- Rci 2950 audio mods r-115 is up The Defpom Ranger RCI 2950 Mods Page. He went further to say the ARRL tested the RCI 2970DX and found no problem of Adjust VR14 (AMC) for maximum forward modification. radioaficion. This document provides specifications and descriptions of controls and connections for the RCI-2950 amateur radio transceiver. though I have a little problem with it. triple nickel said: I know there is a thread on this, But i can't seem to find it. The new RCI-2950DX, rated at 25W PEP and the RCI-2970DX, rated at 150W PEP are perfect for Remove the case. 6999 MHz. D-63 is in a row of 5, last one to the right next to VR-8,frequency adjust RCI 2950. I was sent this e All are Marked with words and numbers. A call to JR at Ranger service didn’t resolve the issue. anyone know the part number and location of the voltage Copper Talk » Ask The Tech » Radio's Mobile » Archived Messages » Rci-2950 problems « Previous Next » Author: Message Flashgordon New member Username : Flashgordon Post Number: 5 Registered: 11-2005: Posted on Saturday, December 31, 2005 - 5:12 pm: hi & happy new year, a friend gave me an old rci2950 that only works sometimes. Everything else on this radio works fine. Adjust the modulation to no more than 100% by adjusting VR14. 24-32mhz I've owned and run my RCI 2950DX6 for almost 2 years now, continuous, haven't turn't it off, and everyday with propagation, it brings the world into my QTH and with the 85 watt output, so far, I've been able to work almost every station I've Hallo Ranger owners, this radio have a big problem. UP N/C 6. I would like the correct way Addeddate 2021-06-29 04:20:41 Identifier manualzilla-id-7323264 Identifier-ark ark:/13960/t9t26s88n Ocr tesseract 5. Mic Wiring Info. After you "Jump" your radio, you'll need to press the CPU reset button located Rci 2950 expansion chip. Audio White 3. Down N/C Turner 6 audio mod for galaxy 2527 (2980) rci board Post by the dx screwdriver » Wednesday 16th Jan 2008, 16:46 i am looking for any audio mod for this board (same as 2950 with little vary. And A Bill Good designed Locate J1. I found it in my notes and could not find it anywhere on the web so here it is: # 1. External Speaker (Not Supplied) 8 Ohms; 5 Watts. Ranger RCI 2950 modifications for the older (non DX) and newer models (DX) RCI-2950 DX (Second Generation) www. r-115 is up I need help with my 2950. A couple months back I swapped out the 2SB754 with a NTE37 as suggested by the RCI Web mods, along with the swing mod. The pictorial component layouts are adjusted to the f Adjust VR14 (AMC) for maximum forward modification. Down: www. The parts list includes components like capacitors, coils, resistors, and connectors. Lon Tech808 CEF808 N9OSN Boxcar Intermediate Member Username: Boxcar Reference the accompanying pictorial sketch (below) for component location during your alignment process. (SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE) - 3 - RCI-2950 DX RCI-2970 DX CHAPTER 2 INTRODUCTION 2. Locate the PCB which has the jumpers on it (it is behind the front panel) Find jumper J2, you will notice that it is on pins P3 and P4. Apr 6, 2012 #7 AudioShockwav said: My 2950DX ( green display) has dual 2sc2312`s in it with a 2166 driver. 0. Harve/Unit199 may be able to answer this question for you as I do not know which model old/new he is talking about. If you place the jumper on Pins P1 and P2, you will have 26. lincoln. Remove D-63 & R-115,Using a soldering iorn. The Ranger 10-Meter HAM radio's new display has a 4-level brightness adjustment for any environment. 2 masse: 3 émission: 4 réception: 5 montée ( des canaux ) 6 descente ( des canaux ) 1 masse: MIDLAND ALAN 28. Sommerkamp ts-2000dx no tx audio (same as old rci 2950) Post by Amateur, Ham and CB radio modifications, with schematics,circuit and block diagrams, mods,alignments and reference info, PLL pinouts, component data sheets,CB radio pll-radio charts,VR lists,projects,bleeps, mikes, tweaks, radios. Mode RCI 2950. D63 is in a row of 5,left of VR-8 freq. I haft to turn the volume all the way up on AM/SSB/CW to here anything. GALAXY SATURNE TURBO / RCI 2950 / RCI 2970. A receiver alignment is not necessary, but could be done to ensure proper alignment. it IZ5CCV I was sent this e-mail from a visitor to my site, enjoy. Down Blue Turner 4-Wire MIC. Please clairify because im kinda confused. (This link will open in another window) This is some handy software that I wrote to assist with modifications and alignments by telling you what is possible and what frequencies will be generated for a given PLL type and radio chassis, it can also help teach people more about the theoretical operation of different CB types. /f. Down Blue. My point is that my beloved RCI 2950 was out talked on AM once by a HR2510. THANKS ;KENT Ranger RCI-2950 Service Manual There is lots of good information on that sight. For discussions on CB Radio Repair and Troubleshooting, do not post modification requests here, use the Modifications forum ! 1 post • Page 1 of 1. My VCO has issues where I'll lose lock but once I open it up adjust it up then back to where it should be its fine. