Dear ok1vpz, 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: 07-03-2010 Alinco DX-SR8 | |
| Subject: Alinco DX-8SRT/E mod directly from the MFGR for MARS | |
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MARS/CAP modfication for Alinco DX-SR8T/E. Download the complete article in PDF. Click here to view the article. | |
| Created: 19-03-2010 Alinco DJ-100 | |
| Subject: Alinco DJ-100 Extended TX/RX | |
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Open the front and top case of the HT. Look for 1 jumper beside the microphone at the bottom of the board and cut it. Reset the microprocess... Click here to view the article. | |
| Created: 30-03-2010 Alinco DJ-G7 | |
| Subject: How to enter service/adjustment menu for DJ-G7E | |
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Switch on and press FUNC key for 2 seconds to lock keys. Enter the following key sequence: 3-1-2-3-2-1 You are now in service/adjustment mode.... Click here to view the article. | |
| Created: 31-01-2010 Heathkit GR-78 | |
| Subject: Heathkit Service Bulletins: GR-78 [1970-84] | |
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Fri, 3 Apr 1998 08:20:26 -0800 Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Next message: Gary Harmon: "Scope Kit & SB-220... Click here to view the article. | |
| Created: 08-02-2010 Heathkit SA-2040 | |
| Subject: Fix for loose roller inductor Heathkit SA-2040 | |
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On the Heathkit SA-2040, the roller inductor itself is kit built and tends to become loose over time. The cause for this is that a brass nut at the f... Click here to view the article. | |
| Created: 30-01-2010 Icom IC-V8000 | |
| Subject: No PTT from HM-133 mike used by IC-V8000 | |
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This mike is notorious for transmit problems. Electronic cleaner will sometimes help, but I put a small piece of plastic on top of the "red button" i... Click here to view the article. | |
| Created: 31-01-2010 Icom IC-R72 | |
| Subject: Preparing the IC-R72 for DRM reception | |
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I will describe here the (simple) steps needed to be able to receive DRM (Digital Radio Mondiale) with the fantastic Icom IC-R72 but first let me sta... Click here to view the article. | |
| Created: 31-01-2010 Icom IC-R72 | |
| Subject: Fixing the "Audio Drop-out" problem of the Icom IC-R72. | |
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My beloved R72 eventually developed the "audio-dropout" problem, that seems to be a very common failure of these receivers. What I will describe here ... Click here to view the article. | |
| Created: 02-02-2010 Icom IC-R71 | |
| Subject: AM distortion fix ICOM R71a | |
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Having suffered for years with tiring AM audio on my R71, decided to fix it. These are one of the best radios ever made, well worth hanging on to. Th... Click here to view the article. | |
| Created: 03-02-2010 Icom IC-746 | |
| Subject: IC-746 and IC-756 PRO(2) engine repair antenna tuner | |
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Repair of motor for the antenna tuner IC746, IC756, PRO, PRO2 To repair the engine will require tools - watch screwdriver, tweezers, hexagon 2mm. T... Click here to view the article. | |
| Created: 06-02-2010 Icom IC-R71 | |
| Subject: IC-R71A - selecting extra functions from front panel | |
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Having installed a synchronous detector board into my R71a, there was the need to select between it and the original AM detector, without defacing the... Click here to view the article. | |
| Created: 06-02-2010 Icom AH-4 | |
| Subject: Icom AH-4 / BetterRF Yaesu Tune Control / FT-950 Modification | |
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Install a small momentary button on the BetterRF Tune Control to Pin 2 & Pin 4. Change meter readout to show SWR. Change mode to AM. (or CW)... Click here to view the article. | |
| Created: 14-02-2010 Icom IC-R7100 | |
| Subject: Replacing the Wide-FM filters of the Icom IC-R7100 | |
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The Icom IC-R7100 is a great receiver; unfortunately if you are interested in FM-DX you will find the original WFM IF filters way too wide (230 kHz!).... Click here to view the article. | |
| Created: 16-02-2010 Icom IC-756 | |
| Subject: Fix receive only use heat-up | |
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FAN doesn't turn if it composes the circuit, and it never never transmits. This problem is solved by throwing the current of the bias into FAN. .... Click here to view the article. | |
