Read Sony D-F21 / D-F22ST / ICD-BP220 Service Manual online
12
D-F21/F22ST
Pin No.
Pin Name
I/O
Pin Description
51
BASS1 O
O
Not used. (Fixed at “H” in this set)
52
BASS2 O
O
Not used. (Fixed at “H” in this set)
53
LCDREQ O
O
LCD display request signal output
54 – 64
SEG10 – 0
O
Not used in this set. (Open)
65 – 68
COM3 – 0
O
Not used in this set. (Open)
69 – 71
V3 – 1
O
Not used in this set. (Open)
72, 73
C1, 0
O
Not used in this set. (Open)
74
CDWP I
I
WAKE-UP control signal input
75
ICTEST
I
Test pin for IC. (Fixed at “L” in this set)
76
—
—
Not used. (Open)
77
—
—
Not used. (Fixed at “L” in this set)
78
RESET I
I
System reset signal input from power control IC. (“L”: reset)
79
XIN I
I
System clock signal input
80
XOUT
O
Not used in this set. (Open)
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