LG GSA-4040B Service Manual page 49

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