Ok so here's the rub the Sea222 and tuner I installed today came off ebay, got the
radio and 1212B tuner cost a little over $500. I bought it to replace the Sea222 that came with the
boat and stopped working for no apparent reason and considering Sea wanted $600.00 to bench test the components and the final bill could go much higher considering what they had to do, replacing the
radio and tuner on ebay seemed like a good way to go. So prior to starting the
installation today I powered up the unit to see it was working, lights come on, and the radio goes through its test modes and the channel is displayed, so ZI figure good to go and move ahead with the complete
installation, once finish I sit down in the nav station and realize the display has gone dark, no sound, no nothing, this is the same thing that the other radio was doing, I took the housing off to check the
fuses all good and put a tester to the circuit board and have juice. I am pulling my hair out and haven't the slightest idea how to proceed. I am wondering by messing around with the unit if I have somehow put it into some kind of sleep mode, help her is appreciated.
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