[TechAssist] Re: Samsung TXN2771HF dead blown HOT

Peter
The 32" version of that chassis uses KSD5703. Likely fly is bad also, 
use a sd1880 to test. Under warranty they also recommend replace the 
horz drive transformer.

Al G
Al's TV-Electronics
Pembroke Ont.
Canada

Peter oliver wrote:
> Samsung
> TXN2771HF
> service # TXN2771HFX/XXA
> MFD Oct 2003
> 
>            Set is dead. HOT is blown. It is marked J6920 with fairchild 
> logo. It has the large case like a TO3PL although with fairchild it appears 
> to be TO-264. (same case size as 2SA1302). From that it appears to be a 
> FJL6920 which is rated at 1700V 20A 200W.  Didn't get a chance to pull the 
> fly (was a short day today) but if it is arcing wouldn't show on a ring 
> test. CRT does not appear to have a HK short and B+ comes up without HOT 
> present. Any idea where I can get a low cost generic version of this 
> transistor (in the event of a non testable arc) or any known failure 
> scenerios?
> 
> Peter Oliver
> Tucson Radio TV
> 
> 
> 
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