Read Sony HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) Service Manual online
41
HCD-SR1/SR2/SR3
Pin No.
Pin Name
I/O
Description
53
XHAC
I
DVD mode: Serial data request signal input from the DVD system processor
SACD mode: Serial data request signal input from the DSD decoder
54
HINT
O
Not used
55
XS16
O
Not used
56
HA1
I
Not used
57
XPDI
I/O
Not used
58
VDDS
—
Power supply terminal (+5V) (digital system)
59, 60
HA0, HA2
I
Not used
61
VSS
—
Ground terminal (digital system)
62, 63
HCS0, HCS1
I
Not used
64
VDD
—
Power supply terminal (+3.3V) (digital system)
65
DASP
I/O
Not used
66 to 69
MDB0 to MDB3
I/O
Two-way data bus with the D-RAM
70
VSS
—
Ground terminal (digital system)
71
MDB4
I/O
Two-way data bus with the D-RAM
72
VDD5V
—
Power supply terminal (+5V)
73 to 75
MDB5 to MDB7
I/O
Two-way data bus with the D-RAM
76
XMWR
O
Write enable signal output to the D-RAM
77
VDD
—
Power supply terminal (+3.3V) (digital system)
78
XRAS
O
Row address strobe signal output to the D-RAM
79, 80
MA0, MA1
O
Address signal output to the D-RAM
81
VSS
—
Ground terminal (digital system)
82 to 87
MA2 to MA7
O
Address signal output to the D-RAM
88
VDD
—
Power supply terminal (+3.3V) (digital system)
89
MA8
O
Address signal output to the D-RAM
90
VSS
—
Ground terminal (digital system)
91
MA9
O
Address signal output to the D-RAM
92
MNT1
O
EEPROM ready signal output to the mechanism controller
93
MNT2
O
Operation clock signal output for PSP physical disc mark detection to DSD
decoder
94
XMOE
O
Output enable signal output to the D-RAM
95
XCAS
O
Column address strobe signal output to the D-RAM
96, 97
MDB8, MDB9
I/O
Two-way data bus with the D-RAM
98
VSS
—
Ground terminal (digital system)
99
MDBA
I/O
Two-way data bus with the D-RAM
100
VDD
—
Power supply terminal (+3.3V) (digital system)
101, 102
MDBB, MDBC
I/O
Two-way data bus with the D-RAM
103
VDD5V
—
Power supply terminal (+5V)
104 to 106
MDBD to MDBF
I/O
Two-way data bus with the D-RAM
107
GFS
O
Guard frame sync signal output to the mechanism controller
108
VSS
—
Ground terminal (digital system)
109
APEO
O
Absolute phase error signal output
110
VDD
—
Power supply terminal (+3.3V) (digital system)
111
DASYO
O
RF binary signal output
112
GNDA5
—
Ground terminal (analog system)
113, 114
ASF1, AFS2
—
Filter connected terminal for selection the constant asymmetry compensation
115
DASYI
I
Analog signal input after integrated from the RF binary signal
Click on the first or last page to see other HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) service manuals if exist.