LG CRD-8480M Service Manual page 23

Motor and Actuator Driver Interface
168 FG
169 DVDD
170 ENDM
171 DGND
172 HRFZC
173 FMO2
174 FMO
175 DMO
176 DVDD3
177 TEBC
178 DGND
179 PDMVSS
180 TRO
181 FOO
182 PDMVDD
Signal Amplifier Interface
183 TEZILP
184 ADCVSS
185 RFRPSLV
186 RFRO
187 ADCVDD
TEST mode
36 TESTMODE
TTL Input, SMT Motor Hall sensor input.
50K pull-up
Power(5V) Power pin for internal digital circuitry.
TTL Output Enable/disable disk motor. A logical high enables disk motor.
Ground Ground pin for internal digital circuitry.
Digital Input High speed mirror signal input
Analog Output Feed motor control. PWM output.
Analog Output Feed motor control. PWM output.
Analog Output Disk motor control output. PWM output.
Power(3.3V) Power pin for digital circuitry.
Analog Output Tracking error balance control. PWM output.
Ground Ground pin for digital circuitry.
Ground Ground for PDM circuitry.
Analog Output Tracking servo output. PDM output of tracking servo
compensator.
Analog Output Focus servo output. PDM output of focus servo compensator.
Analog Power for PDM circuitry.
Power(3.3V)
Analog Input Tracking error zero crossing low pass input.
Ground Ground pin for ADC circuitry.
Analog Output RF ripple slice level output.
Analog Output RF ripple detect output
Analog Power pin for ADC circuitry.
Power(3.3V)
Digital Input Enable test mode high active
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