This is a Kenwood TK860G UHF 128 channel mobile radio. When operating the TS-940 in SSB/AM/FM or FSK Modes, it is advisable to set the MIC GAIN (FM MIC GAIN) or the PROCESSOR OUT controls to prevent get minimal ALC indication. kenwood ts-940 sql problem. It works as well as 8-9 mill numbers I've had, maybe better. It works as well as 8-9 mill numbers I've had, maybe better. Post by les-2e0dyy » 06 Oct 2016, 17:06. The only limitation is that your TS-940/850 should have an antenna that can handle the 3:1 Max SWORE. I recently became the owner of my first Kenwood transceiver, a TS940A. Connect the antenna and power cord then test the transceiver for normal operation. Not only Kenwood. This is a terrible design and a common problem for. The primary reason for this was apparently noise, the Kenwood fans are not designed to limit blade or motor noise. de Doug KR2Q. make sure if you do this that you ground yorself so any static on your body is cleared. Web. The procedure uses a fixed level of modulation input at the Mic connector, 1. First I found the RF Preamp FET in a odd position, but only few days after I could focus and. A number of suggestions have been put forward to cure the fault. A Compendium of Information - W3AFC. When operating the TS-940 in SSB/AM/FM or FSK Modes, it is advisable to set the MIC GAIN (FM MIC GAIN) or the PROCESSOR OUT controls to prevent get minimal ALC indication. DSP is excellent by 20th century standards, and it boasts that famous Kenwood sound on TX (150 watts) and RX. Web. 2SD1266 (P,Q) Ebay , 2SD1406 (Y) Ebay, uPC7805 (H) Mouser. Superb interference reduction circuits and high dynamic range receiver combine with superior transmitter design to get your signal through. A copy of the. TS-940S SSB Slope Tuning 6. Subscribe! My Subscriptions Subscriptions Help. Web. I have seen radios that only suffered a bit, lowering the output power to a mere 50W. All the frequency digits change from numbers to decimal points. Aug 1, 2015. 1A, 0. com/theradioshopFollow mw on lbry. The symptoms, in my case, were a dead radio. . It was also wrong in the PC board view pictures in the Service Manual. Kenwood made a lot of TS-940's. com Online Contact Form Amateur Radio Software Are you looking for software? CLICK HERE to Download Amateur Radio products software and support files not listed below. Hytera PD702 Owner's Manual Owner's manual (17 pages) Chinavasion CVSL-J71 User Manual Operation & user’s manual (10 pages) Midland CT 510 Manual Manual (58 pages) FlexRadio FLEX-6400M Quick Start Manual Quick start manual (2 pages). #18 Kenwood TS 940 DOT on display Chasing down the rabbit hole Pt 1 · Reparacion kenwood ts940s · #127 Part 1: Basics of practical PLL . Get a scope, even if it is a humble HO-10. I can make your 940 / 930 trouble free and perform as new again !! rates, personal service with fast turn around time. Jun 12, 2019. 3 W) and Q4 Q5 (2nd balanced mixer, also 2SK125). You're the first to show how to upgrade the 940's power supply. I suspect the internal capacitor had changed his value due to chemical processes. The TS-940S and TS-930 require 28V for the final stage, 21V for the control board, 9V for the LCD display and logic boards, and 5V for the processor and logic. FM or FSK)V 4. The primary reason for this was apparently noise, the Kenwood fans are not designed to limit blade or motor noise. Imagine a TS-940/850 that has an RX as good or better than a TR-7 or R-7A. The TS-940 is a triple conversion receiver design, so If you can hear a signal at all, the receive circuitry is working, but your sensitivity is low, which typically indicates the problem is right at the antenna input. Kenwood TS-940S Transceiver: Frequently-viewed manuals. 