| Created: 27-02-2010 Icom IC-M3EURO | |
| Subject: Extended TX / RX for the ICOM IC-M3EURO VHF Marine Handheld | |
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Extended transmit and receive modfication for the ICOm IC-M3EURO. Download the complete article in PDF. Click here to view the article. | |
| Created: 27-02-2010 Icom IC-V80 | |
| Subject: IC-V80 MARS/CAP | |
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Note: We are not responsible for any damage to the radio. The modification of the radio is at your own risk. Remove both the antenna and the batt... Click here to view the article. | |
| Created: 28-02-2010 Icom IC-756PRO3 | |
| Subject: Fan Wiring Modification for ICOM 756PRO3 | |
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In my ICOM, I carried out a power supply modification for a fan according to Karsten Brinck - OZ1DB. This modification causes the fan to spin at low ... Click here to view the article. | |
| Created: 24-03-2010 Icom IC-7200 | |
| Subject: RF stray while using RX audio from the MIC socket (pin 8) | |
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Even after the ICOM manufacturer fix (Service Bulletin, November 5, 2008 Improvement for RF feed-bakc to the headphone) I still run into trouble while... Click here to view the article. | |
| Created: 02-02-2010 Kenwood TH-D7 | |
| Subject: PG-4W programming cable diagram (TH-D7 all versions) | |
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Well, I just received a very nice Kenwood TH-D7G(II) portable VHF/UHF radio. The main problem was the programming of my favourites frequencies. I star... Click here to view the article. | |
| Created: 02-02-2010 Kenwood TS-450 | |
| Subject: TS-450S Back light dead | |
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LCD Assembly B38-0361-05. When the back-Light not light, is possible that the CCFL bulb was good, but the inverter is dead. Normally one of his two t... Click here to view the article. | |
| Created: 09-03-2010 Kenwood TH-28 | |
| Subject: Extended frequency for TH-28A | |
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Remove the 4 screws holding the radio together. With your finger in the battery bay, separate the two parts. The inside of the keypad case h... Click here to view the article. | |
| Created: 13-03-2010 MFJ MFJ-299 | |
| Subject: Making a battery-free MFJ-299 desktop microphone | |
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Background I use an MFJ-299 desktop mike with my Yaesu FT-950 transceiver (thanks a lot to the MFJ staff, their eminent service is impeccable!). The... Click here to view the article. | |
| Created: 21-02-2010 Midland/Alan 278 | |
| Subject: Modification to operation 400 Channels and other Bands on the Midland 278 | |
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Open the radio and remove screw cap. Look for the three jumper OPT1,OPT2,OPT3, see the photo. BAND OPT1 OPT2 OPT3 SW CLOSE OPEN ... Click here to view the article. | |
| Created: 24-03-2010 Midland/Alan 278 | |
| Subject: Increse the power output 10w for Midland 278 | |
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Cut the green wire for ability the power output a 10 Watt. The trimmer power RV201. See you picture below Click here to view the article. | |
| Created: 29-01-2010 Other MISC | |
| Subject: Maxon CM10 frequency modfication | |
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This is the mod and bandplan for the Maxon CM10 CB Radio. Download PDF file. Click here to view the article. | |
| Created: 04-02-2010 Other MISC | |
| Subject: Idiom Press Rotator Illuminator for CD-45 | |
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Please note that the Rotator Illuminator is designed to work with meters that have clear plastic on top and a single bulb mounted above the meter, w... Click here to view the article. | |
| Created: 06-02-2010 Other MISC | |
| Subject: Ceramic Tube Sockets and Power Relay for Collins 516-2 | |
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The Collins 516F-2 power supply has a tendency to arc across the 5R4 socket to the chassis and across the AC contacts within the power switch of the 3... Click here to view the article. | |
| Created: 09-02-2010 Other MISC | |
| Subject: Improve connectivity. Mods to all mobile equipment. | |
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-As a serviceman and maintenance engineer I have often noticed breakage- or bad connectors on heavy duty cables to mobile equipment. The problen arise... Click here to view the article. | |
