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Unfortunately, the Fulcomm 2303 is synthesized using crystals, not PLL, therefore modification is not possible... ...or rather: it is possible, but you will have to assemble a (noisy) DDS oscillator, completely modifying the circuit.

Thank you very much, Dan, you are always so thoughtful! Attached is the Fulcomm 2303 synthesis logic. I believe it may be useful! 73 from Adinei PY2ADN

We are the ones who thank you for your formidable and unparalleled work, Dan! You have no idea how many colleagues you have helped! Thank you so much! 73 de Adinei PY2ADN

I have Sam's CB-69 for Midland 13-893 here, already scanned. It's attached. 73, Adinei PY2ADN

The President/Uniden Washington Mk II (10010002) with the MB8719 PLL uses the classic Uniden PC-385 chassis and is described in Sam's Photofact CB-222, which is attached, as well as the manufacturer's service manual. The PC-385 chassis (simple conversion) is very popular and widely documented...

The Courier Spartan PLL 40 is described in Sam's Photofact CB-191. Unfortunately, I don't have that edition. However, it uses the Uniden PC-159 chassis with the uPD858 PLL. The Fanon Fanfarre F-350 uses THE SAME PLATFORM and is described in Sam's Photofact CB-192, which is attached. (The...

Thank you very much for this excellent work! You (and Dan) are amazing! 73, Adinei PY2ADN

Here is the Royce 1-630 mixing chart from Lou Franklin's site. Since 7.89xxx crystals are common in TX and RX, it is easy to add an external DDS VFO by switching just one of these crystals, thus achieving better channel coverage without ruining the original equipment. 73, Adinei PY2ADN

Wow! Thank you very much, Sunbulls! The Colt 485 uses the PTBM048AOX chassis. This manual will be useful for many other equipments! Thank you very much! 73, Adinei PY2ADN

Wow! Thank you very much, Dan! 73, Adinei PY2ADN Wow! Thank you very much, Dan! 73, Adinei PY2ADN

Wow! Wow! Thank you very much, Dan! 73, Adinei PY2ADN

Wow! Thank you very much, Shummy ! 73, Adinei PY2ADN

Hi Dan! Thank you very much for your quick and prompt reply! There is no rush! After all, I will only be working on one piece of equipment at a time! Even if it is one a week (or even a month), it will be fine. If possible, SAM's 136 (Hy Gain VIII 3108) Thank you very much! 73, Adinei...

Hello guys! Restoring some 70's Cybernet equipment, I need (if possible!) following SAM's Photofacts: - 136 (Hy Gain VIII 3108) - 180 (Midland 79-892 / 78-976) - 184 (Colt 1000 Black Shadow SSB) - 226 (JC Penney 6247) - 227 (Colt 485) - 258 (Colt Excalibur SSB-1200) - 259 (Lafayette...

Hi, Dan! Thank you very much for sharing the technical documentation of various CB equipment! I saved them all here! Also thanks to SunBulls, your work is amazing! Thank you very much! 73, Adinei PY2ADN (since 1978)