59 d9=4. Any help would be greatly appreciated. I like it beter than the 950SD I. Aug 1, 2015. Manufactured in 1986 this transceiver was the top of the line Kenwood radio until it was usurped by the TS950DX. In 1985 Kenwood, a Japanese company, began to produce the TS-940S HF Transceiver and discontinued it in the 90s. : Kenwood Kenwood-Ts-940S-Owner-S-Manual kenwood-ts-940s-owner-s-manual kenwood pdf. Web. Ts-940 All problems SOLVED. Kenwood made a lot of TS-940's. The fan control logic in the Kenwood TS-930 and TS-940 is a very poor design. Almost everyone who owns a Kenwood TS-940, TS-440 and a few select. In these pictures the FETs are in the wrong position. Clint. Kenwood TS-940S SPECIFICATIONS GENERAL Type: Amateur HF transceiver Frequency range: TX: 10-160 m + WARC RX: 0. 3 W) and Q4 Q5 (2nd balanced mixer, also 2SK125). Looking for a qualified tech for the 940. It appears most controls that are read by the processor will make this happen. Minor problems (fast clock, blown bulbs, etc) $550 or so. This is a terrible design and a common problem for. 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 . One of the biggest problems with the TS-940 has been the power supply. Oct 11, 2020. The one just to the left of it has already been removed, as it too was cracked. The socket should be checked to insure that it makes good electrical contact with each pin of the ROM. It has no box or manual and "appears to be in working condition". Web. Compudigital Industries has designed a full powe. Sometimes it works to 3 MHz. Web. Not sure if you resolved your particular PLL issue, but I was successful in tracking down the PLL issue with my TS-940 after much research. The rig seems to work (on receive, there is an unrelated problem on transmit) on the higher frequencies, LSB. This is an optional change and may not be performed under warranty. It is virtually impossibe to go through all possible problem areas that might turn up in a page or two, but I've included several common areas that need attention on many rigs. This is the 1st TS-940S that I could observe and analyze in detail its circuits. Kenwood actually preplaced one ham's TS-940 with a TS-950 because of this issue. Possibly for you too! Hi Jeff, The website is and will be great. I checked for the pin 2, pin 7 voltages on the 4 known IC's. Post by les-2e0dyy » 06 Oct 2016, 17:06. FS: Classic TS-940 w/ SP-940. This is the 1st TS-940S that I could observe and analyze in detail its circuits. by N2MG on December 18, 2002. A Compendium of Information - W3AFC. Delivery time: Courier Europe 5 days, America 7 days, USA and Canada 5 days. Web. I had the dot problem that would cut in and out similar to what most on here see when the PLL's are not balanced. Kenwood chose to use thermal detection on the PS and PA heat sinks to determine when to run the fans. I also noticed that a FET was It was as simple as de-soldered and turn the FET 180° and. One real problem is that neither VFO "locks" while tuning: While tuning up or down a band, the VFO may drop back a few KHz and require continued tuning to recover lost ground and. A copy of the. Almost everyone who owns a Kenwood TS-940, TS-440 and a few select. General coverage receiver section tunes from 150 kHz -30 MHz. So once you locate the problem and narrow it down to one board it is not really that hard to repair. In Step 1, the procedure has you set the Mic Gain VR to MAX, but then instructs you to engage the SEND switch and adjust VR8 on the CONT unit to set the ALC. I have two things to say. There’s a very nice write-up about this, applicable to at least the TS-930 and TS-940:. The 930 runs great, the 940 is sick with power supply problems. By no means would I purchase one based on the serial number though. Web. TS-940 Instruction Manual - WB4HFN. other transceivers or even the R-5000 receiver will have heard, or. The upgrade board has 2 switching power supplies on board for 9V and 5V. The Kenwood TS-930, while many years out of production and lacking many of the technology. 8v working ) con 2 pin5 (ul)=2. 04 Apr 2009. I have a Kenwood TS940S HF rig and I have a question about SSB filters. 