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LG GWA-4164B Service Manual page 63

Dvd/cd rewritable drive
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Pin
Pin Name
Number
64
PWM1A
65
PWM1B
P11
66
PWM2A
P27
67
PWM2B
P12
TX
68
PWM3A
69
PWM3B
P13
70
PWM4
71
FG
72
SEN
73
SCK
74
SDAT
75
RSEN
76
RSDAT
77
BDO
78
MASTER
P23
79
NRESET
80
HDD7
81
HDD8
82
HDD6
83
VSS
84
VDD12
85
VDD3
86
HDD9
87
HDD5
88
HDD10
89
HDD4
90
HDD11
91
HDD3
92
HDD12
93
HDD2
94
HDD13
95
VSS
I/O
Connection
Target
O
DRIVER
I/O
DRIVER
I/O
DRIVER
I/O
DRIVER
O
DRIVER
I/O
DRIVER
O
DRIVER
I
DRIVER
O
FEP
O
FEP
I/O
FEP
O
FEP
O
FEP
I
FEP
I/O
HOST
I
HOST
I/O
HOST
I/O
HOST
I/O
HOST
GND
GND
Power supply Power supply
Power supply Power supply
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
I/O
HOST
GND
GND
Description
Focus 2(tilt) drive differential PWM+ output, focus 2 drive BSDA output.
Focus 2(tilt) drive differential PWM-output
General-purpose I/O
Tracking drive differential PWM+ output, tracking drive BSDA output
General-purpose I/O
Tracking drive differential PWM-output
General-purpose I/O, IEC958-compliant digital output
Debugging serial TX
Traverse drive differential PWM+ output, stepper 1 drive output
Traverse drive differential PWM- output, stepper 2 drive output
General-purpose I/O
Spindle drive output
Spindle FG input(5V input)
FEP serial interface enable
FEP serial interface clock
FEP serial interface data
FEP serial interface enable2(RF)
FEP serial interface data2(RF)
Dropout signal
ATAPI master/slave signal
General-purpose I/O
ATAPI reset signal
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
Digital Vss
Internal logic Vpp(1.2V)
I/O pad V
(3.3V)
DD
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
ATAPI data I/O
Digital Vss
67

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