It'* not so easy to check for a signal with a meter on your RCA'*, it will have zero DC volts, and the AC voltage will only read whatever signal you're playing through it. If you have no other speakers hooked up and you have a test tape or CD with a nice continuous sinewave on it, you can turn your volume all the way up and use a meter set to read AC voltages up to 2 volts and get a continuous read. The typical way to look for a signal on your RCA'* using an instrument, is to use an oscilloscope. Then you can just visually observe the waveform coming off the RCA'* and tell immediately if it'* a good signal, if it'* clipping, or if it'* distorting in some other way, indicating a failure somewhere in the circuitry.
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