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not The RCI 2950 has been around for many years. i do know there is a power mod but i dont need Howdy all - working on an RCI-2950. Modifications. m. View online or download Ranger RCI2970 Service Manual RCI 29xx non-DX Series mods to keep up with modern rigs !The RCI 2950 was in a war with the Uniden HR-2510 and original President Lincoln in the 90's. THANKS ;KENT We even serviced civilian radar systems which where 1950's vintage military gear. CAPACITOR, 20P, TRIMMER CV050200AZ CAPACITOR, 20P, TRIMMER CV050200AZ CAPACITOR, 30P, TRIMMER These are mods specifically for the RCI-2950 & 2970 Radios. dk. Simple, Huh! To increase audio quality and low power swing, change Q53 from a 2SA1869 to a 2SA473, 2SA1012, or a ECG-NTE 153. Turner 4-Wire MIC. 0 Utenti e 1 Visitatore stanno visualizzando questa discussione. The new RCI-2950DX, rated at 25W PEP and the RCI-2970DX, rated at 150W PEP are perfect for the recent band openings on 10 and 12 meters. The 2900 radio was a CPU type radio with an analog S/RF meter. What has been tried: align the receive but no change Did it suddenly happen ?: don't know RCI 2950. the jumpers. This is said to quiets the receive while giving you up to 6DB of receiver gain. defpom Defpom CB cb schematics communications cbradio mods radiomods modification modifications expansion add ons bleep The 2950DX from RCI has become an icon in the radio world. hakkeri2 Newbie Posts: 2 Joined: Wednesday 2nd Feb 2011, 13:07 First Name: Timo Location: Finland. All having the same PCB. The new RCI-2950DX, rated at 25W PEP and RCI 2950 Service Manual Table of Contents Specifications Controls and Connections Basic Programming Procedures Technical Analysis of the circuits Transistors V A page which lists mods for the ranger rci 2950 radio. Hyperno_1979 Advanced Member Username: Hyperno_1979 Post Number: 655 Registered: 12-2005: Posted on Friday, June 27, 2008 - 6:32 am: The E Kit comes with the 2950DX/2970DX and Copper will fit it for you. In every case I achieved the goal of enhancing the performance of the radio, and in every case I sacrificed no perceivable quality in performance. Ranger RCI 2950 modifications for the old and new model. Do not remove. 0-alpha-20201231-10-g1236 RF SSG setting 28. jstahnke Dead Key Posts: 11 Joined: Tuesday 29th Jul 2008, 17:50 Location: NJ, USA. I also have a New in the Box Connex Saturn to set up when I am Still The # One Beach Bum on the Bare Butt Base - Peter Dragging in the Sand, Now that we all have Ranger 99N2 Ranger 99N2 More info *In Stock NOW* List Price $ 699. & CAN USE THEM. I used it exclusively in SSB mode and This section explains the technical theory of operation for the RCI-2950 DX mobile transceiver. ramblingman, thanks for the advice it has the ept 295013z i do belive off the top of my head. 240 oscillators working;audio section working. MODIFICATIONS POUR RCI 2950 ===== 1) AUTO-SQUELCH ===== REPEREZ LA RESISTANCE R315 (ROUGE ROUGE ORANGE OR ) SITUEE PRES DE L'ECRAN Radio Make and Model: RCI 2950 PCB Number: ept295013z PLL Number: Test gear available: digital multimeter ,frequency counter Symptoms: no RX ssb/cw What is working: every thing else works fine good TX in all mode but no RX in ssb/cw only. TX adj. 734298 1 owner bought bran new many RCI 2950. I just got a 2950 (not DX ) no audio on AM TX ok in SSB, PA though, replaced audio IC with known good one, still the same Any ideas? Thanks in Advance, Redeye. Removing C47 adds more highs RCI 2950 Goldfinger) audio mod. 0 INTRODUCTION This section explains the technical theory of operation for the RCI-2950 DX / RCI-2970 DX mobile transceiver. Remove the jumper and place it on P2-P3. Low power 1 1/2 watts VR-15 a. 5 Meg to a smaller value. The mike jack's transmit pin leads to one input pin on a 5-Volt computer chip. 999MHz, 0,25uV mod. 5. TX: 4. Heavy Duty Regulator. Receive working great. Vai giù Pagine 1. You could also volt the finals (Assymetrical Mod). He had a base Rci-2950 Old Style-Vs. 3kHz 1mV Mod. CAUTION: Alignment should only be attempted by personnel trained in RF product testing and alignment. but I don't know why they cut out parts to disable the AMC and ALC circuits. It seems, however, that the SRA-117 is lacking in the audio department. txt: 4494: 10-25-96: 2010 SSB Adjustment: 56kbfix. 700Mhz. I did the 11 meter mods. Change D34 & D35 Click here to view all the ABOVE modifications for rci-2950 in one page. RCI-2950 ssb rx audio broblem. IRF520s were changed, and I believe they are fakes, so I could no get it to work fully. / Last Update Friday 06 September 2024 / Radio Make and Model: RCI 2950 PCB Number: ept295013z PLL Number: Test gear available: digital multimeter ,frequency counter Symptoms: no RX ssb/cw What is working: every thing else works fine good TX in all mode but no RX in ssb/cw only. 8 into it by way CB,schematics,cb mods,cb radio,cbradio,mods,circuit,modifications,eprom expansion,add ons,bleep,ham radio,amateur,radio,projects,Amatuer,mod,block,diagrams,cct,uniden,Uniden,cobra,Cobra,president,President,realistic,Realsitic,superstar,cherokee,grant,washington,PLL,transistor,a,channels,expansion,GME,RCI,rci,ranger,Ranger,icom,yeasu,kenwood,gtl,ltd,dx,fm,FM,am,AM,ssb,SSB,lc,mc,upd,stalker,cw D 34 and D 35 and D1 and D2 are in the 2990 aka RCI 2950 chassis old style board. I have looked at some reports saying the rci reciever needs this Audio: 3. Much appreciated! RCI 2950 Audio Mods/ Volting the Finals ? Inspector: 2 : 1 : 11-02-01 7:40 pm: Tweek & Peak Question For 307: 307: 2 : 1 : 10-26-01 3:28 pm: Uniden/Bearcat-SC150 Sportcat: 241: 3 : 1 : 10-25-01 6:24 pm: Uniden 78xl: Tech181: 8 : 1 : 10-20-01 4:26 pm: Inquiring Mind: Tech181: 5 : 1 : 10-14-01 11:57 pm: Found Warrior mods: SONOMA: 3 : 1 : 10-09-01 7:50 pm : CHEROKEE RCI-2950 Specifications Key Features ·Full Band Coverage - Covers the 10 Meter Amateur Band from 28. Post by hakkeri2 » Wednesday 2nd Feb Hey all. 5 W @ 10% THD Built-in Speaker 8 Ohms, 5 Watts. 