18 Aug 2008. . The former radio owner told me the radio had a few problems: " Intermittent . I had the dot problem that would cut in and out similar to what most on here see when the PLL's are not balanced. its circuits. PLL unlock in the TS-940 has been a known problem. I had not noticed there was a generic "Kenwood" rig type. Not sure if you resolved your particular PLL issue, but I was successful in tracking down the PLL issue with my TS-940 after much research. it would loose lock wan the display would go blank. The fan control logic in the Kenwood TS-930 and TS-940 is a very poor design. When the 940 is up and running again, I will upgrade the 930 as well. 24 Sep 2009. The procedure uses a fixed level of modulation input at the Mic connector, 1. experienced, the dreaded PLL wax potting curse. The TS-940 is a triple conversion receiver design, so If you can hear a signal at all, the receive circuitry is working, but your sensitivity is low, which typically indicates the problem is right at the antenna input. The primary reason for this was apparently noise, the Kenwood fans are not designed to limit blade or motor noise. As I never heard about this problem, I decided to reveal it to the whole world. Help with TS-940 Problem. Kenwood chose to use thermal detection on the PS and PA heat sinks to determine when to run the fans. by Andy Vavr » Tue, 11 Feb 1997 04:00:00. I have one of these rigs that has a built in auto tuner in it (TS-940S/AT). Not sure if you resolved your particular PLL issue, but I was successful in tracking down the PLL issue with my TS-940 after much research. of my particular radio (7 million s/n) solved the. In this video we look at a TS-940 with low receive. But instead of having a main board and a few other boards the 940 has many boards, 6 PLL circuits. Kenwood TS 940 Problems and Troubleshooting Guide. 8v working ) con 2 pin5 (ul)=2. Oct 16, 2019. Complete rebuilds from top to bottom, PLL and Power Supply repairs & updates, Replacement RF Drivers. 908 deal with two probable causes; low VCO voltage, and PLL voltage. The error is on the IF board: Kenwood printed labels for R149 and R150 around the wrong way!!! As assembled by the factory, (the outcome is) in the main signal path, a 2,200 Kilo-Ohm resistor ends up where a 150 Kilo-Ohm Resistor should be. 5K subscribers Subscribe 682 Share 30K views 5 years ago In this video we look at a TS-940 with low receive. One of the biggest problems with the TS-940 has been the power supply. DOA - Dead on arrival - Cover Removed. So once you locate the problem and narrow it down to one board it is not really that hard to repair. 5 kHz audio tone at 5mV. Handling time: 8 Days. In my opinion in it's day it had no rival. sub-optimal, and picks up a lot of stray, random noise throughout the radio. receive signals, but they are rather weak. a page dedicated to fixing problems on the kenwood ts 940s by g4urh. In these pictures the FETs are in the wrong position. I began to wonder last year why its Rx was weaker than the other Kenwood HF rigs or Icom. The TS-940 has the ability to produce excessive drive to the PA, especially in the CW mode. Web. Kenwood TS-940S AT RENOVATED 100%. just need it gone threw, seems to have low power and it has fan problems. This radio has issues. Delivery time: Courier Europe 5 days, America 7 days, USA and Canada 5 days. See the FETs Q10 (RF Preamp RF Pream p 2SK125, N-FET, 25V, 0. Kenwood SB's 900 and. The socket should be checked to insure that it makes good electrical contact with each pin of the ROM. You won't find an AVR board for sale new -- you should endeavor to fix the. Though basically functional, it has a number of problems that I'm hoping By Mike Walsh · 10:13am TS-940S Main display dim and bright lines 7 G'day all, My TS-940's main display has even brightness across all segments when the DIM button is depressed (they are all the same level of dim), but it has alternating dim and bright lines the full. Web. It won't work on USB at all. When I get below around 10 MHz (this varies) the dots appear. This is caused by one or more of the Phase Lock Loops (PLL) going out of lock. Not related to activating any function of the radio or temperature. The RX audio is fabulous. The former radio owner told me the radio had a few problems: " Intermittent . Intermittent control or display problems that are difficult to correct with the reset procedure may be caused by a faulty ROM socket. 