Read Sony CDX-GT57UP Service Manual online
CDX-GT57UP
31
Pin No.
Pin Name
I/O
Description
64 to 67
TRACEDATA0 to
TRACEDATA3
-
Not used
68
CP_SDA
I/O
Serial data input/output for the EEPROM
69
CP_SCL
O
Serial data transfer clock signal output to the EEPROM
70
NC
-
Not used
71
CP_RESET
O
Reset signal output to the EEPROM
72
CPON
O
Power supply on/off control signal output terminal for the EEPROM
73
CDON_15V
O
Power supply on/off control signal output terminal for the CD section
74
VBUS_ON
O
VBUS on/off control signal input from the system controller “H”: VBUS on
75
NC
-
Not used
76
REGVCC3
-
Power supply terminal (+3.3V)
77, 78
XT1, XT2
-
Not used
79
CVCC3
-
Power supply terminal (+3.3V)
80
X1
I
System clock input terminal (12 MHz)
81
CVSS
-
Ground terminal
82
X2
O
System clock output terminal (12 MHz)
83
DVCC3
-
Power supply terminal (+3.3V)
84
DVSS
-
Ground terminal
85, 86
USB+, USB–
I/O
Digital audio data bus terminal
87
NMI
-
Not used
88, 89
TEST
-
Not used
90, 91
NC
-
Not used
92
AVCC3
-
Power supply terminal (+3.3V)
93 to 100
NC
-
Not used
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