0000 to 29. It then details transmitter specifications including output power and receiver specifications RCI-2950 Inter-connection Diagram Chassis Exploded View Drawing. Thread starter ghutch; Start date Dec 24, 2011; G. Introducing the new RCI-2950DX. anyone know the part number and location of the voltage AM/FM/SSB/CW 10 Meter Radio The RCI-2950 DX6 has all the great options and advantages we love in the RCi-2950cd and the RCI-2970N4 but it boasts 100w output after tuning! Powered To unlock the clarifier on RCI-2950 (not DX) follow the next steps looking the pictures: Remove top and bottom covers. Up: 6. Hook up as drawing shows. Receive Black 5. I did notice that if ya turn the mode nob the switch noise is loud. To Equipment Used: Base RCI 2950 Mirage, Mirage M75 Amatuer Bi-Linear Amplifier,with a Antron 99 base station antenna, Mobile radio Cobra 29 LTD Classic and Wilson 1000 During my PLL tuning I can not get the freq counter to measure a freq at L61 (which is connected to L4 and Q6): This is the connection point according to most service manuals for RCI-2950/2970 and Galaxy Saturn Turbo as well as CRT Hercule Turbo that I have found. Tom Woods 1 Piece Double Cardan Drive Shaft. RCI 10 Meter Mobile Radios. It is located behind the display board. CM This section explains the basic programming procedures for the RCI-2950/2970 amateur 10 meter mobile transceiver. high power 10 watts VR-14 ssb Hig Es el primer radio que compro el dueño de este radio, así que desde hace mucho tiempo que le fallo, y fue deteriorándose cada vez mas el radio, así que me lo RCI 2950. Transmit in all modes, occasionaly you can hear faint voice but over everything - on AM, SSB, and FM, there is only this loud rushing almost staticky white noise. If you clip this jumper, you'll have 26. RX: 5. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not Find the clarifier harness. 5W Contents: 10 & 12 Meter RCI-2950DX Radio 6 Pin Stock Microphone DC Power Cord Mounting Bracket with Hardware To make the Roger Beep louder on the RCI-2950/70, change R-179 from 1. Remove R197 & D59 (circled in RED, front left of rig) After removing R197, connect 8V to where R197 lead end was connecting J I found 2 different mods for the 2995DXxx but don’t want to perform the wrong on. so I need to find a 2SC945P to replace it Audio Output Audio Output Power 2. 0000 MHz with the addition of a small circuit board provided by an undisclosed third party. Am Detector Upgrade This will increase the signal of distant stations from 3 to 6 DB and reduce the noise floor. Copper Talk » Modifications » Radios Modifications » Radios « Previous Next » Thread: Last Poster: Posts: Pages: Last Post: MC145106 5KC MOD HALF CHANNEL MOD Mods II; Mods III; April 30, 2020 simonthewizard *New* Ranger RCI-2950DX6 News for Ranger lovers wig the release of the 2950DX6. ramblingman Technical Helper Posts: 331 Joined: Sunday 21st Jan 2007, 4:35 Location: RCI 2950, 2970, & 2990 ALIGNMENT PROCEDURE-----1. I DID learn that the RCI-2950 does have a tendency to have weak TX audio on AM. Item Setting Adjust Point Measurement; PLL 2 Alignment : Set radio to AM RX mode. What has been tried: align the receive but no change Did it suddenly happen ?: don't know The new RCI-2950DX, rated at 25W PEP and the RCI-2970DX, rated at 150W PEP are perfect for the recent band openings on 10 and 12 meters. I did not have a scope to work with, and the resource from which I got the mod information never indicated I needed To view Main PCB Adjustment for location of adjustment points, please see this drawing - 2950 Main PCB. I checked the TX bias on the mosfet driver and finals. 700 26/29. SKU: RCI2950 DX6 Copper Talk » Modifications » Radios » Old & New 2950 MODS « Previous Next » Author : Message Kevster: Posted on Thursday, April 04, 2002 - 4:28 am: RCI 2950 / Mirage 2950 Frequency Modification Old Version Locate the main PCB with Jumpers on it. 1. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not transmit Curated reviews, buyer guides, How To Guides, Tips, Articles — so you can spend on only the finest quality, which you deserve! Here is a modification I recently did at an old RCI-2950 to be able to run PSK31 at 28. GENERAL: Type: Citizen band / "Freeband" / Export transceiver: Frequency range: 26-32 MHz: Channels / tuning steps: 100 Hz, 1 / 10 / 100 KHz, 1 MHz: Mode: AM / FM / SSB / CW: Direct Injection for RCI 2950/70 C298 on the 50/70 series To direct inject a 2950/70, remove C298. It's the 2970N2 that gets thru the pile ups with it's compressed audionot the ham rigs. For discussions on CB Radio Repair and Troubleshooting, do not post modification requests here, use the Modifications forum ! 4 posts • Page 1 of 1. If you remove it you will have coverage from 26. gino1turbo. Power wise we should have been on equal footing. yea it kicks ass for a 2950 (53-55 watts am)but i could have got much more from a converted/peaked I have a President 2510 (with chipswitch) and an RCI 2950 and I have (with the right conditions) had QSO's as far as the land of Ozz. 0 INTRODUCTION The Ranger RCI-2950 DX / RCI-2970 DX is a solid-state, fully synthesized Amateur 10 and 12 RCI-2950 1st Gen Recap and Repairs. Now you can upgrade your mobile Ham capabilities with a radio that is rich in features and Copper Talk » Modifications » Radios Modifications » Radios « Previous Next » Thread: Last Poster: Posts: Pages: Last Post: MC145106 5KC MOD HALF CHANNEL MOD I cannot say if it is for the Old or New 2950 as I did not mention R291 in my posts above. Still, it cost less than I paid for either the 2510 or 2950's I have owned, and puts out more power and seems to have better transmit audio. Receive N/C 5. Oct 8, 2011 1,536 172 173 Kansas City. Thread starter triple nickel; Start date Apr 5 , 2012; 1; 2; Next. most of ranger rci 2950 i run a ranger 2950 dx in my big truck i purchased it and got it converted it sucks but if you are not a qualified tech i suppose you have no choice i would recommend the ranger rci 2950 or even upsize to the 2970 big radio with power all in rangers are a superior radio for talking ssb no doubt my friend best 73 s from ireland 29 division . # 2. Ranger RCI-2950 DX and RCI-2970 DX. Connect the center conductor only through a 2. Mod limiter Q32 can be removed for more modulation, but it also disables VR12 (SSB ALC) and disables vari Here is the propper way to do the heavy swing mod to the older RCI-2950: First do NOT clip the modulation limmiter as that will defeat the purpose of the mod. ---WARNING--- Variable power output on FM will be disabled if mo RCI 2950 - Audio on PA - SSB but not on AM TX. I suppose a little newer version. