KENWOOD TS940S AND TS940SAT MODIFICATION - QSL.
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Modifications for the Kenwood TS-940 - QSL.
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Kenwood TS-940S, Desktop Shortwave Transceiver - RigR.
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Possible cure for the dreaded TS940 dot display problem.
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Kenwood TS 940 Serial Number Help?? - Red Wave Radio.
Kenwood Ts 940s Serial Numbers.
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TS940S serial numbers | QRZ Forums.

KENWOOD TS940S AND TS940SAT MODIFICATION - QSL.

An alternative method would be to narrow down the fault to a particular part of the board or boards as suggested below. In the case of the TS940 there are a total of 6 phase lock loops, any one of which could be out of lock and cause the 'DOT' problem. Only 4. are on the PLL board - the other 2 are on the CAR board. Kenwood serial numbers come in 2 formats. The original format used from the initial production up until approx. August 2008 is as follows: All numeric - First digit is Year code, add 1998 to get year. If first digit is 0 add 10 to 1998. Next 2 digits are month code starting with. TS-940S's in the serial number range of 601XXXX through 708XXXX may be limited n SSB peak power as.

Kenwood TS-940SAT serial numbers | QRZ Forums.

Jul 19, 2008 · Foxhunter, I have a TS-930Sat(sn.5xxxxxx) with the autotuner already installed and find it is an excellent rig.Just as the 940's ,you have to watch out for early serial #' had similar problems with the power supply regulator boards and the 930's have a 3x AA battery that were usually corroded in older radios.Mine does the usuall hf band with WARC included.And the continuous coverage. TS 940 serial number question. 4. FS: Kenwood TS-940 with SP 940. 5. FS: Kenwood SP-940 for TS-940. 6. FS: or FT: Have 20 mil serial TS-940 LOADED! 7. Kenwood TS-950 serial numbers. 8. FS: KENWOOD TS-850S/AT 60M SERIAL NUMBER. 9. FS: or FT: Kenwood TS-940SAT 20 M Serial Number Loaded (See PIC) 10. FS: Late Serial Number Kenwood TS. N9JR TS-530S 1110561 1981 11/28/1981 Ham Radio Center, St. Louis, MO W3VVV TS-530S 2020774 1982 7/1/1982 Long's Electronics KOPSA TS-530S 2040084 1982 KK3H TS-530S 3080401 1983 9/1/1983 WD8OSJ TS-830S 4020054 1983 WF4B TS-820 641383 1978... KENWOOD Serial Number DATA BASE Author.

Modifications for the Kenwood TS-940 - QSL.

RE: TS-940S Production Errors Found; A very interesting article indeed. I have a late model TS-940S (10 million serial number) and I recall that Kenwood had (or has) a practice of making making continous production changes in its radios. TS-940S SSB Talk Power Improvement TS-940S's in the serial number range of 601XXXX through 708XXXX may be limited n SSB peak power as compared to full CW output. The level may be increased by changing the value of capacitors C182 and C183 in the ALC circuit on the Control board.

Kenwood TS-940S Mod | Radio-Hobbyist.

PLL unlock fro Kenwood TS-940S: 03 Feb 2006: TS-940s IF-10C serial interface: 28 Jan 2006: Broadcast band sensitivity mod for TS-940: 20 Mar 2005: Kenwood TS-940 Improved AGC function: 18 Sep 2004: TS-940S Factory Assembly Mistakes: 10 Aug 2004: TS-940S bad solders. 24 Feb 2004: TS940S remote relay elimination: 11 Jul 2002: Expanded xmit for. You are buying. TS-940S, provided the input impedance of the transmis- sion line is not outside the capability of the AT-940 Auto- matic Antenna Tuner pi-output matching network. The transmission line should be coaxial cable. An antenna sys- tem which shows a standing wave ratio of less than 1.5 1 when using 50 ohm coaxial transmission liner or a system.

Kenwood TS-940S, Kenwood ts-940s Transceiver TS940s, ts940sat.

Kenwood made a lot of TS-940's. Although they had a few issue's on the earliest run's, all were fixable and as the serial numbers grew the issue's went away. By no means would I purchase one based on the serial number though. But would purchase it on how well it worked now.

Kenwood TS-940S, Desktop Shortwave Transceiver - RigR.

The Kenwood TS-940S is a serious radio for the serious operator. Superb interference reduction circuits and high dynamic range receiver combine with superior transmitter design to get your signal through. This all mode transceiver covers 160 to 10 meters with a general coverage receiver. Operates 250 W PEP input on USB, LSB, CW, FM and FSK and. Kenwood TS-940S (TS 940 S TS940S) ALC time constant. Kenwood TS-940S (TS 940 S TS940S) Mod for MARS and all band operations. Kenwood TS-940S (TS 940 S TS940S) technical specifications Kenwood TS-940S (TS 940 S TS940S) technical specifications. Type: Amateur HF transceiver.

Kenwood Month/Year of Manufacture Calculator - It's By Tim.

Support the channel and feel free to buy me a coffee, thanks!For Radio and Electronic Equipment check this out. Jul 09, 2014 · Early 940s were plagued with phase noise issues, which i believe were solved in later production runs. Hence, most people who know this look for a "9 million" or later serial number. I have run both side by side and the 930 "sounds" slightly more pleasant to listen to but I'm not sure if it's actually more sensitive for weak signals. Million serial number on a TS-940 means that it was made in 1987 becuase they weren't made after 91 or so. Now the dillemma. The TS-940 has a serial range of 10 million (1989) during which some very significant changes were made to the design of the radio, such as soldering in the eprom to eliminate erratic problems. You naturally.

Possible cure for the dreaded TS940 dot display problem.

K2ATX Premium Subscriber QRZ Page. I believe the TS940s were produced from 1985 until 1992. Kenwood serial number. XYYZZZZZ. X = last digit of the year. YY = Production Month. ZZZZZ = sequence in production for that month. 0070xxx =. Expanded xmit for Kenwood TS-940S 1.From CT1APV 2.... Serial number lot Varistor R15 R16 MRF485 Green or Higher rank 106xxxx or earlier STV3H(O) 820 1.2 K See.

Kenwood TS-940 HF Transceiver, should you buy one? - YouTube.

The Kenwood TS 940S was Kenwoods Flagship Radio from about 1986 to 1989. Stan Post by Tony Page I have a Kenwood TS-940S that I am trying to identify. It has a REALLY early serial number 0050364. Everything I read about these radios are in the Million numbers. Is this number right? Early production or Prototype? Any Good or plagued with pronb

Kenwood Ts 940s Serial Numbers