Read Sony CDX-H910UI / CDX-HR910UI Service Manual online
CDX-H910UI/HR910UI
30
Pin No.
Pin Name
I/O
Description
58
WAKE_UP
O
CD mechanism servo wake up signal output
59
MC_RX
I
CD servo control serial data signal input
60
MC_TX
O
CD servo control serial data signal output
61
CLK
O
CD servo control serial clock signal output Not used
62
Z_MUTE
I
Mute signal input
63
ILL_IN
I
Illumination check signal input
64
TEST
I
Test mode detection signal input Not used (Pull up)
65
VCC
—
Power supply (+3.3V)
66
VSS
—
Ground
67
NCO
—
Not used. (Open)
68
AMP_STB
O
Standby signal output to power regulator IC
69
DIAG
I
Condition signal input from power amplifi er IC
70
EJECT_OK
O
EJECT OK signal output
71
SA_OUT
O
Spectrum analyzer/electronic volume control serial data signal output
72
SA_CLK
O
Spectrum analyzer/electronic volume control serial clock signal output
73
NCO
—
Not used. (Open)
74
TU_ATT
O
Tuner mute control signal output Not used (Open)
75
CD_MUTE
O
CD/USB mute signal output
76
RDS_ON
O
RDS power supply control signal output
77
FLASH_EN0
I
Flash write enable signal input
78
FLASH_EN1
I
Flash write enable signal input
79
USB_ON
O
USB power control signal output
80
DD_ON
O
DC-DC converter on/off control signal output
81
XFLASH
I
Flash write mode setting terminal Not used (Connected to ground)
82
NCO
—
Not used. (Open)
83
BU_CHECK
I
Back up power detect check signal input
84
DAVN
I
RDS data block cycle detection signal input Not used.
85 to 87
NCO
—
Not used. (Open)
88
V-BUS_ON
I
VBUS power control signal input “H”: VBUS ON, “L”: VBUS OFF
89
USB_OVR
I
USB power over current detect signal input
90
VCC
—
Power supply (+3.3V)
91
VSS
—
Ground
92
OSC_OUT
O
High speed operation clock signal output (7.92MHz)
93
OSC_IN
I
High speed operation clock signal input (7.92MHz)
94
NCO
—
Not used. (Open)
95
SIRCS
I
Remote control signal input
96
NCO
—
Not used. (Open)
97
BEEP
O
Beep signal output
98
ZAPPIN_BEEP
O
ZAPPIN BEEP signal output
99
SYNC_OUT
O
DC-DC converter oscillator frequency control signal output
100
NCO
—
Not used. (Open)
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