Read Sony CDX-3160 Service Manual online
– 20 –
Pin No.
Pin Name
I/O
Pin Description
49 – 63
LCD25 – LCD11
O
Not used.
64
LCD10
O
Not used.
65
TEST SW(LCD9)
I/O
Test mode direct settig input
66
BAND SW(LCD8)
I/O
Not used.
67
AREA2 SW(LCD7)
I
Destination setting pin
68
AREA1 SW(LCD6)
I
Destination setting pin
69, 70
LCD5, LCD4
O
Not used.
71
SELF SW(LCD3)
I/O
SELF SW input/LCD segment signal output pin
72
IN SW(LCD2)
I/O
DISC IN SW input/LCD segment signal output pin
73
L SW(LCD1)
I/O
LIMIT SW input/LCD segment signal output pin
74
D SW(LCD0)
I/O
DOWN SW input/LCD segment signal output pin
75
KEY-RETURN
I
Key return signal input pin
76 – 78
AD2 – AD0
I
Key input pin (A/D input)
79
AMP MUTE
O
Power amplifier mute signal output pin
80
CD CKO
O
CD serial clock output pin
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