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Copper Talk: RCI 2990 Power Mods - Copper Electronics
http://www.copperelectronics.com/discus4/messages/3847/100486.html?1184146058
I am wondering if I can get anymore out of this radio and how do I preform any mods that would get the 150 to 200 watts I hear these things are capable of. This is an original RCI-2990 with the orange lit background for the freq. counter and meters. Dale Advanced Member Username: Dale Post Number: 968 Registered: 12-2002
RadioMods Ranger 2950,2970,2990 Alignment Page
http://www.radiomods.co.nz/alignments/rangeralignments.html
RCI-2970 LEVELS ARE SHOWN IN [ ] 3.1 Connect an audio generator to pin 2 and ground (pin 1) of the Mic connector. The Mic gain should be fully counterclockwise. Set generator for 30mV RMS., 1 kHz sinewave. 3.2 Adjust VR14 fully counterclockwise. 3.3 Adjust VR12 fully counterclockwise. 3.4 Connect a wattmeter and 50 ohm dummy load to the antenna connector.
RCI 2990 Mod List? | RadioReference.com Forums
https://forums.radioreference.com/threads/rci-2990-mod-list.303830/
Does anyone know of a link that has all of the mods available for the RCI-2990 (non DX)? Menu. RadioReference. Your Account Database Wiki Broadcastify Live Audio Help / Contact. Forums. New posts Search forums. What's new. New posts New media New media comments New listings Latest activity. Media. New media Search media. Classifieds.
rci 2990 low modulation | WorldwideDX Radio Forum
https://www.worldwidedx.com/threads/rci-2990-low-modulation.26116/
The 2990 uses high-level modulation, injected directly into the collector of both the driver and the finals. The modulation output is from a heavy-duty, DC-coupled PNP power transistor circuit where one transistor directly drives the main output transistor.
RCI-2990 no receive audio. Audio amp turned into a ...
https://www.youtube.com/watch?v=hN1ifBtNgxc
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RCI-2990 swing mods - YouTube
https://www.youtube.com/watch?v=hKCEJJ654O0
Swing Mod This will give you max peak power at any position of the RF Power knob.Lift the opposite end of R281 that feeds to VR13 and solder a 1N4148 Diode i...
RCI 2990 Help - CB Junkies CB Radio Forum for the cb and ...
http://www.cbjunkies.com/threads/971-RCI-2990-Help
RCI 2990 Help. Hello everyone. I did a favor for my neighbor and he in turn gave me this RCI 2990 witch I thought was 2990dx that use to belong to a friend of his. Anyway the radio only does about 40 watts on AM and 100w on SSB. The faceplate had the entire writing wash out. like somebody clean it with some solution that erased all the lettering.
RCI-2950DX Mods Alignment Procedures - Radioaficion
https://radioaficion.com/mods/rci-2950dx-mods-alignment-procedures/
Turn off the audio modulation of the RF generator, and change it’s frequency to 28.296 at an RF carrier level of .5 µV. Set radio to USB RX mode. Adjust L11 and L12 for audio output greater than 2V. 5. LSB Sensitivity: Keep the audio modulation of the RF generator off, change frequency to 28.294 at an RF carrier level of 1mV, set radio to LSB mode.
Copper Talk: Modifications
http://www.copperelectronics.com/discus4/messages/34/4812.html
RCI 2990 Mods: Ham1bone: 3 : 1 : 2-19-02 3:53 pm: Ranger 6300 FTB Turbo Mod's: Wheelhorse424: 1 : 1 : 2-14-02 12:01 pm: Question about the Alan 9001: Viking: 4 : 1 : 2-07-02 2:31 pm: Voyage VR-9000 talkback 307/tech 181: Jyd: 2 : 1 : 2-04-02 1:05 pm: Another radio with missing limiters. Mrblack: 3 : 1 : 2-03-02 2:32 pm: Swing for a Cobra 148 F Gtldx+. …
RadioMods Ranger RCI 2950 Mods Page
https://www.radiomods.co.nz/ranger2950mods.html
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. I have news on the RCI 2950 dx. The way you convert the channels is that there is a jumper in the bag with the mic clip, you add that jumper to the block behind the face plate, put ...
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