103
HCD-C770/C990
Pin No.
Pin Name
I/O
Description
43
DIP-RST
O
Reset signal output to the power amplifier “L”: reset
44
DIP-OCP
I
Protect signal input from the power amplifier
45
ST-POWER
O
System power on/off control signal output “H”: power on
46
HP-MUTE
O
Headphone muting on/off control signal output “L”: muting on
47
AU-MUTE
O
Audio line muting on/off control signal output “L”: muting on
48
AV-SEL2
O
Audio/video selection signal output
49
PROG SW
I
SCAN SELECT switch input terminal “L”: SELECTABLE, “H”: INTERLACE
50
TU-ON
O
Power supply for tuner pack on/off control signal output
51
TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
52
TUN-DI
I
Serial data input from the tuner unit
53
TUN-CE
O
Chip enable signal output to the tuner unit
54
TUN-DO
O
Serial data output to the tuner unit
55
TUN-CLK
O
Serial data transfer clock signal output to the tuner unit
56
FL-MUTE
O
Reset signal output to the fluorescent indicator tube driver “L”: reset
57
FL-CLK
O
Serial data transfer clock signal output to the LED driver and fluorescent indicator tube driver
58
BVDD
—
Power supply terminal (+5V) (for bus interface)
59
BVSS
—
Ground terminal (for bus interface)
60
FL-DATA
O
Serial data output to the LED driver and fluorescent indicator tube driver
61
FL-CS
O
Chip select signal output to the fluorescent indicator tube driver “L” active
62
LED-CS
O
Standby signal output to the LED driver “L”: standby
63
LED-CLR
O
Reset signal output to the LED driver “L”: reset
64
HPSW
I
Connection detection signal input of the headphone jack
“L”: no connected, “H”: headphone connected
65
DFIL RST2
O
Reset signal output to the digital audio processor “L”: reset
66
SP RELAY
O
Relay drive signal output terminal for the speaker protect Not used
67
PARA-DO2
I
Serial data input from the changer controller (rotary encoder)
68
PARA-RST
O
Reset signal output to the changer controller (motor, switch) and changer controller (rotary
encoder) “L”: reset
69
PARA-LT1
O
Serial data latch pulse signal output to the changer controller (motor, switch)
70
PARA-LT2
O
Serial data latch pulse signal output terminal Not used
71
PARA-CLK
O
Serial data transfer clock signal output to the changer controller (motor, switch)
72
PARA-DATA
O
Serial data output to the changer controller (motor, switch)
73
PARA-DO1
I
Serial data input terminal Not used
74
AVDD
—
Power supply terminal (+5V) (analog system)
75
AVSS
—
Ground terminal (analog system)
76
AVREF
I
Reference voltage (+5V) input terminal (analog system)
77
NO USE
—
Not used
78
OPT-SEN2
I
Not used
79
OPT-SEN
I
Disc insert detection signal input from the disc sensor
80
AREA1
I
Destination setting terminal
81
SEN2
I
Disc loading detection signal input
82 to 84
KEY0 to KEY2
I
Key input terminal (A/D input)
85
EN-A
I
Jog dial pulse input from the rotary encoder (A phase input)
86
EN-B
I
Jog dial pulse input from the rotary encoder (B phase input)
87
MODEL
I
Model setting terminal
88
RDS-DATA
I
RDS serial data input from the RDS decoder (Used for the AEP model)
89
DVD-POWER
O
DVD power on/off control signal output “H”: power on
90
STOP
I
System stop signal input
