Samsung UN55HU7200F Service Manual page 50

Location of Parts
„
R520(Bottom side)
COMP2_AV2_SR_IN
1
3
4
CN401 : Speaker jack
Main Board_Front
1
2
Detail
2
4
3 CN400
Pin #20 : LRclk
Pin #23,#24 : I2C_SDA/SCL
OP400 : Optical
CN2101_IRB : Monitor out_Sound
4. Troubleshooting
Pin #15 : Bclk
4-23