LG RH4820W, Руководство по обслуживанию

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Pin No. Pin Name Type Description
121 MIRRBCA 3V O Pull-up RF AMP PC3320 RF equalizer automatic follow-up clock output.
122 EQCK1 3V O Pull-up RF AMP PC3320 RF equalizer fixed clock output.
123 SCFCK 3V O P RF AMP PC3320 RF equalizer automatic follow-up clock output.
124 WLDON 3V O L Laser, Driver write laser control signal.
125 ROPC2 3V O L Running OPC,sample hold signal.
126 DVDD33 - - - Digital power.[3.3V]
127 DGND - - - Digital GND
128 ROPC1 3V O L Running OPC,sample hold signal.
129 ROPC1 3V O L APC write, sample hold signal.
130 SHAPCRE 3V O H APC read/erase, sample hold signal.
131 SHSV 3V O H Servo, sample hold signal.
132 SHWB 3V O H Wobble, sample hold signal.
133 WBLLPP 3V I - CD: 2 direct Wobble signal input, DVD: RLPP signal input.
134 TEC 3V I - Test port. It must be connected to DGND.
135 TEC 3V I - Tracking, zero, cross signal input.
136 DGND - - - Digital GND
137 LE Analog I - Lens error signal input [A/D convertor].
138 FE Analog I - Focus error signal input [A/D convertor].
139 TE Analog I - Tracking error signal input [A/D convertor].
140 SWRF2 Analog I - WRF sample hold signal input [A/D convertor].
141 SWRF1 Analog i - WRF sample hold signal input [A/D convertor].
142 REFIN Analog I - Reference voltage input [A/D convertor].
143 AGND - - - Analog GND[Servo A/D, D/A block]
144 AVDD - - - Analog power 2.5V[Servo A/D, D/A block].
145 MDRV Analog O Spindle drive output [D/A convertor output].
146 FDRV Analog O Focus drive output [D/A convertor output].
147 TDRV Analog O Trackng drive output [D/A convertor output].
148 SDRV Analog O Sled drive output [D/A convertor output].
149 REFOUT Analog O 1/2AVDD Reference voltage output.
150 DVDD25 - - - Digital power[2.5V]
151 FG 5V_tolerant I - FG signal input
152 SLED 5V_tolerant O - Sled position sensor input.
153 INT 5V_tolerant O L Interrupted request signal output to Local CPU