![background image](http://html.mh-extra.com/html/lg/gsa-4166b/gsa-4166b_service-manual_211208056.webp)
60
Pin no.
Pin Name
Type
Function
41
OFTR
O
OFTR signal output
42
BDO
O
BDO output
43
VCC51
PS
Power supply pin for CMOS I/F & internal current source power supply pin 1(3.3V)
44
GND5
PS
Ground pin for CMOS I/F
45
WTGT
I
Light gate signal input (pull-down)
46
FEPIDGT/SH6
I
CAPA through signal input pin/ servo sampling signal input pin(pull-dowm)
47
NC
-
-
48
WIDGT/SH4
I
VFO through signal input pin
ROPC mark detection sampling signal input pin (pull-down)
49
SH3
I
PCA average detection, APC space detection/Playback power detection/
Erase detection sample timing signal input pin(pulldown)
50
SH2
I
PCA peak/bottom detection, APC space detection/Playback power detection/
Erase detection sample timing signal input pin(pulldown)
51
SH1
I
ROPC space detection, APC space detection/Playback power detection sample
timing signal input pin(pulldown)
52
SH5
I
Sample-and-hold timing signal input pin of wobble S/H at recording (pull-down)
53
VCC4
PS
Power supply pin for internal LOGIC(5.0V)
54
SEN
I
Serial enable input (pulldown)
55
SCK
I
Serial clock input (pullup)
56
SDAT
I/O
Serial signal data input
57
RSEN
I
Serial enable input for RF (pulldown)
58
RSDAT
I
Serial signal data input for RF
59
VCC52
PS
Power supply pin for CMOS I/F & internal current source power supply pin2 (3.3V)
60
GND4
PS
Ground pin for internal LOGIC
61
ASENV/LPPM
O
ASENV output/LPP mark output pin
62
LPPS
O
LPP space output pin
63
WBL
O
WBL binary output
64
CLUMPGT
I
RFAGC input bias circuit clamp setting input pin (pulldown)
65
PAD0
I
A/D input pin 0
66
PAD1
I
A/D input pin 1
67
PAD2
I
A/D input pin 2
68
PAD3
I
A/D input pin 3
69
PAD4
I
A/D input pin 4
70
PAD5
I
A/D input pin 5
71
PAD6
I
A/D input pin 6
72
PAD7
I
A/D input pin 7
73
EQOUTN
O
Equalizer filter ouptut N pin
74
EQOUTP
O
Equalizer filter output P pin
75
FLTAMP
I
FILTER final stage AMP reference voltage stabilization pin
Содержание GSA-4166B
Страница 18: ...2 2 Pick up A Release 1 screw C and remove the Pick up Pick up Unit Pick up C Fig 2 2 18 ...
Страница 39: ...43 3 MD Assy For LightScribe Optical Encoder Unit OPU ID Movement Range L 21um ...
Страница 86: ...90 CD Laser Power Setup Result HC_CD Laser Power Setup Result DVD Laser Power Setup Result ...