LG RCT689H, Service Manual

Page: 154 / 165

5-35
Pin no. Pin Name Type Function
78 RFIN2 I RFAGC signal input pin 2.
79 RFIN1 I RFAGC signal input pin 1.
80 HDVREF O 2.2V reference voltage output pin.
81 CLPPPH I Capacitor connection pin for LPP peak hold
82 CLPPHPF I Capacitor connection pin for LPPHPF
83 RFOUT O RF signal output pin.
84 NC - -
85 AIDENV/WBLDIF O ASENV binary output/Differential signal output pin for ADIP detection
86 CDRF I CD RF signal input pin.
87 RFA I DVD RF differential input pin 1.
88 RFB I DVD RF differential input pin 2.
89 CWBLBUF I Capacitor connection pin for WBLDIF.
90 CWBLCMP I Floating Capacitor connection pin for VGA before WBL binary.
91 CRWAGC I AGC adjustment capacitor connection pin for +RW.
92 CRWCMP I Floating Capacitor connection pin for VGA before WBLDIF AGC.
93 CWBLVGA2 I Floating Capacitor connection pin for VGA before SRL.
94 CWAGC2 I AGC adjustment capacitor connection pin 2 for WBL extraction.
95 CWAGC1 I AGC adjustment capacitor connection pin 1 for WBL extraction.
96 VCC21 PS -
97 NC - -
98 NC - -
99 NC - -
100 GND2 PS Power supply pin for RF gene/WBL (5.0V)
101 AIN I DVD Tracking input pin 1.
102 BIN I DVD Tracking input pin 2.
103 CIN I DVD Tracking input pin 3.
104 DIN I DVD Tracking input pin 4.
105 VCC6 PS Power supply pin for DPD (3.3V)
106 EIN I CD main signal input pin 1.
107 FIN I CD main signal input pin 2.
108 VCC1 PS Power supply pin for INPUT MATRIX/SERVO (5.0V)
109 GIN I CD servo signal input pin 1.
110 HIN I CD servo signal input pin 2.
111 GND1 PS Ground pin for INPUT MATRIX/SERVO/DPD.
112 SVREF I OEIC signal reference level input pin.
113 CPCAPH I PCA pick hold capacitor connection pin.
114 CPCABH I PCA bottom bold capactior connection pin.
115 NC I -
116 VHALF O Reference voltage output pin 1/2 VCC (3.3V).
117 CTC2 I Floating capacitor connection pin for tracking error binary.