4SALE: TS-940,SP-940,SM-220, IF-232c. 52 postage. This is a known problem , you should find a fix in one of the many Kenwood mods lists. SKU: UC06KM-B7 Category: Kenwood Tags: CAT, control, kenwood, programming, TS-940S. The best thing you can do at this point is a bit of troubleshooting of the signal path. Possibly for you too! Hi Jeff, The website is and will be great. Web. Es lässt sich problemlos 364146204004. I checked for the pin 2, pin 7 voltages on the 4 known IC's. The RX audio is fabulous. The fan control logic in the Kenwood TS-930 and TS-940 is a very poor design. Fix wayne phillips 501 subscribers Subscribe 14 Share 2. I apologize, the info I gave you about wiring was for the TS-930, not the TS-940. signals sound great and the s-meter does work properly. Web. KENWOOD TS-940S Repair PART 1 5,809 views Mar 24, 2018 46 Dislike Share Save Radionut63 3. Clint. com Home Manufacturers Kenwood TS-940S Kenwood TS-940S Desktop Shortwave Transceiver Specs Manuals (3) Reviews (1) Prices (3) Compare Add a review Add to my shack Login or Register to upload images Find Kenwood TS-940S rigs and spare parts on eBay Find the Kenwood TS-940S on Amazon. The only limitation is that your TS-940/850 should have an antenna that can handle the 3:1 Max SWORE. Requests: 1. You won't find an AVR board for sale new -- you should endeavor to fix the. First I found the RF Preamp FET in a odd position, but only few days after I could focus and see that the cascode circuit was correct in the schematic diagram and wrong in the PC board. Subscribe! My Subscriptions Subscriptions Help. This issue can easily be solved if you just warm up the loop lock panel. I had the dot problem that would cut in and out similar to what most on here see when the PLL's are not balanced. First, I put the radio (Kenwood TS940) in a cold basement to bring the temperature down to aprox. Web. 10v ic17>pin1=2. If you are up to it and have good solder techniques, redo all of them when the board is out. Complete rebuilds from top to bottom, PLL and Power Supply repairs & updates, Replacement RF Drivers. Post by les-2e0dyy » 06 Oct 2016, 17:06. 1K views 1 year ago Kenwood TS-940S Dot display problem, PLL out of lock. Post by les-2e0dyy » 06 Oct 2016, 17:06. The symptoms, in my case, were a dead radio. As time goes by, the glue becomes slightly conductive and can cause leak currents flowing between components. Could you advise me what to do? Skie Click to expand. Unfortunately, this is rarely the case. it would loose lock wan the display would go blank. And the saga continues!Will she live? STAY TUNED TO FIND OUT! :-)2SB861:http://www. KENWOOD TS-940S/AT PLL Wax Woes: Almost everyone who owns a Kenwood TS-940, TS-440 and a few select other transceivers or even the R-5000 receiver will have heard, or experienced, the dreaded PLL wax potting curse. I apologize, the info I gave you about wiring was for the TS-930, not the TS-940. I picked one up at a swap meet a few years ago and it still receives unsolicited compliments on the TX audio. by Brian Mileshos » Tue, 10 Apr 2001 05:07:44. 40K views 6 years ago In this video I have a TS-940 that has the dreaded dots on the display. Kenwood radios, I have a TS-940, which had a few problems caused . Ever since I had the radio (4 years ago), the LCD display fades in and out. 1K views 1 year ago Kenwood TS-940S Dot display problem, PLL out of lock. Complete user interface for the TS940S. We have another Kenwood with dots on the displaySupport The Radio Shop on Patreon;https://www. it would loose lock wan the. 00EUR, Buy Now Low noise PLL loop amplifier for Kenwood TS940, 39. This could happen to anyone that has the TS-940. Web. After being a Ham for over 50 years, I have finally decided that one of the best transceivers ever made is the Kenwood TS-940. Some of the balanced modulators on AM have IMD problems too. Superb interference reduction circuits and high dynamic range receiver combine with superior transmitter design to get your signal through. 