JRC JMR-92 Series Field Service Manual page 546

Step 5 Check operation.
After monitor replacement is completed, turn ON the circuit breaker for the power supply of the
display unit and check the operation as follows.
(1) Turn ON the power to the display unit and make sure that screen display is normal.
Adjust brightness and make sure that brightness changes.
(2) Referring to "7.2.2 Checking the Condition of the Screen [Monitor Test]," check the
screen display to make sure that there is no problem.
This completes monitor replacement.
4-325 Chapter 4 Replacement procedure