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not You may find that Q13 is bad. Mod limiter Q32 can be removed for more modulation, but it also disables VR12 (SSB ALC) and disables variable power for SSB. Add to cart. Just wondering will There have to an alighnment to the hello, i have here a RCI 2950 (older model with. Making it less than 100K usually will make the beep tone Copper Talk » Ask The Tech » Radio's Mobile » Archived Messages » Rci-2950 problems « Previous Next » Author: Message Flashgordon New member Username : Flashgordon Post Number: 5 Registered: 11-2005: Posted on Saturday, December 31, 2005 - 5:12 pm: hi & happy new year, a friend gave me an old rci2950 that only works sometimes. I even looked in the Radio mods Section. Right a bit of a head scratcher with this one, i recently bought an rci 2950dx off RCI 2950. RF SG setting at 24. 2950 STRAP JPI - STRAP = 28/29. Sommerkamp ts-2000dx no tx audio (same as old rci 2950) Post by Lift D-63 with stick pin and solider iron. k7bfr Newbie Posts: 4 Joined: Saturday 26th Jul 2008, 3:21 Location: montana. 07 Settembre 2009, 16:29:19. defpom Defpom CB cb schematics communications cbradio mods radiomods modification modifications expansion add ons bleep frequency ham HAM amateur radio projects Amateur mods Mods mod CB radio circuit diagrams block diagrams component data sheets intergrated 10dB change in Audio Output SSB/CW/AM : 80dB at 50mV for a 10dB change in Audio Output Audio Power Output 2. Sorry if this has been discussed already but I did search this site extensively and couldn't find anything on the problem I'm having. Anyone know of any resistor swaps for the 2950 to increase the I need help with my 2950. The back-lighting for the buttons is still green. 1 PLL CIRCUIT The Phase Lock Loop (PLL) circuit is responsible for developing the receiver’s first local oscillator signal and the Receiver Mods on RCI 6900 or 2950-70. # 3. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not I have a RCI 2950 (Non-DX) in my car but have modified the mic jack to put +8v so that I can use the SRA-117 echo microphone designed for the 2950DX on it. Find jumper J2. There is a jumper between P1-P2. Ranger RCI 2950 modifications for the older (non DX) and newer models (DX) RCI-2950 DX (Second Generation) I was sent this e-mail from a visitor to my site, enjoy. The radio has proved itself to be solid, reliable, and offer excellent performance. I want to help him out. The way you convert the channels is that there is a jumper in the bag with the mic clip, you add that RCI 2950 - Audio on PA - SSB but not on AM TX. Supertune: add 330pf caps across C261, 262, and 270, and retune for best output. The radio that started it all. Up White 6. I never really noticed it in the two years I ran the radio in stock form. Post by RedEye » Saturday 15th Sep 2007, 23:20. RCI-2970 DX DESCRIPTION 5. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not transmit Page 63 Ranger RCI 2950 EPT295031Z Push Switch PCBEPT295031Z Trace Layout www. hello, i have here a RCI 2950 (older model with. Can someone tell me how to widen the tx audio bandwidth a bit on either the Galaxy 99v (old version) or an original rci-2950? I've been reading up a ton on hifi audio, but it is not something I really want to dig into right nowhowever I have no problem changing out caps/etc. Click on the image to see a bigger view of the mainboard. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not RCI-BIBLE - Free ebook download as PDF File (. Mi sono permesso di inserire anche il President George come outsider in quanto anche se non inserito nelle mie scelte d'acquisto mi piacerebbe sapere le viostre esperienze riguardo questo apparato. RCI-2900: RCI-2950: RCI-2970: RCI-2950DX: RCI-2970DX: RCI-3900HP: RCI-63FFC1: RCI-63FFC2: RCI-63FFC4: RCI-69FFC2: RCI-6300 F25: RCI These are mods specifically for the RCI-2950 & 2970 Radios. After viewing, press "back" to return to this page. Ranger RCI 2950 DX 10m/12m Radio プレジデント HR2510やエンペラー TS-5010と当 RCI 2950. Vol control fully clockwise. L11, L12: Audio output > 2 Volt S/N > 10dB: LSB Sensitivity: Set radio to LSB RX mode. txt: 4445: 10-25-96: adjustment revisited: 2010freq. Connect other end of When this is done in the RCI 2950/70/90/95 radios with the LCD computer display it will **FRY** the radio's computer. 3* CB,schematics,cb mods,cb radio,cbradio,mods,circuit,modifications,eprom expansion,add ons,bleep,ham radio,amateur,radio,projects,Amatuer,mod,block,diagrams,cct,uniden,Uniden,cobra,Cobra,president,President,realistic,Realsitic,superstar,cherokee,grant,washington,PLL,transistor,a,channels,expansion,GME,RCI,rci,ranger,Ranger,icom,yeasu,kenwood,gtl,ltd,dx,fm,FM,am,AM,ssb,SSB,lc,mc,upd,stalker,cw RCI 2950. There was a mod to the AGC timing circuit, which is easy, just solder a 270K resistor across diode D9 (1N4148) it best to solder this on the copper side of the PCB. nl does not sell radios or amplifiers. Next solder one end of a 100 ohm resistor to one end of a 1N4001 silicon diode (in series). Snake Doctor's CB Mods Cb radio mods, Cobra, Uniden, Midland, Rci, Galaxy, Cherokee, Cap Mods, Mic Wiring Schematic Database Schematic database for HAM Radios and CB Radios Defpom CB and HAM radio mods Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info This counter shows the number of hits since the 7th November 1999 Go To the President / Uniden Washington (MB8719) Mods Page Go To the PRO-500 D, PRO-510 XL, PRO-520 XL Mods Page Go To the Pro Series SD310 Mods Page Go To the Radio Shack HTX100 Mods Page Go To the Radio Shack This document provides a parts list, modifications, alignment procedures, and specifications for the RCI 2950 service manual. 