Question about Ranger Radio Communications
No its the audio chip that has shorted out its mounted on the center middle of the radios circuit board, and the radios side chassis is the heat sink,open it up and when it starts to get hot and motor boat/machine gun,spray it with circuit board chiller(available at any electronics parts dealers)and see if it ceases,also spray any nearby capacitors and the board too as if a cap gets hot in this circuit the thing will either short or go open and chilling these components will heal them till they get hot again,then just replace the suspect component
Posted on Jun 07, 2011
The noise comes from the power supply.It is a static sound that comes from the voltage out put of the transformer...this static is suppose to be filtered by the capacitor..replace this capacitor with the same rating and value riffle DC voltage happens when this capacitor is faulty...good luck
Posted on Jun 05, 2011
Posted on Jun 04, 2011
This problem comes froma faulty CPU or MCU board. You may needto replace it. If the buzzer is constantly making a noisewhen the radio is in AM, FM and CW but will not change frequency when FrequencySelector is moved and the Up Down functions buttons work OK Then the frequencySelector needs to be replaced.
Posted on Jun 04, 2011
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Posted on Jan 02, 2017
Tips for a great answer:
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Connect one end of your coaxial cable to the output port on your SSB
Transmitter. Connect the other end of the cable to the coaxial input port on
your RF demodulator.
Connect one end of your 1/4 inch audio cable to the audio output port on
your RF modulator. Connect the other end of the audio cable to the audio input
jack on your amplifier.
Turn on your SSB transmitter, RF modulator and amplifier. Adjust your
SSB transmitter modulation by adjusting the knob on your RF
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