| Back to Home |
Technical Information on![]() Land Mobile Radio Equipment Compiled by Mike Morris WA6ILQ from donations from several folks Click here or on the logo above for the main Kenwood web site |
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| USA West Coast |
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USA East Coast |
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Canada | ||
| Kenwood Communications Corp. 2201 East Dominguez Street PO Box 22745 Long Beach, CA 90801-5745 USA Customer support: 310-639-4200 Repair locations and parts: 800-KENWOOD (or) 800-536-9663 Fax: 310-537-8235 http://www.kenwoodusa.com |
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Kenwood Corporate Offices 3975 Johns Creek Court Suite 300 Suwanee, GA 30024 Main: (678) 474-4700 Fax: (678) 474-4730 http://www.kenwood.net |
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Kenwood Electronics Canada Inc. 6070 Kestrel Road Mississauga, Ontario, Canada L5T1S8 |
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Kenwood Service Center West 13030 Alondra Blvd., Suite 104 Cerritos, CA 90703-2257 Repairs Only: (562) 483-874 Fax: (562) 483-8749 |
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Kenwood Service Center East 829 Lynnhaven Pkwy., Suite 130 Virginia Beach, VA 23452 Repairs Only: (757) 340-1702 Fax: (757) 340-6809 | ||||
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Pacific Coast Parts Orders: (800) 262-1312 www.pacparts.com |
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Kenwood Amateur Parts (Also known as East Coast Transistor) Orders: (800) 637-0388 www.kenwoodparts.com |
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| Note that the contents of this
page, like most here at www.repeater-builder.com, are totally dependent
on donations of information. If you have a hint, or a useful trick, please consider wiring it up, writing it up and sending it in. |
| Information and Modifications | |
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General Information and Yahoo Groups |
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Repairing the Toshiba S-AV17 RF power hybrid Used in the TM-241, TM-741 2m module, and others... by Kevin Custer W3KKC |
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How to mod a Kenwood TK-805 for UHF link or remote base operation 349KB PDF by Dwayne at LDG Electronics |
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PS-30 Schematic
(with repair notes) 904KB courtesy A. Nony Mous Courtesy of Greg Beat W9GB we have the full PS-30 Operators Manual. |
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A library of 16 different microphone, speaker-mic, accessory plug, etc. Kenwood connector diagrams 202 KB PDF |
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A drawing of the 6-pin RJ-style microphone connector on the TK-705 / TK-805, the TK-760 / TK-860 and several other models. 4KB GIF |
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Some notes on the TR-7930 and TR-7950 By
Mike Morris WA6ILQ Rock solid radios in their day... A couple of friends had these, and used them until just a few years ago - they had com-Spec external TD-32 PL encoder boxes strapped to their radios. |
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Adding a CTCSS encoder to the TR-8300. 19KB PDF Click here for a photo. See below for manuals. Additional information about this can be found here. |
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The Kenwood PG-4S programming cable is used to program a Kenwood TM-V7A or a TM-G707A. You can make your own using info from the KA7O web site page on the PG4S. Supposedly you can use an inexpensive KPG-4 (6 pin) or KPG-46 (8 pin) cable from eBay and change the plug (the plug and cable from a dead PS/2 mouse works just fine), or make an adapter from a 6-pin or 8-pin jack and the plug end of a PS/2 style PC keyboard or mouse extension cord. Click here for additional information from Kenwood. |
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Modifying the Kenwood "packet" connector |
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Modifying Kenwood TK860 TK862 TK760 TK762 Radios for Link Use by Kyle Yoksh K0KN |
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Manuals The publications group at Kenwood seems to have decided that a "dual band" radio is dual simultaneous receive, and a "twin band" or "two band" radio is one at a time. |
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| Kenwood seems to use the convention of model numbers starting with TK for land mobile (commercial 2-way) LMR, TM for amateur radio mobiles, TH for amateur radio portables and TS for amateur radio station equipment. | |
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TH-F6A and TH-F7E
