Sony HCD-RV990D Service Manual page 111

Pin No. Pin Name
135 SPO
136 VC2
137 MDIN2
138 MDIN1
139 VCCA1
140 CLVS
141 VSS
142 MDSOUT
143 VDD
144 MDPOUT
145 DFCT
146 GSCOR
147 EXCK
148 SBIN
149 VSS
150 SCOR
151 WFCK
152 VDD5V
153 XRCI
154 VDDS
155 C2PO
156 VDD
157 DBCK
158 BCLK
159 DDAT
160 MDAT
161 VSS
162 DLRC
163 LRCK
164 XRST
165 IFS0
166 IFS1
167 XTAL
168 VSS
169 XTL2
170 XTL1
171 VDD
172 to 176 D0 to D4
I/O
Spindle motor control signal output to focus/tracking coil driver, spindle/sled motor
O
driver IC.
I Middle point voltage (+1.65 V) input
I Spindle motor servo drive signal input
I MDP input
— Power supply pin (+3.2 V)
O Control signal output to selection the spindle control filter constant at CLVS.
— Ground
O Frequency error output pin of internal CLV circuit.
— Power supply pin (+3.2 V)
O Phase error output pin of internal CLV circuit.
I Not used (Connected to ground)
Guard subcode sync (S0+S1) detection signal input from CD decoder, digital servo
I
processor IC.
Subcode serial data reading clock signal output to CD decoder, digital servo processor
O
IC.
I Subcode serial data input from CD decoder, digital servo processor IC.
— Ground
Subcode sync (S0+S1) detection signal input from CD decoder, digital servo
I
processor IC.
I Write frame clock signal input from CD decoder, digital servo processor IC.
— Power supply pin (+5 V)
I Not used (Fixed at L)
— Power supply pin (+5 V)
I C2 pointer signal input from CD decoder, digital servo processor IC.
— Power supply pin (+3.2 V)
O Not used (Open)
I Bit clock signal (2.8224 MHz) input from CD decoder, digital servo processor IC.
O Not used (Open)
I Signal data input from CD decoder, digital servo processor IC.
— Ground
O Not used (Open)
L/R sampling clock signal (44.1 kHz) input from CD decoder, digital servo processor
I
IC.
I Reset signal input from mechanism control IC. (L: reset)
I Not used (Connected to ground)
I Not used (Connected to VDD)
I 33.8688 MHz clock signal input from clock generator IC.
— Ground
O 33.8688 MHz clock signal output to clock generator IC.
I 33.8688 MHz clock signal input from clock generator IC.
— Power supply pin (+3.2 V)
I/O Two-way data bus signal input from/output to mechanism control IC.
HCD-RV660D/RV990D
Pin Description
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