ALINEMENT PROCEDURE - TM-11-5820-401-34-30182

TM 11-5820-401-34-3/0967-LP-432-3060

3-16. LOCAL OSCILLATOR A1500 ALINEMENT. (CONT)

ALINEMENT PROCEDURE

Connect ME-26(*)/U positive lead to TP3001 (1) and negative lead to ground.

Adjust C1501 (2) for clear audio tone and zero-volt reading on ME-26(*)/U.

Set R-442/VRC MC-TUNE-KC control to 30.00 MHz.

Connect AN/USM-207 frequency counter to T-connector.

Adjust AN/URM-103 RF TUNING control for 30.00-MHz output. Check frequency on counter.

Adjust L1502 (3) for clear audio tone and zero-volt reading on ME-26(*)/U.

Set R-442/VRC MC-TUNE-KC control to 52.00 MHz.

Connect frequency counter to T-connector.

Adjust AN/URM-103 RF TUNING control for 52.00-MHz output.

10.

Adjust L1501 (4) for clear audio tone and zero-volt reading on ME-26(*)/U.

Repeat steps 2 through 10 to make sure that local oscillator tracks with no more than 0.5-vdc

11.

error signal required in any of the three test frequencies.

NOTE

If the ME-26(*)/U indicates more than + 0.5 vdc or less than -0.5 vdc in any frequency,

and repetition of steps 2 through 10 does not correct the problem, replace the A1500

assembly.

3-96