TM 11-6625-1683-15
Control or indicator
Function
Position
Action
Right jack Provides connection to pin 2 of connector 600 for measuring current of signal
sent to test meter on control-indicator, which indicates magnetron firing-pulse
current.
TRIG test jack (blue) . . . . . . . . . . . . . . . . . .
Provides connection to pin 9 of connector 600 to observe system trigger output from block
600 modulator.
LOAD jack . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provides connection for Electrical Lead CX-10449/PPS5 to connect magnetron trigger
pulse output of block 600 modulator to ground (in test panel) through a resistive load
equal to that of magnetron.
Provides connection to measure loaded, magnetron trigger pulse output of block 600
LOAD test jack (blue) . . . . . . . . . . . . . . . . .
modulator.
Connecter 600 (15-pin) . . . . . . . . . . . . . . . . .
Provides connection for CX-10432/PPS-5.
3-8. Block 100 (Tr Assembly Test) Controls and Indicators
Function
Control or indicator
Position
Action
ON/OFF switch . . . . . . . . . . . . . . . . . . . . . . .
ON Connects pin J of connector 100 to + 100 volts, pin B to +6 colts, and pin C to -5 volts to
energize block 100 tr assembly circuits.
OFF Disconnects dc supply voltages from connector 100, and connects them to ground
through a resistive load equal to that of block 100 tr assembly circuits.
When turned in direction of INCR arrow (from fully ccw position), applies up to +6 volts to
RCVR GAIN control .. . . . . . . . . . . . . . . .
pin E of connector 100, increasing gain of if. preamplifier (block 200-1); performs same
function as RCVR GAIN control on receiver-transmitter or on control-indicator.
When turned in direction of INCR arrow (from fully ccw position), applies up to 5 volts to
AFC GAIN control . . . . . . . . . . . . . . . . . . . .
pin D of connector 100, increasing gain of afc preamplifier (block 2002).
OSC CUR test jack (yellow) . . . . . . . . . . . .
Provides connection of pin K of connector 100 for either of the following:
1. On equipment w/o AC test jacks installed, the signal output from 10 test meter on
receiver-transmitter may be measured.
AC test jacks . . . . . . . . . . . . . . . . . . . . . . . . .
2. On equipment with AC test jacks installed the 7 volt dc output of SSLO voltage regulato:
may be measured. Where provided, connects to 6 volt ac output of block 700
receiver-transmitter power converter.
Provides connection for CX-10431/PPS-5.
Connector 100 (14-pin) . . . . . . . . . . . . . . . . .
3-9. Block 2900 (Range Amplifier Test) Controls and indicators
Control or indicator
Function
Position
Action
ON/OFF switch . . . . . . . . . . . . . . . . . . . . . . . ON Connects pin 6 of connector 2900 to +35 volts, pin 4 to +12 volts, and pin 11 to 12 v to
energize block 2900 range amplifier.
OFF Disconnects connector 2900 from dc supply voltages and connects the voltages to
ground through a resistive load equal to that of block 2900 amplifier.
T'EST jack (blue) . . . . . . . . . . . . . . . . . . . . . . Provides connection to pin 8 of connector 2900 for observation of trigger generated by
delayed system trigger (delayed in accordance with the target range of interest).
Connector 2900 (11-pin) . . . . . . . . . . . . . . . . Provides connection for CX-10438/PPS-5.
Change 10
3-4
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