Read Sony CDX-S22 / CDX-S22S Service Manual online
35
CDX-S22/S22S
61 to 63
NCO
O
Not used. (Open)
64
SIRCS
I
Remote controller signal (infrared rays) input
65 to 67
NCO
O
Not used. (Open)
68
FLASH_W
I
Memory mode select signal input (Fixed at H in this set)
69, 70
NCO
O
Not used. (Open)
71
RC_IN1
I
Rotary commander shift key signal input (Fixed at H in this set)
72
ACC_IN
I
Accessory power supply detection signal input
73
TESTIN
I
Test mode detection signal input
74
TELATT
I
Telephone attenuator detection signal input (AEP, UK model)
75
NCO
O
Not used. (Open)
76
XKEYON
O
A/D converter power supply control signal output
77
RESET
I
Reset signal input
78
NCO
O
Not used. (Open)
79
XIN
I
Sub-clock signal input (32.768 kHz)
80
XOUT
O
Sub-clock signal output (32.768 kHz)
81
VSS1
—
Ground
82
OSCIN
I
Main-clock signal input (18.432 MHz)
83
OSCOUT
O
Main-clock signal output (18.432 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
DEMOSEL
I
Demo select signal input (L: Demo OFF, H: Demo ON)
86
ATT
O
Audio mute control signal output
87
BUSON
O
Bus ON signal output
88
SYSRST
O
System reset signal output
89
EJECT_OK_SW
O
Eject OK signal output
90 to 92
NCO
O
Not used. (Open)
93
Z-MUTE
I
Z mute signal input
94 to 97
NCO
O
Not used. (Open)
98
CD_ON
I
CD mechanism deck servo power control request signal input
99
CDM_ON
I
CD mechanism deck power control request signal input
100
NCO
O
Not used. (Open)
Pin No.
Pin Name
I/O
Pin Description
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