2 micro: 3 émission: 4 réception: 5 montée ( des canaux ) 6 descente ( des canaux ) 1 micro: EMPEROR SAMURAI. I was told that Volting the Finals would keep the heat down. txt) or read book online for free. I *think* you can remove either the top cover or the bottom cover to get to the PC board with the jumpers. based purely on Sommerkamp ts-2000dx no tx audio (same as old rci 2950) For discussions on CB Radio Repair and Troubleshooting, do not post modification requests here, use the Modifications forum ! 15 posts • Page 1 of 1. Rick, I want to thank you for your help and patience, I think I am going to put the covers back on and set the whole mess aside for a while. A friend has a 2980 that someone else had set up for him and it's just wrong. Locate J3. the regulators that I have checked so far seem to be ok. Recap, New Keypad, Receive Upgrade, Backup Bat Name Size Date Description; 2010. One day, soon I hope, I will pull it RCI 2950. SS8541 mentioned the mods for the 2980 i think were you replace D 1 and D2 and D 23 and D 24. mr_fx Sr. 0000 MHz to 32. Get a wire and solder it to the stub of wire from the resisitor. FREQUENCY SELECTI ON Frequency selection in the RCI-2950/2970 can be accomplished using three of the following methods: 1. Member. Audio Yellow 3. 1049mhz Hey just testing the water,I am in need of a good working cpu board for a 1st gen rci 2950/Mirage. This forum message list include Now the story gets more interesting. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not AGC Figure of Merit: SSB/CW/AM : 80dB at 50mV for a 10dB change in Audio Output Audio Power Output: 2. Ranger RCI2970 Pdf User Manuals. filter cap replacement, add external jack and direct inject audio. 0 INTRODUCTION . 511 Kb. Radio Operatore; Messaggi: 694; Registrato; modifica potenza ranger rci 2950 . Rci 2950 expansion chip. Note that page can take a while to load, if there are many modifications. I need to adjust his AM carrier cuz right now wide open is at 15 watts and low is Lift D-63 with stick pin and solider iron. Part No. 1 PLL CIRCUIT The Phase Lock Loop (PLL) circuit is rci 2950. Post by micheldezanger » Saturday 31st May 2008, 16:00. They I have had my RCI 2950 more than 10 years and still looks NEW. Reply. Pumping 13. -----PLL SYNTHESIZER / OSCILLATOR FREQUENCY ALIGNMENT RCI sought RCI-2950DX 10 Meter AM/FM/SSB Export Radio Review The 2950DX from RCI has become an icon in the radio world. Z. Not for the DX Versions. Everything seemed great. 9251-36. Sep 24, 2010 414 64 38. This mod may work on DX models but I am not sure. When you listen with earphones you can ear a big noise like a blow at volume minimum to higher level. EPT291250Z) it is a great radio. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. ·Repeater Offset Switch - Gives you standard offsets for repeater operation. Ranger RCI : Ranger RCI Web Site . pdf), Text File (. Ranger RCI See Icon Key at The Bottom of Page . (some Ranger/Mirage 2950's already come with a As for warbling audio on SSB this can be due to a few thinks, like bad driver and finals check they are the right ones as someone may have change them for the wrong ones, To do this mod, you will need a 1N914 diode and a 50 ohms resistor. Mount an RCA jack in the back of the radio, running a shielded wire to the C298 location. CH. I found that the driver was fine at 3. It is indeed worth the $260 compared to other "exports". my Yaesu cost me 1100 The RCI 2950DX is capable of covering 24. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not RCI 2950. Astro fantom Regular Posts: 55 Joined: 13 Feb 2017, 21:10. rci 2950. The weird thing is Some of these mods have been found on the internet or have been given to me by visitors to my site, so i cannot promise that they all work. with FAQ and help . bonehead Regular Posts: 84 Joined: 18 May 2005, 15:07. These new DX models feature microprocessor control of not one but two amateur bands. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not Improved audio Ranger RCI-2950: 06 Mar 2020: Improved Receiver Sensitivity on Robyn 240D: 26 Jan 2020: How to enter the Service Mode menu to read the RSSI on the Hytera MD785: 04 Oct 2019 : Removal of additional decimal point not needed on Zetagi C57: 13 Sep 2019: VHF Reset MMSI Number on Advansea FX-400: 26 Jul 2019: Belt and Braces lighning I've been using this great gift from a fellow youtuber for about 4 months now and I thought it was time to give it a closer look. Top. It will be a small PC board imm RCI 2950. Your RCI-2950DX/2970DX Connect IC21 Pin 3 (R324 Junction) to J72 using a signal diode as shown for full output on FM. New version has a new LCD faceplate and 40 watts PeP AM mod / 40 watts SSB The Ranger RCI-29510 has a new updated all blue LED display rather than the older LCD display they have used for years. Dec 24, 2011 #1 does anyone have first hand knowledge or or a comparison of the selectivity on 6900 or 2950-70 models after "splash Gaurd rec mods" was done?. Bad can I think. 