Read Sony CDX-GT270MP / CDX-GT274MP / CDX-GT277ME / CDX-GT320MP Service Manual online
CDX-GT270MP/GT274MP/GT277ME/GT320MP
29
Pin No.
Pin Name
I/O
Description
65 to 74
NCO
-
Not used
75
MEC_SELFSW
I
Detection signal input from the CD section (self switch)
76 to 78
NCO
-
Not used
79, 80
DEBUG_1, DEBUG_2
O
Not used
81, 82
RE-IN1, RE-IN0
I
Jog dial pulse input from the rotary encoder
83
RE_ON
O
Jog dial pulse pull-up signal output terminal
84 to 90
NCO
-
Not used
91
KEYACK0
I
Acknowledge signal (wake up signal) input terminal for the rotary remote commander
92
KEYACK1
I
Acknowledge signal (wake up signal) input terminal for the front panel key
93
NCO
-
Not used
94, 95
KEYIN1, KEYIN0
I
Front panel key input terminal
96
AVSS
-
Ground terminal (for A/D converter)
97
RC_IN0
I
Rotary remote commander shift key input terminal
98
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
100
LCD_CE
O
Chip enable signal output to the liquid crystal display driver
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