Sony HCD-C770 - Page 89

89
HCD-C770/C990
Pin No. Pin Name I/O Description
53 MUTE DSD O
Muting on/off control signal output to the DSD decoder “H”: muting on
54 SQCK O
Subcode Q data reading clock signal output to the digital signal processor
55 VSS —
Ground terminal (digital system)
56 TRAY IN I
Disc tray in detection signal input terminal Not used
57 TRAY OUT I
Disc tray out detection signal input terminal Not used
58 GFS DVD I
Guard frame sync signal input from the DVD decoder
59
MUTE CD
O
Muting on/off control signal output to the digital signal processor “H”: muting on
60
MUTE 2D
O
Muting on/off control signal output to the motor/coil driver “H”: muting on
61 SLED I
Sled motor servo drive PWM signal input terminal
62 FG I
Spindle motor control signal input
63
SP ON
O
Muting on/off control signal output to the motor/coil driver “H”: muting on
64 JIT I
Jitter signal input
65 TE I
Tracking error signal input from the DVD/CD RF amplifier
66 PI I
Pull in signal input from the DVD/CD RF amplifier
67 FE I
Focus error signal input from the DVD/CD RF amplifier
68 AVSS —
Ground terminal (for A/D converter)
69 AVREF I
Reference voltage input terminal (for A/D converter)
70 AVDD —
Power supply terminal (+3.3V) (for A/D converter)
71 GFS CD I
Guard frame sync signal input from the digital signal processor
72 SCLK CD O
SENSE serial data reading clock signal output to the digital signal processor
73 TSD O
Thermal shut down signal output to the motor/coil driver
74 FOK CD I
Focus OK signal input from the digital signal processor
75 LOCK CD I
GFS is sampled by 460 Hz “H” input when GFS is “H”
76 LDSEL O
Laser diode selection signal output
77 SACD/DVD O
SACD/DVD selection signal output “L”: DVD, “H”: SACD
78 I2C SIO I/O
Communication data bus with the DVD system processor and system controller
79 IIC-CLK I/O
Communication data reading clock signal input or transfer clock signal output with the DVD
system processor and system controller
80 RXD I
Serial data input from the RS-232C (for check)
81 TXD O
Serial data output to the RS-232C (for check)
82 SDCLK RF O
Serial data transfer clock signal output to the DVD/CD RF amplifier
83 SDATA RF I/O
Two-way data bus with the DVD/CD RF amplifier
84 XWR O
Write strobe signal output to the DVD decoder
85 XRD O
Read strobe signal output to the DVD decoder
86 (PWE) —
Not used
87 VDD —
Power supply terminal (+3.3V) (digital system)
88 VSS —
Ground terminal (digital system)
89 to 96 A0 to A7 O
Address signal output to the DVD decoder
97 DSAVE O
Motor/coil driver power save control signal output terminal Not used
98 XDRST O
Reset signal output to the digital signal processor and DSD decoder “L”: reset
99 EEP WP O
Write protect signal output to the EEPROM
100 EEP CLK O
Clock signal output to the EEPROM