Sony ICF-CD820 - Page 23

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Pin No. Pin Name I/O Function
60 KEY IN4
I Key input terminal RADIO SLEEP key input (S404)
61 KEY IN5
I
Key input terminal TIME SET/TRACK + + key input (S405)
62 KEY IN6
I Key input terminal ALARM A key input (S406)
63 KEY IN7
I
Key input terminal CD ( P key input (S407)
64 KEY IN8
I
Key input terminal TIME SET/TRACK – = key input (S408)
65 KEY IN9
I Key input terminal TRACK/CLOCK key input (S409)
66 KEY IN10
I Key input terminal OFF ALARM RESET key input (S410)
67 KEY IN11
I Key input terminal SNOOZE/SLEEP OFF key input (S411)
68 RESET I
System reset signal input from the reset signal generator (IC402) “L”: reset
“L” is input for several 100 msec after power on, then it changes to “H”
69 S0 O
Segment drive signal output terminal Not used (open)
70 to 80 S1 to S11 O
Segment drive signal output to the liquid crystal display (LCD901)