| Created: 18-02-2010 Other MISC | |
| Subject: Furuno 1550, Enable Transmission on Ham Bands | |
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This is very easy to do. Open the Radio case. There is a dip switch labeled S17. It has 8 switches. S17-1 and S17-2 need to both be placed i... Click here to view the article. | |
| Created: 19-02-2010 Other MISC | |
| Subject: Speaker/Mic gain for Feidaxin FD-160A | |
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The plugged in speaker/mic gain is so high that feedback from other radios limited the use of the mic to 50 feet from nearest radio. I dropped the ga... Click here to view the article. | |
| Created: 21-02-2010 Other MISC | |
| Subject: Wouxun unlock software | |
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This software is used to open/save functionality on the following Wouxun models: KG-UVD1(A) KG-UVD1(B) KG-UVD1(C) KG-819 KG-816 KG-818 KG-669... Click here to view the article. | |
| Created: 23-02-2010 Other MISC | |
| Subject: VOX improvement for Eurofrequence/Dierking GD16Mi | |
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Found VOX working improper at my SBL-Interface GD 16 Mi. There is no schematic supplied from Eurofrequence/Dierking and after request they where not w... Click here to view the article. | |
| Created: 28-02-2010 Other MISC | |
| Subject: CV-591A/URR modfication | |
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ORIGINAL CIRCUITS MODIFIED CIRCUITS (CHANGES IN RED) The first mod involves adding an additional amplifier in the IF signal path to the CV-591... Click here to view the article. | |
| Created: 08-03-2010 Other MISC | |
| Subject: Expand bands for Luthor TL-55 | |
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In this article we will teach you to make necessary changes for our walkie talkie Luthor TL-55 expand the band. We believe that the difficulty of thi... Click here to view the article. | |
| Created: 13-03-2010 Other MISC | |
| Subject: JRC NRD-515 Modification7FAST TUNING | |
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Remove Ground Wire at LOCK-2 Solder this Ground Wire to LOCK-6 Cut Printed Cirruit Wire between IC1-1 and IC2-5 Solder Wire between IC1-7... Click here to view the article. | |
| Created: 24-03-2010 Other MISC | |
| Subject: Brake protection for your HAM II, III, IV, and tailtwister rotators. | |
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Rotator brake delay for Ham Antenna Rotors I'm not going to take credit for this. It has been around for years. You can buy one over the net. I l... Click here to view the article. | |
| Created: 24-03-2010 Other MISC | |
| Subject: Team MX8 Black Version 1 | |
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Inside the radio you see a bank of 4 dip switches With all of them in down position there is the MULTI EU NORM By changing them to: UP UP DOWN DO... Click here to view the article. | |
| Created: 15-02-2010 Radio Shack PRO-99 | |
| Subject: Discriminator Tap for Radio Shack PRO-99 Scanner | |
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Remove back cover. Find TP3 (below and to the right of the power/volume/squelch control). Solder wire, preferably with a series resistor (e.... Click here to view the article. | |
| Created: 06-03-2010 Radio Shack PRO-137 | |
| Subject: Hidden frequencies for Pro-137 | |
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Turn off scanner by pressing the off botton, then press and hold E, #5 ,car, scan and the on botton. You will now see hidden frequencies. Click here to view the article. | |
| Created: 20-03-2010 Uniden BC-796 | |
| Subject: BC-796D and BC-785D audio line out improvement | |
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The BC796D and the BC785D have a tape/record jack output on them that is independent of the volume control, the only problem is its controlled by the ... Click here to view the article. | |
| Created: 07-02-2010 Yaesu FT-2900 | |
| Subject: FT-2900R expanded transmit. | |
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Bought the FT-2900R on 2/5/2010 Modified as follows: Remove the bottom cover of the radio. Carefully unplug and remove the speaker. Rem... Click here to view the article. | |
| Created: 07-02-2010 Yaesu FT-950 | |
| Subject: Icom AT-130 / BetterRF Yaesu Tune Control / FT-950 Mod | |
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When the FT-950 is seeing more then 3:1 SWR it inhibits tuning process, and it does it fast. My workaround to this problem was to install a small b... Click here to view the article. | |
| Created: 22-03-2010 Yaesu FT-270 | |
