LG GSA-4040B Service Manual page 56

1.4.2 Servo Pin List
Pin Name
Pin No.
FE 27
TE 33
LPSAGT 34
PE 28
SF 29
ST 37
TCPH 36
GFTIBH 30
BCENT 31
LPSB 35
FOD 39
TRD 41
DAVC 40
TZC 24
BLANK 23
FODP 13
FODN 14
TRDP 7
TRDN 8
TLDP 9
TLDN 10
ENC1/SLBP 15
ENC2/SLBN 16
TVDP/SLAP 18
TVDN/SLAN 19
SPD 20
PWM 21
SFG 17
DEFECT 22
58
I/O Destination
Ball No.
1J AI
4L AI
1M AI
3K AI
2K AI External
Components
External
4M AI
Components
2L AI
4K AI
1K AI
3L AI
3M AO
4N AO
2M AO External Capacitor
3J I
1H I
1E TO
4F
1C TO
3D
1D TO
34E
2G 5IO
3G
4G TO
2H
3H TO
1G TO
1F 5I
4H I
AFE Focus Error Input Pin
AFE Tracking Error Input Pin
AFE Lens Positioning A & GT Signal Input Pin
AFE PE Signal Input Pin
Focus Shock Signal Input Pin
Tracking Shock Signal Input Pin
AFE Tracking center / PHBETA
AFE A reverse focusing /tilt error / BETA bottom hold
AFE BETA Center
AFE Lens Positioning B
DRVR Focus Control Signal Output Pin
DRVR Tracking Control Signal Output Pin
Reference Voltage Output Pin of Servo DAC
AFE Input Pin for Tracking Zero Crossing Signal
Detection
AFE Input Pin for BLANK Detection
DRVR Focus Drive Signal Output
DRVR Tracking Drive Signal Output Pin
DRVR Tilt Drive Signal Output Pin
DRVR Encode Pulse Input Pin
This terminal can set the ENCODE pulse input
and the stepping motor control output by the
register.
DRVR DC Motor Control Output Pin
This terminal can set the DC motor slider control
output and the stepping motor control output by
the register.
DRVR Spindle Control Output Pin
Reference PWM
DRVR Spindle FG Input Pin
AFE DEFECT Detection Input Pin
Function