Sony HCD-C990 Service Manual - Page 101

Wavss0, Wavss1

Get Sony HCD-C990 - Compact Audio And Video System PDF manuals and user guides View all Sony HCD-C990 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 101 highlights

HCD-C770/C990 Pin No. Pin Name I/O 122 WRFD I 123 WCK I 124, 125 WAVDD0, - WAVDD1 126 WARFI I 127 WAVRB I 128, 129 WAVSS0, WAVSS1 - 130 VSIO - 131 to 134 DQ7 to DQ4 I/O 135 VDIOA2 - 136 to 139 DQ3 to DQ0 I/O 140 VSIOA3 - 141 DCLK O 142 DCKE O 143 XWE O 144 XCAS O 145 XRAS O 146 VDIOA3 - 147 NC O 148, 149 A11, A10 O 150 VSCA3 - 151, 152 A9, A8 O 153 VDCA3 - 154 to 157 A7 to A4 O 158 VSIOA4 - 159 to 162 A3 to A0 O 163 VDIOA4 - 164 XSRQ O 165 XSHD I 166 SDCK I 167 XSAK I 168 SDEF I 169 to 176 SD0 to SD7 I Description Not used Operation clock signal input for PSP physical disc mark detection from the DVD decoder A/D power supply terminal (+2.5V) (for PSP physical disc mark detection) Analog RF signal input for PSP physical disc mark detection from the DVD/CD RF amplifier A/D bottom reference terminal for PSP physical disc mark detection A/D ground terminal (for PSP physical disc mark detection) Ground terminal (for I/O) Two-way data bus with the SD-RAM Power supply terminal (+3.3V) (for I/O) Two-way data bus with the SD-RAM Ground terminal (for I/O) Clock signal output to the SD-RAM Clock enable signal output to the SD-RAM Write enable signal output to the SD-RAM Column address strobe signal output to the SD-RAM Row address strobe signal output to the SD-RAM Power supply terminal (+3.3V) (for I/O) Not used Address signal output to the SD-RAM Ground terminal (for core) Address signal output to the SD-RAM Power supply terminal (+2.5V) (for core) Address signal output to the SD-RAM Ground terminal (for I/O) Address signal output to the SD-RAM Power supply terminal (+3.3V) (for I/O) Serial data request signal output to the DVD decoder Header flag signal input from the DVD decoder Serial data transfer clock signal input from the DVD decoder Serial data effect flag signal input from the DVD decoder Error flag signal input from the DVD decoder Stream data signal input from the DVD decoder 101

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
101
HCD-C770/C990
Pin No.
Pin Name
I/O
Description
122
WRFD
I
Not used
123
WCK
I
Operation clock signal input for PSP physical disc mark detection from the DVD decoder
124, 125
WAVDD0,
WAVDD1
—
A/D power supply terminal (+2.5V) (for PSP physical disc mark detection)
126
WARFI
I
Analog RF signal input for PSP physical disc mark detection from the DVD/CD RF amplifier
127
WAVRB
I
A/D bottom reference terminal for PSP physical disc mark detection
128, 129
WAVSS0, WAVSS1
—
A/D ground terminal (for PSP physical disc mark detection)
130
VSIO
—
Ground terminal (for I/O)
131 to 134
DQ7 to DQ4
I/O
Two-way data bus with the SD-RAM
135
VDIOA2
—
Power supply terminal (+3.3V) (for I/O)
136 to 139
DQ3 to DQ0
I/O
Two-way data bus with the SD-RAM
140
VSIOA3
—
Ground terminal (for I/O)
141
DCLK
O
Clock signal output to the SD-RAM
142
DCKE
O
Clock enable signal output to the SD-RAM
143
XWE
O
Write enable signal output to the SD-RAM
144
XCAS
O
Column address strobe signal output to the SD-RAM
145
XRAS
O
Row address strobe signal output to the SD-RAM
146
VDIOA3
—
Power supply terminal (+3.3V) (for I/O)
147
NC
O
Not used
148, 149
A11, A10
O
Address signal output to the SD-RAM
150
VSCA3
—
Ground terminal (for core)
151, 152
A9, A8
O
Address signal output to the SD-RAM
153
VDCA3
—
Power supply terminal (+2.5V) (for core)
154 to 157
A7 to A4
O
Address signal output to the SD-RAM
158
VSIOA4
—
Ground terminal (for I/O)
159 to 162
A3 to A0
O
Address signal output to the SD-RAM
163
VDIOA4
—
Power supply terminal (+3.3V) (for I/O)
164
XSRQ
O
Serial data request signal output to the DVD decoder
165
XSHD
I
Header flag signal input from the DVD decoder
166
SDCK
I
Serial data transfer clock signal input from the DVD decoder
167
XSAK
I
Serial data effect flag signal input from the DVD decoder
168
SDEF
I
Error flag signal input from the DVD decoder
169 to 176
SD0 to SD7
I
Stream data signal input from the DVD decoder