Read LG 55LW9800-UA (CHASSIS:LA12D) Service Manual online
3
Dual_TUNER/CHB/외장 demod(LGDT3305: OPT) (한국/북미)
CHB
(LG1140)
Dual Tuner
(H/NIM+F/NIM)
Or
H/NIM
TU_RESET, TU_RESET_SUB
I2C(Main)
IF_AGC
IF_N/P
I2C(Sub)
CHBO_TS_DATA[S],
CLK, Sync,VAL_ERR
CHB_reset
TU_SIF
Main SoC
AGCI
<ATSC>
FEAINP/N
SC
L
L
/DA0_
3.3V
SCL/DA3_3.3V
TU_CVBS
C
H
B_
CV
BS
CV
BS
RF_SW_CTL1/2
CHB_TS_DATA[S]
CLK.SYNC/VAL
외장 Demod
(LGDT3305)
(LGDT3305)
For 한국/북미
(opt)
ATSC_reset
IF_AGC_MAIN
IF_N/P_MAIN
IF_AGC_ATSC
IF_N/P_ATSC
(opt)
(opt)
(opt)
(opt)
VDEC
(TW9910)
TW9910_reset
TW9910_
DATA[P]
CLK
SCL/DA1_3.3V
4
4
9
BCM
35230(B0)
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