[Repeater-Builder] MSF5000 UHF Analog Receive Adjustment

2008-07-06 Thread garyp609
My MSF5000 RX has drifted about 4khz up. Is there an easy way to adjust 
it back down to the desired RX frequency?
Thanks  73's
Gary K2ACY



Re: [Repeater-Builder] MSF5000 UHF Analog Receive Adjustment

2008-07-06 Thread Bob M.
1. If the transmit frequency is also off by 4 kHz, then you should adjust the 
14.4 MHz oscillator via the hole in the front or top of the RF tray.

2. If it's just the receiver, I would suspect the 2nd oscillator crystal, but 
it's not adjustable.

3. Could be a dirty connector between the Uniboard and interconnect board in 
the RF tray, or between the control tray and interconnect board.

4. I'd suspect your measuring equipment and try some other stuff before 
tweaking the MSF.

Bob M.
==
--- On Sun, 7/6/08, garyp609 [EMAIL PROTECTED] wrote:

 From: garyp609 [EMAIL PROTECTED]
 Subject: [Repeater-Builder] MSF5000 UHF Analog Receive Adjustment
 To: Repeater-Builder@yahoogroups.com
 Date: Sunday, July 6, 2008, 6:07 PM
 My MSF5000 RX has drifted about 4khz up. Is there an easy
 way to adjust 
 it back down to the desired RX frequency?
 Thanks  73's
 Gary K2ACY