Sony CDX-GT32W Service Manual page 30

CDX-GT32W/GT320/GT370/GT370S
Pin No. Pin Name
57 NCO
58 UNISI
59 UNISO
60 UNISCK
61 NCO
62 ILLUMI SEL
63 NCO
64 SIRCS
65 to 67 NCO
68 FLASH_W
69, 70 NCO
71 RC_IN1
72 ACC_IN
73 TESTIN
74 TELATT
75 NCO
76 AD_ON
77 RESET
78 NCO
79 XOUT
80 XIN
81 VSS1
82 OSCIN
83 OSCOUT
84 VCC3
85 DEMOSEL
86 ATT
87 BUSON
88 SYSRST
89 to 92 NCO
93 Z-MUTE
94 B OUT SEL
95, 96 NCO
97 DIM_SEL
98 CD_ON
99 CDM_ON
100 COL_SW
30
I/O
O Not used. (Open)
I S-BUS data signal input
O S-BUS data signal output
O S-BUS clock signal output
O Not used. (Open)
I Illumination voltage setting signal input
O Not used. (Open)
I Remote control signal input
O Not used. (Open)
Memory mode select signal input
I
Normally "H" input: Single chip mode, after reset "L": Flash write mode
O Not used. (Open)
I Rotary commander shift key signal input
I Accessory power supply detect signal input
I Test mode detect signal input
I Telephone attenuate detect signal input
O Not used. (Open)
O A/D converter power supply control signal output
I System reset signal input
O Not used. (Open)
O Low speed operation clock signal output (32.768 kHz)
I Low speed operation clock signal input (32.768 kHz)
— Ground pin
I High speed operation clock signal input (18.432 MHz)
O High speed operation clock signal output (18.432 MHz)
— Power supply pin (+3.3 V)
I DEMO select signal input
O Audio mute control signal output
O BUS ON signal output
O System reset signal output
O Not used. (Open)
I CD zero cross mute detect signal input
I Black out with/without discrimination select signal input
O Not used. (Open)
Dimmer select signal input
I
Not used in this set. (Pull down)
I CD mechanism servo power supply control request signal input
I CD mechanism deck power supply control request signal input
Illumination color select signal input
I
"H": Two colors selection/initial slave, amber, "L": Color/slave, amber
Pin Description
"H": 10.4 V, "L": 9.0 V
Not used in this set. (Pull up)
Not used in this set. (Pull up)
Not used in this set. (Pull up)
Not used in this set. (Pull down)
"H": DEMO on, "L": DEMO off
"H": Dimmer, "L": No dimmer
Not used in this set. (Pull down)
"H": Black out