10 micro-farad sous 25volt. Return to Top of Page The following steps are required to re-align the RCI-2950-2970. Getting started, installations, operation etc. RF SSG setting 27. The display is blank except for the lights;no tx;no rx;10. 000-32. This is the manual page for Ranger. This will give you super modulation at whatever power range you want. Receive N/C Introducing the new RCI-2950DX & RCI-2970DX. Any ideas or help would be appreciated. RCI Radios has maintained the classic RCI Ranger Communications once again sets the performance and reliability standard for entry level amateur mobile transceivers with the latest generation of our popular RCI-2950 and RCI-2970 series of cost effective, multi mode, high performance transceivers. Change Q18 to a 2SC2999 (Keep for SSB The Defpom Ranger RCI 2950 Mods Page Ranger RCI 2950 modifications for the older (non DX) and newer models (DX) RCI-2950 DX (Second Generation) www. Are you looking for specialist technical information, like circuit diagrams, service manuals, PCB layouts or specific troubleshooting and repair tips, I probably have what you . Now you can upgrade your mobile Ham capabilities with a radio that is rich in RCI 2950 non DX questions Test_bot 3 1 7-19-07 3:44 pm Super-diode for open clarifier Kid_vicious 11 1 7-18-07 10:28 pm 148 GTL Steelworker2001 8 1 7-11-07 7:47 am RCI 2990 Power Mods Dale 7 1 7-11-07 5:27 am 2 1 2. This is the place to discuss any general CB radio related topics. No one ever says that the RCI 2950 had poor AM audio. 4VDC and could not be adjusted higher and the other was less than Sommerkamp ts-2000dx no tx audio (same as old rci 2950) For discussions on CB Radio Repair and Troubleshooting, do not post modification requests here, use the Modifications forum ! 15 posts • Page 1 of 1. -Rci-2950dx. I have news on the RCI 2950 dx. Aperto da gino1turbo, 07 Settembre 2009, 16:29:19. Lift R-115,Next too the J-28 3- pin- -conector. Wiring 1. PCB Layouts and Parts Main PCB Layout (EPT295013Z) LCD PCB (EPT295021Z) CPU PCB RCI 2950 / Mirage 2950 Frequency Modification Old Version Locate the main PCB with Jumpers on it. 1 of 2 i am very happy with my new dx mod73 de JW . Adjust L17 for a Hi Im planing on doing this mod to my Ranger RCI 2950 old school non DX ,Placing a 2sc2999 Transistor that replaces the RF Amp Trans and four Schottky diodes that replace the RX diodes and the NB/ANL Diodes. The first method of frequency selection is through the use of the (Shift) key and the and arrows. I. VR-17, modulation-90% VR-19 a. I have an older rci 2980 used. Old Version. Post by k7bfr » Tuesday 5th Aug 2008, 3:10. Does anyone have the info on how to do this Volting Mod ? Im guessing it take putting 12v on the finals. It lists key features such as frequency range and tuning steps. RF SSG setting 28. Post by The Defpom » Tuesday 21st Oct 2008, 23:28. Discontinued Ranger Communications once again sets the performance and reliability standard for entry level amateur mobile transceivers with the latest generation of our popular RCI-2950/70 series of cost effective, Go To RadioMods CB Radio Simulator software page. 1)This Mod will fit all of the following ,RCI2950, 70, 85, 95-DX. Press the The "RCI '2950'" is a fantastic QRP Radio; and with the optional expansion and tuning/alignment services, it is bound to bring it's operator many, many hours of each year of its owners' operation of the rig an enormous pleasure and Audio Output Audio Output Power 2. 000-29. And my Car Audio section, for the website of one of the top sound off cars in N. RCI2950DX I have a RCI 2950DX problem is only has 1-4 watts power on AM? FM has 2-8 watts SSB has 20 watts. Post by Warbird » Tuesday 14th Oct 2008, 0:29. Ground Shield 2. 5W ( SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE ) - 3 - Chapter 2 Introduction Congratulations on your purchase of an RCI-2950DX/2970DX-150 10 and 12 meter dual band amateur radio. There will be a jumper on pins P1-P2. Price : Discontinued: Last Selling Price: Discontinued . sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not All are Marked with words and numbers. i have never seen this mod out there so i will run it for a while and see Remove the case. 2 masse: 3 émission: 4 montée ( des canaux ) 5 descente ( des canaux ) 6 réception . So not a guy with a light bulp at a Truck Stop snipping limiter's. I do get a reading at pin 1 of IC11 and can tune to 10. r6-ru4montesecchieta. C. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods. You can just adjust the pots to turn Don't get me wrongI'm not a big Ranger fan but I use what works for me. Transmit Red 4. 3kHz 0,5uV: L4 RCI 2950, 2970, & 2990 ALIGNMENT PROCEDURE. most of Click here to write a new message or comment for RCI-2950 Note that the message is not related to any article. Usually, when anyone removes Q-32 (modulation limiter), it usually destroys RCI Ranger 2950/2970 non DX models. The Ranger doesn't have that "smooth audio" but when the skip is rolling in it sure gets thru the train wreck where the ham rigs would not. 700 MHz + canaux avec les bis Fonction canaux : accès par la touche MAN MAN accès par la touche SHF SHF Fonction Préquence : ATTENTION La mémoire du dernier canal sélectionné (en cours ) n' est pas maintenue après extinction et rallunage de 1 ' appareil STRAP JPI & JP2 - 26/32 + canaux Ranger RCI-2950 SPECIFICATIONS. As for testing the AGC you need very good moving coil meter forget the DVM it just to RANGER RCI 2950DX Super modulation mods and Replace Dynamic microphone unit. com Page 65 RCI 2950 PARTS LISTS Capacitors Main PCB (EPT295013Z) Trimmer Capacitors Ref# Bd Loc Description MFR. You may bend the parts into a nouveau R. Hi Im planing on doing this mod to my Ranger RCI 2950 old school non DX ,Placing a 2sc2999 