Hyundai HLT-3220 Service Manual page 94

NOTE!!: You can find number from Schematic Diagram
49) IC01 pin 11 SDA clock output
51) IC171 pin 2 data input.
53) IC402 pin 37 ARD output
SERVICE MANUAL
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50) ) IC01 pin 11 SCL clock output
52) IC172 pin 2 data input.
54) IC402 pin 41 ARC output
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