Sony CDX-GT72W Service Manual page 40

CDX-GT72W/GT720/GT770
Pin No. Pin Name
54 TEST IN
55 RC IN1
56 SYSRESET
57 BUS ON
58 FSW OUT
59 B OUT SEL
60 VCC2
61 NC
62 VSS
63 MOTOR ON
64 MOT+
65 MOT–
66 CLOSE SW
67 OPEN SW
68 P SNSR
69 USB ON
70 DST SEL1
71 DST SEL2
72 FL ON
73 BU IN
74 FLD ON
75 HS EN
76 HS OC
77 RE 1
78 RE 0
79 FP IDET
80 TEMP TR
81 NC
82 QUALITY
83 VSM
84 KEY IN0
85 SP IN
86 RC IN0
87 KEY ACK2
88 KEY ACK0
89 NC
90 DISP RESET
91 NOSE SW
92 NC
93 DISP CE
94 AVSS
95 DOOR IND
96 VREF
97 AVCC
98 DISP SI RX
99 DISP SO TX
100 DISP CKO
40
I/O
I Test mode detect signal input
I Rotary commander shift key signal input
O System reset signal output
O Bus on signal output
O D/D converter oscillator frequency change signal output
I Black out setting signal input
— Power supply pin (+3.3 V)
O Not used. (Open)
— Ground pin
O Front panel motor drive power supply switch signal output
O Front panel open/close control signal output (Motor open)
O Front panel open/close control signal output (Motor close)
I Front panel close detect signal input
I Front panel open detect signal input
I Drive mechanism gear rotary information signal input
O USB power supply oscillator on/off signal output
I Destination setting pin 1
I Destination setting pin 2
O Fluorescent indicator tube power supply on/off signal output
I Backup power supply detect signal input
O Fluorescent indicator tube driver power supply on/off signal output
O USB high side switch control signal output
I USB high side switch overcurrent detection signal input
I Rotary encoder signal input 1
I Rotary encoder signal input 0
I Front panel overcurrent detection signal input
I Temperature detect signal input
O Not used. (Open)
I Tuner noise detect signal input
I S meter voltage signal input
I Key signal input 0
I Spectrum analyzer signal input from electronic volume
I Rotary commander signal input 0
I Rotary commander acknowledge signal input
I Key acknowledge signal input
O Not used. (Open)
O Reset signal output to display IC
I Front panel detect signal input
O Not used. (Open)
O Chip enable signal output for display IC
— Ground pin
O Sub panel LED power supply control signal output
— Reference voltage pin for A/D converter
— Power supply pin (+3.3 V)
I Communication signal input from display IC
O Communication signal output to display IC
O Communication clock signal output to display IC
Description
Not used in this set. (Open)
"H": Black out
Not used in this set. (Open)
Not used in this set. (Open)
Not used in this set.