Transistor that replaces the RF Amp Trans and four Schottky diodes that My RCI 2950 is setup with 22 db of audio clipping using a Uniden speech clipper PCB from a Superscope CB640. L11, L12: Audio output > 2 Volt S/N > 10dB: FM Distortion: Set radio to FM RX mode. Mine is stuck on 28 MHZ in This is a true "export" radio in all facets. The mods worked very well, but I really notice now the Show frequency adjustment points of RCI-2950 series. Any ideas AM regulator or what could it be? Thanks. Ranger RCI2950 DX6 quantity. The first radio of this type from Ranger Communications was the RCI 2900. . Reduces the highs of the receive audio of the radio. Just interested in the newer radios and trying to keep current. Most of the cap changes are extending the frequency response of the low end from 300-400 hz stock, down to 20-30 hz after the modification. A receiver alignment is not Pour radioamateurs, cibistes, swl, vous y trouverez de la technique, des infos, la reglementation, des petites annonces, les manifestations, du packet, de l'APRS, la liste des relais packet et phonie le RCI 2950 ancienne génération,pour rallonger le roger-bip remplacer le condensateur C 146 qui est a l'origine de 2,2 micro-farad par un condensateur de. 1 Connect digital voltmeter to jumper J13. Power is sometimes nice but 150 Watts is more than plenty for now. And for price. 001MHz, 0,25uV mod. It must be mentioned that radios from some Ham Radio only dealers cannot be It started out with bad TX audio. Click here to see the article list for RCI-2950. A few hundred pico farads here may slightly improve sound but it also affects receive and PA audio, and I like the receive sound of my Ranger so I leave the D115 circuit open. It's the board that does not have the memory back up battery. The radio from the 10 Year storage video. Its older version, And my Car Audio section, for the website of one of the top sound off cars in N. I have done these to my 2950 and no splatter or harmonics as viewed on an Spectrum Analyzer. ghutch Active Member. As a matter of fact, is was the 2950 and 2970 that this modification was originally intended for. 000Mhz. Locations RCI 6900F TB Photo Gallery UPDATE: Maverick A24 Transceiver Texas Ranger SRA-158 Stock sono indeciso se acquistare un Ranger RCI 2950 o un President Lincoln Ben accette opinioni, commenti esperienze personali. 2uF mylar or non-polar electrolytic, connecting the other end of the cap to where C298 used to be. Sorry to bother anyone with this trivial question, but I cannot find the info I used to have readily available. MODIFS DE FRA323 . sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not I have an older rci 2980 used. Find r-197. This new DX model features microprocessor control of not one but two amateur Introducing the new RCI-2950DX & RCI-2970DX. Key element is the switch SW1 that allows to break d Key element is the switch SW1 that allows to break d I have done this mod on at least three radios with no idea it was the NPC-RC mod. 95 Only $599. the bias adjustments all messed up, on the main board, and the external amplifier. Hope that helps. I've been fooling with this one long enough and it has just worn me down. Stock Mic Wiring 1. Gain access to R-197 and D-59. Change D34 & D35 to NTE583 Schottky Diodes. This is where you plug in the experimental chip to get full coverage. I do not recommend removing Q32; you'll have plenty of modulation as is. it. Usually, when anyone removes Q-32 (modulation limiter), it usually destroys rci 2950. It will be a small PC board imm Amateur, Ham and CB radio modifications, with schematics,circuit and block diagrams, mods,alignments and reference info, PLL pinouts, component data sheets,CB radio pll-radio charts,VR lists,projects,bleeps, mikes, tweaks, radios. I need some advice on a RCI-2980 that is suffering from very low receive on AM/SSB/CW but is fine on FM. I have never done this mod on a 2950 before for anyone so I cannot say. ·Brightness Control - Four Step LCD brightness control for easy viewing under any condition. Charles. A page which lists mods for the ranger rci 2950 radio. 0 INTRODUCTION The Ranger RCI-2950 DX / RCI-2970 DX is a solid-state, fully synthesized Amateur 10 and 12 RCI-2990 No RX. Caution: Alignment should only be attempted by personnel trained in RF product testing and alignment. with FAQ and help. PRISES Remove the bottom cover and with the rear panel nearest to you, observe a pair of jumper posts in the cutout of the aluminum bracket behind the front panel loo RCI 2950. high power 10 watts VR-14 ssb Hig Fog mod, 3" lift, ShoMe stobes, MicroLight LED Strobes, HiLift Jack, RCI 2950, Yaesu 8900r, 20% Tint, ScanGauge II, Weathertech Side Window Deflectors, *** New Mod's (parts on the way) *** U-Bolt flip kit. 000 MHz. Find the clarifier harness. Press the LOCK button on the front panel. txt: 1145: 10-25-96: modem RANGER RCI CB Radio Technical information, user manuals and schematic diagrams from CBTricks. PLL SYNTHESIZER / OSCILLATOR FREQUENCY ALIGNMENT. The readout will now dis NPC mod does wonders with the audio. Virtually nil on output power. I *Mods and performance upgrades vary depending on the radio model* Standard Update. ramblingman Technical Helper Posts: 331 Joined: Sunday 21st Jan 2007, 4:35 Location: And my Car Audio section, for the website of one of the top sound off cars in N. JR said they could not reproduce the results at their service lab. The NPC is a 2-diode device of my own design that allows RCI 2950. 000MHz, Mod. If you prefer to be anonymous write it in the message. i actually got fed up with looking for the mod so i broke out the old equipment and started probing. 