![background image](http://html.mh-extra.com/html/lg/gsa-4165b/gsa-4165b_service-manual_211205055.webp)
59
pin Name
pin No. Type
max. voltage
Function
SUBO/LPPMON
71
Analog-Output
ID detecting HPF output terminal/LPP detecting HPF
output terminal
EQFCF
72
External-capacitor required
Terminal to connect RF-equalizer fc auto-adjustment
external capacitor
IREFE
73
External-resistor required
Terminal to connect RF-equalizer fc setting external
resistor
AGHPF2
74
External-capacitor required
Terminal to connect AGC high pass filter capacitor
AGHPF1
75
AGFU
76
External-capacitor required
AGC filter connecting terminal
AGFR
77
External-capacitor required
VCC1
78
Power
Power supply connected terminal(5V)
SUMF/SUMF2
79
Analog-Input/ /External-capacitor required
VDD
SUM RF input/SUM differential amp. DC filter
connected terminal
RFIP
80
Differential-Input
VDD
RF differential input terminal
RFIN
81
SRVREF
82
Analog-Input
VDD
DSP supply voltage (3.3V) input terminal
FVREFO
83
Analog-Output
2.5V reference bias voltage output terminal
IREFT
84
External-resistor required
Terminal to connect reference current setting external
resistor
VREF1
85
Analog-Output
2.1V reference bias voltage output terminal
HAVC
86
Analog-Input
VCC
Pickup reference voltage input terminal
SA
87
Analog-Input
VCC
Sub beam 4D input terminal
SB
88
Analog-Input
SC
89
Analog-Input
SD
90
Analog-Input
VDD2
91
Power
Power supply connected terminal(3.3V)
MA
92
Analog-Input
VCC
Main beam 4D input terminal
MB
93
Analog-Input
MC
94
Analog-Input
MD
95
Analog-Input
GND2
96
Ground
Ground connected terminal
AIN1
97
Analog-Input
VDD
Analog input terminal
AIN2
98
Analog-Input
AIN3
99
Analog-Input
SIGM
100
Analog-Output
Analog signal monitoring output terminal