JRC JMR-92 Series Field Service Manual page 632

Step 5 Check operation.
After the replacement of the operation circuit SW is completed, turn ON the circuit breaker for
the power supply of the display unit and check the operation as follows.
(1) By referring to "7.2.3 Checking the Operation of the Operation Unit [Key Test]," check
that all the buttons and knobs of the TOPU respond normally.
(2) By referring to "7.2.4 Checking Alert Sound [Sound Test]," check the alert sound
volume.
(3) By referring to "7.2.5 Testing LED Brightness [Light Test]," check the brightness of the
LEDs.
(4) By referring to "7.2.6 Testing the Motor [Motor Test]," check the operation of the motor.
This completes the replacement of the operation circuit SW.
4-411 Chapter 4 Replacement procedure