Sony SCD-CE775 Service Manual ▷ View online
65
SCD-CE775
•
MAIN BOARD IC701 CXD1882R-1 (SACD DECODER)
Pin No.
Pin Name
I/O
Description
1, 2
D5, D6
I/O
Two-way data bus with the CPU (IC901) and I/O expander (IC902)
3
VSS
—
Ground terminal (digital system)
4
D7
I/O
Two-way data bus with the CPU (IC901) and I/O expander (IC902)
5
A0
I
Address signal input from the CPU (IC901)
6
VDD
—
Power supply terminal (+3.3V) (digital system)
7
A1
I
Address signal input from the CPU (IC901)
8
VDD5V
—
Power supply terminal (+5V)
9 to 14
A2 to A7
I
Address signal input from the CPU (IC901)
15
VSS
—
Ground terminal (digital system)
16
XWAIT
O
Wait signal output terminal Not used (open)
17
XRD
I
Read strobe signal input from the CPU (IC901)
18
XWR
I
Write strobe signal input from the CPU (IC901)
19
XCS
I
Chip select signal input from the CPU (IC901)
20, 21
XINT0, XINT1
O
Interrupt signal output to the CPU (IC901)
22
VDD
—
Power supply terminal (+3.3V) (digital system)
23
XHRS
I
Not used (open)
24
HDB7
O
Stream data signal output to the DSD decoder (IC801)
25
VSS
—
Ground terminal (digital system)
26
HDB8
O
Error flag signal output to the DSD decoder (IC801)
27
HDB6
O
Stream data signal output to the DSD decoder (IC801)
28
VDDS
—
Power supply terminal (+5V) (digital system)
29
HDB9
O
Not used (open)
30
HDB5
O
Stream data signal output to the DSD decoder (IC801)
31
HDBA
O
Not used (open)
32
HDB4
O
Stream data signal output to the DSD decoder (IC801)
33
VSS
—
Ground terminal (digital system)
34
HDBB
O
Not used (open)
35
HDB3
O
Stream data signal output to the DSD decoder (IC801)
36
VDD
—
Power supply terminal (+3.3V) (digital system)
37
HDBC
O
Not used (open)
38
VDDS
—
Power supply terminal (+5V) (digital system)
39
HDB2
O
Stream data signal output to the DSD decoder (IC801)
40
HDBD
O
Not used (open)
41
HDB1
O
Stream data signal output to the DSD decoder (IC801)
42
VSS
—
Ground terminal (digital system)
43
HDBE
O
Not used (open)
44
HDB0
O
Stream data signal output to the DSD decoder (IC801)
45
HDBF
O
Not used (open)
46
XSAK
O
Serial data effect flag signal output to the DSD decoder (IC801)
47
VDDS
—
Power supply terminal (+5V) (digital system)
48
XDCK
O
Serial data transfer clock signal output to the DSD decoder (IC801)
49
XSHD
O
Header flag signal output to the DSD decoder (IC801)
50
VDD
—
Power supply terminal (+3.3V) (digital system)
51
REDY
O
Not used (pull up)
52
VSS
—
Ground terminal (digital system)
53
XSRQ
I
Serial data request signal input from the DSD decoder (IC801)
66
SCD-CE775
Pin No.
Pin Name
I/O
Description
54
HINT
O
Not used (pull up)
55
XS16
O
Not used (pull up)
56
HA1
I
Not used (fixed at “H” )
57
XPDI
I/O
Not used (pull up)
58
VDDS
—
Power supply terminal (+5V) (digital system)
59, 60
HA0, HA2
I
Not used (fixed at “H” )
61
VSS
—
Ground terminal (digital system)
62, 63
HCS0, HCS1
I
Not used (open)
64
VDD
—
Power supply terminal (+3.3V) (digital system)
65
DASP
I/O
Not used (pull up)
66 to 69
MDB0 to MDB3
I/O
Two-way data bus with the D-RAM (IC706)
70
VSS
—
Ground terminal (digital system)
71
MDB4
I/O
Two-way data bus with the D-RAM (IC706)
72
VDD5V
—
Power supply terminal (+5V)
73 to 75
MDB5 to MDB7
I/O
Two-way data bus with the D-RAM (IC706)
76
XMWR
O
Write enable signal output to the D-RAM (IC706)
77
VDD
—
Power supply terminal (+3.3V) (digital system)
78
XRAS
O
Row address strobe signal output to the D-RAM (IC706)
79, 80
MA0, MA1
O
Address signal output to the D-RAM (IC706)
81
VSS
—
Ground terminal (digital system)
82 to 87
MA2 to MA7
O
Address signal output to the D-RAM (IC706)
88
VDD
—
Power supply terminal (+3.3V) (digital system)
89
MA8
O
Address signal output to the D-RAM (IC706)
90
VSS
—
Ground terminal (digital system)
91
MA9/MNT0
O
Address signal output to the D-RAM (IC706)
92
MA10/MNT1
O
RF data signal output terminal Not used (open)
93
MA11/MNT2
O
Operation clock signal output for PSP physical disc mark detection to DSD decoder (IC801)
Monitor signal output to the CPU (IC901)
Monitor signal output to the CPU (IC901)
94
XMOE
O
Output enable signal output to the D-RAM (IC706)
95
XCAS
O
Column address strobe signal output to the D-RAM (IC706)
96, 97
MDB8, MDB9
I/O
Two-way data bus with the D-RAM (IC706)
98
VSS
—
Ground terminal (digital system)
99
MDBA
I/O
Two-way data bus with the D-RAM (IC706)
100
VDD
—
Power supply terminal (+3.3V) (digital system)
101, 102
MDBB, MDBC
I/O
Two-way data bus with the D-RAM (IC706)
103
VDD5V
—
Power supply terminal (+5V)
104 to 106 MDBD to MDBF
I/O
Two-way data bus with the D-RAM (IC706)
107
GFS
O
Guard frame sync signal output to the CPU (IC901)
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
116
RFDCC
I
Input terminal for adjusting DC cut high-pass filter for RF signal Not used (open)
117
RFIN
I
RF signal input from the CXD1881R (IC001)
67
SCD-CE775
Pin No.
