This weekend since I had one laying around, I replaced the 691-PCB1-045 board with the 27 ohm resistor with a new one. Well the smoke started and it would have set a smoke alarm off!! But it did not respond the keys to turn on and off. Then I noticed the solder joints on the resistor were melting. So I turned the engine off. The soldier joints solidified. So it is time to replace the LCRU-2 board. Thank you for all of the advice and help!! Sincerely, Hank
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