Service Manual 4.5 MB PDF This is the basic manual, the next file is the supplement. The F6A is a 144 Mhz / 220 MHz / 440MHz FM TRIBAND handheld, the F7E is the European 144 MHz / 430MHz FM DUAL BAND handheld The difference between the two radios is one diode. See KB2LJJ's page on the radio. Click here to read about a design flaw with this radio. |
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TH-F6A and
TH-F7E Service Manual Supplement 6.2 MB PDF This is the supplement, the previous file is the basic manual. "This supplement is aimed to revise and update the following PCB layout, J72-0778-09, J72-0778-29 and J72-0778-39." |
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TH-78 Owners/Instruction manual 294KB PDF |
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TH-G71A and TH-G71E Instruction Manual 2.58 MB PDF |
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TK-190 Sales Brochure 980kB PDF |
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TK-190 Instruction Manual 180kB PDF Roger WA1NVC reports "I recently bought a TK-190 and put it on the 6m ham band. This series uses the same battery, speaker-mic, programming cable, etc as the TK-380 and TK-481. The antenna connector on the radio is an SMA male." |
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TK-190 Service Manual 3.8MB PDF Roger WA1NVC reports "The Windows based Kenwood KPG-59D software and the Kenwood KPG-36A serial programming cable can be purchased from www.kenwoodparts.com or a local Kenwood dealer. The software will program the radio from 29.7 to 50.0 MHz. To put the radio on 10m or 6m, depending on model, you will need to hex edit the code plug. Once the data is edited, you can view it and program the radio but you cannot enter or change a frequency to one above 50.0 or below 29.7." |
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KRA-21 Field Tunable Antenna Cutting Info for TK-190 Series Low Band Portable Transceivers 1.2MB PDF |
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TM-241-441-541 Owners
manual (horizontal - oriented towards
reading on the screen) 2.26MB PDF The same manual except vertically oriented (for printing) 2.2MB PDF |
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TM-241A/TM-241E Service manual 5.74 MB PDF |
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TM-261, TM-261EJ and TM-461 Instruction manual 2.9mb PDF |
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TM-271 Adjustments section of the service manual This is a really poor scan. It's also contained in the service manual below. |
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TM-271A Service manual 36.7MB PDF |
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Kenwood TK-290 Service Manual (1998 version) 856 KB PDF The TK-290 is a 160 channel VHF handheld. It is a 7.2v rated radio! Do not use a mobile power cord from a 12v source without a voltage regulator in the cord.... This is the voice of experience, I watched a friend smoke his radio... |
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Kenwood TK-290 Service Manual (1998 version) 3 MB PDF |
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TM-721 Service manual 15.9MB PDF |
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TM-733A/E Instruction manual 13.8MB PDF |
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TM-641A / TM-741A / TM-741E
Instruction manual 6.5 MB PDF These radios can draw as much as 12 amps on transmit, and the DC wire pigtail hanging from the back of the radio adn th epower cord that was shipped with it was undersized. The transmitter is also sensitive to low voltage, a voltage drop of less than a volt can cost you 25% of the transmit output power. Measure the voltage at the radio while transmitting (the simple way is to temporarily push a couple of sewing pins through the insulation of the power cable right by the strain relief). If it does not remain above 13vDC you will have to check the voltage at the power source (i.e. at the vehicle battery). If that is fine then you will need to change the wiring to an larger size (lower resistance) wire. Been there twice, done that twice, got the t-shirt (but not the coffee cup). I used the heaviest red / black zip cord I could find (#12, but I've seen #10 since) from the battery to the radio with a 15 amp mini-ATO type automotive fuse at the battery end. |
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TM-641 / TM-741 Service manual 15.4MB PDF |
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A tip on the 641 / 741 / 941 / 642 / 742 / 942
series from Rian AG4ME: If you have no audio output, and the light dimmer does not work then look at resistor R121 and maybe transistor Q102 in the control head becoming un-soldered. |
