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Texas star 667V

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Texas star 667V

Post by 295 antenna » Monday, 26 March 2018, 18:39 PM

Well ive gone and done it now. I using my 667V and i forgot to put the fan on it and i suddenly lost my receive and i saw smoke so i waited a bit and opened it up and everything appears ok so i took the cover off the following day hooked it up and when i tried it i noticed smoke coming from the on button area. Any ideas? everything still looks clean and not burnt.
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Re: Texas star 667V

Post by MDYoungblood » Tuesday, 27 March 2018, 9:43 AM

You may have to get out the old magnifying glass, there is really only 4 things that might smoke in it, the transistor naturally, a capacitor or resistor and possibly a trace. I have never seen a switch (bulbs yes) in a TS go bad but there is always the first time. Look carefully for any discoloration in the components in that area.

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Re: Texas star 667V

Post by 295 antenna » Tuesday, 27 March 2018, 13:13 PM

Thanks MD i was thinking trace my self but i wanted a second opinion. on the texas star the heat sink is on the bottom so i had it upside down so now i need to look under the board.
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Re: Texas star 667V

Post by 295 antenna » Wednesday, 28 March 2018, 8:01 AM

Is this a metal oxide resistor? (75 ohm)


resistor (1).jpg
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Re: Texas star 667V

Post by MDYoungblood » Wednesday, 28 March 2018, 10:58 AM

"321, the Middle of Maryland"

23 AM "WORLD Image WIDE" 38 LSB

Strong Supporter of America's Original Homeland Security Act
The Second Amendment

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Re: Texas star 667V

Post by 295 antenna » Wednesday, 28 March 2018, 17:16 PM

lol I got that Md but what im having trouble is find one that looks like what i have. It is large round a standard pencil diameter.
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Re: Texas star 667V

Post by MDYoungblood » Wednesday, 28 March 2018, 17:25 PM

The larger they are the more wattage they can handle.

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Re: Texas star 667V

Post by 295 antenna » Wednesday, 28 March 2018, 19:11 PM

oh ok so how do you tell what the wattage is or is that a schematics thing
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Re: Texas star 667V

Post by 295 antenna » Wednesday, 28 March 2018, 19:17 PM

ok got it MD 4 watts look at the schematics ..
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