Read Sony CDX-H905IP / CDX-HR905IP Service Manual online
CDX-H905IP/HR905IP
34
Pin No.
Pin Name
I/O
Description
59
UNISO
O
SONY-BUS data signal output
60
UNISCK
O
SONY-BUS clock signal output
61
Z-MUTE
I
CD zero cross mute detection signal input
62
NCO
—
Not used. (Open)
63
FLASH_W
I
Memory mode select signal input
64
SIRCS
I
Remote control signal input
65 to 69
NCO
—
Not used. (Open)
70
DOOR_SW
I
Front panel open/close detection signal input
71
RC_IN1
I
Rotary commander shift key signal input
72 to 74
NCO
—
Not used. (Open)
75
NCO
—
Not used. (Open)
76
NCO
—
Not used. (Open)
77
RESET
I
Reset signal input
78
NCO
—
Not used. (Open)
79
XOUT
O
Sub-clock signal output (32.768 kHz)
80
XIN
I
Sub-clock signal input (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 (+3.3 V)
85
CYRIL_SEL
I
CYRIL select signal input (Fixed at L)
86
DEMOSEL
I
Demo select signal input (Fixed at H)
87
NCO
—
Not used. (Open)
88
SYSRST
O
System reset signal output
89
EJECT_OK_SW
O
Eject OK signal output
90
NCO
—
Not used. (Open)
91
CDON
I
CD mechanism servo power control request signal input
92
CDMON
I
CD mechanism deck power control request signal input
93, 94
NCO
—
Not used. (Open)
95
BUSON
O
Bus ON signal output
96
TESTIN
I
Test mode detection signal input (Fixed at H)
97
ILL_IN
I
Illumination detection signal input (H: illumination OFF)
98
TELATT
I
Telephone attenuator detection signal input
99
ACCIN
I
Accessory power supply detection signal input
100
ATT
O
Audio mute control signal output
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