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Kenwood TK-790 Service Manual (2001 version) 6.3 MB PDF This is a 160 channel VHF mobile radio good for 4 to 45 watts (TK-790) or 45 to 110w (TK-790H). Noted as follows:This service manual applies to products with 30300001 or subsequent serial numbers. (KCH-10 and KCH-11 front panels are applicable to the productions June 2001 and after.) In terms of the products with the serial numbers earier than 30300001, refer to the TK-790/(B)/H(B) service manual as per part No. B51-8438-00 and the TK-790(B) service manual as per part No. B51-8456-00. |
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Kenwood TK-790 Supplement (dated 2005) 38 KB PDF Noted as applicable to units with serial numbers 60400001 and above. |
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The TH-D7AE is a dual band handheld that has a built in
packet / aprs TNC. TH-D7-AE Service Manual 7.35 MB PDF |
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The TM-D700 is a dual band mobile that has a built in packet / aprs TNC. |
| TM-D700 sales brochure 679KB PDF | |
| This is the software package that lets the PC program the radio (freeware). 398KB executable file | |
| TM-D700 APRS / Packet manual 855KB PDF file | |
| TM-D700A Owners / operator's manual 2.68MB PDF | |
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The TM-G707 is a basic twin band mobile (one band at a time - For simultaneous receive see the TM-V7). |
| TM-G707 sales brochure 817KB PDF | |
| TM-G707 Instruction Manual 2.5MB PDF | |
| TM-G707 Service Manual 7.48MB PDF | |
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The TM-V7 is the dual band mobile. The early ones had a history of developing lines in the display due to a poor design. Kenwood did a recall/replacement of the displays, but naturally some folks didn't get the word. If you have a used V7 that has lines you will have to live with it, there are no more replacements to be had. Or use it as a remote base. (note from WA6ILQ: If anyone has a replacement display module (or has a V7 in use as a remote base and could live with a defective display) let me know, I've got a local disabled ham that has a bad display and can't afford a replacement on his limited income) |
| TM-V7A / TM-V7E Instruction manual 4.9MB PDF | |
| TM-V7A / TM-V7E Service manual 2.7MB PDF | |
| A "usability" note from Dan Hopper KU4NF on
the TM-V7A radio and the PC software they provide to upload and
download the 180 memories... if you download the radios memory,
move some locations around and thus create some newly empty locations,
and then write it back to the radio it doesn't seem to delete the
now-empty locations like it should, it merges the upload with the
momory contents resulting in duplicate locations where the old
entries are visible in the empty channels in the new data. My
workaround is to delete all the memories in the radio before doing
a write to the radio, thus giving the new data a clean slate to
program into. How do you erase only the memories and none of the
other settings? None of the power-up hotkeys seem to do this.
However, if you have the radio change the VHF/UHF channel ratio,
it'll prompt you to OK erasing all the memories. Do that, then
change it back to your original ratio or a new ratio, and then
write from the software to the radio. Kludgy, but it works. Note from WA6ILQ - The same problem will probably happen in the TMG-707 series. If Kenwood is going to fix the duplicating problem (don't hold your breath), another feature that would be nice to add is a way to export the download as a Excel file, allowing the user to use Excel (or the spreadsheet from the free Open Office package) to manipulate the data, then import it back into the Kenwood package for uploading to the radio. |
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TM-V71 Instruction
Manual 4.3 MB PDF courtesy A. Nony Mous For details on the programming (PG-5G) and audio (PG-5H) cables click here: http://www.kenwood.com/i/products/info/amateur/pg5g_5h_e.html The free programming software for the radio can be downloaded from Kenwood at http://www.kenwood.com/i/products/info/amateur/mcp_2a.html. Or from here: Download MCP-2A Version 3.10 (filename: M2A310.exe; file size : 3.72MB), or if you have a paranoid ISP that forbids downloading EXE files you can click here: Download MCP-2A Version 3.10 (filename: M2A310.zip; file size: 2.95 MB). The only difference is that the executable file inside the ZIP is renamed to M2A310.EEE, you will have to rename it to EXE before running it. There is a firmware update to this radio according to http://www.kenwood.com/i/products/info/amateur/tmv71_d710_main_update_e.html that increases the usability as a remote base or EchoLink radio. |
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TM-V71 Service Manual 5.7 MB PDF courtesy A. Nony Mous |
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TM-V71 Mods 5.1MB PDF courtesy of A. Nony Mous |
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TR-8300 Operating Manual 1.9 MB PDF |
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PS-50 Manual For the TS-440 and others. 584KB courtesy of A. Nony Mous |
