Pioneer DVR-104, Service Manual

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DVR-104
66
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No. Pin Name I/O Pin Function
117 AGND
−
Analog GND (EFM comparator block)
118 DVDD25
−
2.5V positive power supply for digital
119 FOK I FOK signal input
120 MIRRBCA I Mirror signal or BCA signal input
121 HOLD I HOLD control signal input
122 TOK I TOK signal input
123 EQCK2 O Clock output for auto tracking of RF equalizer of RF amp. UPC3300
124 EQCK1 O Fixed clock output for RF equalizer of RF amp. UPC3300
125 SCFCK O Clock output for auto adjustment of RF equalizer of RF amp. UPC3300
126 WLDON O Write laser control signal of laser driver
127 ROPC2 O Sample and hold signal for running OPC
128 DVDD33
−
3.3V positive power supply for digital
129 DGND
−
Digital GND
130 ROPC1 O Sample and hold signal for running OPC
131 SHAPCW O Sample and hold signal for APC write
132 SHAPCE O Sample and hold signal for APC erase
133 SHAPCR O Sample and hold signal for APC read
134 SHMS O Sample and hold signal for main and sub push-pull
135 WOBBLE I Wobble signal (binarization signal) input
136 TEC I Tracking zerocross signal input
137 DGND
−
Digital GND
138 LE I Lens error signal input (A/D converter input)
139 FE I Focus error signal input (A/D converter input)
140 TE I Tracking error signal input (A/D converter input)
141 SWRF2 I WRF sample and hold signal input (A/D converter input) (combined use with
β
and
γ
detecting signal input)
142 SWRF1 I WRF sample and hold signal input (A/D converter input) (combined use with
β
and
γ
detecting signal input)
143 REFIN I Reference voltage signal input (A/D converter input)
144 AGND
−
Analog GND (A/D and D/A blocks for servo)
145 AVDD
−
2.5V positive power supply for analog (A/D and D/A blocks for servo)
146 MDRV O Spindle drive output (D/A converter)
147 FDRV O Focus drive output (D/A converter)
148 TDRV O Tracking drive output (D/A converter)
149 SDRV O Sled drive output (D/A converter)
150 REFOUT O Reference voltage output
151 DVDD25
−
2.5V positive power supply for digital
152 FG I FG signal input
153 SLED1 I Sled position sensor input
154 SLED2 I Sled position sensor input
155 TCLKIN I Reference clock input for spindle control
156 CKGCK O Clock generator output
157 INT O Interruption request signal output to Local CPU (open drain)
158 RDY O Access wait control signal from Local CPU to SDRAM (open drain)
159 A10 I Address bus of Local CPU
160 A9 I Address bus of Local CPU
161 A8 I Address bus of Local CPU
162 DVDD33
−
3.3V positive power supply for digital
163 DGND
−
Digital GND
164 AD7 I/O Address/data multiplex bus of Local CPU
165 AD6 I/O Address/data multiplex bus of Local CPU
166 AD5 I/O Address/data multiplex bus of Local CPU
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