Pin Name
I/O
Description
118, 119 VCCA5, VCCA4
—
Power supply terminal (+3.3V) (analog system)
120
VCOR1
—
VCO oscillating range setting resistor connected terminal
121
VCOIN
I
VCO input terminal
122, 123 GNDA4, GNDA3
—
Ground terminal (analog system)
124
LPF5
O
Signal output from the operation amplifier from PLL loop filter
125
VC1
I
Middle point voltage (+1.65V) input terminal
126, 127
LPF2, LPF1
I
Inverted signal input to the operation amplifier from PLL loop filter
128, 129 VCCA3, VCCA2
—
Power supply terminal (+3.3V) (analog system)
130
PDO
O
Signal output from the charge pump for phase comparator
131
PDHVCC
I
Middle point voltage input terminal for RF PLL
132
FDO
O
Signal output from the charge pump for frequency comparator
133, 134 GNDA2, GNDA1
—
Ground terminal (analog system)
135
SPO
O
Spindle motor (M3) control signal output to the BA5912AFP (IC512)
136
VC2
I
Middle point voltage (+1.65V) input terminal
137
MDIN2
I
Spindle motor (M3) servo drive signal input from the CXD3068Q (IC509)
138
MDIN1
I
MDP input terminal
139
VCCA1
—
Power supply terminal (+3.3V) (analog system)
140
CLVS
O
Control signal output for selection the spindle control filter at CLVS
141
VSS
—
Ground terminal (digital system)
142
MDSOUT
O
Frequency error output terminal of internal CLV circuit
143
VDD
—
Power supply terminal (+3.3V) (digital system)
144
MDPOUT
O
Phase error output terminal of internal CLV circuit
145
DEFECT
I
Defect signal input terminal Not used (fixed at “L” )
146
GSCOR
I
Guard subcode sync (S0+S1) detection signal input from the CXD3068Q (IC509)
147
EXCK
O
Subcode serial data reading clock signal output to the CXD3068Q (IC509)
148
SBIN
I
Subcode serial data input from the CXD3068Q (IC509)
149
VSS
—
Ground terminal (digital system)
150
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD3068Q (IC509)
151
WFCK
I
Write frame clock signal input from the CXD3068Q (IC509)
152
VDD5V
—
Power supply terminal (+5V)
153
XRCI
I
RAM overflow signal input terminal Not used (fixed at “L” )
154
VDDS
—
Power supply terminal (+5V) (digital system)
155
C2PO
I
C2 pointer signal input from the CXD3068Q (IC509)
156
VDD
—
Power supply terminal (+3.3V) (digital system)
157
DBCK
O
Bit clock signal (2.8224 MHz) output terminal Not used (open)
158
BCLK
I
Bit clock signal (2.8224 MHz) input from the CXD3068Q (IC509)
159
DDAT
O
PCM data output terminal Not used (open)
160
MDAT
I
Serial data input from the CXD3068Q (IC509)
161
VSS
—
Ground terminal (digital system)
162
DLRC
O
L/R sampling clock signal (44.1 kHz) output terminal Not used (open)
163
LRCK
I
L/R sampling clock signal (44.1 kHz) input from the CXD3068Q (IC509)
164
XRST
I
Reset signal input from the I/O expander (IC902) “L”: reset
165
IFS0
I
Interface select signal input terminal Fixed at “L” in this set
166
IFS1
I
Interface select signal input terminal Fixed at “H” in this set
167
XTAL
I
33.8688 MHz clock signal input terminal
168
VSS
—
Ground terminal (digital system)
169
XTA2
O
System clock output terminal (33.8688 MHz)
68
SCD-CE775
Pin No.
Pin Name
I/O
Description
170
XTA1
I
System clock input terminal (33.8688 MHz)
171
VDD
—
Power supply terminal (+3.3V) (digital system)
172 to 176
D0 to D4
I/O
Two-way data bus with the CPU (IC901) and I/O expander (IC902)
Click on the first or last page to see other SCD-CE775 service manuals if exist.