Sony SCD-C222ES - Es Series 5 Disc, Service Manual

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SCD-C222ES
Pin No. Pin Name I/O Description
126 WARFI I
Analog RF signal input for PSP physical disc mark detection from the CXD1881R (IC001)
127 WAVRB I
A/D bottom reference terminal for PSP physical disc mark detection
128, 129 WAVSS —
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 D-RAM (IC808)
135 VDIO —
Power supply terminal (+3.3V) (for I/O)
136 to 139 DQ3 to DQ0 I/O
Two-way data bus with the D-RAM (IC808)
140 VSIO —
Ground terminal (for I/O)
141 DCLK O
Clock signal output to the D-RAM (IC808)
142 DCKE O
Clock enable signal output to the D-RAM (IC808)
143 XWE O
Write enable signal output to the D-RAM (IC808)
144 XCAS O
Column address strobe signal output to the D-RAM (IC808)
145 XRAS O
Row address strobe signal output to the D-RAM (IC808)
146 VDIO —
Power supply terminal (+3.3V) (for I/O)
147 TESTO O
Output terminal for the test (normally: open)
148, 149 A11, A10 O
Address signal output to the D-RAM (IC808)
150 VSC —
Ground terminal (for core)
151, 152 A9, A8 O
Address signal output to the D-RAM (IC808)
153 VDC —
Power supply terminal (+2.5V) (for core)
154 to 157 A7 to A4 O
Address signal output to the D-RAM (IC808)
158 VSIO —
Ground terminal (for I/O)
159 to 162 A3 to A0 O
Address signal output to the D-RAM (IC808)
163 VDIO —
Power supply terminal (+3.3V) (for I/O)
164 XSRQ O
Serial data request signal output to the CXD1882R (IC701)
165 XSHD I
Header flag signal input from the CXD1882R (IC701)
166 SDCK I
Serial data transfer clock signal input from the CXD1882R (IC701)
167 XSAK I Serial data effect flag signal input from the CXD1882R (IC701)
168 SDEF I
Error flag signal input from the CXD1882R (IC701)
169 to 176 SD0 to SD7 I
Stream data signal input from the CXD1882R (IC701)