55SL8500-ZA (CHASSIS:LD91K) - LG TV Service Manual (repair manual). Page 35

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7. I2C Map
NVRAM
M24512 
(IC105)
EEPROM_SCL
EEPROM_SDA
(+3.3V)
FE_DEMOD_SDA
FE_DEMOD_SCL
SDA0/SCL0
(+3.3V)
HDCP Key
CAT24WC08W
 
(IC107)
Demodulator
D
RX3913K-XK
 
(IC1203)
SDA1/SCL1
 (+3.3V)
FRC
MST7323S 
(IC900)
FE_TUNER_SCL
FE_TUNER_SDA
(+5V_GENERAL)
Chip Tuner
XC5000 
(IC1200)
SDA_SUB/AMP
SCL_SUB/AMP
Audio Amp
NTP-3100L 
(IC701)
Soft touch
PIC16F722 (P1304)
MEMC_SDA
MEMC_SCL
SDA_SUB/AMP
SCL_SUB/AMP
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