Target Tracking (Tt) Unit Nca-877A - JRC JMA-5212-4/6 Service Manual

4.2.5. Target Tracking (TT) Unit NCA-877A

[Required tools]
A Phillips screwdriver for 3 mm screws
[Removal]
(1) Remove the top cover according to Section 4.2.2.
(2) The TT circuit can be seen on the radar processing circuit.
(3) Remove the four screws that secure the ARPA circuit, and remove the TT circuit lifting it straight up.
(Phillips screwdriver for 3 mm screws)
[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) Generate pseudo targets according to Section 5.2.7 II of the instruction manual, and check that the
targets can be acquired.
(4) Display the numeric data of the acquired targets, and check that the correct values are displayed.
Remove
TT circuit
Remove
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