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Pin No. Pin Name I/O Description
116 DOLON I/O
Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (valid at “L” input)
At normal mode: dolby on/off control signal output terminal (dolby on at “H” output)
Not used this function (open)
117 TAPATT
O Audio signal select control signal output terminal Not used (open)
118
NCO O
Not used (open)
119 VSS — Ground terminal
120 PW ON
O Main system power supply on/off control signal output to the BA4908 (IC671) “H”: power on