(including voltage, resistance and waveform data) as
NOTE
well as schematics and component location diagrams
Use Multimeter ME-26 (*)/U to measure voltage at
are provided in chapter 9. Wiring lists are provided in
TP3 and TP4 (2300) block). Use the AN/USM-98
voltmeter to make all other voltage measurements.
NOTE
8.1-4. General Test Requirements
The block 700 receiver-transmitter power converter
a. Alternating Current Operation. For alternating current
in some equipment may not have a -600 volt output.
(at) operation, connect the equipment as shown in figure
8.1-1. Set Variable Power Transformer TF-171/USM to
Panel marking and
Block
DC voltage
provide 5 volts ac. All circuit brakers should be on, and
test point
No
MIn
Max
all switches except the lNPUT POWER switch should be in
-600 PR(TP23) . . . ... . . . . ..700
-640
-580
the down position.
+300
+320
+330 RED(TP62) . . . . . . . . ... .. 700
+96
+118
+110 RED(TP16). . . . . . . ... .700
b. Direct Current Operation. For direct current (de)
+112
+122
+12 RED(TP15) . . . . . . . . . . 700
operation, connect the equipment as shown in figure
+5 6
+6 5
+6 RED(TP13) . . . . . . . . . . . . ..700
8.1-2. Monitor the output of Power Supply PP-2309A/U to
-47
-5.0
-5 PR(TP14) . . . . . . . . . . . . . . . ..700
provide 6 .06 volts dc at test point TP7. All circuit
-70
-58
-6 PURP(TP17) . . . . . . . . . . . . .700
breakers should be on, and all switches except the INPUT
+27
+31
+35 RED(TP58) . . . . . . . . . . . . . . . ..2300
+10
+8 5
+12 RED(TP56). . . . . . . . . . . . .2300
POWER switch should be in the down position.
-10.3
-12 PURP(TP57) . . . . . . . . .2300
-85
c. Voltage Tests. All voltage tests should be made first
-185
TP3 . . . . . .. . . . . . . . . .. . . . . . 2300
-270
in ac operation and then in dc operation. All dc voltages
TP4 . . . . . . . . . . . . . . . 2300
+27 O
+185
should be made between a test jack, a front panel
VAC (TP64 and TP65). . . . . . . . . .700
6VAC
connector pin, and/or appropriate extender test cable
1
Not in all equ/pment
and ground. All ac voltages should be measured as
8.1-6. Front Panel Waveforms
indicated in the test. The high voltage test should be made
with Multi meter TS-352/P connected as shown in figure
Multi meter ME-26 (*)/U connected as shown in figure 9-6.
e. Make test point measurements as indicated in the
should be made with the input voltage disconnected.
chart below.
e. Co/or Coded Test Jacks. Test jacks on the front panel
are color coded as follows:
Color
Indication
Red . . . . . . . . . . . . . . . . . . . . . .Positive voltage
Purple (PR) . . . . . . .Negative voltage
Green (GRN) . . . . . . . . . . . . . . . .lnput signal
Blue (BLU) . . . . . . . . . . . . . . . .. Output signal
Yellow (YEL). . . . . . . . . . . . Interstage signal
Black (BLK) . . . . . . . . . . . . . .. Ground
Whlte(WHT) ... . . . . . . . . . . . . .. REMOTE CABLE TEST
White and adjacent black. . . . . ...400 cps
Preliminary Adjustment. Prior to starting depot
t.
overhaul standards tests, adjust internal variable resistor
8.1-7. Block 100 Voltage and Continuity Tests
R713 of block 700 receiver-transmitter power converter
for -4.85 to 4.90 voltd dc measured at TP705 using the
b. Set the block 100 power switch to ON. Check the 100
AN/USM-98. A direct current supply voltage of .06
connector J7 and OSC CUR test jack TP11 ()c below). Use
monitored at TP17 is required for the tests.
the CX-10431/PPS-5 cable.
c. Make voltage and/or continuity measurements as
8.1-5. Front Panel Voltage Test Points
indicated in the chart below.
Measure the voltages given in c below.
Measure the voltages given in c below.
c. Make test point measurements as indicated in the
chart below.
Change 12
8.1-2
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