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TS-140s / TS-680s Instruction Manual 1.16MB courtesy of A. Nony Mous |
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TS-600 User / Operating manual 6M all mode radio 3.6 MB PDF |
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TS-700 User / Operating manual 2M all mode radio 1.9 MB PDF |
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TS-700 Service Manual - Larger PDF
file, about 49.6MB Smaller PDF file,
about 15MB Get the larger file if you have the download bandwidth. The files are larger than they would normally need to be as both files have a lot of background shading (i.e. the background is a varying shade of grey rather than white). |
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TR-7600 User / Operating manual with schematic 2.03MB PDF courtesy Jim MacDougald KB6ZOP |
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Service manual for the TS-850S in four PDF files: Part 1 2.7 MB PDF Part 2 1.3 MB PDF Part 3 2.9 MB PDF Part 4 1.4 MB PDF |
| 900 MHz Kenwood Radio Manuals and Info |
| As mentioned above the radios that
have a model number ending in a zero is 800 MHz, and ending in
a 1 is 900 MHz In other words, TK or TM-nn0=800 MHz, TK or TM-nn1=900 MHz. |
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| Additional information on 900 MHz radios and programming software can be found here. | |
| Handhelds: | |
| Anybody have a step-by-step programming procedure for the 900 MHz TK-431 or 481 handheld ? | |
| Anybody have the catalog page / specifications sheet PDF or service manual PDF for the TK-431 handheld ? Or one we can scan ? | |
| Catalog page / Spec Sheet for the TK-480 (800 MHz) or TK-481 (900 MHz) handheld 704 KB PDF | |
| Another catalog page / Spec Sheet for the TK-480 (800 MHz) or TK-481 (900 MHz) handheld 534 KB PDF | |
| Kenwood TK-480 / TK-481 900 MHz hand held
service manual including parts lists Revised for units with serial numbers after
30100001, dated March 2001 64 pages, 2.83MB PDF file, donated by A. Nony Mous TK-480/481 transceivers with a serial number of 30100001 or greater have a red triangle above the "W" in the KENWOOD logo label at the top of the front panel. You will also find the model name plate marked as “Ver 2.0” on the rear of the transceiver. You must use the KPG-49D to program Version 2.0 units. You cannot use the KPG-35D software for Ver. 2.0 radios. The KPG-36 cable is used with either software. |
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| TK-480/481 Leather Case is the KLH75B (non-DTMF) or KLH76B (DTMF). The nylon case is the KLH86. The Speaker-microphone is a KMC25. The heavy duty public safety speaker-mic (has the antenna on top) is the KMC-41. Thanks to Dave Clausen NN4TT and Bob Brown WØNQX for these part numbers. |
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| Mobiles: | |
| Anybody have a step-by-step programming procedure for the 900 MHz TK-931 mobile? | |
| TK-981 step-by-step programming procedure 38 KB PDF by Chip Olheiser W7AIT | |
| Catalog page / Spec Sheet for the
TK-930 (800 MHz) or TK-931 (900 MHz) 891KB PDF, donated by A. Nony Mous. This is a very poor scan, anybody have a better one? |
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| TK-930 or TK-931 Mobile non-DTMF microphone is a KMC-2A or B DTMF mobile microphone is a KMC-18 or KMC-18A (it's a 12-button mic). The base mic is a KMC-9C. |
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| Anybody have a PDF of the catalog page / spec Sheet for the TK-94n mobile ? Or one we can scan ? | |
| Catalog page / Spec Sheet for the TK-980 (800 MHz) or TK-981 (900 MHz) 353KB PDF, donated by A. Nony Mous | |
| Anybody have a PDF of the owners manual / users manual for the TK-93n mobile ?? | |
| Kenwood TK-840, TK-940 and TK-941 900 MHz mobile instruction manual undated 1.75 MB PDF file, donated by A. Nony Mous | |
| Kenwood TK-770 (VHF), TK-880 (UHF), TK-980 (800) and TK-981 (900) mobile instruction manual undated 1.1 MB PDF file, donated by A. Nony Mous | |
| Kenwood TK-880 (UHF) mobile service manual 2002 7.5 MB PDF file, donated by Ray Miles K7LNA | |
| Kenwood TK-941 900 MHz mobile service manual dated Aug-1994 6.2 MB PDF file, donated by A. Nony Mous | |
| Anybody have a PDF of the Kenwood TK-980 / TK-981 mobile service manual PN B51-8478-10 ? | |
| Kenwood TK-980 / TK-981 mobile service
manual supplement dated Jan-2005 908 KB PDF file, donated by A. Nony Mous From the cover page: "This service manual applied to products with 30600001 or subsequent serial numbers. In terms of the products with the serial numbers earlier than 30600001, refer to the TK-980/981 service manual as per part No. B51-8478-10." |
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| Kenwood TK-980 / TK-981 mobile service
manual supplement dated Jan-2005 908 KB PDF file, donated by A. Nony Mous From the cover page: "This service manual applied product with 50100001 (TK-980), 60600001 (TK-981) or subsequent serial numbers." |
