42LH70YD (CHASSIS:LJ91D) - LG TV Service Manual (repair manual). Page 19

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BCM3556
BCM3556
FRC
MST7323
FRC
MST7323
CH1
CH2
CH3
CH1 
(+ 3.3V)
CH2 (+3.3V)
CH3 
(+3.3V)
HDMI SW
TDA9996
HDMI SW
TDA9996
Micom
MTV416
0x50
Micom
MTV416
0x50
CH0
EEPROM
AT24C512
0xA6
EEPROM
AT24C512
0xA6
AMP
NTP3100L
0x54
AMP
NTP3100L
0x54
TUNER 1
0xC2
Demod(0x30)
QPSK(0x32)
TUNER 1
0xC2
Demod(0x30)
QPSK(0x32)
CH0 (+3.3V)
• I2C channel [LH70]
Block Diagram
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