Sony HCD-RV222 Service Manual page 56

HCD-RV222
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Pin No. Pin Name
112 L SENS
113 SENS
114 L SLCK
115 SCLK
116 VDD3
117 ATSK
118 XUGF
119 XPCK
120 L GFS
121 GFS
122 VSS3
123 L CDC2PO
124 C2PO
125 L SCOR
126 SCOR
127 COUT
128 VDD4
129 MIRR
130 DFCT
131 L FOK
132 FOK
133 MDP
134 VSS4
TE
L 13942296513
135 SSTP
136 FSTO
137 SFDR
138 SRDR
139 VDD5
140 TFDR
141 TRDR
142 FFDR
143 FRDR
144 VSS5
145 WFCK
146 WDCK
147 ASYE
148 VDD6
149 XTAI
150 XTAO
151 VSS6
152 TES1
153 TEST
154, 155 NC
156 AVD0
157 IGEN
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I/O
I SENS signal input
O SENS signal output
O SENS serial data readout clock signal output
I SENS serial data readout clock signal input
— Digital power supply pin (+2.5 V) (for CD-DSP block)
I/O Input/output for anti-shock Not used. (Fixed at "L".)
O XUGF signal output Not used. (Open)
O XPCK signal output Not used. (Open)
I Guard frame sync signal input
O Guard frame sync signal output
— Digital ground pin
I C2 pointer signal input
O C2 pointer signal output
I Subcode sync (S0+S1) detection signal input
O Subcode sync (S0+S1) detection signal output
O Numbers of track counted signal output Not used. (Open)
— Digital ground pin (for CD-DSP block)
I/O Mirror signal input/output Not used. (Open)
I/O Defect signal input/output Not used. (Open)
I/O Focus OK signal input/output
I/O Focus OK signal input/output
O Spindle motor servo drive signal output
— Digital ground pin
Detection signal input from limit in swich
I
The optical pick-up is inner position when "H"
O 2/3 frequency-division output of the XTAI (pin 149) Not used. (Open)
O Sled motor servo drive signal (+) output
O Sled motor servo drive signal (–) output
— Digital power supply pin (+2.5 V) (for CD-DSP block)
O Tracking coil servo drive signal (+) output
O Tracking coil servo drive signal (–) output
O Focus coil servo drive signal (+) output
O Focus coil servo drive signal (–) output
— Digital ground pin
O Write frame clock signal output Not used. (Open)
O Word clock signal output Not used. (Open)
I Asymmetry circuit on/off control signal input "L": off, "H": on Not used. (Open)
— Digital power supply pin (+2.5 V) (for CD-DSP block)
I Main system clock input (33.8688 MHz)
O Main system clock output (33.8688 MHz)
— Digital ground pin
I Input for the test Normally: fixed at "L".
I Input for the test Normally: fixed at "L".
— Not used. (pin 154: Open, Pin 155: Fixed at "L".)
— Analog power supply pin (+2.5 V)
I Operational amplifier constant current input
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8
Pin Description
Q Q
3 6 7 1 3 1 5
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
9 9