AB Amps 980A Operations Instructions download pdf (Page 104)

TO 31R2-2GRC171-2

TM 11-5820-815-14

NAVELEX 0967-LP-544-5010

Table 5-2. Test Points (Sheet 4 of 4)

REFERENCE MODULE TO WHICH

DESIGNATION TEST POINT FUNCTION TEST POINT APPLIES

A10A1DS1 POWER Lamp is lit when power switch Chassis A10

(lamp) is closed and dc-dc converter

is operating.

A10A1DS2 READY Lamp is lit when frequency D/a servo amplifier A1, frequency

(lamp) synthesizer (pll) is locked synthesizer A2, and rf filter A7

and servo loop is balanced.

A10A1J4 MIC DYNAMIC Handset audio input/output. Audio A4

Provides vocal/aural input

or output as required.

A10A2J8 IF Provides access to receiver Receiver rf A3

(rear output (10.7 MHz) or point of

panel) injection of test signal.

A10A1J3 HEADSET Provides vocal/aural output Audio A4

as required.

A10A1J5 MIC CARBON Provides vocal input Audio A4

as required.

TP3-9894-017

Figure 5-1. Radio Receiver-Transmitter RT-980/GRC-171, Test Point Location

5-6

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 217 218

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AB Amps 980A Operations Instructions Page 104