LG GSA-4163B Service Manual page 50

Pin no. Pin Name
71 AGHPF2
72 AGHPF1
73 AGFU
74 AGFR
75 VCC1
76 SUMF/SUMF2
77 RFIP
78 RFIN
79 SRVREF
80 FVREFO
81 IREFT
82 VREF1
83 HAVC
84 NC
85 SA
86 SB
87 SC
88 SD
89 VDD2
90 TRP
91 TRN
92 FOP
93 FON
94 GND2
95 MA
96 MB
97 MC
98 MD
99 NC
100 NC
52
Type
External-capacitor required
External-capacitor required
External-capacitor required
External-capacitor required
Power
Analog-Input/
External-capacitor required
Differential-Input
Differential-Input
Analog-Input
Analog-Output
External-resistor required
Analog-Output
Analog-Input
Not connected
Analog-Input
Analog-Input
Analog-Input
Analog-Input
Power
Differential-Input
Differential-Input
Gound
Analog-Input
Analog-Input
Analog-Input
Analog-Input
Not connected
Not connected
Function
Terminal to connect AGC high pass filter capacitor.
Terminal to connect AGC high pass filter capacitor.
AGC filter connecting terminal.
AGC filter connecting terminal.
Power supply connected terminal(5V).
SUM RF input/SUM differential amp DC filter connected
terminal.
RF differential input terminal.
RF differential input terminal.
DSP supply voltage (3.3V) input terminal.
2.5V reference bias voltage output terminal.
Terminal to connect reference current setting external
resistor.
2.1V reference bias voltage output terminal.
Pick-Up reference voltage input terminal.
Sub beam 4D input terminal.
Power supply connected terminal(3.3V)
Tracking error differential direct input terminal.
Focus error differential direct input terminal.
Ground connected terminal.
Main beam 4D input terminal.