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Field Service Procedure – Replacement PCU Kit, Coastal  

 

Page

 

8

 

of

 

9

 

 

Document No 

135553 Rev A

 

Copyright © Sea Tel, Inc 2012 - The information contained in this document is proprietary to Sea 
Tel, Inc.  This document may not be reproduced or distributed in any form without prior written 

consent of Sea Tel, Inc.  

 

 

 

9.

 

Install

 

the

 

coax

 

cables

 

onto

 

the

 

replacement

 

PCU,

 

the

 

one

 

from

 

the

 

LNB

 

feeds

 

into

 

the

 

RF

 

in

 

port,

 

the

 

RF

 

out

 

port

 

exits

 

with

 

the

 

harness

 

to

 

the

 

bracket

 

in

 

the

 

radome

 

base.

 

*Note:

 

Older

 

revisions

 

of

 

the

 

Coastal

 

PCU

 

used

 

a

 

splitter

 

to

 

split

 

the

 

RF

 

between

 

the

 

DVB

 

receiver

 

and

 

below

 

decks.

 

If

 

replacing

 

one

 

of

 

these

 

PCU’s

 

with

 

a

 

later

 

revision

 

the

 

coax

 

which

 

runs

 

through

 

the

 

pedestal

 

will

 

need

 

to

 

be

 

connected

 

to

 

the

 

RF

 

out

 

port

 

and

 

another

 

coax

 

will

 

need

 

to

 

be

 

run

 

from

 

the

 

LNB

 

to

 

the

 

RF

 

in

 

port.

 

(Sea

 

Tel

 

part

 

number:

 

127963

30YEL).

   

 

 

10.

 

Reinstall

 

the

 

four

 

screws

 

and

 

washers

 

that

 

secure

 

the

 

PCU

 

to

 

its

 

mounting

 

bracket.

  

 

 

11.

 

Connect

 

the

 

interface

 

harness

 

to

 

the

 

replacement

 

PCU.

 

 

 

12.

 

Install

 

the

 

6

 

screws

 

and

 

washers

 

to

 

secure

 

the

 

AZ,

 

EL

 

and

 

POL

 

motor

 

harnesses

 

to

 

the

 

replacement

 

PCU,

 

no

 

need

 

to

 

apply

 

Loctite

 

as

 

split

 

washers

 

are

 

used.

 

 

 

 

Summary of Contents for Coastal

Page 1: ......

Page 2: ...enna targets in elevation based on the vessels GPS position and desired satellite the azimuth axis then sweeps and searches for signal above threshold Once the NID for the desired satellite has been decoded tracking will be enabled The DVB receiver in the PCU takes a feed directly from the LNB to receive the satellite signal and will also decode the NID Network Identity from the carrier the antenn...

Page 3: ... search 2 To test elevation Tilt the radome base from front to back simulating the vessel pitching from bow to aft The antenna should remain pointed at the satellite without losing the signal and going into a search 3 To test the pol drive if applicable Tilt the radome base from side to side simulating the vessel rolling from starboard to port The LNB should move an equal amount to the movement ex...

Page 4: ...ill be displayed as the test runs An Error code 3 01 3 17 will be displayed if one of these tests fails A failure indicates a defective motor motor driver PCB or harness Temporarily connect a spare motor to the PCU in place of the failed motor or swap the azimuth motor with the pol motor connection at the PCU to isolate the failure to the PCU or motor Then rerun the same test If the test passes re...

Page 5: ...s If any test fails replace the PCU and rerun BIT tests 6 7 Azimuth Move Rate Sensor Test This test command moves the dish at various speeds in azimuth and checks the results using the azimutrh rate sensor Test AZ Sensor will be displayed as the test runs An Error code 7 01 7 05 will be displayed if one of these tests fails An error indicates a motor drive rate or sensor failure This could be due ...

Page 6: ...when pinched Re align and tension the motor and pot for correct belt path and tension If this check found a problem and you have corrected it re run the BIT tests 3 Rotate the polarization assembly to center of its mechanical range LNB vertical and observe while BIT test runs If the pol motor does not drive during the test replace the pol motor and re run the BIT tests If the polang potentiometer ...

Page 7: ... 16 Wrench Spanner Cable Ties Tie Wraps Loctite 242 7 2 Procedure Procedure for replacing the PCU assembly on the Coastal series antennas Sea Tel Kit part number 135912 PCU assembly part number 125517 3 Caution Power down the pedestal before following this procedure 1 Disconnect the BNC connector for the GPS antenna from the PCU 2 Snip the cable tie securing the GPS antenna cable coax cables and a...

Page 8: ... Phillips screwdriver remove the six screws securing the AZ EL and POL motor connections to the PCU Be careful not to lose the 6 split washers and save the hardware for future use 6 Using a 1 Phillips screwdriver remove the for screws securing the PCU to the mounting plate Note Do not remove the PCU at this time as the coax cables are still connected 7 Raise the PCU from the mounting plate to allo...

Page 9: ...adome base Note Older revisions of the Coastal PCU used a splitter to split the RF between the DVB receiver and below decks If replacing one of these PCU s with a later revision the coax which runs through the pedestal will need to be connected to the RF out port and another coax will need to be run from the LNB to the RF in port Sea Tel part number 127963 30YEL 10 Reinstall the four screws and wa...

Page 10: ...he antenna it s installed on Press and hold the save and down arrow button to enter into the setup menu Press the down arrow to scroll through the presets to the factory settings option and press the enter button Scroll through to the Model option and press the enter button Now use the up and down arrow keys to select the model of antenna and press the enter button Hold the save button to store th...

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