5 kHz audio tone at 5mV. Open the PDF directly: View PDF. By no means would I purchase one based on the serial number though. By no means would I purchase one based on the serial number though. rar [preview TS-940S] Size: 1953 kB: Extension: Mfg:. I have a problem with my TS-940 and was wondering if anyone else has had it. momentarily displays then disappears. One way to solve this issue is by removing all the solder present in the parts of lock loops. The TS-940 can be very intimidating when the covers are removed and one looks in. by Andy Vavr » Tue, 11 Feb 1997 04:00:00. Intermittent control or display problems that are difficult to correct with the reset procedure may be caused by a faulty ROM socket. Payments: Credit, Debit Accept Also PayPal, Zelle. Kenwood roofing filter (XF1-A, XF1-B, L3-L5), when the TS-940 is set to FM mode. Will I benefit from a filter with these problems ?. order intermodulation problems of the TS-940 at carrier offsets between . Dave's specialty is the Kenwood "hybrid" transceivers, the TS-520 through TS-830S, plus solid state transceivers TS-930S and TS-940S. After being a Ham for over 50 years, I have finally decided that one of the best transceivers ever made is the Kenwood TS-940. The problem Kenwood TS-440 is designed as a mobile transceiver. In Step 1, the procedure has you set the Mic Gain VR to MAX, but then instructs you to engage the SEND switch and adjust VR8 on the CONT unit to set the ALC. Web. T6-940S TRANSMITTER HUM IN SSB. I had the dot problem that would cut in and out similar to what most on here see when the PLL's are not balanced. FS: Kenwood SP-940 for TS-940. Kenwood TS-940S, TS-930S Repair, Modification, and Operation. The primary reason for this was apparently noise, the Kenwood fans are not designed to limit blade or motor noise. Web. Kenwood made a lot of TS-940's. com Home Manufacturers Kenwood TS-940S Kenwood TS-940S Desktop Shortwave Transceiver Specs Manuals (3) Reviews (1) Prices (3) Compare Add a review Add to my shack Login or Register to upload images Find Kenwood TS-940S rigs and spare parts on eBay Find the Kenwood TS-940S on Amazon. 3 W) and Q4 Q5 (2nd balanced mixer, also 2SK125). 5K subscribers Subscribe 682 Share 30K views 5 years ago In this video we look at a TS-940 with low receive. Entdecke Kenwood TS - 930S Instruction Manual HF Transceiver (255) in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung für viele Artikel!. The TS-940 has the ability to produce excessive drive to the PA, especially in the CW mode. Web. All the bad joints were in the areas where the PLL had WAX poured in to keep down microphonics. Sometimes, however, the signals sound great and the s-meter does work properly. SKU: UC06KM-B7 Category: Kenwood Tags: CAT, control, kenwood, programming, TS-940S. 3 W) and Q4 Q5 (2nd balanced mixer, also 2SK125). TS 940 Battery Replacement. When you complete your order, we will ship in 8 days. peliculasporno en espaol, glow recipe expiry date check
Web. . Kenwood ts940 problems
Entdecke Geprüft Kenwood TS-570S SG Version up DRU-3A 500Hz CW Filter Transceiver Schinken in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung für viele Artikel!. Looking for a qualified tech for the 940. One way to solve this issue is by removing all the solder present in the parts of lock loops. KC4UMO Buddy. Entdecke Kenwood TS - 930S Instruction Manual HF Transceiver (255) in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung für viele Artikel!. The upgrade board has 2 switching power supplies on board for 9V and 5V. then you probably are dealing with the same problem. its circuits. This issue can easily be solved if you just warm up the loop lock panel. Adrian Chadd. Put the covers back on the TS-940S and secure them with the 16 case screws. This is a great radio with receiver specs comparing well with the top 5 receivers made today. The ALC alignment procedure in the Kenwood TS-940 Service Manual is seriously flawed. The fan control logic in the Kenwood TS-930 and TS-940 is a very poor design. a page dedicated to fixing problems on the kenwood ts 940s by g4urh. 71K subscribers Subscribe 6. 