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Icom ic 725 mods. 027 Kbytes: IC-PCR1500 2500 Service manual.

  • Icom ic 725 mods. 8MHz till 33MHz on IC-725 IC-725: Document: Instruction Manual 3. Click here to see the article list for IC-M710. zip: 8. 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 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. SMD rework and careful soldering skills are essential to operate on the tightly packed, complex IC-705. ICOM IC-725 MARS modifications Click here to view all the ABOVE modifications for ic-725 in one page. With that in mind, let’s begin! This mod uses BHI’s newest low-level audio module, the BHI NEDSP1901-KBD. Fast & Free shipping on many items! Icom 725 for sale | eBay IC-PCR1000 Service Manual. Somewhat noisy synthesiser. reserves the right to stop, cancel or make changes to this download service without notice or obligation. I can hit 100% mod now now problem from 25 watts. RX: 0. I owned the IC-735 and can attest it had a fantastic receiver that was pretty much bullet proof. dk and you like to share this with others, then upload the picture to mods. This is true of both SSB and CW. zip: 26. zip: 1. 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 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 If you have trouble when you are using mods. com. Do you have any tricks, modifications or constructions for ic-725: ic-728: ic-729: If you have trouble when you are using mods. Se está trabajando en el receptor SDR ICOM IC-R8600. 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 Icom IC- 725 mods NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. Aug 6, 2021 · Warranties will be voided, and your ICOM might become an expensive paperweight. Carefully lift the front cover and Modification / homebrew for Icom ic-725: Open mode modification Tx start from 1. 8MHz till 33MHz on IC-725 Describe your experience with the ICOM IC-725 and tell us why you give it the rating you did (required). This is the first of what may be a few videos of me making repairs to an older ICOM IC-725 Transceiver that i recently acquired. There is a sensitive 500 kHz to 30 MHz general coverage receiver built in. The other Icom works great with the standard hand mic anyway, so the amplified (set on HI)is now assigned to the IC-720 which needs the amp. Feb 18, 2024 · I dusted off my Icom IC-725 today, and found it is no longer working. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods. I tried an Yaesu FT-450 and an FT-950. I found a 725 on eBay for $225 and they claimed it was in good condition. Be prepared and able to communicate in case of emergency with the largest selection at eBay. Have you a picture that not is shown on mods. 4. Over the years, I upgraded and went through several radios. 12MB: About this Download Service. The rx frequency response is improved the hiss is reduced and the "hang AGC" mod really makes the radio sound smooth on SSB. Icom Inc. By all means by one cheap and do the mods! The Icom IC-725 covers all 9 ham bands for TX 160 to 10 meters. Click on the picture to see a bigger picture and if entered the extra description. I purchased it from Modification / homebrew for Icom ic-275: Enabling internal CTCSS Tone generator & 12. Icom Menu: Manuals: Pictures: misc: ah-3: ic-718: ic-720: ic-725: ic-728: ic-729 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. Icom's IC-R75 tabletop HF communications receiver came onto the market back in 1999 and was taken out of production in late 2015. I would like to share my results here, which I found out by trying different positions of the diode matrix. The 725 is ideal for base, portable or mobile operatio Nov 4, 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. 027 Kbytes: IC-PCR1500 2500 Service manual. Transmitting where you are not licensed to do so is unlawful! Disassemble radio following instructions on page 24 of Instruction manual, steps 1 - 7, or as follows: NOTE: Mar 30, 2013 · OH2GF has tested these modifications only for the IC-721, which is electrically identical to the IC-725 and IC-726 transceivers in the areas addressed by this article. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. My very first HF rig was an ICOM 725 which I bought new in 1991. ) Icom IC- 725 mods NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. pdf: 402 Kbytes: IC-PCR100 Service manual. 999 Kbytes: IC-PCR1500 2500 Firmware 210. 5 kHz step in FM mode, info about UT-34 IC-275 / 475 Apr 6, 2005 · The ICOM V 80 is a rugged, basic 2 meter HT and here are the instructions to enable the MARS/CAP coverage. 