LG RH4820W Service Manual page 85

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