TB 9-6625-2077-35
indication of 0.00 on FREQUENCY display (R).
(7) Reconnect cable to J4 (fig. 1).
(8) Connect audio analyzer INPUT HIGH to A3TP2 and A3TP1 (common) (fig. 1).
Do not connect to chassis ground.
(9) Set audio analyzer to measure V dc and adjust A3R6 (fig. 1) for a -1.004 V dc
indication on audio analyzer (R).
(10) Move positive lead to A3TP4 (fig. 1).
(11) Adjust A3R33 (fig. 1) for a 1.000 V dc indication on audio analyzer.
(12) Repeat (5) above and adjust A3R25 (fig. 1) for 80.00 MHz on FREQUENCY
display (R).
(13) Set TUNING RANGE switch to 4-20 MHz.
(14) Adjust COARSE and FINE TUNING control for an indication of 20.00000 MHz on
measuring receiver.
(15) Adjust A3R22 (fig. 1) for 20.00 MHz on FREQUENCY display (R).
(16) Set TUNING RANGE switch to 1-5 MHz.
(17) Adjust COARSE and FINE TUNING controls for an indication of 5.00000 MHz on
measuring receiver.
(18) Adjust A3R19 (fig. 1) for 5.000 MHz on FREQUENCY display (R).
(19) Set TUNING RANGE switch to .25-1.25MHz.
(20) Adjust COARSE and FINE TUNING controls for an indication of 1.25000 MHz on
measuring receiver.
(21) Adjust A3R16 (fig. 1) for 1.250 MHz on FREQUENCY display (R).
(22) Set TUNING RANGE switch to 50-250 kHz.
(23) Adjust COARSE and FINE TUNING controls for an indication of 0.25000 MHz on
measuring receiver.
(24) Adjust A3R13 (fig. 1) for 250.0 kHz on FREQUENCY display (R).
(25) Set POWER switch to OFF and reinstall assembly A3 and extender board
(26) Set POWER switch to ON.
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