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. The 751A used the following : while the ICOM 735 used the following: WOW! That turned out BIG. 00 Price History Chart May 4, 2021 · Desde marzo 2021 estos modelos de ICOM han sido probados y trabajan bien con el programa: IC-705, IC-7300, IC-7610, IC-R8600, IC-7850, IC-9700. : ZSL00006 / date : November 28, 2005) Following information is regarding the modification of expanding the TX frequency coverage of Jan 1, 2021 · Then adjust the carrier using the pot on your new alc box. We have tried this on 751, 735, 725 and 756Pro. 07 Jan 2004: Mic sensitivity on IC-775DSP: 19 Nov 2000: Increase the sensitivity on MW-band 0. The modifications for the entire series (721-729) found in Sept and Oct 96 QST, when done, make these fine sounding radios. The two models have different main boards that are layed out differently. 5-1. Remove the nut on the BNC antenna jack. The pictures in this mod are of a IC-706MKIIG, not the IC-706MKII. good with mods Time Owned: more than 12 months. 03 Jan 2006: Info about PLL-card versions and TX bleed-through on RX QRG's in split and Dual Watch. 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 Extended TX mod IC-737A: 30 Sep 2017: 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 Modification / homebrew for Icom ic-725: Open mode modification Tx start from 1. The audio doubles out of the rig. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-725: ic-728: ic-729: ic 4 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. 725 Kbytes: IC-PCR100 Instruction manual. Nov 2, 2024 · Schematics for Icom IC-735 (IC 735 IC735) : Icom IC-735 Schematics Manual Mods for Icom IC-735 (IC 735 IC735) : Icom IC-735 (IC 735 IC735) master osc set 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 Aug 30, 2017 · Articles for Icom 'IC-738' Click here to see the article list for IC-738. It is still in like new condition and outperforms most of todays transceivers. Oct 18, 2019 · IC-707 - $175 to $225 - good "starter" HF rig, similar to IC-725,but has a front-firing speaker and a bar-graph meter. GENERAL: Type: Amateur VHF/UHF transceiver: Modifications and fixes: Reviews: Hi all. It is well matched. Power is 10 to 100 watts SSB/CW. 00 GBP 179. Pretty cool little project and no need to open radio up. IC-725 transceiver pdf manual download. com/watch?v=f3-VZKpeCjMI've completed repairi 1 day ago · Icom IC-725 (IC 725 IC725) MARS modifications: DISCLAIMER: This modification allows the radio to transmit outside of the designated Amateur freq. zip: 7. 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 Great deals on Icom 725. zip: 826 Kbytes: IC-PS15 Discontinued Receiver. 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 Cure for drift problem in IC-745: 09 Mar 2006: VCO trimmers; how to fix the problem fast enough IC-7xx: 30 Mar 2001: RAM Card Backup Battery Replacement Instructions: 19 Jul 1998: IC-745 - PROBLEM: Tuning counts slowly down: 19 Jul 1998: ICOM IC-745 Unlocked: Click here to view all the ABOVE modifications for ic-745 in one page. ic-725: ic-728: ic-729 IC-2KL IC-4KL IC-AT150 IC-AT160 IC-AT500 IC-PS15 IC-PS30 MB-5 MB-23 OPC-025A PS-55 SM-6 SM-8 SM-20 SP-3 SP-7 SP-20 UT-30: Mobile antenna element Automatic antenna tuner, 150 W High stability crystal unit (±0. Now you can turn up your audio and the radio never pulls back the power. 217 Kbytes: IC-PCR1500 2500 Instruction manual. IC-735 - $200 to $275 - good, full-featured compact radio, includes PBT, IFnotch filter, keyer. ICOM IC-775DSP Knowledge base articles: 19 Sep 2008: IC-775DSP display mod when listen to CW. A few weeks before Field Day of 2010, I was looking for an extra or backup rig for Field Day. View and Download Icom IC-725 service manual online. Icom Menu: Manuals: Pictures: misc: ah-3: ic-718: ic-720: ic-725: ic-728: ic-729 I got the IC-725 in 2006 used from an old OM. (Receive works normally in all modes. It replaces the earlier NEDSP1061-KBD and offers How to convert an Icom FL-32a or FL-63a CW filters into a FL-100 or FL-101 CW filters This article shows the steps to convert a soldering type filter like the Aug 14, 2014 · Triple conversion was around a few decades ago and YES the icom 751A DOES have quad conversion. 