Dear Steven George, this is the mods.dk newsletter.
In this Edition, you will find a list of all the new & updated articles now on our site.
Created: 07 Feb 2015 Alinco DR-570 | |
Subject: X-Band rptr switch wiring omn Alinco DR-570T | |
Inherent problem with the switch wiring breaking off at the connector on the X-Band repeater switch. the pdf contains schematics and drawings with color hi-lights for the appropriate wiring and s... Click here to view the article. |
Created: 27 Mar 2015 Alinco DR-112 | |
Subject: Mods for Alinco DR-112, 119, and 1200 | |
CAP-MARS modification and simplified instructions for the DR-112T DR-119T and DR-1200T. Courtesy of Williams Radio Sales, Colfax, N.C (Silent Key) Mods-Alinco-DR-112-119-1200.pdf Click here to view the article. |
Created: 15 Feb 2015 Drake TR-5 | |
Subject: Improving the Drake TR-5 Reception Audio Quality | |
Kihwal Lee, K9SUL (ex-HL1SUL) DISCLAIMER: This document describes what I tried and was satisfied with. There is no guarantee that you will be satisfied too. There might be more sophisticated or simpl... Click here to view the article. |
Created: 02 Feb 2015 Icom IC-706 | |
Subject: IC-706 475kHz TX | |
To enable the clasic IC706 to TX at 475 kHz I removed D60, I have only D72 left The IC706 can be used as exciter for 475 kHz 630m the new amateur allocation, but needs to be set at low power and &nbs... Click here to view the article. |
Created: 08 Feb 2015 Icom IC-2KL | |
Subject: Auto Band Select Jumping on ICOM IC-2KL and AT500 | |
On the band switching board check relay RL1 for bad contacts-when the relay is on these put the m51901P band switch IC into auto mode but can go intermittent causing jumping between bands. In a... Click here to view the article. |
Created: 20 Feb 2015 Icom IC-2730 | |
Subject: Activating Cross-Band Repeat Mode on IC-2730 | |
IC-2730 Addendum:To Activate Cross-Band ModeBefore you activate cross-band, set the frequencies you will need.Note: Once this procedure has been completed, the cross-band feature will now appear in th... Click here to view the article. |
Created: 21 Feb 2015 Icom IC-7200 | |
Subject: Loudspeaker remains connected when headphones are plugged in on IC-7200 | |
Modification to allow simultaneous loudspeaker and headphone use. This prevents the speaker being muted when the headphone jack socket is used. This facility has numerous uses where the operator nee... Click here to view the article. |
Created: 07 Mar 2015 Icom IC-756PRO3 | |
Subject: Relay reed locked ICOM IC-756PRO3 | |
reed relay blocked send rele linear replacement components Q-691 and Q-691PARTS Q-691 urn9211j D-691 dan222tl MAIN UNIT IC-756P... Click here to view the article. |
Created: 10 Mar 2015 Icom IC-2730 | |
Subject: Wide band TX & Crossband modification | |
Hi, Hereby the wide band TX and crossband modification for the IC-2730 all versions. Remove bottom and see the PDF file wich diodes you have to remove. We did this mod with a EUR #02 version and re... Click here to view the article. |
Created: 24 Mar 2015 Icom IC-7850 | |
Subject: Expanding TX / RX frequency coverage IC-7850 / IC-7851 | |
Following information is regarding the modification of expanding the TX/RX frequency coverage of the IC-7850/IC-7851 Warranty void if you do this and do it with your own risk. 73 de Wisnu YB0AZ IC-... Click here to view the article. |
Created: 08 Apr 2015 Icom IC-7850 | |
Subject: Complete RX/TX mod IC-7850 & IC-7851 | |
Hi, The logic unit is on top of the radio. So you have to remove the top cover only. The logic unit is - face forward on the left side - under the big metal plate. Beside all the screws you have to l... Click here to view the article. |
Created: 16 Apr 2015 Icom IC-7200 | |
Subject: Operating cross mode on Icom IC-7200 | |
