[TechAssist] Re: Zenith B25A11ZF Chassis 9-2108 Flat line then off. Won't start.
- From: "Tony S" <tcselectronics@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 8 Apr 2005 10:50:42 -0500
Hi warren,
those are more than likely the Chinese knock offs that smoke at powerup, I
ran into a lot of them about 2 years ago. check for a white dot after the
STR, if there they are original.
Tony Saracco
TCS ELECTRONICS
406 Andra Ct.
Gilberts, IL 60136
tcselectronics@xxxxxxxxx
----- Original Message -----
From: "jorge miret" <jorge_miret@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, April 08, 2005 10:16 AM
Subject: [TechAssist] Re: Zenith B25A11ZF Chassis 9-2108 Flat line then off.
Won't start.
> Hello Warren:
> I just verified with a STR53041 and if checked on diode scale with (+) on
> pin#2 and (-) on pin# 3, I got reading of a regular diode and if leads are
> reversed I got infinite or very hi resistance.I hope this help you.
> Jorge.
> Warren <warrenca@xxxxxxxxx> wrote:
> What! is my question about STR53041 a stupid question???
> I don't know if this short between 2 & 3 means difinitively that it's bad!
>
> Warren
>
> Warren wrote:
>
>>Hi All
>>
>>Just got started on this one. Wondering about the STR53041 if it's
>>good or not?
>>I have some saved STR53041's but I noticed that some of them have pins
>>2-3 with a very low ohms.
>>I would like to hear from others if this indicates a bad chip.!
>>I need to throw these out if they are bad.
>>
>>BTW the customer said that the set flashed then went to a flat line ,
>>then went out, and wouldn't go again.
>>At this early point I've only noticed one shorted transistor nearby the
>>regulator. Number escapes me right now at home.
>>
>>TIA
>>Warren Campbell
>>Campbell's TV & Appliances
>>Cannington ONT
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> Jorge Miret-Puerto Rico
> J.C.Electronic Repairs
> Tel:787-761-0920
> jorge_miret@xxxxxxxxx
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