TM 11-5840-217-34-1
1-3. FUSES AND THEIR FUNCTIONS
Low-voltage power supply unit.
F1801 LVPS, coordinator, radar set control (See page 41.)
F1802--receiver-transmitter and antenna
F1803--AC outlet
F1804--PS blower motor, -27 vdc, power supply filaments
F1805--+258, +250, -318, -108, +150
Coordinator unit.
F1001--scope HV
F1002--blower motor, filaments
F1003--computer power supply
F1004--magnetic amplifiers
F1005--computer +220 and 28 vac and antistick voltage
F1006--azimuth, elevation, X, Y, Rho servoamplifiers
Radar set control unit.
F1601--blower motor, X, Y, and range servomotors, sector scan motor, and auto range motor (located in coordinator)
Modulator unit.
F501--blower motor, filaments (See page 44.)
F502--transmitter HV
Receiver-transmitter and antenna unit.
F401--power supply, magnetron current adjust
F402--blower motor, azimuth and elevation synchros, azimuth and elevation motors and beam
switching motor
F403--azimuth and elevation brakes
F404--AC outlet
1-4. CONTINUITY CHECKS
As an aid to troubleshooting all resistance checks of tube sockets, were measured with cables connected and the
chassis as ground.
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