If you are listening to a net on SSB and want to contact the net using CW mode, do the following. Assuming the net is on LSB: Tune the radio to the net using VFO A and LSB mode. Switch to VFO B and ... Click here to view the article. |
Created: 25 Apr 2015 Icom IC-7850 | |
Subject: Full Transmit Expansion for the USA IC-7850/51 | |
This relates to the USA version of the IC- 7850/51, and opens up transmit from 0.1 to 60 MHz. The USA unit already has wideband receive (0.03-60 MHz). As usual, all use of this information... Click here to view the article. |
Created: 27 Apr 2015 Icom IC-2820 | |
Subject: Can't turn on the radio, no display on IC-2820 | |
There is a resistor on the Mainboard, which is high (R483, 1 R). 73, DL2RCG, Erich. Download the complete article: IC-E2820-dont-switch-on.pdf Click here to view the article. |
Created: 21 Mar 2015 Kantronics KPC-3 | |
Subject: KPC-3 (non plus) firmware v5.0, v5.1, v6.0 & v8.2 | |
This is collection of Kantronic KPC-3 (non plus) firmware. You can buy M27C512 EPROM chip from mouser or digikey. Get your EPROM programmer and start burn the new firmware. There are 4 version of t... Click here to view the article. |
Created: 02 Feb 2015 Kenwood TS-2000 | |
Subject: TS-2000 Receiver Sensitivity mystery solved | |
It seems like there has been discussion about the sensitivity of the TS-2000 for a long time. I’ve seen threads where someone asked about it and by the time the discussion is over, one or more c... Click here to view the article. |
Created: 08 Feb 2015 Kenwood TS-2000 | |
Subject: TS-2000 Weird Intermittences Mystery Solved | |
I’ve worked on a number of TS-2000s that had strange intermittences. Sometimes it wouldn’t transmit, sometimes it wouldn’t receive, and sometimes it wouldn’t change bands. ... Click here to view the article. |
Created: 20 Feb 2015 Kenwood TS-50 | |
Subject: Changing the Memory Battery on TS50 | |
Take the front panel carefully, all knogs and switches and put them in a safe place. Use a white paper and a scotch tape to hold screws into the paper making drawings if necessary. The 3 volt Lithium... Click here to view the article. |
Created: 15 Mar 2015 Kenwood TS-870 | |
Subject: Kenwood TS-870 - stuck on frequency scan | |
My TS870 was bought used, and I quickly found out that every now and then, it would get into a scan mode all on its own. Initially, it would cure itself after warm up. However, being a frequent travel... Click here to view the article. |
Created: 23 Mar 2015 Kenwood TS-700 | |
Subject: Switch CW from LSB to USB for TS-700 | |
Les Cox AA4Ine5220 So. Maudelayne Dr. Mobile Ala. 36609 Editor, Technical Department.Sir,My TS 700 A 2-Meter Multimode Tranceiver is a good,quality rig for Sideband and CW as well as FM. The onlyprob... Click here to view the article. |
Created: 13 Mar 2015 Midland/Alan MISC | |
Subject: AM/FM frequency mod on Midland 8001XT | |
an update on AM/FM frequency mod. When you have removed rv302 at front of rig you will notice that it is linked to both sides of the circuit. So make sure you have tinned your three wires well. Put s... Click here to view the article. |
Created: 08 Feb 2015 Motorola GM-338 | |
Subject: out of band cps r06.12.05 GM338 | |
find programfiles/comonfile/motorola/rdk rui41.dlledit with hex editoroffset 0x00002729 "83 E0 01" --> "83 E0 00" find MotorolaProfessional Radio CPS R06.12.05proradio.exeedit with hex editoroff... Click here to view the article. |
Created: 30 Mar 2015 Motorola XTS-2500 | |
Subject: Password Bypass on Astro CPS 20.01 (Motorola xts-2500) | |
They should be the same as CPS 20.00.00, but here they are again: Mobile: Read/Write Codeplug Password Bypass (Leave blank, click "OK" when prompted)Address: 0x009A88E1Original: 74 09Modified: 90 90... Click here to view the article. |
Created: 17 Feb 2015 Other MISC | |
Subject: Improved audio mod for JRC NRD-535D | |
