Icom ic 728 mods. I bought this radio 2 years ago on this site.

Icom ic 728 mods. Staff member. It is superior to the Icom IC-725 that is a more basic transceiver with less of a receiver. Do you have any tricks, modifications or constructions for ic-728: ic-729 4 days ago · Icom IC-T7H (IC T7 H ICT7H) Programming interface schematics for Icom: Programming software for Icom IC-T7H (IC T7 H ICT7H) : PDF User Manual for Icom IC-T7H (IC T7 H ICT7H) : Icom IC-T7H Instruction Manual PDF Service Manual with schematics for Icom IC-T7H (IC T7 H ICT7H) : Mods for Icom IC-T7H (IC T7 H ICT7H) : Modification / homebrew for Icom ic-r100: Modifying the Icom IC-R100 for SSB if there are many modifications. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-728: ic-729: ic-730: ic The Icom IC-728 covers all 9 ham bands for TX 160 to 10 meters. The audio mods don't do much good without the agc rx mods. The two models have different main boards that are layed out differently. Note that page can take a while to load, if there are many modifications. The IC-728 has a triple conversion receiver providing passband tuning. I bought this radio 2 years ago on this site. 12 Apr 2006 Modification / homebrew for Icom ic-275: Enabling internal CTCSS Tone generator & 12. 5-30 MHz. I'm selling to help with the purchase of some new gear. 6MHz on IC-775 and IC-775DSP: 15 Dec 1999: IC-775DSP . Output is 10 to 100 watts SSB/CW or 10 to 40 watts AM. ic-728: ic-729: ic-730: ic-735: ic-736: ic-737: ic 2 days ago · PDF Adjusments Procedures Manual with schematics for Icom IC-728 (IC 728 IC728) : Schematics for Icom IC-728 (IC 728 IC728) : Mods for Icom IC-728 (IC 728 IC728) : Icom IC-728 (IC 728 IC728) replacing front panel lamp(s) Icom IC-728 (IC 728 IC728) General coverage TX Icom IC-728 (IC 728 IC728) technical specifications : Icom IC-728 (IC 728 ICOM IC-728 and Mic. I have been working on this for a month and it has been driving me batty, well more so than normal. The ALC will limit the percent of modulation to well less than 100 percent and also induce Nov 2, 2024 · PDF Adjusments Procedures Manual with schematics for Icom IC-725 (IC 725 IC725) : Schematics for Icom IC-725 (IC 725 IC725) : Mods for Icom Icom IC-725 (IC 725 IC725) : Icom IC-725 (IC 725 IC725) Enable preamp below 1. Oct 10, 2024 · Icom IC-728 (IC 728 IC728) replacing front panel lamp(s) HOW-TO reach the front panel of IC-728 for changing a burnt display lamp. I use this with my Icom 7300 to eliminate annoying hiss from the speaker: 29 Jul 2019: F5LOL 30 to 50MHz aliasing improvementc on IC-7300: 20 May 2018: Antenna tuner range mod for Icom IC-7300: 26 Mar 2018: ATU modification for Icom IC-7300: 18 Aug 2017: HRD SETUP FOR ICOM 7300: 21 Jul 2017: Increase level mod for original hand microphopne of Modification / homebrew for Icom ic-728: IC-728 replacing front panel lamp(s) Search help: Click here to view all the ABOVE modifications for ic-728 in one page. Apr 12, 2019 · Icom IC-9700 VHF Bias problem: 10 Mar 2021: 10MHz GPSDO built-in for ICOM IC-9700: 10 Dec 2020: Make AF output available on MIC socket on IC-9700: 11 Oct 2019: Replacement of 144MHz Antenna Socket with N-Type on IC-9700: 29 Aug 2019: IC-9700 open frequency: 10 Jun 2019: Separate RX input for 2m on IC-9700: 27 Apr 2019 Click here to write a new message or comment for IC-E2820 Note that the message is not related to any article. Click here to see the article list for IC-3230. 5 mhz Icom IC-725 (IC 725 IC725) Enable noise blanker in all modes Icom IC-725 (IC 725 IC725) post 1998 Version Icom IC-725 (IC VCO trimmers; how to fix the problem fast enough IC-7xx: 01 Jan 2005: ICOM IC-740 FM-Unit EX242 zum (selber) nachbauen: 21 May 2003: IC-740 enable TX on WARC bands: 19 Jul 1998: Display/distortion problems ICOM IC-740 HF rig: Click here to view all the ABOVE modifications for ic-740 in one page. There is a triple conversion 500 kHz to 30 MHz general coverage receiver built in. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-728: ic-729: ic-730: ic Articles for Icom 'IC-707' Click here to see the article list for IC-707. Modification / homebrew for Icom ic-3210: Extended TX and RX Search help: if there are many modifications. 