[Repeater-Builder] cat300dxl to Micor
Im converting a Micor station to 2-meters and all is well with everything RF wise. TX and RX great and to spec, so on to the controller interfacing. Im following Scotts (N3XCC's) notes and all is well RX wise. Just a questain or 2 before I hook up the controller. First all cards are pulled except the station control card. TLN4635. Jumpers JU9 and JU10 are cut. Is that OK? Also the only backplane jumper installed is JU5. Is that OK? Scotts notes reference a "keyed channel element" My repeater is a single freq. How do I know if I have keyed channel elements and what are they? Thanks...Andy KC8EVM Talk is cheap. Use Yahoo! Messenger to make PC-to-Phone calls. Great rates starting at 1/min. YAHOO! GROUPS LINKS Visit your group "Repeater-Builder" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
[Repeater-Builder] project Micor
I had an earlier post post about a UHF Micor unified chassis station that I will eventually connect an outbord controller (CAT300DXL) and convert to ham use, and thanks to all who responded. Of course my game plan is to verify correct operation on the 460 mhz commercial freq before attempting a ham conversion and I am making progress but still have no (or very low) audio, and no sqeulch action whatsover at the controls on the reciever deck which is what Iwant for just reciever alignment at least. I have gone through the reciever alignment per the manual up to the dis criminator tune and everything tuned perfect so I suspect the reciever will check OK. But with no speaker audio, I cant generate into the reciever jack to finish the alignment of the front end coils. I suspect I just have some jumpers wrong so here is what I have..Backplane jumpers: IN 1,4,5 OUT 2,3,6,7,8All cards removed except the station control card and it has JU10 removed. On the backplane I added an 8 ohm speaker to pins 1+2 of J2, and jumped pin 6 to pin 14 (also on J2) and remove the line driver card.Like I said the reciever up to the discriminator tuned up nice with a moto test-set, I just have really low audio at the speaker almost like a IF or mixer amp transistor died. Any suggestions will be appreciated.Thanks Andy Thrasher KC8EVM Yahoo! Mail Use Photomail to share photos without annoying attachments. YAHOO! GROUPS LINKS Visit your group "Repeater-Builder" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
[Repeater-Builder] new to Micor
Hello AllI have a UHF Micor RT station that was a surplus 460 police repeater, single reciever, 75 watt PA. I am almost sure it was setup for DC control. Here is my generic questains. I have built quite a few repeaters but never a Micor. Of course I need to make sure the station will operate as-is before I convert it to Amateur use. I would like some suggestions for like backplane jumper placement, what stock cards to use, or just maybe some sort of logical plan of attack. For now, I do not have the tone remote, and I have the station control module, ( with all switches in defeat mode, and the 4-wire line driver cards installed. The most I am getting is weak audio that I cannot squelch from the reciever controls, but only with the line driver card installed. (I have a generic Moto speaker hooked to the pins on the backplane) If I install the squelch gate card all audio goes away, and I dont seem to get any TX from the N/C switch on the station control card throuh the wattmeter. I do have all the manuals, and I do have a good service monitor and test gear. The goal is to verify proper stock operation, then do the mods for a ham repeater. I just have zero experiance with the Micor and need a planThanks Andy T. KC8EVM Yahoo! Mail Bring photos to life! New PhotoMail makes sharing a breeze. YAHOO! GROUPS LINKS Visit your group "Repeater-Builder" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
Re: [Repeater-Builder] new to Micor
Thanks Capt. LanceThat is some great detailed info which I will use. Yes, I will be using an external controller (CAT 300DXL) , and my goal is to do the conversion on the audio squelch board per Kevins article on RBTIP. Hopefully eliminating most if not all the station cards. BTW this is a compastation unified chassis. At present I just want to see if I can verify RX and TX per specs. Being a GE guy all my repeater-ham life its fun tackling a new type of machine! Thanks and 73 Andy KC8EVMCaptainlance [EMAIL PROTECTED] wrote: The backplane needs jumpers 1,4,5 only.. remove all others. I can email you the complete conversion process that I use, or fax it to you. Here is a good start on things. I've done about 15 of them so far with success.if you plan to use a controller, then the only card you will need is the station control card, with the correct jumper arrangement. it is normal to lose rx audio with the wireline driver card out, but a jumper between pins 6 and 14 of J2, the long strip of exposed pins on the lower part of the backplanewill return your audio. The station card needs JU2 thru 9 in, and JU10 out. You will need to add an IRC510 mosfet to J5, the row of pins on the upper part of the backplane, to switch pins 19 and 20 together on transmit, getting the voltage frompin 25 of the same J5. lance N2HBA- Original Message - From: andy thrasher To: Repeater-Builder@yahoogroups.com Sent: Wednesday, March 08, 2006 6:20 PM Subject: [Repeater-Builder] new to MicorHello AllI have a UHF Micor RT station that was a surplus 460 police repeater, single reciever, 75 watt PA. I am almost sure it was setup for DC control. Here is my generic questains. I have built quite a few repeaters but never a Micor. Of course I need to make sure the station will operate as-is before I convert it to Amateur use. I would like some suggestions for like backplane jumper placement, what stock cards to use, or just maybe some sort of logical plan of attack. For now, I do not have the tone remote, and I have the station control module, ( with all switches in defeat mode, and the 4-wire line driver cards installed. The most I am getting is weak audio that I cannot squelch from the reciever controls, but only with the line driver card installed. (I have a generic Moto speaker hooked to the pins on the backplane) If I install the squelch gate card all audio goes away, and I dont seem to get any TX from the N/C switch on the station control card throuh the wattmeter. I do have all the manuals, and I do have a good service monitor and test gear. The goal is to verify proper stock operation, then do the mods for a ham repeater. I just have zero experiance with the Micor and need a planThanks Andy T. KC8EVM Yahoo! MailBring photos to life! New PhotoMail makes sharing a breeze. Yahoo! Mail Bring photos to life! New PhotoMail makes sharing a breeze. YAHOO! GROUPS LINKS Visit your group "Repeater-Builder" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