Having recently purchased the 535D receiver, I was quite disappointed with the less than appealing audio. This seemed very weak and muffled, lacking any "punch" and seemingly always muffled, to the p... Click here to view the article. |
Created: 23 Feb 2015 Other MISC | |
Subject: NEC 1156H audio IC replacement on Intek SSB-701 | |
NEC 1156H replacement with TA7222AP Picture: 01.JPG This mod will fit on most old CB radio, the price of TA7222 is about 3$.Be sure to change other capacitor like:- PIN 1: 1000uF- PIN 5: 47uF- PIN 1... Click here to view the article. |
Created: 05 Mar 2015 Other MISC | |
Subject: Replacing the Military memory battery with a AA Pile on Harris 350 | |
The Harris 350 has a small 3.7V lithium memory battery under the control panel on the right side. I carefully snipped the battery out and left the stubs of the leads. As you can see from the picture ... Click here to view the article. |
Created: 17 Mar 2015 Other MISC | |
Subject: Export Mode / High Power Mode / 0's and 5's on new CRT CB radios | |
Here are the modifications for the new series CB Radio from CRT Please note for the Team Mobile Minicom close both OP1 and OP2 for 25615-30105 mode and look at the CRT One for the high power mode and... Click here to view the article. |
Created: 22 Mar 2015 Other MISC | |
Subject: Additional 40 channels on Robin SB-505 | |
This article describe how to get 40 additional channel by using II.2858 crystal. ZRobynSB505ClarifierSOME-INFO.pdf Click here to view the article. |
Created: 16 Apr 2015 Other MISC | |
Subject: Battery eliminator current increase mod on BAOFENG UV5 RA | |
The battery eliminator that is sold with the radio has a single 7808 three terminal regulator inside. This regulator will provide enough current for receive mode, and low power transmit, but will shu... Click here to view the article. |
Created: 20 Apr 2015 Other MISC | |
Subject: Raft of mods addressing AGC and audio on JRC NRD535 | |
Several improvements are possible with the NRD535 to dramatically improve the Audio and AGC performance of this fine radio. The main problems accur with the 455Kc If strip having far too much gain, th... Click here to view the article. |
Created: 21 Apr 2015 Other MISC | |
Subject: Programming Software for Anytone AT-5888UV III | |
This is the software to program the new Anytone AT-5888UV III triband mobile radio. It uses the standard AT-5888UV cable available from your Anytone dealer and may other online retail outle... Click here to view the article. |
Created: 25 Apr 2015 Other MISC | |
Subject: Power Mod Zodiac Freetalk Pro | |
Turn off radio Hold "CH" and "SET" and turn on the radio. Release the Power On button, but keep holding "CH" and "SET" until the radio beeps three times. Then press "SET" once, and a "P" with some nu... Click here to view the article. |
Created: 02 Feb 2015 Yaesu FT-102 | |
Subject: FT-102 FM/AM TX VCO unlock error | |
My old FT102 now in use for FM with XVTR 70 MHz showed intermittent TX failure in FM mode The output drops and the frequency goes uncontrolled This fault is heard when monitoring ... Click here to view the article. |
Created: 02 Feb 2015 Yaesu FT-840 | |
Subject: Enabling TX operation below 1.8 MHz on Yaesu FT-840 | |
Mod-475-kHz-02-15.pdf This pdf-document describes the modification of FT-840 enabling TX operation below 1.8 MHz. It will result in approximately 5W in the ham band 475 kHz. Click here to view the article. |
Created: 04 Feb 2015 Yaesu FTM-400 | |
Subject: FTM-400DR Australian TX / RX Modification Picture | |
For the Australian Hams that wanted to see a Picture of the Modification needed to expand the TX / RX of their Rig. I dont recomend Hams with little or no experience with surface mount resistors to de... Click here to view the article. |
Created: 25 Feb 2015 Yaesu FT-991 | |
Subject: EQ setting for great sound on FT-991 | |
