Sony HCD-RV22 Service Manual page 55

Pin No. Pin Name
158 AVS0
159 ADIO
160 RFDC
161 CE
162 TE
163 SE
164 FE
165 VC
166 VPCO
167 VCTL
168 FILO
169 FILI
170 PCO
171 CLTV
172 AVS1
173 RFAC
174 BIAS
175 ASYI
176 ASYO
177 AVD1
178 VDD7
179 SOUT
180 SOCK
181 XOLT
182 C4M
183 LOCK
184 VSS7
185 MD2
186 SCSY
187 PWMI
188 VDD8
189 XTSL
190 VSS8
191 PVS2
192 LPFI
193 LPFO
194 PVD2
195, 196 NC
197 PVD1
198 PVS1
199 TMODE0
200 AUDDTI
201 AUDDTO0
I/O
— Analog ground pin
O Output for the test Not used.
I RF signal input from the RF amplifier
I Center servo analog signal input
I Tracking error signal input from the RF amplifier
I Sled error signal input from the RF amplifier
I Focus error signal input from the RF amplifier
I Center voltage (+1.65 V) input
O Wide-band EFM PLL charge pump output
I Wide-band EFM PLL VCO2 control voltage input
O Master PLL filter output
I Master PLL filter input
O Master PLL charge pump output
I Multiplier VCO1 control voltage input
— Analog ground pin
I EFM signal input from the RF amplifier
I Asymmetry circuit constant current input
I Asymmetry comparator voltage input
O EFM full-swing output
— Analog power supply pin (2.5 V)
— Digital power supply pin (+2.5 V) (for CD-DSP block)
O Serial data output Not used. (Open)
O Serial data readout clock signal output Not used. (Open)
O Serial data latch pulse signal output Not used. (Open)
O 4.2336 MHz clock signal output Not used. (Open)
O GFS is sampled by 460 Hz "H" output when GFS is "H"
— Digital ground pin
Digital out on/off control signal input "L": digital out off, "H": digital out on
I
Not used. (Fixed at "L".)
I Guard subcode sync (S0+S1) resynchronization input Not used. (Fixed at "L".)
I Spindle motor external control signal input Not used. (Fixed at "L".)
— Digital power supply pin (+2.5 V) (for CD-DSP block )
Input for the system clock frequency setting
I
"L": 16.9344 MHz, "H": 33.8688 MHz Fixed at "H" in this set
— Digital ground pin
— Analog ground pin (for PLL2)
I Connected of PLL2 filter
O Connected of PLL2 filter
— Analog power supply pin (+2.5 V) (for PLL2)
— Not used. (Open)
— Analog power supply pin (+2.5 V) (for PLL1)
— Analog ground pin (for PLL1)
I Selection signal input for the test Not used. (Fixed at "L".)
I Serial audio data input Not used. (Fixd at "L".)
O Serial audio data output to the digital filter
HCD-RV22/RV55
Pin Description
55