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| The TK-931 mobile microphone is a KMC-2A or B, the DTMF mobile microphone is a KMC-18 or KMC-18A (it's a 12-button mic). The base mic is a KMC-9C. | |
| Anyone know the part number of the the TK-931 mobile mounting bracket? | |
| The TK-981 base mic is a KMC-9C. The mobile microphone is a KMC-27A or B, the DTMF mobile microphone is a KMC-28A (it's a 12-button mic). The "A" is significant as the KMC-28 has a different connector to the radio, the mic must be a KMC-28A. Click here for a PDF of the KMC-27 series / KMC-28 series documentation. | |
| The original TK-981 mobile mounting bracket is a part number J29-0627-13, superceeded by the J29-0728-03 which will run you about seven dollars (USA). If the coax connector is damaged you will probably have to replace the entire coax pigtail, which is part number is E30-3031-25 (which will run you about $30.00). Either can be purchased from East Coast Transistor or Pacific Coast Parts. | |
| 900 MHz Mailing Lists and Web Sites |
| There are two 900 MHz lists and the first one listed below has 90% of the message traffic. Note that these are 900 MHz lists (for any radio, not just Kenwood) and do not take kindly to off-topic discussions. Personally, I'd subscribe to both. If you change your mind you can always unsubscribe later. | |
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http://groups.yahoo.com/group/AR902Mhz From the description text: "This listserv is used to further experimentation and utilization of the 902-928 MHz amateur radio spectrum using voice and data communications. Please limit your posts to information relating to these subjects ONLY. Want and For-Sale ads allowed. Do not post EBAY links. Do NOT list non-900 MHz applicable items." |
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http://groups.yahoo.com/group/900mhz From the description text: "For those interested in utilizing the 900 MHz amateur radio band. This group is here to discuss modification of commercial radio gear to amateur radio use, repeater construction for 900 MHz, and other related topics relating to the 900 MHz amateur radio band." |
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Alex Szuski KD6VPH has put together a web site oriented towards 900 MHz Kenwood radios. Check out http://www.kw902.com. |
Kenwood Land Mobile (commercial) Radio Products
Background information, models, and other contributions.
Some notes on programming and interfacing the
Kenwood TKR-720 and TKR-820 repeaters A "quickie" page that was
put together to share two pages of handwritten notes from my file cabinet
that cover interfacing a TKR-n20 repeater to an external repeater controller.
If anybody wants to turn them into a photo article feel free to do so and send it in.
Brute Force Hacking the
Kenwood TKR-720 and TKR-820 Series Repeaters By Matt Krick K3MK
This writeup shows you how to move a TKR-720 or TKR-820 around the band
when you don't have access to a KPT-50.
Adding a Ham Gadgets ID-O-Matic II
Controller to a Kenwood TKR-720 (VHF) or 820 (UHF) Desktop Repeater 11.1 MB PDF
by Bob Lawrence KI4RWL
A photo article that walks you through the installation of a commercial
IDer board in a popular desktop repeater
Com-Spec has
hookup information for their
TP-38 community repeater panel to the TKR-720 or TKR-820 at their web site.
There is enough information buried in their web page to guide you in hooking up a
generic repeater controller (like an ACC, an RLC or an Scom) to the TKR720 or
820... a local copy is here just
in case...
Homebrew programming interface equivalent
to the KPG-4 The KPG-4 is the RS-232 to TTL cable that is used
for programming most any commercial or amateur Kenwood radio. 35KB
PDF from K9MN
Another version of the above
KPG-4 replacement This diagram is similar to the above but with
a lot more info - it shows the DB9 and DB25 connections, and the handheld
connections. 13KB GIF from KC7GF
A list of Kenwood Radios, the software
needed, and the programming cables needed A work in progress, contributions welcomed!
By Mike WA6ILQ
Kenwood TK-250 and TK-350 instruction manual 1.4 MB
PDF file, donated by A. Nony Mous
Kenwood TK-380 "E series" service manual 4.1 MB PDF
file, donated by A. Nony Mous
Despite the fact that this is titled a service manual pages 3 through 15 are the end-user
instructions.
Kenwood TK-860G and 862G service manual 5.9MB PDF
file, donated by A. Nony Mous
Mark Seidler N9XK has done a
bunch of research on the TK-805 UHF radio. He has a
web page (offsite link) on how to front-panel program them. The information applies to the
TK-705 VHF radio as well.
Art Bross KC7GF used to
have a Kenwood TK-705 and TK-805 Radio page but the hosting company went away. He moved it to a
Yahoogroup at
www.groups.yahoo.com/group/kenwood_05s.
