Read Sony SCD-XB780 Service Manual online
59
SCD-XB780
Pin No.
Pin Name
I/O
Description
53
FLOUT
O
Serial data output to the fluorescent indicator tube driver
54
FLCLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver
55
VSS
—
Ground terminal (digital system)
56
FLCS
O
Chip select signal output to the fluorescent indicator tube driver
57
LED DRV
O
LED drive signal output of the multi-channel indicator “H”: LED on
58
GFS DVD
I
Guard frame sync signal input from the SACD decoder
59
SP ERR
I
Spindle motor backward voltage input terminal
60 to 62
KEY0 to KEY2
I
Key input terminal (A/D input)
63
KEY3
I
Key input terminal (A/D input) Not used
64
JITTER
I
Jitter signal input
65
TE
I
Tracking error signal input from the SACD/CD RF amplifier
66
PI
I
Pull in signal input from the SACD/CD RF amplifier
67
FE
I
Focus error signal input from the SACD/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
MUTE CD
O
Muting on/off control signal output to the digital signal processor “H”: muting on
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
—
O
Not used
77
CLK RF
O
Serial data transfer clock signal output to the SACD/CD RF amplifier
78
EEPSIO
I/O
Two-way data bus with the EEPROM
79
EEPSCL
O
Clock signal output to the EEPROM
80
RXD
I
Not used
81
TXD
O
Not used
82
RM
I
Remote control signal input
83
DATA RF
I/O
Two-way data bus with the SACD/CD RF amplifier
84
XWR
O
Write strobe signal output to the SACD decoder and programmable logic device
85
XRD
O
Read strobe signal output to the SACD decoder and programmable logic device
86
NC
—
Not used
87
VDD
—
Power supply terminal (+3.3V) (digital system)
88
VSS
—
Ground terminal (digital system)
89
A0
O
Address signal output to the SACD decoder and programmable logic device
90 to 96
A1 to A7
O
Address signal output to the SACD decoder
97
INIT DF
O
Reset signal output to the digital filter “L”: reset
98
LATCH DF
O
Serial data latch pulse signal output to the digital filter
99
A1OUT
O
Output terminal of sircs remote control signal from CONTROL A1 II Not used
100
LD ON
O
Laser diode on/off control signal output to the SACD/CD RF amplifier
“L”: laser diode off, “H”: laser diode on
“L”: laser diode off, “H”: laser diode on
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