72 MHz crystal (CR-21 on the "PLL Unit" PCB) and replace it with an Icom CR-64. ic-728: ic-729: ic-730: ic ICOM IC-781 PLL / DDS board "A" FIX: 02 Mar 2009: Stinky IC-781: 10 Aug 2006: Icom IC-781 mars/cap/60m transmit: 12 Jun 2005: Some technical and maintenance issues regarding the IC-781 & IC-R9000: 19 Mar 2000: Icom IC-781 filter modification: 26 Jun 1999: Reduce the internal heat by the speaker: 05 Mar 1999: 781 ALC Circuit problem: 19 Jul 1998 ICOM IC-775DSP Knowledge base articles: 19 Sep 2008: IC-775DSP display mod when listen to CW. Apr 6, 2005 9,391 9,693 593 Nor The pictures in this mod are of a IC-706MKIIG, not the IC-706MKII. 1 day ago · PDF Adjusments Procedures Manual with schematics for Icom IC-728 (IC 728 IC728) : Schematics for Icom IC-728 (IC 728 IC728) : Mods for Icom IC-728 (IC 728 IC728) : Icom IC-728 (IC 728 IC728) replacing front panel lamp(s) Icom IC-728 (IC 728 IC728) General coverage TX Icom IC-728 (IC 728 IC728) technical specifications : Icom IC-728 (IC 728 The IC-729 is a IC-728 with 6 meters and the AM-FM module standard. AM Filter replacement for IC-703: 12 Feb 2005: Icom IC-703 TX key update: 12 Feb 2005: Extended functions for IC-703: 19 Dec 2004: Improvement of the PA driver for the IC-703: 25 Jul 2004: Icom IC-703 Driver Bias Adjustment: 31 Aug 2003: IC-703 '60-metre transmit mod,' plus full transmit HF/6 metre: Click here to view all the ABOVE Icom IC-T10 extended TX modification. 2. Recently one of the three display lamps of my IC-728 burnt. Click here to write a new message or comment for IC-728 Note that the message is not related to any article. Frequency range: TX: 10-160 m + WARC. 5 mhz Icom IC-725 (IC 725 IC725) Enable noise blanker in all modes Icom IC-725 (IC 725 IC725) post 1998 Version Icom IC-725 (IC Slow AGC mod (factory too fast) on IC-737: 30 Sep 2017: ICOM IC-737 audio receive fidelity quality mod: 12 Apr 2006: Convert FL-32A, FL63A into FL-100, FL-101 sockets: 23 Aug 1998: Icom IC-737 general coverange in transmission: 23 Aug 1998: CW Filter Switching Modification for the Icom 737: Click here to view all the ABOVE modifications for ic Mar 30, 2013 · (The IC-728’s transmit circuitry differs enough from the IC-725 that some reengineering may be necessary to make the RF speech clipping modification work in the IC-728. Open up the radio and locate the pll board, cut diode D5. for changing a burnt display lamp. On my Icom IC-7300 I removed both D422 and D416 as directed but no joy. ic-728: ic-729: ic-730: ic-735: ic-736: ic-737 Aug 14, 2014 · Triple conversion was around a few decades ago and YES the icom 751A DOES have quad conversion. Click here to see the article list for IC-M710. dk. Connectivity Options of the Icom IC 728. If you have trouble when you are using mods. Jul 5, 2024 · Overall, the user interface and controls of the Icom IC 728 are well-designed and user-friendly, making it easy for both beginners and experienced operators to navigate and operate the radio with ease. dk, please send the information to mods. One downfall is that used IC-729s are expensive on the used market. The 751A used the following : while the ICOM 735 used the following: WOW! That turned out BIG. And, the IC-728 is easily modified for the newer 60M band. It performs well and can be compared to other mid-priced transceivers such as the Kenwood TS-140 and Yaesu FT-840. pdf If you have some stuff that not is listed here you can donate this by contact mods. IC-725 Modifications to the 30. zip: Unfortunately they did the WRONG MOD end their tra Search help: Support (FAQ) Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120: ic-728: ic-729: ic-730 If you have trouble when you are using mods. Remember to remove speaker/Mic cover as well. Ed . Click here to see the article list for IC-28. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods. Icom-IC-T10-EX-TX. 2 days ago · Icom IC-728 (IC 728 IC728) replacing front panel lamp (s) HOW-TO reach the front panel of IC-728. This forum message list include all message for that is related to IC-728, this include message that also is related to articles. Apr 1, 2024 · I have performed the MARS Mod to some of my radios and still cannot for the life of me figure out what I did wrong. Click here to see the article list for IC-728. I've checked into the IC-728/IC-729: Document: Instruction Manual 5. Do you have any tricks, modifications or constructions for ic-728: ic-729: ic-730: Click here to write a new message or comment for IC-28 Note that the message is not related to any article. Remove the stock 30. I owned the IC-735 and can attest it had a fantastic receiver that was pretty much bullet proof. The receiver is reasonably selective, very sensitive and 'hot' on 6 meters. Apr 6, 2005 · ICOM IC-208H Extended RX-TX mod. Do you have any tricks, modifications or constructions for ic-728: ic-729: ic-730: Uploaded: Description: 31 Jan 2010: Preparing the IC-R72 for DRM reception: 31 Jan 2010: Fixing the "Audio Drop-out" problem of the Icom IC-R72. IC-728 Service Manual. 5-1. 72 MHz Oscillator circuit are: 1. I've used it in the shack as a back up and I've taken it on a couple POTA activations, everything seems to work as it should. This mod was tested on a USA model unit. The PLL (DDS) tuning is very nice, tunes like a high-end product. Icom Inc. Frequency range: TX: TX: 10-160 m + WARC. . The Icom IC 728 offers a range of connectivity options to enhance its functionality and versatility. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-728: ic-729: ic-730: ic Oct 8, 2020 · Using a desk mic with the IC-705: 27 Jun 2021: Modification to get the +V in TX on the antenna connector on IC-705: 22 Jan 2021: ICOM IC-705 dynamic desk microphone: 10 Jan 2021: ICOM IC-705: audio mod for HM-243 handmike: 15 Oct 2020: TX Mod ICOM IC-705: 08 Oct 2020: 5Mhz mod for ICOM IC-705: 08 Oct 2020: Jack 2,5 mm to round8 mic adapter in Mar 7, 2022 · IC-735 power/squelch switch mod: 15 Jan 2006: IC-735 PLL unlock: 29 Aug 2003: IC-735 master osc set: 19 Jul 1998: ICOM Radio/RS232 interface which meets RS232 specifications: 19 Jul 1998: IC-735 Remote Working: 19 Jul 1998: TX Mod For ICOM 735: 19 Jul 1998: Xmit Mods for IC-735: Click here to view all the ABOVE modifications for ic-735 in one page. However, the Omni V & IC-730 does not have general coverage receive like the IC-728. A critical point is the internal ALC. Modification / homebrew for Icom ic-3220: Mini repeater function, previous step for IC-3220 A/E/H if there are many modifications. If you have some stuff that not is listed here you can donate this by contact mods. Click here to see the article list for IC-E2820. Click here for the Icom IC 240 Mods Page Icom IC-735 To unlock the transmitter cut diodes D-33 and D-34 (they are standing on end near the microprocessor section toward the rear top of the radio. Click here Click here to write a new message or comment for IC-3230 Note that the message is not related to any article. Click here to see the article list for IC-7400. Tuning steps: 10 / 20 / 50 Hz, 1 KHz, 1 MHz. (For other information see my IC-728 review). Change the DC power to the CR-64's heater pin: Lift the leg of L33 closest to C132 (47uF electrolytic). 3 days ago · Icom IC-728 (IC 728 IC728) General coverage TX. IC-7200 – Pin diode failure causing very big loss in RX sensitivity: 24 Mar 2010: RF stray while using RX audio from the MIC socket (pin 8) 05 Dec 2009: USB port in Icom IC-7200: 01 Mar 2009: Using headsets on an IC-7200: 22 Feb 2009: Icom IC-7200 DG2IAQ-Mods: 17 Nov 2008: RX and TX mod for Icom IC-7200: 23 Jul 2008: IC-7200 Band Voltage HOW-TO reach the front panel of IC-728 for changing a burnt display lamp by Paolo Cravero IK1ZYW (ik1zyw at qsl dot net) 8/Jul/2001. IC-761 Mods AM Modification: 19 Jul 1998: Wider SSB band on the IC-761: 19 Jul 1998: IC-761 activate tuner when in general coverage mod: 19 Jul 1998: IC-761 Out of band: Click here to view all the ABOVE modifications for ic-761 in one page. The board should be located on the left hand side at the rear. SPECIFICATIONS. would like to advise User's of the following regarding this download Modification / homebrew for Icom ic-729: Icom Tone Encoder Unit UT-30 gets switchable CTCSS frequency Click here to view all the ABOVE modifications for ic-729 in 2 days ago · PDF User Manual for Icom IC-718 (IC 718 IC718) : Icom IC-718 Instruction Manual PDF Adjusments Procedures Manual with schematics for