Read Sony CDX-GT380 / CDX-GT383 Service Manual online
CDX-GT380/GT383
28
Pin No.
Pin Name
I/O
Description
65 to 67
NCO
O
Not used. (Open)
68
FLASH_W
I
Memory mode select signal input
Normally “H” input: Single chip mode, after reset “L”: Flash write mode
Normally “H” input: Single chip mode, after reset “L”: Flash write mode
69, 70
NCO
O
Not used. (Open)
71
RC_IN1
I
Rotary commander shift key signal input Not used in this set. (Pull up)
72
ACC_IN
I
Accessory power supply detect signal input
73
TESTIN
I
Test mode detect signal input Not used in this set. (Pull up)
74
TELATT
I
Telephone attenuate detect signal input Not used in this set. (Pull down)
75
NCO
O
Not used. (Open)
76
AD_ON
O
A/D converter power supply control signal output
77
RESET
I
System reset signal input
78
NCO
O
Not used. (Open)
79
XOUT
O
Low speed operation clock signal output (32.768 kHz)
80
XIN
I
Low speed operation clock signal input (32.768 kHz)
81
VSS1
—
Ground pin
82
OSCIN
I
High speed operation clock signal input (18.432 MHz)
83
OSCOUT
O
High speed operation clock signal output (18.432 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
DEMOSEL
I
DEMO select signal input “H”: DEMO on, “L”: DEMO off
86
ATT
O
Audio mute control signal output
87
BUSON
O
BUS ON signal output
88
SYSRST
O
System reset signal output
89 to 92
NCO
O
Not used. (Open)
93
Z-MUTE
I
CD zero cross mute detect signal input
94
B OUT SEL
I
Black out with/without discrimination select signal input “H”: Black out
95
INI RS
I
REAR/SUB initial setting signal input “H”: REAR initial, “L”: SUB initial
96
MO DISP
I
Motion display signal input
“H”: Motion display initial value on, “L”: Motion display initial value off
“H”: Motion display initial value on, “L”: Motion display initial value off
97
DIM_SEL
I
Dimmer select signal input “H”: No dimmer, “L”: Dimmer
98
CD_ON
I
CD mechanism servo power supply control request signal input
99
CDM_ON
I
CD mechanism deck power supply control request signal input
100
COL_SW
I
Illumination color select signal input
“H”: Two colors selection/initial slave, amber, “L”: Color/slave, amber
“H”: Two colors selection/initial slave, amber, “L”: Color/slave, amber
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