On air testing for great sounding audio. PROC set to 8 On air testing for great sounding audio. PROC set to 8 Menu# SET 112 100-3000 121 100 122 10 123 3 124 700 125 ... Click here to view the article. |
Created: 04 Mar 2015 Yaesu FT-757 | |
Subject: Improving Yaesu FT-757GX and FT-757GXII Output Power Control Linearity | |
Kirk Ellis KI4RK Pikeville NC As built and designed, these rigs have a very limited range of power control. It is only controllable around 1/8 of the range. On the drive control from abou... Click here to view the article. |
Created: 09 Mar 2015 Yaesu FT-991 | |
Subject: Service Menu on FT-991 | |
To access service menu: Power up radio while holding: FAST, A/B, A=B Click here to view the article. |
Created: 11 Mar 2015 Yaesu DR-1X | |
Subject: FVS-2 Installation - Caution when installing for Yaesu DR-1X | |
See article (.pdf) for specifics and pics When installing the FVS-2 or removing the cover of the RX transceiver fromthe DR-1X repeater the (rather expensive) DSP module sticks to the cover/PCB bumper... Click here to view the article. |
Created: 16 Mar 2015 Yaesu DR-1X | |
Subject: DR-1X, Adding a back-up the battery / anomoly assoicated with install | |
Important information needed when installing the battery back-up and assoicated problem. -Mark A. Lacy W5TXR W5TXR Electronic Labs Schertz, Texas United States W5TXR-Electronic-Lab-Tech-Not... Click here to view the article. |
Created: 01 Apr 2015 Yaesu FT-1000 | |
Subject: Controlling FT-1K from Logger32 on FT-1000D | |
The FT-1000D with his second Receiver is a very good and still used Performer for hunting contacts with dx-Peditions. But to listen and transmit "up" you have to push: A>B, SPLIT, DUAL, SUB, and ... Click here to view the article. |
Created: 08 Apr 2015 Yaesu FTM-400 | |
Subject: FTM-400 country specific TX-Range expansion | |
MARS mods for FTM-400DR and FTM-400DE Max. TX frequency ranges are:VHF 137-174 MHzUHF 400-480 MHz Have fun! 73 de Peter HB9DWW Picture: 1-Jumper-Fields.jpg Picture: 2-Country-specific-Ran... Click here to view the article. |
Created: 25 Apr 2015 Yaesu FT-817 | |
Subject: FT-817 possible failure (and fix) after reverse polarity | |
This article describes a possible dammage after a reverse polarity accident and its repair. If you have the top cover open the additional reverse polarity protection modification (described also in m... Click here to view the article. |
Created: 07 May 2015 Yaesu FT-450 | |
Subject: Audio Brekthrough On Transmit on FT-450D | |
Gentlemen, You may be interested in how to resolve a problem with the Yaesu FT-450D. I was very happy with the FT-450D until suddenly when operating portable I was startled by a high level of distor... Click here to view the article. |
Created: 09 May 2015 Yaesu FT-DX3000 | |
Subject: FTDX3000 reset issues | |
My FTDX3000 suddenly experienced strange behavior of the front panel, with several buttons that stopped working, including the ones used to perform a master reset.Quite stupid of the Yaesu tech guys t... Click here to view the article. |
Created: 03 Mar 2015 Other MISC | |
Subject: hf transceiver cw ssb filter | |
From left to right those components are a 4.7 pF disc capacitor, a 100 pF disc capacitor, a hand wound 3.14 uH inductor, and a 50 pF variable capacitor. The schematic for them shows how they fit toget... Click here to view the article. |
Note, sometimes it can be difficult to see the changes since the update can be a little correct in the text, but sometime the update can be a new picture to the existing article.
Updated: 02 Feb 2015 Kenwood TS-590 | |
Subject: Spike on TX on Kenwood TS-590 | |
By LZ1JY TS590S spike Kenwood mode TS590s radio was released with a number of careless problems, one of a majors is a short , but annoying and dangerous spike of power , when goes on transmit. My ... Click here to view the article. |
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