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IC-735 Distorted RX and TX PLL Modification - Radioaficion
http://radioaficion.com/mods/ic-735-distorted-rx-and-tx-pll-modification/
IC-735 HF ALL BAND TRANSCEIVER. GJ36783. IC-735 Distorted RX and TX PLL Modification Technical Bulletin. SYMPTOM. Distorted receive and/or transmit audio on one or more bands. Distortion may be temperature related. Single sideband audio sounds “raspy” or “rough “. Selected frequency may show instability. CAUSE
mods.dk - Articles for Icom 'IC-735'
https://www.mods.dk/index.php?ModelId=284
Distorted receive and/or transmit audio and frequency instability cure on IC-735. 12 Mar 2016. IC-735 QRP modification. 06 Apr 2014. Icom IC735 EX243 replacement using DL4YHF keyer. 31 Mar 2014. Icom IC-735 630m (472-479kHz) mods. 30 Mar 2014. CTCSS with generic tone board / switch CTCSS on and off for IC-735.
modify ic-735 for drm 1-2
http://www.dd1us.de/Downloads/modify%20ic-735%20for%20drm%201-2.pdf
Pictures of the modification: The small PCB from Sat-Schneider is mounted inside the Transceiver IC-735. I soldered its ground plane to a metal shielding to guarantee optimum ground connection. Using a short shielded cable I tapped the output of Q47 …
Icom IC-735 Wide Band Transmit Modification - YouTube
https://www.youtube.com/watch?v=nOHhCaNEpyI
This is the wide band transmit mod or MARS mod for the Icom IC-735. This mod will allow the radio to transmit anywhere it receives including 11 and 60 meters...
Icom IC-735 (IC 735 IC735) transceiver mods reviews ...
http://www.hampedia.net/icom/ic-735.php
Icom IC-735 (IC 735 IC735) Xmit Mods. Icom IC-735 (IC 735 IC735) TX Mod. Icom IC-735 (IC 735 IC735) Remote Working. Icom IC-735 (IC 735 IC735) ICOM Radio/RS232 interface which meets RS232 specifications. Icom IC-735 (IC 735 IC735) technical specifications : Icom IC-735 (IC 735 IC735) technical specifications.
IC-735 most common service - Radioaficion
https://radioaficion.com/mods/ic-735-most-common-service/
It should not vary excessively from RX standby voltage or drop below 12 volts. If an Astron power supply is being used with radio, install additional RF decoupling capacitors to its output terminals. If the IC-735 is an early production unit, it may need a factory update to prevent chirp. Call Icom Technical Support for update information.
Finally got around to modding my IC-735 : amateurradio
https://www.reddit.com/r/amateurradio/comments/6e7q1l/finally_got_around_to_modding_my_ic735/
Finally got around to modding my IC-735. OK, in the excitement of getting on at least 630 meters, and possibly 2200 meters when they open up for general amateur use, I finally did the wideband transmit mod on my Icom IC-735 this weekend. Hoping to test it, I …
Icom IC-735 ALC - Amfone
http://amfone.net/Amforum/index.php?topic=37610.0
The receivers are filled with noise and distortion, the filters are no good, the 1st IF's are wide open, the output power is low, if you want to drive an amp, get a dx60 and mod it for good audio and use a nice old receiver or an SDR. You can adjust the ALC pot in the 735, and you just have to control the power output, just like any old tube AM ...
Amateur Radio Equipment Modifications
http://www.wb4hfn.com/Modifications/IcomEquipment.htm
9600 baud modification for Packet: IC-2KL: Capacitor C8 and C9 fail due to oscillation: IC-471A: Packet operation modification: IC-475: Prevent decreased RF output power at high temperature: IC-735: PLL unlock at high temperature. Eliminate CPU noise at 29Mhz. If you can hear CPU noise at 29Mhz. Chirping in the CW mode: IC-751: Gain improvement ...
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