Insignia 19KK44 Service Manual page 65

（9）Abnormal functions of a channel auto-checkout
Abnormal functions of a channel auto-checkout
Check if I2C2 bus is connected to N310-26#/27# ?
Yes No
Check if there is a signal Check out peripheral
from/to 35-40 pin of N310 ? circuits of I2C2 bus
No Yes
Check out peripheral
Check out N310
circuits of signal port