Sony SCD-XB770 Service Manual page 49

Pin No. Pin Name
50 SCK DSD
51 LD ON
52 XDIS IO
53 SDOUT
54 SLK
55 VSS
56 REQ
57 FCS BST
58 GFS DVD
59 LED DRV
60 KEY 0
61 KEY 1
62 KEY 2
63 KEY 3
64 JITTER
65 TE
66 SP ERR
67 FE/PI
68 AVSS
69 AVREF
70 AVDD
71 GFS CD
72 SCLK CD
73 1/2 LD
74 FOK CD
75 LOCK CD
76 XRF AD CE
77 SDCLK RF
78 EEPSIO
79 EEPSCL
80 RXD
81 TXD
82 RM
83 SDATA RF
84 XWR
85 XRD
86 NC
87 VDD
88 VSS
89 to 91 A0 to A2
92 to 96 A3 to A7
97 INIT DF
98 LATCH DF
99 SHIFT DF
100 SCDATA DF
I/O
O Serial data transfer clock signal output to the DSD decoder (IC801) and CXD9647R (IC803)
Laser diode on/off control signal output to the CXD1881R (IC001)
O
"L": laser diode off, "H": laser diode on
O
Reset signal output to the I/O expander (IC902) "L": reset
O
Serial data output to the MSM9202 (IC801)
O
Serial data transfer clock signal output to the MSM9202 (IC801)
— Ground terminal (digital system)
O
Request signal output to the MSM9202 (IC801)
O
Focus boost signal output terminal Not used (open)
I
Guard frame sync signal input from the CXD1882R (IC701)
O
LED drive signal output of the multi-channel indicator (D803) "H": LED on
I Key input terminal (A/D input) S807 to S809 (H, X, x) keys input
Key input terminal (A/D input)
I
S801 to S805 (j, J, MENU, SACD/CD, MILTI/2CH) keys input
I
Key input terminal (A/D input) S812, S830 (TIME/TEXT, PUSH ENTER) keys input
I Key input terminal (A/D input) S806 (A OPEN/CLOSE) key input
I
Jitter signal input
I
Tracking error signal input from the CXD1881R (IC001)
I
Spindle motor backward voltage input terminal
I Focus error signal input from the CXD1881R (IC001)
—
Ground terminal (for A/D converter)
I
Reference voltage input terminal (for A/D converter)
—
Power supply terminal (+3.3V) (for A/D converter)
I Guard frame sync signal input from the CXD3068Q (IC509)
O
SENSE serial data reading clock signal output to the CXD3068Q (IC509)
—
Not used (open)
I
Focus OK signal input from the CXD3068Q (IC509)
I GFS is sampled by 460 Hz "H" input when GFS is "H"
O
Chip enable signal output to the A/D converter Not used (open)
O
Serial data transfer clock signal output to the CXD1881R (IC001)
I/O
Two-way data bus with the EEPROM (IC903)
O Clock signal output to the EEPROM (IC903)
I
Serial data input from the RS-232C (for check)
O
Serial data output to the RS-232C (for check)
I
Remote control signal input from the remote control receiver (IC802)
I/O Two-way data bus with the CXD1881R (IC001)
O
Write strobe signal output to the CXD1882R (IC701) and I/O expander (IC902)
O
Read strobe signal output to the CXD1882R (IC701) and I/O expander (IC902)
—
Not used (fixed at "H" )
— Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
O
Address signal output to the CXD1882R (IC701) and I/O expander (IC902)
O
Address signal output to the CXD1882R (IC701)
O Initial signal output to the digital filter Not used
O
Latch signal output to the digital filter (IC301 to IC303)
O
Shift signal output to the digital filter (IC301 to IC303)
O
Serial data output to the digital filter (IC301 to IC303)
Description
SCD-XB770
49