908 deal with two probable causes; low VCO voltage, and PLL voltage. Almost everyone who owns a Kenwood TS-940, TS-440 and a few select. Jan 30, 2021. by N2MG on December 18, 2002. Open the PDF directly: View PDF. Will look carefully at. I had the dot problem that would cut in and out similar to what most on here see when the PLL's are not balanced. It won't work on USB at all. I apologize, the info I gave you about wiring was for the TS-930, not the TS-940. 18 Aug 2008. Web. First I found the RF Preamp FET in a odd position, but only few days after I could focus and. Amateur Radio Customer Support (310) 639-4200 Option: 4, Option: 1 HOURS: 8:00 A. Entdecke Kenwood T599D/R599D HF Zwillinge mit Zubehör. TS-930S No CW Side Tone 2. It was also wrong in the PC board view pictures in the Service Manual. Web. 75v con 5 pin4 (ul)=0 (4. Web. A Kenwood TS-940SAT with auto-tuner installed caught my eye, but there's no ballpark price listed. First I found the RF Preamp FET in a odd position, but only few days after I could focus and see that the cascode circuit was correct in the schematic diagram and wrong in the PC board. Looking for a qualified tech for the 940. Not related to activating any function of the radio or temperature. it would loose lock wan the display would go blank. TS940 antenna tuner stopped working - HELP - tips Forum at Contesting Online 1-2 of 2 messages Page 1 of 1 Page 1 of 1 Next Topic: prop pitch motor Previous Topic: filter Email Subscription You are not subscribed to this topic. Web. Fix 972 views Dec 16, 2021 Kenwood TS-940S Dot display. kenwood ts-940 sql problem. This is a special own stock item. Not sure if you resolved your particular PLL issue, but I was successful in tracking down the PLL issue with my TS-940 after much research. File information: File name: TS-940S_Service_manual. All these are tied together with many wire harness. Hytera PD702 Owner's Manual Owner's manual (17 pages) Chinavasion CVSL-J71 User Manual Operation & user’s manual (10 pages) Midland CT 510 Manual Manual (58 pages) FlexRadio FLEX-6400M Quick Start Manual Quick start manual (2 pages). 76v ic9>pin3=1. Kenwood TS-940S, Desktop Shortwave Transceiver | RigReference. hi all I am looking for advice I recently bought a kenwood ts-940s my problem is I cant sql. make sure if you do this that you ground yorself so any static on your body is cleared. to 4:00 P. I recently became the owner of my first Kenwood transceiver, a TS940A. Kenwood chose to use thermal detection on the PS and PA heat sinks to determine when to run the fans. de Doug KR2Q. All were correct except IC 8. I have over 6 + years experience with. #129 Kenwood TS 940 Low Receive The Radio Shop 22. 49 d16 ok 2. 59 d9=4. 49 d16 ok 2. If the frequency is changed, the correct display will appear but return to Decimal Points within 2 seconds. 71K subscribers Subscribe 6. By no means would I purchase one based on the serial number though. He picked it up on the way back. Higher gain parts are readily available although still somewhat more expensive than the NTE-listed substitute, the NTE236. . Kenwood TS-940S, TS-930S Repair, Modification, and Operation. Digital A Board. Es lässt sich problemlos 364146204004. In my opinion in it's day it had no rival. The spacing between the pins is 1. Kenwood TS-940S, TS-930S Repair, Modification, and Operation kw-ts940s@groups. The manual has 96 pages; File. 04 Apr 2009. 