Furuno 1715 manual Magnetron Heater Voltage, MD board

Page 38

3. INSTALLATION

3.5 Magnetron Heater Voltage

Magnetron heater voltage is formed at the MD Board of the antenna unit and is preadjusted at the factory. Therefore, no adjustment is required. However, verify the voltage as below.

WARNING

ELECTRICAL SHOCK HAZARD

Do not open the equipment.

DO NOT attempt the procedure below unless totally familiar with electrical circuits.

1.Open the antenna cover and open the shield plate.

2.Turn on the power. DO NOT transmit.

3.Connect a multimeter, set to 10 VDC range, between #6 (+) and #4 (-) of test point TP804 on the MD Board.

TP804

VR801

MD board

4.Confirm that the multimeter shows 8.0 V ±0.1 V. If it does not, adjust potentiometer VR801 on the MD Board.

5.Turn off the power.

6.Fasten the shield plate.

7.Close the antenna cover.

Image 38

Contents Model Model USA Important NoticesEuropean Union Other countriesSafety Instructions Compliance with R&TTE Directive 1999/5/EC Table of Contents Word to the Owner of the Model FeaturesForeword System Configuration NavigatorEquipment Lists Antenna installation materialsDisplay unit installation materials Standard supplyControls How to remove the hard coverOperation Display unitAbout the LCD IndicationsIndications Transmitting, Standby Turning Power On/OffBrilliance/contrast adjustment window Startup screenChoosing the Range Adjusting Display Contrast, BrillianceAutomatic gain adjustment Receiver SensitivityManual gain adjustment Automatic adjustment by the A/C SEA controlManual adjustment of A/C SEA Automatic A/C SEA adjustmentMeasuring range by the range rings Suppressing Rain ClutterMeasuring the Range Measuring range by the cursorMeasuring bearing with the cursor Measuring the BearingShifting the Display Measuring bearing with the EBLZoom display ZoomUser Menu Overview User menu,User menu description Heading LineInterference Rejector Appearance of interferenceEcho Stretch Noise RejectorEcho Trail, Trail Brilliance Echo trailsSilencing the audio alarm Guard AlarmSetting a guard zone Canceling the guard zone and guard alarmSuppressing Heavy Rain Clutter Setting watchman stand-by intervalWatchman Panel BacklightingProg Key Resetting Distance Run24 Hue Outputting Target Position to a Plotter30 00.065N 130 00.574E Setting up Nav Data DisplaysTurning Navigation Data On/Off 30 00.065N 21 nmNav data displays 130 00.574E1 of system menu System MenuSystem menu description Waypoint Mark The waypoint mark shows3 of system menu Maintenance program MAINTENANCE, TroubleshootingMaintenance Period Check point ActionReplacing the Fuse TroubleshootingTroubleshooting If… But… Then…Display unit DiagnosticsInstallation menu Antenna unitReplacing the Magnetron Test PatternClearing the Memory Replacing the Synchro BeltMounting considerations InstallationAntenna Unit Installation Mounting on a platformAntenna cable and gasket to use How to fasten the antenna base to platformAntenna unit, inside view Contents of radome mounting assy Mounting using the optional mounting bracketHow to fix the EMI core Connecting antenna cable to antenna unitDesktop, overhead mounting Display Unit InstallationMounting Flush mountingWiring WiringConnecting external equipment Input sentences Heading alignment Adjustments Connecting the external buzzer Display unit, rear viewTiming adjustment Nmea port setup, GPS Waas setup Timing adjustment displayMagnetron Heater Voltage MD boardMenu Tree Trail Brilliance LOW, High System MenuSpecifications of Marine Radar SP-1Environmental Conditions SP-2Page Page Page Page Marine Radar Page 00014790912