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Author Topic: TS 820s tantalum help  (Read 1097 times)
KB1ADD
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Posts: 1




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« on: December 09, 2012, 05:55:03 PM »

Receiver has bad static and is noisy,so i hear to replace C14, C15, tantalum on PD unit.
I have found that they are 0.22uf 20% ,but what is the volts on them.
trying to find the parts.
Thanks

Jason
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KE3WD
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Posts: 5694




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« Reply #1 on: December 09, 2012, 06:03:20 PM »

What *exactly* does it say on the capacitors?  Often the voltage rating is coded in there. 

Barring that, take a look at the schematic and follow the power to that section of the board.  Select a cap that exceeds the highest DC voltage going to that section. 

One could also use their trusty DMM voltmeter set to DC and, with the rig open on the bench and turned on, take a reading across one of the caps connect points after clipping one lead or both, then govern the voltage rating according to your finding, select one that  gives you some decent headroom to handle surge. 


73
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KA4POL
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Posts: 1906




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« Reply #2 on: December 09, 2012, 10:03:31 PM »

Both Kenwood P/N CS15E1VR22M are 35 V.
How do I know? The same P/N is used in the Kenwood KT8300 tuner and there the partslist provides the voltage.
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KE3WD
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« Reply #3 on: December 10, 2012, 09:50:48 AM »

And be advised that you can always use a cap with a higher voltage rating. 

73
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