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Page Title:
Converter and Control Tray A4, Controls, Indicators, and Connectors (cont) |
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|  TM 11-6625-847-12
Control, indicator, or connector
Function
Pos
Action
A5 For 14-19 cs.
B1 For 19-24 cs.
B2 For 24-30 cs.
B4 For 10-22 cs.
WHIP
A1 For 10-11 cs.
A2 For 11-12 cs.
A3 For 12-14 cs.
A4 For 27-30 cs.
A5 For 15-24 cs.
B1 (open).
B2 For 27-30 cs.
B4 For 10-22 cs.
CONTROL TEST ANT. MOTOR CONTROL -------------------
When set to CAP, connects CONTROL B5 indicator
MONITOR switch ---------------------------------------------------
into circuit.
CONTROL TEST ANT. MOTOR CONTROL -------------------
When set to RF BAND, or when set to CAP, grounds
CODE switch --------------------------------------------------------
the circuit.
PA METER TEST ANT. LOAD-ANT. TUNE--------------------
When set to ANT. LOAD, connects variable dc volt-
switch------------------------------------------------------------------
age from ANTENNA LOAD/TUNE control. When set to ANT.
TUNE, connects variable dc voltage from ANTENNA
LOAD/TUNE control.
INPUT CURRENT switch -------------------------------------------
Permits input current measurement tests of inverter assembly,
AM3349/GRC-106
EXTERNAL BLOWER switch --------------------------------------
When set to HI, increases speed of BLOWER. When set to LO,
decreases speed of BLOWER.
TEST SELECTOR switch ------------------------------------------
Controls test points HI and LO voltage measurements of inverter
assembly, AM3349/GRC-106.
Pos
Action
1
HI---Connected to +27 vdc.
LO--Connected to ground.
2
HI---Connected to test circuit.
LO--Connected to EXTERNAL BLOWER.
3
HI---Connected to test circuit.
LO--Connected to test circuit.
4
HI---Connected to ground.
LO--Connected to test circuit.
5
HI---Connected to INT BLOWER.
LO--Connected to inverter.
PA METER TEST ANTENNA LOAD/TUNE----------------------
Controls dc voltage level to PA METER TEST
control -----------------------------------------------------------------
ANT. LOAD-ANT. TUNE switch, contact terminal 2.
PA METER TEST ALC METER control --------------------------
Controls dc voltage level to test point.
PA METER TEST GRID DRIVE control -------------------------
Controls dc voltage level to test point.
CONTROL TEST Al thru As, and B1, B2, and B4--------------
Indicates ground at pins selected by CONTROL
indicators -------------------------------------------------------------
TEST RF BAND-500-WHIP switch.
CONTROL TEST B3 indicator -------------------------------------
Indicates ground for freq. change.
CONTROL TEST B5 indicator -------------------------------------
Indicates ground on CONTROL TEST ANT. MOTOR CONTROL
MONITOR switch.
CONTROL TEST C1 indicator -------------------------------------
Indicates +27 volts dc at ANT. MOTOR CONTROL MONITOR
switch.
CONTROL TEST C2 indicator -------------------------------------
Indicates +27 volts dc.
CONTROL TSST C3 indicator ------------------------------------
Indicates +27 volts dc.
CONTROL TEST C4 indicator -------------------------------------
-Indicates +27 volts dc.
CONTROL TEST C5 indicator -------------------------------------
Indicates ground.
POWER indicator ----------------------------------------------------
Indicates POWER switch is set to ON, and +27 volts dc is supplied
to test tray from test set.
J1 -------------------------------------------------------------------------
Multipin connector for electrical interconnection of tray A4 and test
set.
3-16
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