[TechAssist] Re: samsung ct6335 flyback arced through crack,new one won't work

Wilf, I have ordered flybacks from Global too. I have had one come
without the focus/screen ground return pin to solder to the board, so I
sent it back. I have the feeling a lot of their flybacks are sub-par but
I haven't really ordered enough of them for proof of that.
I have been ordering my aftermarket flybacks from Cathray instead. They
sell ASTI Magnetics replacement flybacks. Where Global wants $11.95,
Cathray may want $28.00 but you might end up with a better part. Not to
say that Cathray's flys are always gonna be perfect either.
One thing I have read about aftermarket flybacks, is that it is possible
that the replacement might be used for more than one model of OEM
flyback, so therefore the specs to replace one of the OEM's is gonna be
off a bit, like the secondary winding could generate too high an output
or something.


Gary McCartney

McCartney Electronics
7134 Fife Rd, RR 7
Guelph Ontario Canada N1H 6J4
Fax: (519)821-1530
email: number63@xxxxxxxxxxxxx




wilfred blakey wrote:
> 
> I purchased an aftermarket flyback from Global in Mississauga to replace the 
> original which has a crack in the case and arced to other components near. I 
> installed two of these units and got the same results-very low brightness and 
> no focus adjustment. In fact the focus also acts as a brightness control. 
> When I measure the G2 I get about 15 to 20 volts even when I pull the crt 
> socket. I measured the other scan derived voltages and most are close enough 
> except the 200v which is about 160v. I believe that there is a mistake in the 
> make up of the transformer but the supplier keeps telling me I have a problem 
> in the chassis.I have checked all components in the appropriate areas (abl) 
> and can't find anything wrong.It has taken about three months to get the new 
> part because of back order so the customer has been waiting for quite awhile. 
> I do not know what to do anymore so I am asking if anyone has a suggestion.
> By the way the same thing happened with an original Samsung a few years ago 
> so I thought I would try an aftermarket instead.
> Wilf Blakey/Blakey TV,Kirkland Lake,Ont
> wblakey@xxxxxxxxxxxxxxxx
> 
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-- 



Gary McCartney

McCartney Electronics
7134 Fife Rd, RR 7
Guelph Ontario Canada N1H 6J4
Fax: (519)821-1530
email: number63@xxxxxxxxxxxxx
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