Icom IC-718 (IC 718 IC718) : Schematics for Icom IC-718 (IC 718 IC718) : Mods for Icom IC-718 (IC 718 IC718) : Icom IC-718 (IC 718 IC718) Tune controller mod Icom IC-718 (IC 718 IC718) D48 to D55 Role informations Modification / homebrew for Icom ic-2100: Reducing the level of audio IC-2200H Icom IC-2100H Extended Transmit Mod: ic-720: ic-725: ic-728: ic-729: ic-730: ic Click here to write a new message or comment for IC-M710 Note that the message is not related to any article. Do you have any tricks, modifications or constructions for ic-728: ic-729: ic-730: Compared to other vintage gear such as the Ten Tec OMNI V or the Icom IC-730, both have a quieter receiver thus will outperform the IC-728 during weak signal conditions. Thread starter AudioShockwav; Start date May 23, 2010; AudioShockwav Extraterrestrial. Icom IC-728 (IC 728 IC728) technical specifications : Icom IC-728 (IC 728 IC728) technical specifications. By one cheap do ALL the mods and have a radio which sounds the way we expect ICOMs to sound. The MKII mars mod is the diodes just above the CP3 point and to the right of the J25 indicator where the two diodes are placed vertically, it is the one on the left that needs to be removed. 68MB: About this Download Service. ) The modifications presented are not ICOM-approved and may void your transceiver’s warranty. RX: 0. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-728: ic-729: ic-730: ic Adding CTCSS encode to IC-490 (may also work for IC-290) 08 Jul 2014: Expanded RF mod, keyboard mod for ICOM IC-290: 31 Mar 2014: Memory Backup - replacement for IC-BU1 for IC-290, 490 and 25A/E: 09 May 2004: Enhance SSB audio quality of your IC-290: 07 May 2004: IC-290H/D Variable RF output power: 30 Apr 2004: IC-290 volume control. dk, then look at the support pages. Inexpensive TCXO for IC-271H and similar radios: 26 Oct 2019: RF-YGR UNIT correction on IC-271: 19 Sep 2017: Repair problem no power output only in FM mode ic-271A/E/H: 31 Aug 2017: Ssb do not work,lsb/usb in display lights very veak on IC-271: 02 May 2008: Frontend MOD for Icom IC-271: 28 Jun 2006: ACC1 connector 8pins to IC -271/IC-1271/ IC 5 days ago · PDF Adjusments Procedures Manual with schematics for Icom IC-725 (IC 725 IC725) : Schematics for Icom IC-725 (IC 725 IC725) : Mods for Icom Icom IC-725 (IC 725 IC725) : Icom IC-725 (IC 725 IC725) Enable preamp below 1. Frequency stability: Less than ±350 Hz @ 0 to 50°C (32 to 122°F) Mode: TX: SSB / CW (AM / FM with UI-7 option) RX: AM / SSB / CW (FM with UI-7 option) Channels / memory management: 22 regular. Recently one of the th Modifications for the Icom IC-718 Transceiver by Chris Jackson, W2JBL The IC-718 transceiver is Icomʼs entry level rig. They apply, BTW ,to the 725 726 728 and 729. 07 Jan 2004: Mic sensitivity on IC-775DSP: 19 Nov 2000: Increase the sensitivity on MW-band 0. I have a IC730, the 728, an FT102 a C line and a ICOM R70 I now use the 728 to listen all the time. 03 Jan 2006: Info about PLL-card versions and TX bleed-through on RX QRG's in split and Dual Watch. Articles for Icom 'IC-208' Click here to see the article list for IC-208. 72 MHz Oscillator Circuit: Hardware modifications to the IC-725's 30. zip: ICOM IC-7000 Service manual. Reset the cpu by pressing function and the mw button together while turning the radio off and on again. GENERAL. Nov 1, 2024 · Icom IC-728 (IC 728 IC728) replacing front panel lamp(s) HOW-TO reach the front panel of IC-728 for changing a burnt display lamp. 5 kHz step in FM mode, info about UT-34 IC-275 / 475 Click here to write a new message or comment for IC-7400 Note that the message is not related to any article. Oct 22, 2024 · Icom IC-728 (IC 728 IC728) General coverage TX: Open up the radio and locate the pll board, cut diode D5. zip: Aug 30, 2017 · Articles for Icom 'IC-738' Click here to see the article list for IC-738. Click here to view all the ABOVE modifications for ic-728 in one page. Itʼs very capable of high quality AM with just a few minor adjustments and modifications. Type: Amateur HF transceiver. Jan 29, 2020 · Articles for Icom 'IC-V86' Uploaded: Click here to see the article list for IC-V86. thqph kkew ujir jkm bnddt ujxla vrvkkj mgypny xbjhqk roeyxb