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LG GSA-4040B Service Manual page 48

Super multi dvd drive
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• Pin Description
Pin no.
Pin Name
1
LPS-A
2
LPS-B
3
FE
4.
PE
5
TE
6
WRFIN
7
TEIN
8
SIGM
9
BCENT
10
PHBETA/TCE
11
BHBETA/TIE
12
VCC3
13
FVREF
14
FMD
15
GND3
16
LDOUT
17
RREF
18
VRDC2N/PWRMON
19
VRDCN
20
VRDC
21
WAG1
22
WAG2
23
WAG3
24
WOBFCF
25
ATEST
26
AWOBSIG
27
VCC5
28
BHC
29
GND5
30
LNDTRK
31
SPBLVL/TISH2
32
RFPDSH
33
WFPDSH
34
MPDSH/SPDSH
35
WBLSH
36
WGATE
50
Type
Analog-Output
Analog-Output
Analog-Output
Analog-Output
Analog-Output
Analog-Input
Analog-Input
Analog-Output
Analog-Output
Analog-Output
Analog-Output
Power
Analog-Input
Analog-Input
Ground
Analog-Output
Analog-Output
External-capacitor required
External-components required
External-components required
External-capacitor required
External-capacitor required
Analog-Output
Analog-Output
Power
External-capacitor required
Ground
Digital-Input
Digital-Input
Digital-Input
Digital-Input
Digital-Input
Digital-Input
Digital-Input
Function
Lens shift signal output port.
Lens shift signal output port.
Focus error output port.
PE output.
Tracking error output port.
WRF signal input port.
TZC detection TE signal input port.
Analog signal monitor output port.
OPC center signal output port.
OPC top hold level signal & APC light sampling signal
output/Tilt servo detection output port.
OPC bottom hold level signal & R-OPC light sampling
signal output/Tilt servo detection output port.
Power.
APC Reference voltage input port.
APC monitor diode input.
Ground.
APC Read laser driver control port.
APC Read setting reference voltage output port.
APC Read laser driver control filter connecting port/SH
monitor output.
APC Read laser driver control filter connecting port.
APC Read laser driver control filter connecting port.
WOBBLE AGC detector capacity connecting port.
OB-BPF Automatic control External capacity
connecting port.
Analog test signal output port.
Analog level Wobble signal output port.
Power.
External capacity connecting port for LPP bottom hold.
Ground.
Balance control mode selecting.
R-OPC WRF signal sampling pulse input port/Tilt servo
detection sampling pulse input port.
APC Read laser driver output control.
Ground[Digital].
Pick-Up input sampling pulse input port.
WOBBLE sampling pulse input port.
Read/Write control input port.

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