Sanyo PLC-XL51A - IIC Bus Control Circuit

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3
SCL0_5V
SDA0_5V
SCL2_5V
SDA2_5V
DDC_SW1
6
IC301
SCALER
<PW190>
IC1302
BUS-SW
<TC7WBD125>
2 5
293 212
3 6
IC1303
BUS-SW
<TC7WBD125>
IC6212
DDC-SW
Q6201
2 5
101
1
5
2
290 208
21 437
1 2 3
6
FAN
CONTROL
IC3501
DAC
<M62334>
IC8811
TEMP
SENSOR 3
<MCP9801>
K48EK8T
TEMP
MAIN
6
SCL1
SDA1
211 294
5
IC1391
CONTROL
MEMORY
21
IC8821
TEMP
SENSOR 2
<MCP9801>
IC4831
TEMP
SENSOR 1
<MCP9801>
4 3
IC6202
DDC-SW
5
2
4 14
15
9-11
Q6211
SDA3/SCL3
9-11
DDC_SW2
IC1802
I/O
EXPANDER
IC401
GAMMA
CORRECTION
&
LCD
DRIVER
IIC bus control circuit
Chassis Block Diagrams