LG GSA-5163D Service Manual page 48

1.4.4 Encoder Interface Pin List
Pin Name Pin No.
IP1LPPIN 52
IP2MIRR 55
WOBSIG 56
LSRERR 59
RDGATE 68
LOWZB 69
IDGATE 70
RFHLD 71
WRGATE2 72
WBLSH 73
MPDSH 74
WFPDSH 75
RFPDSH 76
TCSHSPBLV 77
WRGATEB 80
SRFH 81
SRFL 82
WRSTOP 83
LNDTRK 84
LSRON 85
NRZI 94
NRZIB 95
DCLKB 96
DCLK 97
ADIPVR1 249
ADIPVRT 250
ADIPINP 251
57
I/O Destination
I AFE
I AFE
I AFE
I AFE
O AFE
O AFE
O AFE
O AFE
O AFE
O AFE
O AFE
O AFE
O AFE
O AFE
O PU
O PU
I PU
O AFE/PU
O AFE
AO PU
AO PU
AO External
Components
AO External
Components
AI AFE
Function
PID area identification signal/LPP input signal
PID area identification signal/MIRR signal
Wobble signal input
Laser error signal
PLL input switch signal
Input impedance switch control signal/SPDSH; running
OPC sampling pulse (Pit top)
ID/data switch signal/wobble signal sampling pulse 2
VFO3 holding signal and track center signal sample &
hold signal
Write gate signal output
Wobble signal sampling pulse
Main beam sampling pulse
Laser control sampling pulse
(Front monitor write/erase block)
Laser control sampling pulse
(Front monitor read block)
VFO1 track center signal sample & hold pulse/SPBLVL;
running OPC sampling pulse (Pit end)
Write gate signal
I- V amplifier gain switch (HI side)/I- V amplifier gain
switch (for binary))
I- V amplifier gain switch (Low side)
Write stop gate signal
Land/groove switch
Laser ON/OFF signal (with internal control)
NRZI output after modulation (normal phase)
NRZI output after modulation (counter phase)
NRZI sync clock (counter phase)
NRZI sync clock (normal phase)
AD related pin for ADIP detection
AD related pin for ADIP detection
ADIP detect input pin