KVH Industries TracVision S3 User Manual download pdf (Page 55)

5-5

Maintenance

54-0157 Rev. G

5.4.1 PCB Removal and Replacement

Estimated Time to Repair:

⁄2 hour

The microprocessor PCB assembly is protected by a cover

fastened to the rotating plate – Fig. 5-1. The cover must be

removed to gain access to the main power fuses and the PCB

assembly.

1. Using needle-nose pliers, remove the E-ring from

one end of the connecting rod – Fig. 5-2.

2. Remove the connecting rod by sliding it off the

bracket.

3. Fully retract the elevation axis motor shaft

– Fig. 5-5.

4. Remove 6 pan head screws from the PCB cover

flanges.

5. Remove the PCB cover. To get the necessary

clearance, rotate the linear actuator up 90º while

lifting the PCB cover – Fig. 5-5.

6. Remove all cable connectors from the PCB.

Figure 5-6 on the following page illustrates the

PCB arrangement and connector locations.

TracVision L3/S3 is equipped with

two 5x20 mm, 3.15-amp, 250-volt

fast-blow fuses, which are mounted

on the PCB. To access and replace

one of the fuses, remove the PCB

cover.

When carrying out maintenance

on the PCB, be sure to not drop

any of the small screws inside the

mechanism. If a screw is lost within

the baseplate, it must be retrieved

to avoid causing any damage when

the unit rotates.

PCB Cover

Linear Actuator

Elevation Axis

Motor Shaft

Figure 5-5

Removing the PCB Cover

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KVH Industries TracVision S3 User Manual Page 55

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