LG 32LN5700 (CHASSIS:LA33B) Service Manual ▷ View online
LGE TV Division LG()
Establish : 12.7.6. 32
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
7.2 Digital Receiver
7.2.1 Digital Recriver ( 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
219
MHz
UHF BAND
VHF BAND
VHF BAND
2
Input Impedance
75
Ω
3
Carrier
C=1
4
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)
2
dB
11-2
PAL CCI Protection (Digital)
14
dB
LGE TV Division LG()
Establish : 12.7.6. 33
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
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
.Digital Receiver (DTMB : DMB-T) : C=3780, 16QAM, 0.8, PN=420, M=720
No
Item
Min
Typ
Max
Unit
Remarks
1
Frequency Range
474
52.5
866
219
219
MHz
UHF BAND
VHF BAND
VHF BAND
2
Input Impedance
75
Ω
3
Carrier
C=3780
4
Modulation
16QAM, 64QAM
5
Code Rate
0.4, 0.6, 0.8
6
Frame Header
PN420, PN945
7
Interleaver
M=720
8-1
RF Sensitivity(VHF)
-85
-25
dBm
8-2
RF Sensitivity(UHF)
-83
-25
dBm
LGE TV Division LG()
Establish : 12.7.6. 34
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
9
Channel Offsets
±150
kHz
10
C/N with AWGN
14
dB
11-1
PAL CCI Protection (Analog)
2
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
Digital Receiver (DVB-C)
No
Item
Min
Typ
Max
Unit
Remarks
1.
Frequency Range
52.5
866
MHz
2.
Input Impedance
75
Ω
3.
Symbol Rate
4000 Ks/s~7200 Ks/s
4.
Modulation
16, 32, 64, 128, 256QAM
5
RF Sensitivity
47
70
dBuV
6.
C/N with AWGN
16QAM
20.5
dB
LGE TV Division LG()
Establish : 12.7.6. 35
Reform : 12.10.15 114
Reform : 12.10.15 114
LG 전자
LC33B Product Specification
32QAM
26.5
dB
64QAM
29.5
dB
128QAM
31.5
dB
256QAM
32.5
dB
8.optical specification
8.1
▣
▣
Common Condition for optical measurement
1) In non-impressed condition, measure optical measurement displayable as much as possible TV.
2) Measuring instrument : CA-210 or a sort of Color Analyzer.
3) Pattern Generator : VG-828 or a sort of digital pattern generator (displayable 100IRE/80IRE/0IRE Gray pattern)
4) Measure condition
● Test pattern : 100IRE(255Level) or 80IRE(204Level) or 0IRE(0Level) of Full window pattern.
● Test pattern : 100IRE(255Level) or 80IRE(204Level) or 0IRE(0Level) of Full window pattern.
● SET condition: Contrast & Brightness Level default
● Environment condition : Dark room in the non outside light
● Picture menu option condition for each video signal (use default black-level UI)
Input
Signal
Black Level
RF
NTSC-M
Low
PAL
Auto
AV
NTSC-J
High
PAL
Auto
Component
1080P
High
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