TM 5-6665-202-13
Table 6-1. Resistance Measurements of Receiver and Transmitter Assembly
A5 Printed Circuit Board
Infinity
1
Ground
RX10,000
2
RX100
900 to 1100
Ground
2
7
0-1000
RX100 (Resistance variable by
"X" variable resistor on detector's
control box)
3
Infinity
Ground
RX10,000
4
Ground
150 to 300
RX10
5
Ground
Infinity
RX10,000 (Detector's Control Knob
in OFF or LO positions)
Ground
RX100 (Detector's control knob in
5
2,000
INT position)
5
Ground
RX1 (Detector's control knob in HI
0.33
position)
RX10,000
Ground
6
Infinity
6
9
RX100
1,000
RX100
6
11
1,000
12
RX100
6
1,000
7
0-1000 1 0 %
RX100 (Resistance variable by "X"
Ground
resistor or detector's control box)
RX1
8
Ground
0 (Continuity)
RX10,000
9
Ground
Infinity
RX1
9
10
50
RX10
1l
9
120
RX10
12
125
9
RX10,000
Ground
10
Infinity
RX10,000
11
Ground
Infinity
11
RX1
12
3.5
Ground
12
Infinity
RX10,000
Table 6-2. Voltage Measurements of Receiver and Transmitter
Assembly A5 Printed Circuit Board
1
Power selector switch on the detector's
Ground
0.0 VDC
control box in the OFF position
Power selector switch on the detector's
1
Ground
-10.6 VDC
control box in LO, INT, and HI
positions.
2
Ground
-1.25 VDC
4
See note 4
Ground
Ground
6
-0.9 VDC
No reading AC or DC.
6
0.0 volts
9
No reading AC or DC.
6
11
0.0 volts
6
12
2.8 VAC
7
Voltage variable by "X" variable
Ground
0 to -1.25 VDC
resistor on the detector's control
box.
Terminal 8 is grounded.
8
Ground
-0.9 VDC
9
Ground
No reading AC or DC.
0 volts
9
10
No reading AC or DC.
0 volts
9
11
9
3.0 VAC
12
-0.9 VDC
10
Ground
3.0 VAC
11
12
-0.9 VDC & 3.0 VAC
12
Ground
14
-6.3 VDC
Ground
-10.0 VDC
13
Ground
6-2