LG GWA-4164B Service Manual page 62

Pin Pin Name
Number
37 FMSW
PO3
38 WTGT
39 WBL
40 FEPIDGT
41 SH5
42 WIDGT
43 SH3
44 SH2
45 SH1
46 TC
47 CLUMPGT
48 ASENV
49 POLGT
50 LPPS
51 OFTR
52 PO4
GENE0
TRCDATA3
EXTRIG2
53 TGCHG
P05
54 LSEN
55 LSCK
56 LSDAT
57 LDDENA
58 P06
HFON
59 VSS
60 VDD3
61 VHALF
P07
62 PWM0A
63 PWMOB
P10
66
I/O Connection
Target
I/O PU
O FEP
I FEP
O FEP
O FEP
O FEP
O FEP
O FEP
O FEP
I FEP
O FEP
I FEP
O FEP
I FEP
I FEP
I/O -
I/O OEIC
O PU
O PU
I/O PU
O PU
I/O -
GND GND
Power supply Power supply
I/O FEP
O DRIVER
I/O DRIVER
Description
Power monitor detector multiplier conversion signal
General-purpose I/O
Write gate
Wobble binary signal
CAPA punch out signal, main beam sampling signal
Write WOBBLE sample and hold sampling signal
VFO punch out signal, ROPC mark detection sampling signal
Sample timing signal for PCA mean value detection, APC space
detection, read power detection, and erase detection
Sample timing signal for PCA peak, bottom detection, APC peak
detection, and mean value detection
Sample timing signal for ROPC, space detection, APC space
detection, and read power detection
Track crossing signal input
RF AGC bias circuit clamp signal
ASENV/LPP mark input
CAPA polarity switch signal, sub beam sampling signal
LPP space input
Off track input
CPU external interrupt, general-purpose I/O
Inner limit switch input
Trace data 3
Trigger 2
Write power switch signal
General-purpose I/O
LDD serial interface enable
LDD serial interface clock
LDD serial interface data
LDD enable signal
CPU external interrupt(5V input)
General-purpose I/O for external high frequency module(HFM)
ON/OFF
Digital Vss
I/O pad V (3.3V)
DD
Drive pin central reference voltage input
General-purpose I/O
Focus drive differential PWM+ output, focus drive BSDA output
Focus drive differential PWM- output
General-purpose I/O