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LG GWA-4164B Service Manual page 56

Dvd/cd rewritable drive
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Pin no.
Pin Name
41
OFTR
42
BDO
43
VCC51
44
GND5
45
WTGT
46
FEPIDGT/SH6
47
NC
48
WIDGT/SH4
49
SH3
50
SH2
51
SH1
52
SH5
53
VCC4
54
SEN
55
SCK
56
SDAT
57
RSEN
58
RSDAT
59
VCC52
60
GND4
61
ASENV/LPPM
62
LPPS
63
WBL
64
CLUMPGT
65
PAD0
66
PAD1
67
PAD2
68
PAD3
69
PAD4
70
PAD5
71
PAD6
72
PAD7
73
EQOUTN
74
EQOUTP
75
FLTAMP
60
Type
Function
O
OFTR signal output
O
BDO output
PS
Power supply pin for CMOS I/F & internal current source power supply pin 1(3.3V)
PS
Ground pin for CMOS I/F
I
Light gate signal input (pull-down)
I
CAPA through signal input pin/ servo sampling signal input pin(pull-dowm)
-
-
I
VFO through signal input pin
ROPC mark detection sampling signal input pin (pull-down)
I
PCA average detection, APC space detection/Playback power detection/
Erase detection sample timing signal input pin(pulldown)
I
PCA peak/bottom detection, APC space detection/Playback power detection/
Erase detection sample timing signal input pin(pulldown)
I
ROPC space detection, APC space detection/Playback power detection sample
timing signal input pin(pulldown)
I
Sample-and-hold timing signal input pin of wobble S/H at recording (pull-down)
PS
Power supply pin for internal LOGIC(5.0V)
I
Serial enable input (pulldown)
I
Serial clock input (pullup)
I/O
Serial signal data input
I
Serial enable input for RF (pulldown)
I
Serial signal data input for RF
PS
Power supply pin for CMOS I/F & internal current source power supply pin2 (3.3V)
PS
Ground pin for internal LOGIC
O
ASENV output/LPP mark output pin
O
LPP space output pin
O
WBL binary output
I
RFAGC input bias circuit clamp setting input pin (pulldown)
I
A/D input pin 0
I
A/D input pin 1
I
A/D input pin 2
I
A/D input pin 3
I
A/D input pin 4
I
A/D input pin 5
I
A/D input pin 6
I
A/D input pin 7
O
Equalizer filter ouptut N pin
O
Equalizer filter output P pin
I
FILTER final stage AMP reference voltage stabilization pin

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