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My Pioneer TX-1070 Digital deck tuner Problem

Hello.
i have a problem with the my TX-1070 deck tuner. The dial works and knob spins, the digital readout change. Manual scan ok ,but autoscan position not receive.. All time frequency readout running but not receive.. What is the problem?
Best Regards
Safak.. (ta2cj)



TX-1070

COULD BE VERY SIMPLE...1 OF THE SCAN BUTTONS STUCK ON.....CHECK BUTTONS ON PCB FOR S/C ACROSS THEM....
REGARDS MADI