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Rci 2950 no audio period rx or tx

I have replaced the audio chip, all the regulators and even the transmit receive transistor, I believe it is tr 38, radio has carrier, but no receive signal on meter.

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  • Anonymous May 25, 2009

    I have the same problem only I know its not the speaker or anything cause I hear the speaker "thump" when I turn ther cb on

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  • 86 Answers

Check TR38 I have seen caps in the circut
go bad more then once if you have a schematic you should be able to find it if one
is bad,a capasator meter would help but you
can check them with a ohm meter.
Good luck.

Posted on Sep 16, 2009

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I need the wiring code rd104e mic to a rci 2950 dx 6 pin


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Ranger rci 2950 will not transmit


have you tried it on all bands? still won't transmit?take it to a tech so they can fix it properly.

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I had a Realistic Navaho TRC-458 Given to me it will transmit but not receive what could be causing this


Alot of problems could knock out the recieve in these radios, from audio amplifer failure to a bad tr-5, i would check or replace TR-5, these are famous for going bad! replace TR-5 with another good transistor of the same type and number! :-)

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Rci 2950 no transmit


check your mic cord to see if you have a broken wire on the inside.You might want to get another mike for a spare but it could also be an audio transister.

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I have a RCI 2950 comes on keyed up and stays keyed untill you turn it off. I have replaced the auto amp, all voltage regulators and the black diode with yellow strip below mic plug with no change. I need...


i have the same radio rci 2950. Ive had the same problem with mine,turns out with mine the processor would lock up,turning the radio off & on repeadly would clear the problem and the radio would work fine x-mit & recieve. the solution to fixing the problem is to replace the memory backup battery this battery works similar to a computer motherboard cmos battery when this battery goes dead all sorts of strange things happen to the radio wont transmit wont recieve or like your problem transmits continiously. the problem with replacing this battery is finding out what year & model your ranger 2950 is. the internet says only first generation ranger 2950s use the battery second genration & third generation do not use the battery. but the internet could be wrong. so i suggest getting a hold of (usa ranger.com) & give them a phone call or email and ask them about the year your radio was made. they may even service it for you or if you are electronic savvy you can do it yourself. the battery is located close to the main cpu on the front panel if yours uses a battery.

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WHEN U KEY UP IT WONT TALK


Do you have receive? If so you might have blew the voice chip. If you don't have receive or transmit you most likely blew those final transistors.

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2 Answers

My ranger 2950 wont transmit or receive sounds like a relay problem but dont no for shour can you tell me what is wrong with that radio thank you.


could be a number of different problems causing this. I would start with your microphone make sure it is working. it is responsible for transmit & recieve. next check to see if the memory battery is dead this will also cause this problem. next check the regulators in the radio to see if they are supplying voltage.next check voltages in different parts of radio to see if all stages are recieving power follow these steps and something will show up also check your switching diodes to see if they are bad the diodes responsible for x-mit & r-mit of transceiver.

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I removed my Roger Beep from my Eagle Sidewinder 400, It still receives but will not transmit. What do I have to connect back up for it to start transmitting again? I'd be Thanking you for any help.....


If the radio is not going into TX, then you have not connected the TX line back up,

If there is no audio when you TX you have left the audio wire off.

The radio usually needs 4 wires.
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Please send me Canon Ir all model Error code. How can solve it?


Error codes for iR2016i,2020i for other machines codes you need to get the specific manual, these manuals can be downloaded from Ebay, look for user ID ultimate_sacrifice A seller on Ebay.
No. Tx/Rx Description
##0100 [Tx] at time of transmission, the procedural signal has been transmitted more than
specified.
##0101 [Tx/Rx] the modem speed does not match that of the other party.
##0102 [Tx] at time of transmission, fall-back cannot be used.
##0103 [Rx] at time of reception, EOL cannot be detected for 5 sec (15 sec if CBT).
##0104 [Tx] at time of transmission, RTN or PIN is received.
##0106 [Rx] at time of reception, the procedural signal is received for 6 sec while in wait for the
signal.
##0107 [Rx] at time of reception, the transmitting party cannot use fall-back.
##0109 [Tx] at time of transmission, a signal other than DIS, DTC, FTT, CFR, or CRP is
received, and the procedural signal has been sent more than specified.
##0111 [Tx/Rx] memory error has occurred.
##0114 [Rx] at time of reception, RTN is transmitted.
##0200 [Rx] at time of reception, no image carrier is detected for 5 sec.
##0201 [Tx/Rx] DCN is received outside the normal parity procedure.
##0220 [Tx/Rx] system error (main program out of control) has occurred.
##0232 [Tx] encoding error has occurred.
##0237 [Rx] decoding error has occurred.
##0261 [Tx/Rx] system error has occurred.
##0280 [Tx] at time of transmission, the procedural signal has been transmitted more than
specified.
##0281 [Tx] at time of transmission, the procedural signal has been transmitted more than
specified.
##0282 [Tx] at time of transmission, the procedural signal has been transmitted more than
specified.
##0283 [Tx] at time of transmission, the procedural signal has been transmitted more than
specified.
##0284 [Tx] at time of transmission, DCN is received after transmission of TCF.
##0285 [Tx] at time of transmission, DCN is received after transmission of EOP.
##0286 [Tx] at time of transmission, DCN is received after transmission of EOM.
##0287 [Tx] at time of transmission DCN is received after transmission of MPS.
##0288 [Tx] after transmission of EOP, a signal other than PIN, PIP, MCF, RTP, or RTN has
been received.
##0289 [Tx] after transmission of EOM, a signal other than PIN, PIP, MCF, RTP, or RTN has
been received.
##0290 [Tx] after transmission of MPS, a signal other than PIN, PIP, MCF, RTP, or RTN has
been received.
##0670 [Tx] at time of V.8 late start, the V.8 ability of DIS front the receiving party is expected
to be detected, and the CI signal is expected to be transmitted in response; however,
the procedure fails to advance, and the line is released because of T1 time-out.
##0671 [Rx] at time of V.8 arrival, procedure fails to move to phase 2 after detection of CM
signal from caller, causing T1 time-out and releasing line
##0672 [Tx] at time of V.34 transmission, a shift in procedure from phase 2 to phase 3 and
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