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LG GWA-4164B Service Manual page 62

Dvd/cd rewritable drive
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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

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Gwa-4166bGsa-4166b