| Subject: FT-270 frequency modification | |
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Remove the protecting seal find the 0 ohm resistance . it is located between the two connectors. Some times there will be two resistances clos... Click here to view the article. | |
| Created: 22-03-2010 Yaesu VX-270 | |
| Subject: VX-270 frequency modification | |
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Remove the protecting seal find the 0 ohm resistance . it is located between the two connectors. Some times there will be two resistances clos... Click here to view the article. | |
| Created: 23-03-2010 Yaesu VXR-9000 | |
| Subject: VXR-9000 Entering the alignment mode | |
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Press start menu Press Run write in the run box the name of the vxr 9000 software. most cases it should be CE60win.exe /d press enter. Ot... Click here to view the article. | |
| Created: 23-03-2010 Yaesu FT-817 | |
| Subject: Full TX on FT-817 (New modification sheet in PDF) | |
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All the different TX modifications on the FT-817 are somewhat confusing, I was finally able to figure it out, and attached is a modified sheet based o... Click here to view the article. | |
| Created: 28-03-2010 Yaesu FT-107 | |
| Subject: FT-107M WARC modification | |
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The unit was already open, so why not do the WARC modification right away? The FT-107M has the WARC bands (30m, 17m and 12m) on board, but transmissi... Click here to view the article. | |
| Created: 29-03-2010 Yaesu FRG-7700 | |
| Subject: Improved AGC and crossmod performance for FRG-7700 | |
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The FRG7700 was a budget receiver, with several shortcomings in performance. The front end bandpass filtering is minimal subjecting the RF amplifier Q... Click here to view the article. | |
| Created: 01-04-2010 Yaesu VX-920 | |
| Subject: VX-920, How to check firmware version on LCD | |
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Press side button 2 when power on. Next press side button 2 three times. Information will be displayed on LCD. 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: 20-02-2010 Icom IC-V8 | |
| Subject: IC-V8 MOD for expanded RX/TX range. (136 ?????? 174MHz) | |
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Remove the battery pack. Peel off the black plastic panel on the bottom. (it will re-stick in place). With the white expansion connector on ... Click here to view the article. | |
| Updated: 01-03-2010 Icom IC-746 | |
| Subject: Backlight repair for Icom IC-746 | |
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This is a Microsoft Powerpoint presentation on how to repair the backlight on your own Icom IC-746. Download the complete power point file here (2.7 M... Click here to view the article. | |
| Updated: 25-02-2010 Icom IC-7000 | |
| Subject: IC-7000 driver amplifier self-oscillation problem | |
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The IC-7000 is a very popular rig, and rightly so, since it combines many desirable features in a small, light transceiver. I was surprised when some... Click here to view the article. | |
| Updated: 22-02-2010 Kenwood TS-430 | |
| Subject: General coverage in transmission for the Kenwood TS-430S | |
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On the the bottom board of the transceicer find the RF-UNIT (X44-1510-11). Near the two plugs numbered 9 and 10 , you will see two diodes calle... Click here to view the article. | |
| Updated: 15-03-2010 Yaesu FT-50 | |
| Subject: Software mods for FT-50r. Mod any thing | |
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This is a method to do any MOD to your FT50R. The procedure is very simple and fast done: You make a template from your FT50R Chan... Click here to view the article. | |
| Updated: 12-02-2010 Yaesu MH-27 | |
| Subject: Repairing the Yaesu MH-27 Microphone to Correct Low Audio | |
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Part Needed: 1 ea. 0.1 uF cap @ at least 10 volts (C5). Suggestion: Radio Shack #272-1069, 0.1 uF Polyester Film @ 50 volts. Rob, KC2RDX, who has c... Click here to view the article. | |
| Updated: 21-03-2010 Yaesu FT-1900 | |
| Subject: Frequency modification for FT-1900 | |
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remove the 3 screws on the front panel(display) remove the display from the chasis.And take care for the flat cable. Find the 3 jumpers near... Click here to view the article. | |
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