Synthesizer Test Tray A3, Controls, Indicators, and Connectors (cont)

TM 11-6625-847-12

Control, indicator, or connector

Function

FREQ STANDARD OUTPUT AMPL switch (2) ---------

Controls input to amplifier modules AR1 and AR2.

Pos

Action

--------------------------------------------------------------------

Input amplified.

--------------------------------------------------------------------

OFF

Amplifier bypassed.

MC SYNTH OUTPUT AMPL switch -----------------------

Controls input to amplifier module AR3.

Pos

Action

--------------------------------------------------------------------

Input amplified.

--------------------------------------------------------------------

OFF

Amplifier bypassed.

FREQ SELECT 1KC 10KC and controls -----------------

Controls, mechanically, position of 10-ke and 1-kc shaft

couplers.

FREQ SELECT 1OOKC control ----------------------------

Controls, mechanically, position of 100-kc shaft couplers.

POWER ADJ control -----------------------------------------

Controls level of de variable supply voltage.

10&1KC SYNTH SYNTH OUTPUTS VOLTS ADJ------

Controls output level of amplifier AR4.

control.

10&1KC SYNTH OUTPUT VOLT ADJ control ----------

Controls output level of amplifier AR5.

FREQ STANDARD OUTPUT VOLT ADJ control -------

Controls output level of amplifiers AR1 and AR2.

(2).

MC SYNTH OUTPUT VOLT ADJ control ----------------

Controls output level of amplifier AR3.

POWER indicator ----------------------------------------------

Indicates POWER switch S1 is set to ON, and +27 volts de is

supplied to test tray from test set.

MC SYNTH HI indicator ---------------------------------------

Indicates selection of high band of frequencies.

MC SYNTH LO indicator -------------------------------------

Indicates selection of low band of frequencies.

J1 -------------------------------------------------------------------

Multipin connector for electrical interconnection of tray A3 and

test set.

POWER INPUTS FIXED test connector ---------------

Test point for measurement of fixed +20-volt dc supply.

POWER INPUTS VAR test connector -------------------

Test point for measurements of variable +20-volt dc supply.

POWER INPUTS (ground) test connector ---------------

Ground test point for measurement of input voltage.

FREQ STANDARD 5MC EXT/INT connector ----------

For connecting test equipment to frequency standard module,

RT662/GRC at J7.

FREQ STANDARD OUTPUT 1MC connector ----------

For monitoring 1-mc output of frequency standard module,

RT-62/GRC.

FREQ STANDARD module connector --------------------

Multipin connector for electrical interconnection of frequency

standard module, RT-662/GRC, and tray A3.

FREQ STANDARD module connector --------------------

Multipin connector for electrical interconnection of frequency

standard module, RT62/GRC, and tray A3.

MC SYNTH module connector ----------------------------

Multipin connector for electrical interconnection of me

synthesizer module, RT-662/GRC, and tray A3.

FREQ DIVIDER OUTPUTS 1OOKC SPECTRUM------

For monitoring the 100-kc spectrum output of fre-

connector -------------------------------------------------------

quency divider module RT-662/GRC.

FREQ DIVIDER OUTPUTS 1.75MC connector ---------

For monitoring the 1.75-me output of frequency divider

module, RT-462/GRC.

FREQ DIVIDER module connector -----------------------

Multipin connector for electrical interconnection of frequency

divider module, RT462/GRC and tray A3.

FREQ DIVIDER module connector ------------------------

Multipin connector for electrical interconnection of frequency

divider module, RT-662/GRC, and tray A3.

FREQ DIVIDER OUTPUTS 1KC PULSE -----------------

For monitoring 1-kc pulse output of frequency di-

connector -------------------------------------------------------

vider module, RT-662/GRC.

FREQ DIVIDER OUTPUTS O1KC SPECTRUM -------

For monitoring 10-kc spectrum output of frequency

connector -------------------------------------------------------

divider module, RT-662/GRC.

FREQ STANDARD OUTPUT 10MC connector ---------

For monitoring 10-me output of frequency standard module,

RT-662/GRC.

MC SYNTH OUTPUT MC SYNTH connector ----------

For monitoring rf output of me synthesizer module, RT-

662/GRC.

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