LG 42PN4500 Service Manual page 35

Front End
5. L13
NetCast 4.0 Low model (Mstar) use three kind of tuner as below
But we apply 2ea PCB(T/C_T2/C,S2), for each tuner and distinguish by circuit option and tool option B t l 2 PCB(T/C T2/C S2) f
2013
Tuner
Figure
ATV /
DVB-T/C
2013
DVB-S
Tuner
Block Block
Diagram
TDSS-G201D
SI2156 : PLL + With out Analog Demod
L13 : DVB-T/C Demod , A.Demod
ATV /
DVB-T/C
SI2156
2012 2012
Tuner
Compare
TDSS-G201D
SI2156 : PLL + ATV Demod SI2156 : PLL + ATV Demod
: DVB-T/C Demod
L13
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
T/C
Diagram g
SIF/IF
Si2156
UseMstar UseMstar
A.Demod
Tuner
L13 Mstar
Diagram
SIF/IF
UseMstar
A.Demod
Tuner
L13 Mstar
h t d di ti
T2/C
Diagram g
ATV /
DVB-T/C
Si2178
DVB-T2
CVBS/SIF
IF
DVB-S
Si2169
TS [0:7] TS_ [0:7]
Demod Demod
Tuner
L13 Mstar
TDSQ-G605D
SI2178 : PLL + With Analog Demod
SI2169 : DVB-T2/C/S/S2 Demod
Diagram
ATV /
DVB-T/C
SI2176
CVBS/SIF
DVB-T2
IF
Demod
CXD2834
TS_ [0:7]
Tuner
L13 Mstar
TDSN-G301D
CXD2834 : DVB-T/C/T2 Demod
i h b i it ti
T/C/S2
Diagram g
ATV /
DVB-T/C
Si2158
DVB-S
DVB-S
RDA
Si2166B
5815S 5815S
Tuner
TDSQ-G501D
Si2166B : DVB-S/S2 Demod
RDA5815S : DVB-S/S2 PLL
L13 : DVB-T/C Demod, A.Demod
LGE Internal Use Only
d t l ti
SIF/IF
TS_ [0:7]
L13 Mstar