49 d16 ok 2. Ask Steve WA1QIX about the distortion he found on a Yaesu FT-101 and the mods he did to get that balanced modulator right. Apr 8, 1986. You're the first to show how to upgrade the 940's power supply. This was definitely not the case as I suspect the radio was never opened before. The ALC alignment procedure in the Kenwood TS-940 Service Manual is seriously flawed. Delivery time: Courier Europe 5 days, America 7 days, USA and Canada 5 days. higher breakdown voltage will help prevent this potential problem. The picture above was scanned from the TS-940S Service Manual, Revised Edition. This is a terrible design and a common problem for. Get a scope, even if it is a humble HO-10. position, but only few days after I could focus and see that the cascode circuit It was also wrong in the PC board view pictures in the Service Manual. Kenwood TS-940SAT. But instead of having a main board and a few other boards the 940 has many boards, 6 PLL circuits. I can make your 940 / 930 trouble free and perform as new again !! rates, personal service with fast turn around time. Web. rig faces you. Old Ham Dave is David Lyndon, professional electrical engineer and extra class amateur AK4AA, well-qualified to repair, align, and refurbish amateur radio equipment using laboratory quality test equipment. experienced, the dreaded PLL wax potting curse. The ALC alignment procedure in the Kenwood TS-940 Service Manual is seriously flawed. If your looking for a great classic and are willing to spend 6-$800. io Topics Kenwood TS-940SAT with Low Output on Lower Bands Date 1 - 20 of 49 Kenwood TS-940SAT with Low Output on Lower Bands #transmit 1 - 20 of 49 1 2 3 Previous Topic Next Topic. Kenwood roofing filter (XF1-A, XF1-B, L3-L5), when the TS-940 is set to FM mode. sub-optimal, and picks up a lot of stray, random noise throughout the radio. He told me he had it serviced in 2015 by Kenwood in Virginia(?) on his way to Florida. TS-940S Sub-Display Fades In and Out Discussion: TS-940S Sub-Display Fades In and Out (too old to reply) K***@gmail. Noise blankers on both rigs eliminated the noise HEARD, but the 1000MP was better at finding signals and bringing them up than the 940 with DSP59+ was. sub-optimal, and picks up a lot of stray, random noise throughout the radio. Also would like to talk about the hi-fidelity mod for this radio. Though user friendly, this transceiver is technically sophisticated and some features may be new to you. Not only Kenwood. In 1985 Kenwood, a Japanese company, began to produce the TS-940S HF Transceiver and discontinued it in the 90s. I can make your 940 / 930 trouble free and perform as new again !! rates, personal service with fast turn around time. SKU: UC06KM-B7 Category: Kenwood Tags: CAT, control, kenwood, programming, TS-940S. Apr 2, 2017. I also noticed that a FET was It was as simple as de-soldered and turn the FET 180° and. The Kenwood TS-940S is a serious radio for the serious operator. This is a known problem , you should find a fix in one of the many Kenwood mods lists. Help with TS-940 Problem. by Andy Vavr » Tue, 11 Feb 1997 04:00:00. When I press the bandswitch buttons, the freq. First I found the RF Preamp FET in a odd position, but only few days after I could focus and. 8v) ic9>pin2=4. For M/A Com/Harris/GE, etc: there are two software packages that program all current and past radios. Web. I also do modifications for SSB. Some Common Problems and Solutions There are many facets to a Kenwwod Hybrid Transceiver. 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 . Possibly for you too! Hi Jeff, The website is and will be great. I recently picked up the following Kenwood equipment for an extremely. 83mhz cw filter. Filters, VBT, AIP and notch give lots of options for dial-twiddling and weak-signal reception. In this video we look at a TS-940 with low receive. Clint. KB2LJJ Radio Mods Database and Manuals Page 1 of 10 TS 940 Mods Expanded xmit for Kenwood TS-940S 1. Here's some pictures showing what to watch for: The slug in the coil form in the lower right (pink) is cracked. . diesel stations near me