Sony CDX-GT31MP Service Manual page 32

CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
Pin No. Pin Name
62 VCC2
63 NCO
64 VSS
65 to 74 NCO
75 MEC_SELFSW
76 to78 NCO
79, 80 DEBUG_1, DEBUG_2
81 RE-IN1
82 RE-IN0
83 SAIN
84 to 88 NCO
89 SADATA
90 SACLK
91 KEYACK0
92 KEYACK1
93 NCO
94 KEYIN1
95 KEYIN0
96 AVSS
97 RC_IN0
98 AVRH
99 AVDD
100 LCD_CE
32
I/O
― Power supply terminal (+3.3 V)
O Not used. (Open)
― Ground terminal
O Not used. (Open)
I Mechanism deck self swith signal input Not used. (Open)
O Not used. (Open)
O Not used. (Open)
I Rotary encoder signal input 1
I Rotary encoder signal input 0
I Serial data signal input from E-vol spectrum analyzer
O Not used. (Open)
O Serial data output for E-vol spectrum analyzer
O Serial clock output for E-vol spectrum analyzer
I Key acknowledge detect signal input (Rotary commander)
I Key acknowledge detect signal input (Front panel)
O Not used. (Open)
I Key signal input 1
I Key signal input 0
― Ground terminal for A/D converter
I Rotary commander key signal input
― A/D converter external reference power supply terminal (+3.3 V)
― A/D converter power supply terminal (+3.3 V)
O Chip enable signal output for LCD driver
Description