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The Jog Dial (JD) and Shuttle Dial (SD) switches on the machine body do not work! On the remote control, these switches JD, SD work normally. I disassembled the VCR and checked the switch JD, SD in detail - it is good. I checked the passage of the signal to the IC750 pins from the switch - there are signals and they come to the IC750 pins, but there is no reaction. All other functions work normally. I ask for your help, what else should I check? Maybe there are some protective modes that disable the switches JD, SD on the VCR body? for example, child protection is enabled...
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