Sony HCD-RV22, Руководство по обслуживанию, Страница: 54 / 92

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HCD-RV22/RV55
Pin No. Pin Name I/O Pin Description
112 L SENS I SENS signal input
113 SENS O SENS signal output
114 L SLCK O SENS serial data readout clock signal output
115 SCLK I SENS serial data readout clock signal input
116 VDD3 — Digital power supply pin (+2.5 V) (for CD-DSP block)
117 ATSK I/O Input/output for anti-shock Not used. (Fixed at “L”.)
118 XUGF O XUGF signal output Not used. (Open)
119 XPCK O XPCK signal output Not used. (Open)
120 L GFS I Guard frame sync signal input
121 GFS O Guard frame sync signal output
122 VSS3 — Digital ground pin
123 L CDC2PO I C2 pointer signal input
124 C2PO O C2 pointer signal output
125 L SCOR I Subcode sync (S0+S1) detection signal input
126 SCOR O Subcode sync (S0+S1) detection signal output
127 COUT O Numbers of track counted signal output Not used. (Open)
128 VDD4 — Digital ground pin (for CD-DSP block)
129 MIRR I/O Mirror signal input/output Not used. (Open)
130 DFCT I/O Defect signal input/output Not used. (Open)
131 L FOK I/O Focus OK signal input/output
132 FOK I/O Focus OK signal input/output
133 MDP O Spindle motor servo drive signal output
134 VSS4 — Digital ground pin
135 SSTP I
Detection signal input from limit in swich
The optical pick-up is inner position when “H”
136 FSTO O 2/3 frequency-division output of the XTAI (pin 149) Not used. (Open)
137 SFDR O Sled motor servo drive signal (+) output
138 SRDR O Sled motor servo drive signal (–) output
139 VDD5 — Digital power supply pin (+2.5 V) (for CD-DSP block)
140 TFDR O Tracking coil servo drive signal (+) output
141 TRDR O Tracking coil servo drive signal (–) output
142 FFDR O Focus coil servo drive signal (+) output
143 FRDR O Focus coil servo drive signal (–) output
144 VSS5 — Digital ground pin
145 WFCK O Write frame clock signal output Not used. (Open)
146 WDCK O Word clock signal output Not used. (Open)
147 ASYE I Asymmetry circuit on/off control signal input “L”: off, “H”: on Not used. (Open)
148 VDD6 — Digital power supply pin (+2.5 V) (for CD-DSP block)
149 XTAI I Main system clock input (33.8688 MHz)
150 XTAO O Main system clock output (33.8688 MHz)
151 VSS6 — Digital ground pin
152 TES1 I Input for the test Normally: fixed at “L”.
153 TEST I Input for the test Normally: fixed at “L”.
154, 155 NC — Not used. (pin 154: Open, Pin 155: Fixed at “L”.)
156 AVD0 — Analog power supply pin (+2.5 V)
157 IGEN I Operational amplifier constant current input