Sperry tabletop ecdis vmft convert to Radar vmft V2.0.5.850

Previously use as vmft ecdis.

Now it can be use as a standalone radar connected as interswitch to other radar. As the specification of the motherboard is relatively low, run the most early software and connect to BME X-band. 3-4Arcs can be shown on display transmit with PM at 12 nm.

Sperry vmft/JRC 9110/Saab R4 AIS/KH VDR/ Furuno GP150/NSR AIS/Sperry dual Mk1 gyro with switch over unit.

If we can setup a workshop  to simulate a vessel Navigation equipment and allow technicians who are not familiar with marine equipment to hands on and play with it, we can train out a very good technician in very short time. This is what we believe:-)

Sperry BME X-band PM unit water ingress

There are few occasions whereby PM unit ingress with water and after a prolong period, the PM unit causes system to behave abnormal due to system 12Vdc has been pull down.

Please see PM unit after dismantle.

Hatteland monitor JH23T12 FUD-AA1-AOAA Reason for failing

Hatteland monitor was one of the type approved marine grade monitor in the market. Why do hatteland monitor fail to work after few years of continuous operation on ship?  One of the main reason was the HRX cable connect between the LCD screen and the control board, insulation breakdown causing shorting internally. Please see cable responsible for causing monitor to fail.

Dismantle sperry BME motor

Using hand to rotate the motor found not rotating smoothly. Dismantle the motor and found 6 pieces of bearing/gear inside.Top 3 pieces of bearing/gear, bottom 3 pieces of bearing/gear. Please see photos 

below:

 

Sperry Marine BME X-Band Motor Diagnostic

It was reported that radar stop turning during transmission. Checked scanner on/off switch it was in on position. Go to scanner and open up the upmast gearbox with build in transceiver. Heard a squirking sound from motor drive pcb. Carry out replacement of both motor and motor drive pcb. Checked the motor drive pcb and found two transistors holder melted. Two transistors were damage as well. Open the motor and found the 6 coils , 2 were darken. See photos below :

Commissioning and Installing Danelec DM100 SVDR on board a Cargo Vessel

This cargo vessel equipped with Rutter SVDR. We are task to replace the old SVDR with Danelec DM100 SVDR. Attend on board and found most of the mounting has already done by crew.
This include Capsule at Monkey Island and all internal and external microphones were mounted.
Cables has been run between microphone and DAU(Data Acquisition Unit). All sensors including GPS, AIS, Gyro, Speed log. BAU(Bridge Alarm Unit) has been mounted as well. Checked software version 1.20. Upgrade software from V1.20 to V1.21. Connect sperry vmft X-band radar image to SVDR for image captured at resolution of 1920 x 1200. VHF found Skanti and remove the old interface to relocate near DAU. Run a short cable between DAU and VHF. Tested SVDR recording VHF signal properly.