55LW6500-CA (CHASSIS:LC12C) - LG TV Service Manual (repair manual). Page 23

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LGE                                            Display Division                                 
                                                                                                                                                                                                               
                                                                                                                                                                                                                                          LG  전자 
LC12C Product Specification
 
8. Digital Receiver 
8-1.Digital Receiver (DTMB : ADTB-T) : C=1, 16QAM, 0.8, PN=595, M=720   
No 
Item 
Min 
Typ 
Max 
Unit 
 
 
Remarks 
1 Frequency 
Range 
474 
52.5 
 
866 
219 
MHz  
 
UHF BAND 
VHF BAND 
2 Input 
Impedance 
75 
Ω 
 
 
 
3 Carrier 
C=1 
 
 
 
Modulation 
4QAM, 16QAM, 32QAM 
 
 
 
5 Code 
Rate 
 
0.8 
 
 
 
6 Frame 
Header 
PN595 
 
 
 
7 Interleaver 
M=720 
 
 
 
 
8-1 RF 
Sensitivity(VHF) 
-85 
 
-25 
dBm 
 
 
 
8-2 RF 
Sensitivity(UHF) 
-83 
 
-25 
dBm 
 
 
 
9 Channel 
Offsets 
±150 
kHz 
 
 
 
10 
C/N with AWGN 
 
 
14 
dB 
 
 
 
11-1 
PAL CCI Protection (Analog) 
 
 
dB 
 
 
 
11-2 
PAL CCI Protection (Digital) 
 
 
14 
dB 
 
 
 
12-1 
PAL ACI protection(Analog Lower) 
 
 
-37 
dB 
 
 
 
12-2 
PAL ACI protection(Analog Upper) 
 
 
-36 
dB 
 
 
 
12-3 
PAL ACI protection(Digital) 
 
 
-28 
dB 
 
 
 
13 Ricean 
channel 
C/N 
 
 15  dB 
 
   
14 
Rayleigh channel C/N 
 
 18  dB 
 
   
 
 
 
 
 
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