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LG GSA-4040B Service Manual page 59

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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
61

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