Common Module Tray A1, Controls, Indicators, and Connectors

TM 11-6625-847-12

Figure 3-1 (2).-- Continued.

3-3.

Common Module Tray A1, Controls, Indicators, and Connectors

Control, indicator, or connector

Function

POWER switch -------------------------------------------------

Controls +27-volt dc primary power from test set SERV SEL

switch (positions: SS,B/NSK, FSK, AM and CW) to

circuits and connectors on common module tray Al.

DC/DC CONVERTER CONV/REC TEST REG

Permits input current measurement tests of regu-

switch

lator section of dc-to-dc converter and regulator module,

RT-662/GRC.

DC/DC CONVERTER CONV/REC TEST

Permits input current measurement tests of converter

CONV switch

section of de-to-c converter and regulator module, RT-

662/GRC.

DC/DC CONVERTER TE'ST SELECTOR switch ------

Controls DC/DC CONVERTER test points HI and LO for

voltage measurements of dc-to-dc converter and regulator

module, RT-62/GRC at connector J9.

Pos

Action

1 ----------------

Hi test point connected to +27 v dc.

LOW test point connected to ground.

2 ----------------

HI test point connected to switch S1 front.

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