The information available there covers programming from a PC as well as programming them from the
front panel. BEFORE YOU BUY AN 805(D) CHECK THE VERSION NUMBER ON THE BACK. There are 4 different
versions of the 805 and 805D and you need to look at the rear FCC ID# label. A -1 is for the
450-470 MHz band. A -2 is for the 470-490 MHz band, a -3 is for the 490-512 MHz
band and a -4 is for 406 to 430 MHz "government" band. The 450-470 MHz band TK-705D
and TK-805D will work fine with no modifications in the ham bands, however you will need the
"H" version to get 45 watts out of them. The stock non-H versions only put out around 30 watts
(retuning with a service monitor makes them better). Art's group page also has links to other
Kenwood-related sites. He also has some downloadable manuals available at
http://www.rfstuff.com/store/manuals.asp.
Field programming the TK-270 or TK-370 Handhelds
A writeup on front panel programming of these models. It's somewhat cryptic and since I
don't have one of the radios to experiment with I can't build on it, if anyone wants to add some
detail (or some photos) feel free to, then email it to us.
Ken Arck AH6LE owns
Arcom Communications and they make repeater controllers, including the RC-110, RC-210 and RC-810
models. Ken has provided a writeup on connecting a RC-210 to
a TKR-x50 series repeater. The 210 uses a simple enough interface that the information will
be of value on any repeater controller.
Here's a few photos of the Kenwood repeaters (7xx=highband, 8xx=UHF):

Here's a photo of the older TKR-720 / 820
Kenwood brochure (120KB pdf)
There is a rack mount kit, or you can set it on a rack shelf.
The black square at the bottom right corner is the microphone jack.
Here's another photo
Anybody have the TKR-720 service manual in PDF ?
A schematic of the TKR-720 on 48
separate pages 2MB PDF
The TKR-820 service manual 3.6MB PDF
Another copy of the TKR-820 service manual, a better
scan, but a larger file 27 MB PDF
If you have broadband and the download time, this is the one to get
How to connect a TKR-720 or TKR-820 to a Com-Spec TP-38
repeat panel ...or almost any other repeater controller 87KB PDF

Here's a photo of the newer TKR-730 / 830
Anyone have any experience with it?
Any PDF'd brochures or manuals available?

Here's a photo of the TKR-740 / 840, Kenwood's current top-of-the-line repeater
Kenwood 740 / 840 brochure (130KB pdf)
Kenwood 740c / 840c brochure (86KB pdf)
Kenwood 740 / 840 description (62KB pdf)
The 740 comes in three versions: TKR-740K is RX 146-162 MHz,
the TKR-740K2 is RX 158-174 MHz, the TKR-740K3 is RX 136-150 MHz.
All are TX 136-174 MHz
If you are going to order a new one for an amateur radio channel
make sure you order (and receive) a K3 version.

And the Kenwood TKR-750 / 850
Kenwood brochure (170KB pdf)
TKR-750 service manual (5MB pdf)
TKR-750 Version 2 service manual (3.5MB pdf)
TKR-750 Ver 2 S.M. Supplement (500KB pdf)
TKR-850 service manual (5MB pdf)
Function Reference (FUNC) For The
TKR-750/850 Version 2 and TKR-751/851 648KB PDF
Field Programming Reference (FPRG)
For The TKR-750/850 Version 2 and TKR-751/851 1.8MB PDF
Yes, you are seeing a faint "4" on the LED display in the upper picture, a "1" and a "32" on the LED displays in the middle pictures and a "16" in the bottom picture. Both the exciter synthesizer and receiver synthesizer are based on a mobile design and hence are multichannel - useful when you keep one extra repeater on the shelf to use it as a spare at several different radio sites that operate on different frequencies - just load all the frequencies into the channel bank of the spare repeater, then when you need to install it just set it to the appropriate channel, tweak the transmitter and receiver, and then cable it up to the existing duplexer / antenna system at the site.
The TKR-720 and TKR-820 were discontinued around October/November 2004.
And finally, the the high power Kenwood repeaters - essentially one of the
above units plus a power supply and a power amplifier, all in a cabinet.
| Anybody have a photo of a single-channel repeater? |
The photo on this brochure shows a conventional single-channel repeater system:
Kenwood brochure: TKR-7400 / 8300 / 8400
(52KB pdf)
The photos on this brochure show a 3-channel and a 5-channel trunked system:
Kenwood brochure: TKR-7400 / 8400
(87KB pdf)
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Information provided from various sources as listed in the text.
Hand-coded HTML © Copyright date of last edit by Mike Morris WA6ILQ.
You can contact Mike at (callsign) at repeater-builder dot com
This page originally posted on 14-Oct-2004
This web page, this web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.