JRC JMA-5212-4/6 Service Manual

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4.2.11. Trackball TRD-101S(BK)N1 for the Standard Operation Unit
[Required tools]
A Phillips screwdriver for 3 mm screws
[Removal]
(1) Remove the seven setscrews, and open
the rear cover.
(Phillips screwdriver for 3 mm screws)
(2) Disconnect the connector from
the trackball, and replace the trackball.
[Mounting]
(1) Assemble the unit in reverse order of removal.
[Operation check]
(1) Check that the equipment starts normally.
(2) Check that an error message is not displayed.
(3) Perform a key test, buzzer test, and light test according to Section 8.3.1.3 of the instruction manual,
and check that no abnormality is detected.
Remove
Remove
Remove

JRC JMA-5212-4/6 Specifications

General

Brand	JRC
Model	JMA-5212-4/6
Category	Marine Radar
Language	English