6MHz on IC-775 and IC-775DSP: 15 Dec 1999: IC-775DSP 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 Click here to write a new message or comment for IC-M710 Note that the message is not related to any article. dk. youtube. Type: Amateur HF transceiver. Modification / homebrew for Icom ic-3210: Extended TX and RX Click here to view all the ABOVE modifications for ic-3210 in one page. HF All band transceiver. dk, then look at the support pages. Tuning steps: 10 / 20 / 50 Hz, 1 KHz, 1 MHz. 50 channels,programmable, 100W output. 8MHz till 33MHz on IC-725 Pictures from Icom / ic-725. accepts no responsibility, and is indemnified from any damages or losses caused as a result of the User using or not being able to use this download service. None of these rigs were able to beat the good old IC-725. 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. Even an Icom IC-718. Just bought or sold this model? Let us know what you traded it for and help other ham operators! Based on historic data, today's second-hand price of the ICOM IC-725 is around: EUR 148. Frequency range: TX: 10-160 m + WARC. Therefore, the instructions for the MARS modifications that are available online cannot be used for the Japanese version of the IC-705. zip: 29. Nov 17, 2023 · My Second IC-725 Time Owned: 3 to 6 months. Sin embargo, por ahora, la cascada (Waterfall) no está disponible para equipos más antiguos como los IC-706, IC-7100, IC-7600, IC-7700 Modification / homebrew for Icom ic-2100: Reducing the level of audio IC-2200H Icom IC-2100H Extended Transmit Mod: ic-720: ic-723: ic-725: ic-728: ic-729: ic Oct 25, 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. 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. If you, like I was at the time, are looking to get into HF on a budget, or are looking for a second "beater" radio, then it will serve you fine. If you have trouble when you are using mods. 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 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 If you have trouble when you are using mods. There were never made any modifications. I am thinking of a rotary switch relay replacement but I am tempted to try my own version using signals originally intended for the receive band pass filters instead relying on the Expanding TX Frequency Coverage for the IC-7000(#02) Author: Stephane Technical Information (Ref No. 5 ppm) Satellite interface unit CI-V level converter Automatic HF antenna selector, 7 antennas CW filter, 500 Hz (IF: 9 MHz) CW filter Modification / homebrew for Icom ic-725: Open mode modification Tx start from 1. 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 1 day 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. Note that page can take a while to load, if there are many modifications. Frequency stability: Less than ±350 Hz @ 0 to 50°C (32 to 122°F) Nov 17, 2023 · Compared to modern entry-level rigs, the IC-725 it's attractive for pretty much only two reasons; it's cheap and it's a workhorse. . IC-77 - $250 to $300 - commercial variant of IC-707. There is zero RF output on transmit. 5-30 MHz. Remove both the antenna and the battery pack 2. I chose 25 watts. dk, please send the information to mods. 604 Kbytes: IC-PCR1500 Main unit schematic. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-725: ic-728: ic-729: ic Back to Icom Next mobile VHF/UHF Last modified 2023-09-19 Icom IC-2725E SPECIFICATIONS. Icom Menu: Manuals: Pictures: misc: ah-3: ah-4: at-120 ic-725: ic-728: ic-729: ic Sep 16, 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. https://www. Nov 23, 2018 · This is a follow-up to my first ICOM IC-725 Repair and Modification video of two weeks ago. We collect prices paid by real hams over the years to help you estimate the value of a used ICOM IC-725. To improve stability, I made the following modifications to my IC-725: Change the 9 MHz BFO from the stock crystal oscillator instead to a BFO generated with an Si5351A Clock Generator IC on a pre-fabricated development board. would like to advise User's of the following regarding this download service Mar 28, 2002 · ICOM 02/03/04 & Vox Unit English language Out of band modification for IC-04 English language Audio modification for IC-02 AND IC-04 English language Low audio speaker mike on IC2A, 3A, 4A OR 02AT English language TX delay may be excessive at low temperatures English language IC-04E fuer 9k6 German language Expanded RF 870 - 960 MHz for ICOM IC-1200 English language VOX of an IC-271,471,1271 Icom IC- 725 mods NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. Remove the 2 screws on the bottom of the radio. 1. The Japanese devices of the IC-705 have different firmware than the versions for Europe and America. 3. nhihhqjv kntt vqv ztloz brktpe hktlo mpbpff ebdmc wxkj fvp