So you operate where they originally did. Not a problem. I have.______________________________________________________________73Mark D.WW2RDO“In matters of style, float with the current. In matters of Principle, stand like a rock. “. - Thomas JeffersonSent from my iPhoneMy name is Chris and I also padded down my BC-654 to operate in the CW band of 80 meters. IIRC they otherwise didn’t tune below about 3800 kc.73 de Chris, AJ1G Stonington CT______________________________________________________________Sent from my iPhoneOn Jan 17, 2025, at 21:50, Ray Fantini via MRCA <mrca@mailman.qth.net> wrote:I am an Idiot! You don’t take apart the front panel; you just slide the chassis over after releasing the bottom and one side screw!
As far as the chart not working the owner of the radio wants something that covers the entire eighty meter band so it's not my call, he intends to use the radio on the air, and I am all for that sort of attitude.
Ray F/KA3EKH
From: MARK DORNEY <mkdorney@aol.com>
Sent: Friday, January 17, 2025 8:07 PM
To: J Mcvey <ac2eu@yahoo.com>
Cc: MMRCG@groups.io <MMRCG@groups.io>; mrca@mailman.qth.net <mrca@mailman.qth.net>; Ray Fantini <RAFANTINI@salisbury.edu>
Subject: Re: [MRCA] [MMRCG] BC-654 project______________________________________________________________CAUTION: This email originated from outside of Salisbury University. Please exercise caution when clicking links or opening attachments from external sources.
You do know that if you modify the frequency range, the original tuning charts attached to the lid of the radio will be useless.
73Mark D.WW2RDO
“In matters of style, float with the current. In matters of Principle, stand like a rock. “. - Thomas Jefferson
Sent from my iPhoneIf memory serves me, All you have to do is disconnect the the lug harness on the side , take out a couple of screws, and I think there was a hinge.I don't recall having to unsolder anything to put it in service mode.
______________________________________________________________On Friday, January 17, 2025 at 03:40:39 PM EST, Ray Fantini via groups.io <rafantini=salisbury.edu@groups.io> wrote:
Have finally gotten down to working on the two BC-654 transmitter – Receivers that are in the shop. Going to go thru and replace all the capacitors and also modify the range with the excellent K4CHE web page as a guide. Couple questions have come up.
First,
It appears to me that you have to unsolder the dial light stuff and do a lot of work to remove the receiver chaise in order to have access to the guts? Am I missing something here? Is there an easy method to get to the underside of the receiver?
Second,
Assuming that I will be operating the receiver for a while outside the enclosure, without the transmitter attached. The manual shows some four wafer switch thing along with seeing the board that Mr. Smith built up for doing this but I looked at the stuff that’s out there on line, lot of what I am seeing was not to intuitive, so I drew up this design for a box that will allow you to run the receiver outside of the frame. Please study the attached drawing and feel free to comment.
The plan is to start building this box maybe as soon as this weekend if I can get this access to the underside thing worked out first.
Ray F/KA3EKH
Manual gain control
Bias
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