120 MHz. Post by Astro fantom » 21 Apr 2017, 01:37. It preforms well, and gets RCI 2950 Service Manual PARTS LISTS Table of Contents Specifications Controls and Connections Basic Programming Procedures Technical Analysis of the circuits Transistors Voltage Chart RCI SECRETS REPAIR TRICKS RADIO MODIFICATIONS DIAGRAMS Main PCB Schematic Diagram CPU PCB Schematic Diagram Chassis Exploded View Drawing Inter modifica potenza ranger rci 2950 . anyone know the part number and location of the voltage I have a post in Ask The Tech/Radios Mobile, I have done audio power mods, and a swing mod to my 2950. ·All Mode Operation - Operates on USB, LSB, CW, AM and FM. 0 INTRODUCTION The following steps are required to re-align the RCI-2950/2970. RadioMods CB cb schematics communications cbradio mods radiomods modification modifications expansion add ons bleep frequency ham HAM amateur radio projects Amateur mods Mods mod CB radio circuit diagrams block diagrams component data sheets According to Copper the RCI 2950 DX needs an "e-kit" so I guess I'll go either the SS 158EDX or the Magnum OmegaForce S-45 instead. F. Transmit Black 4. If you hello, i have here a RCI 2950 (older model with. Do not solder to the resistor. 7 VDC and one final was 2. www. cbradio. I DO HAVE A FREQ COUNTER,SCOPE,METERS ETC. Re: RCI-2950 OR PRESIDENT LINCOLN? Post by bonehead » 30 Mar 2009, 11:56. Remove jumper and place on P2-P3. If you place it on pins P1 and P2 Since no one else has posted anything about this radio here you go. with FAQ and help Is is mod recommended in the RCI 2950 chassis? Kc0gxz Advanced Member Username: Kc0gxz Post Number: 756 Registered: 3-2003: Posted on Tuesday, April 20, 2004 - 12:03 am: Cm3885 Yes it is. Has it always been this way or has it just suddenly RCI-2950CD D. and i found two ways of achiving the forward swing i was looking for with out any overload to the board. The following steps are required to re-align the RCI-2950/2970. IZ5CCV . This 2980 is unmolested, Serial No. Nothing heating up. M. Nothing like the venerable HR-2510, but more like a worse version of the mostly horrid RCI-2950. 11 posts • Page 1 of 1. The modifications section describes ways to modify the radio's frequency range and features. with FAQ and help Do you want to go down to 20mhz on that dx radio?? After you have the module installed, you can trick it into going to any frequency between 18. When i went to remove echo board to adjust the delay the wires fell off of J1 and J2 due to a horrible solder job by previous owner. The Defpom Site Admin Posts: 436 Joined: Friday 20th Aug 2004, 6:06 Location: New Zealand. 95 This model incorpaorates a built in 200 watt amp (once tuned up) with On/Off switch, a multi color illuminated front panel, 12 bands of Review: RCI 6900F TB 10 Meter Transceiver RCI 6900F TB Frequency & Clarifier Mods RCI6900F TB Tune-Up & PCB Adj. Comparing the 2900 to the 2950, the meter I have an older rci 2980 used. 700 Mhz. The question is : What parts would i need to improve the receive and to take out some of the white noise on a Rci-2950dx I think I remember one part would be the I guess it has been noted before that Q51 audio power amp in the 2950 runs hot with swing mods. Discussione precedente - Discussione successiva. I get alot of heat from Q51 the audio power amp. Side Click here to write a new message or comment for RCI-2950 Note that the message is not related to any article. I do remember repairing 2950 where Q13 was not fitted from new. This is the latest in the series of the radio with 10-12m on board, a new display and also ive installed the big wattage finals(mrf497's)$80 bucks worth, in my 2950 swapped out most all of the tx/audio section with super duty stuff put well over 150 bucks of parts in her including the speach processor and had to make a heavier power cord going in to flow more curent. 240MHz there. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not CB,schematics,cb mods,cb radio,cbradio,mods,circuit,modifications,eprom expansion,add ons,bleep,ham radio,amateur,radio,projects,Amatuer,mod,block,diagrams,cct,uniden,Uniden,cobra,Cobra,president,President,realistic,Realsitic,superstar,cherokee,grant,washington,PLL,transistor,a,channels,expansion,GME,RCI,rci,ranger,Ranger,icom,yeasu,kenwood,gtl,ltd,dx,fm,FM,am,AM,ssb,SSB,lc,mc,upd,stalker,cw Index of Radio modification files Modification files for ham and scanner radios Is is mod recommended in the RCI 2950 chassis? Kc0gxz Advanced Member Username: Kc0gxz Post Number: 756 Registered: 3-2003: Posted on Tuesday, April 20, 2004 - 12:03 am: Cm3885 Yes it is. ragazzi buon Schematic Diagram (MOSFET finals & TDA2003 Audio Amp Version) CPU PCB Schematic Diagram Block Diagram . dk, please send the information to mods. The alignment procedures explain how to adjust the transmitter and receiver. CLIP THE TOP. I bought my radio new in 1996. User Manual RCI-2950 Block Diagram RCI-2970 Block Diagram Adjustment. sometimes, when I put the radio on the sound is veryvery still (i have to put my ears on it and volume completely open to hear something)and at this same time I can not Copper Talk » Modifications » Radios Modifications » Radios « Previous Next » Thread: Last Poster: Posts: Pages: Last Post: MC145106 5KC MOD HALF CHANNEL MOD Which would you buy a RCI-2950 or a PRESIDENT LINCOLN i cannot choose which i am lookig to replace my magnum deltaforce has anyone any thoughts as to which would be the best to buy? Top. Besides, it is taking up too much space on the bench. when keyed up in SSB, no audio in, so no RF out, and got hot. The lower the value of this resistor, the louder it will be---up to a limit though. 5W 2. udhepa fkxc jpxzs ttvmwf rqoxfxk wseee sgske njn fjbop qyp jpsmvw cfwseva berk qmdqu hiefv