TM 11-6625-1696-12
3-5. 30 MHz DISCRIMINATOR Section Indicator, and Connectors
Control, indicator, fuse, or connector
Function
Meter M2
Center zero movement; indicates from 29.7 MHz to 30.3 MHz.
Connector J42 VIDEO OUT
Connection from discriminator output.
Connector J61 GEN IN
Low level signal connection to double balanced mixer 280-990034-842
LO input.
Connector J52 RF IN
High level signal connection through 1 watt, 10 dB attenuator to
double balanced mixer 280-990034-842 RF input.
3-6. POWER SUPPLY Section Controls, Indicator, and Connectors
Control, indicator, fuse, or connector
Function
PWR SUP TEST switch S2
Set to ON, connects ac power, through J3, to AUT. Set to off,
removes ac power from AUT.
PWR SUP TEST indicator
Lights when S2 is set to ON.
Switch S4 (12-position rotary switch)
Connects J1, and meter Ml through S20, to AUT.
Sw pos
Meter indication
+12 V ..............................
+12 volt dc supply voltage.
+12 V METER .................
+ 12 volt dc supply metering voltage.
+28 V ..............................
+28 volt dc supply voltage.
+28V ...............................
+ 28 volt dc supply metering voltage.
+26V ...............................
+26 volt dc supply voltage.
DRIVER FIL ....................
Driver tube filament supply voltage.
OUTPUT FIL ...................
Output tube filament supply voltage.
DRIVER CUR..................
Driver tube filament supply current.
OUTPUT CUR.................
Output tube filament supply current.
600 V ..............................
600 Volt DC supply voltage.
600 V METER .................
+600 volt dc supply metering.
26 V AC ..........................
26 volt ac supply voltage.
Connector J 1 RIPPLE
Connection to AUT ripple voltages through S4 positions + 12 V, + 28 V, +
26 V,
....................................................................................
DRIVER FIL, OUTPUT FIL, DRIVER CUR, OUTPUT CUR, and 600 V.
Switch S3 +600 V ........................................................
Pressed and held, while switching S2 off and ON, to switch on AUT 600
volt dc supply.
Switch S5 + 12 V LOAD ...............................................
Pressed and held to load AUT + 12 volt dc supply.
Switch S7 + 28 V LOAD ...............................................
Pressed and held to load AUT + 28 volt dc supply.
Hinged cover, OPEN ONLY FOR POWER
Closed for normal operation. Opened to connect test facility to power
supply
SUPPLY TESTS. ..................................................
subassemblies under test.
Interlock switches S8, S9
Disconnect ac power input to internal power supply when hinged cover is
open.
Interlock switches S0, S 11 ..........................................
Disconnect power to internal fan when hinged cover is open.
Connector J2 ...............................................................
Connection to chassis ground.
Connector J6. ..............................................................
Connection to + 12 volt supply from AUT at J3.
Connector J9 ...............................................................
Connection to + 26 volt supply from AUT at J3.
Connector J12 .............................................................
Connection to +S28 volt supply from AUT at J3.
Connector J3 ...............................................................
Connects AUT to internal dummy loads and metering circuits.
Connectors J5, J7, and J8............................................
Connect test facility to assemblies under test.
Cable assembly 457-584..............................................
Connects J4 to J5 for normal operation.
Cable assembly 457-585..............................................
Connects J7 to JS for normal operation.
Cable assembly 457-586..............................................
Connects J10 to J 11 for normal operation.
3-7. AMPL FREQ MULTIPLIER Section Controls, Indicators, and Connectors
Control, indicator, fuse, or connector
Function
Switch S12 (12-position rotary switch)...........................
Connects dc power to internal synthesizer, diode semiconductor
matrix, and frequency multiplier, and to AUT. Connects AUT
metering voltages to meter M1 through S20, position S12.
Connects dc power to radio frequency modules test facility through
J20.
3-4
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