Read LG 32LH70YD (CHASSIS:LJ91D) Service Manual online
I2C & RS232 Communication
I2C & RS232 Communication
BCM3556
HDMI
S/W
MST7323
NTP3100L
SCL0
D3.3V
SDA0
4.7k ohm
4.7k ohm
SCL2
SDA2
4.7k ohm
4.7k ohm
SCL1
SDA1
4.7k ohm
4.7k ohm
SCL3
SDA3
4.7k ohm
4.7k ohm
+3.3V_HDMI
2.7k ohm
2.7k ohm
100 ohm
33PF
100 ohm
33PF
0 ohm
0 ohm
100 ohm
100 ohm
MICOM
22 ohm
22 ohm
VA1G5BF
8005
22 ohm
22 ohm
RS232C_RxD
RS232C_TxD
MAX3232
+5V_ST
4.7k ohm
4.7k ohm
P
7
0
2
0
2
100 ohm
100 ohm
P
7
0
1
0
1
Sub B/D
Main B/D
22 ohm
22 ohm
22 ohm
22 ohm
47PF
47PF
22 ohm
22 ohm
22 ohm
22 ohm
D3.3V
D3.3V
D3.3V
Block Diagram
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