Sapphire rx 470 nitro + Repair - Overclock.net - An Overclocking Community

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Sapphire rx 470 nitro + Repair

 
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post #1 of 2 (permalink) Old 10-19-2017, 11:13 AM - Thread Starter
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Hello,

I bought a not working sapphire rx 470 nitro + last week and trying to repair but could not find part number of choke. Unfortunately there is no information in google. If anyone knows that please write me!

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post #2 of 2 (permalink) Old 10-19-2017, 08:59 PM
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You have an oscilloscope? Put a resistor in series with it if so and look for the frequency, then use L = sq.rt3 (R) divided by 2*Pi*F, where F=frequency, R=resistance of resistor.

If you do have an oscilloscope, you just *may* possibly be able to squeak by using a multimeter set to Ohms, and then finding frequency as Ohms are resistance/time. Thats how you used to fine-tune PS2 lasers without an oscilloscope! Fun times and many burnt lasers came from it.

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