LG GR-P247C Service Manual page 46

Is the connection loose?
CON6
No
Is the output voltage betwee
n pin4 and pin5 of
CON6 like as below?
Pin5 Pin4
Receiver Voltages
Test Point Result
Pin4 To Pin5 0 ~ 5 V
No
Yes Reconnect
Replace
No
Main PCB
46
Is the output voltage
between Pin4 and pin5 of
CON6 like as below?
Pin5 Pin4
Trans mi tt er Voltages
Test Point Result
Pin4 To Pin5 0 ~ 5 V
No
Explain to the customer!
Replace
Yes
Main PCB