Sony HCD-C770 - Page 103

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