LG GSA-4040B Service Manual page 59

1.4.5 Encoder Interface Pin List
Pin Name
Pin No.
WRGATE2 85
WBLSH 86
MPDSH 87
WFPDSH 88
RFPDSH 89
TCSHSPBLV 92
LSRERR 93
WOBSIG 94
RDGATE 95
LOWZB/SPDSH 96
IDGATE 97
RFHLD 98
IP1LPPIN 99
IP2MIRR 100
NRZI 108
NRZIB 109
DCLK 110
DCLKB 111
LSRON 84
WRGATEB 103
SRF2 104
WRSTOP 105
LNDTRK 106
ADIPINP 115
ADIPINN 116
ADIPAGNI 113
ADIPVRT 117
ADIPVR1 118
ADIPVRB 120
I/O Destination
Ball No.
7Y O
8U O
8Y O
9V O
9W O
10V O
10W I
10U I
10Y O
11Y O
11U O
12Y O
11V I
11W I
13W AO
14U
15Y AO
14V
8V O
12V O
12W O
13U I
14Y O
15V AI
17Y AI
Components
15U AO External Capacitor
16U AO External Capacitor
15W AO External Capacitor
18Y AO External Capacitor
AFE Write Control Signal Output Pin for AFE
AFE Wobble signal sampling pulse
AFE Main beam sampling pulse
AFE The sampling pulse for laser control
AFE The sampling pulse for laser control
AFE The terminal of a VFO1 track center signal sample
/ hold pulse it can change TCSH (VFO1 track
center signal sample & hold pulse) and SPBLV
(sampling pulse for Running OPC) by register
setup.
AFE Laser Error Signal Input Pin
AFE Wobble Signal Input Pin
AFE PLL Input change signal
AFE The terminal of an input impedance change
control signal / sub beam sampling pulse it can
change LOWZB (input impedance change control
signal) and SPDSH (sub beam sampling pulse) by
register setup.
AFE ID / data change signal
AFE The terminal of VFO3 flow part sample hold signal
it can change RFHLD (VFO3 flow part sample &
hold pulse), a track center S/H signal, and a focal
offset S/H signal by register setup.
AFE LPP [ a PID area discernment signal] input signal
AFE MIRR [ a PID area discernment signal] input signal
LDD After modulation NRZI output (differential) -- this
terminal serves as a LVDS output.
LDD NRZI synchronous clock (differential) -- this
terminal serves as a LVDS output.
LDD Laser On/Off signal Output Pin
LDD Write Control Signal Output Pin for LD
OPIC I-V amplifier gain change
LDD Write Stop Signal Input Pin
LDD land / groove change
AFE
AFE The input for ADIP detection
External Reference voltage input terminal
ADC conversion control voltage output terminal
ADC conversion reference voltage output terminal
ADC reference voltage output terminal
ADC conversion reference voltage output terminal
Function
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