Read Sony SCD-C222ES Service Manual online
75
SCD-C222ES
Pin No.
Pin Name
I/O
Description
50
SCK DSD
O
Serial data transfer clock signal output to the DSD decoder (IC801) and CXD9647R (IC803)
51
LD ON
O
Laser diode on/off control signal output to the CXD1881R (IC001)
“L”: laser diode off, “H”: laser diode on
“L”: laser diode off, “H”: laser diode on
52
XDIS IO
O
Reset signal output to the I/O expander (IC902) “L”: reset
53
SDOUT
O
Serial data output to the MSM9202 (IC801)
54
SLK
O
Serial data transfer clock signal output to the MSM9202 (IC801)
55
VSS
—
Ground terminal (digital system)
56
REQ
O
Request signal output to the MSM9202 (IC801)
57
FCS BST
O
Focus boost signal output terminal Not used (open)
58
GFS DVD
I
Guard frame sync signal input from the CXD1882R (IC701)
59
LED DRV
O
LED drive signal output of the MULTI CHANNEL DECODING indicator (D803)
“H”: LED on
“H”: LED on
60
KEY 0
I
Key input terminal (A/D input)
S807 to S811 (H, X, x, EX-CHANGE, DISC SKIP) keys input
S807 to S811 (H, X, x, EX-CHANGE, DISC SKIP) keys input
61
KEY 1
I
Key input terminal (A/D input) S804, S805 (SACD/CD, MILTI/2CH) keys input
62
KEY 2
I
Key input terminal (A/D input) S812 to S816, S830 (TIME/TEXT, MENU, PROGRAM,
SHUFFLE, CONTINUE, PUSH ENTER) keys input
SHUFFLE, CONTINUE, PUSH ENTER) keys input
63
KEY 3
I
Key input terminal (A/D input)
S806, S817 to S821 (A OPEN/CLOSE, DISC 1/2/3/4/5) key input
S806, S817 to S821 (A OPEN/CLOSE, DISC 1/2/3/4/5) key input
64
JITTER
I
Jitter signal input
65
TE
I
Tracking error signal input from the CXD1881R (IC001)
66
SP ERR
I
Spindle motor backward voltage input terminal
67
FE/PI
I
Focus error signal input from the CXD1881R (IC001)
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 CXD3068Q (IC509)
72
SCLK CD
O
SENSE serial data reading clock signal output to the CXD3068Q (IC509)
73
1/2 LD
—
Not used (open)
74
FOK CD
I
Focus OK signal input from the CXD3068Q (IC509)
75
LOCK CD
I
GFS is sampled by 460 Hz “H” input when GFS is “H”
76
XRF AD CE
O
Chip enable signal output to the A/D converter Not used (open)
77
SDCLK RF
O
Serial data transfer clock signal output to the CXD1881R (IC001)
78
EEPSIO
I/O
Two-way data bus with the EEPROM (IC903)
79
EEPSCL
O
Clock signal output to the EEPROM (IC903)
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
RM
I
Remote control signal input from the remote control receiver (IC802)
83
SDATA RF
I/O
Two-way data bus with the CXD1881R (IC001)
84
XWR
O
Write strobe signal output to the CXD1882R (IC701) and I/O expander (IC902)
85
XRD
O
Read strobe signal output to the CXD1882R (IC701) and I/O expander (IC902)
86
PWE
I
Flash writing switch (S902) input terminal “L”: writing impossible, “H”: writing possible
87
VDD
—
Power supply terminal (+3.3V) (digital system)
88
VSS
—
Ground terminal (digital system)
89 to 91
A0 to A2
O
Address signal output to the CXD1882R (IC701) and I/O expander (IC902)
92 to 96
A3 to A7
O
Address signal output to the CXD1882R (IC701)
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