Read Sony CDX-GT290EB / CXS-2969F / CXS-29FQ Service Manual online
CDX-GT290EB
25
Pin No.
Pin Name
I/O
Description
71
AREASEL1
I
Destination setting pin 1 (Fixed at L in this set)
72
AREASEL0
I
Destination setting pin 0 (Fixed at L in this set)
73 to 80
NCO
O
Not used. (Open)
81
RE-IN1
I
Rotary encoder signal input 1
82
RE-IN0
I
Rotary encoder signal input 0
83
NCO
O
Not used. (Open)
84
CYRIL_SEL
I
Cyril correspondance discrimination signal input (L: No correspondance)
85 to 88
NCO
O
Not used. (Open)
89
NCO
O
Not used. (Open)
90
NCO
O
Not used. (Open)
91
KEYACK0
I
Key acknowledge detect signal input (Rotary commander)
92
KEYACK1
I
Key acknowledge detect signal input (Front panel)
93
VSM
I
S meter voltage detect signal input
94
KEYIN1
I
Key signal input 1
95
KEYIN0
I
Key signal input 0
96
AVSS
―
Ground for A/D converter
97
RC_IN0
I
Rotary commander key signal input
98
AVRH
―
A/D converter external reference power supply pin (+3.3 V)
99
AVDD
―
A/D converter power supply pin (+3.3 V)
100
LCD_CE
O
Liquid crystal display panel chip enable signal output
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