and A lines.. But your model is way
older so I don't know..
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Tri-County Tv" <tricountytv@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 16, 2003 11:19 AM
Subject: [TechAssist] Zenith flyback --need sub info
> Hello,
> I got this zenith color TV model SS2761S , module 9-913 ,and the
flyback had a slit in the side with stuff oozzing out , Flyback # 95-4203 ,
when you look this # up on tritronics, it shows a 95-4203-REP for 17
dollars, so I ordered it, and installed it into the module and now , when
you plug it in, the ps squeals, so I replaced all the usual ps components,
and same problem,also checked for shorts on secondary of fly and everything
looks ok, If I disconnect the collector of the HOT it stops squealing and ps
voltages return to normal, however I am not reading and B+ on any legs of
the driver transformer, I do not have the schematic and would greatly
appreciate if someone could upload one. Could this replacement fly be the
trouble? Has anyone had experience with this flyback?
> Tom Berger
> Tri-County TV
> Robbinsville
> North Carolina 28771
> (tricountytv@xxxxxxxxxxxxx)
>
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