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LG GSA-4040B Service Manual page 49

Super multi dvd drive
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Pin no.
Pin Name
37
RLDON
38
GND4
39
TZC
40
PWDETO
41
RECD1
42
BLANK
43
RFHLD/TISH1
44
IDGATE
45
LO_ZB/SPDSH
46
RDGATE
47
WOBSIG
48
IP2/MIRR
49
IP1/LPPOUT
50
MCLK
51
VCC4
52
DFT
53
SCLK
54
SDATA
55
SDEN
56
MRSTB
57
VDD
58
MIRRHPF
59
MIRRBOTH
60
MIRRTOPH
61
BOTH
62
TOPH
63
SUBI/LPPSIG
64
SUBO/LPPMON
65
EQFCF
66
IREFE
67
GND1
Type
Digital-Input
Ground
Digital-Output
Digital-Output
Digital-Output
Digital-Output
Digital-Input
Digital-Input
Digital-Input
Digital-Input
Digital-Output
Digital-Output
Digital-Output
Digital/Analog-Input
Power
Digital-Output
Digital-Input
Digital-Input/Output
Digital-Input
Digital-Input
Power
External-capacitor required
External-capacitor required
External-capacitor required
External-capacitor required
External-capacitor required
Analog-Input
Analog-Output
External-capacitor required
External-resistor required
Ground
Function
APC Read laser driver output control.
Ground[digital].
Tracking zero cross signal digital output port.
Laser diode over power detection output port.
Write/non-write detection output port.
Write/non-write detection output port/BD detection
output port.
RF hold control signal input port.
ID Select pulse input port.
Low-z [inversion] pulse input port.
Read gate signal input port.
WOBBLE signal output port.
ID detection signal output port/Mirror detection output
port.
ID detection signal output port/LPP detection output
port.
Main clock input/Equalizer Automatic control clock
input/LPP output port.
Power[digital].
Defect detects output port.
Serial clock input port.
Serial data output port.
Serial enable input port.
Master-reset inversion input port.
Digital output [power supply 3.3V].
Mirror envelops detection HPF capacity connecting
port.
Mirror envelops detection bottom hold capacity
connecting port.
Mirror envelops detection top hold capacity connecting
port.
Envelops detection bottom hold capacity connecting
port.
Envelops detection top hold capacity connecting port.
HPF input for ID detection / HPF input port for LPP
detection.
HPF output for ID detection / HPF output port for LPP
detection.
Automatic control External capacity connection for RF
Equalizer.
External resistor connection for RF Equalizer setting.
Ground.
51

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