[1000mp] Clarifier Fix?

Fri, 22 Feb 2002 07:50:25 -0500

I replaced the clarifier control in my MP - and it's NOT an optical encoder. 
It's a mechanical thingee - wiper arms moving across wires. I think the 
control is about $7 - took about two hours to replace - didn't even have any 
screws left over.

Paul  W2LE

From: Pete Smith <[email protected]>
Reply-To: [email protected]
To: [email protected]
Subject: Re: [1000mp] Clarifier Fix?
Date: Fri, 22 Feb 2002 07:18:35 -0500

At 06:53 AM 2/22/02 -0500, you wrote:
 >I suspect this has been discussed in the past, but my searches have turned
 >up nothing.
 >
 >Has Yaesu ever come clean and admitted they really screwed up the (RIT)
 >Clarifier tuning control?  Is there a fix for its non-linearity/jumpiness?
 >(FYI, the FT-1000D is butter smooth in comparison)
 >
 >During ARRL CW, on a couple of occasions, I glanced at the display and was
 >shocked to see that my offset was a full Khz off my run freq.  I've tried
 >changing the clarifier step size in the menu settings without noticeable
 >improvement in its tendency to jump.

I just talked to Andy at Yaesu about this, which happened to me last
weekend (sometimes) when I would rotate the control quickly.  He says it
most likely is a problem with the optical encoder behind the clarifier
knob, and the fix would be to replace the encoder, which in turn requires
removing the front panel.  Meself, I think I'll use the clear button.

By the way, he also said that Yaesu's policy is to work on radios that are
still under warranty in front of those that are not.  He says that the wait
time for in-warranty service is about 2 weeks.

73, Pete N4ZR

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