Operator's, Organizational, Direct Support, and General Support Maintenance Manual: Radio Set AN/GRC-109 (NSN 5820-00-892-0881).Headquarters, Department of the Army, 1962 - 181 pagina's |
Veelvoorkomende woorden en zinsdelen
0.04 volts max 110 volts ac ac lines ac vtvm Alignment AN/URM antenna Antenna TUNE applying power audio oscillator BEAT OSC control bias binding post capacitor chassis choke coils connected crystal electrolytic capacitors Figure fuse hand-cranked headset Inspect large power supply main tuning dial MODULATION control MULTIMETER Note the indication ohms operation from ac output level OUTPUT VOLTAGE plate circuit power amplifier power cable power selector switch power source Preventive Maintenance PWR plug RADIO RECEIVER Radio Set AN/GRC-109 RCVR PWR receiver B+ receiver filament voltage receiver TUNING control rectifier circuit Repeat step Replace resistor rf choke rf signal screen grid Section selenium Set the receiver short circuits signal to pin small power supply socket symptoms telegraph key TEST CABLE Test Equipment tion TRANS PWR Troubleshooting Troubleshooting Chart Turn the power vibrator voltage and resistance voltage regulator voltages normal voltmeter volts ac input watts winding on T1 wire
Populaire passages
Pagina 21 - ... moment. I looked at the needle and ball. Suddenly and instantaneously the needle went off center about two thirds of the way. I followed with correction, but before I reached the neutral position, the needle violently swung the other way. Shearing action was terrific.
Pagina 32 - Refer to paragraph 34 for the instructions on removing and replacing tubes. a. Use of Tube Tester. Remove and test one tube at a time. Discard a tube only if its defect is obvious, or if the tube tester shows it to be defective. Do not discard a tube that tests at or near its minimum test limit on the tube tester.
Pagina 32 - The equipment operational checklist (para 33) will help maintenance personnel determine whether the radio set is functioning properly. The checklist gives the item to be checked, the normal indication of correct operation, and the corrective measures that can be taken.
Pagina 77 - No. 6 is used to connect the output of the transmitter to the input of the AN/URM120 when transmitter output power is tested.