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|  TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
PRELIMINARY PROCEDURE. Set up equipment as shown in diagram.
NOTE:
INDICATES EQUIPMENT MARKING
EL1AT159
NOTE
Red covered battery clip on test set power cable connects to + 27.5 vdc power supply
outlet. Black covered battery clip connects to ground.
1. Adjust power supply for an output of + 27.5 vdc.
2. Set test set controls as indicated in the following table.
CONTROL AND SWITCH SETTINGS
POSITION/SETTING
CONTROL OR SWITCH
OFF
TRANSMIT switch
ON
PILOT-ON
NAR BAND
WIDEBAND NAR BAND
RF-AMP ALINE switches
ON
ON-AGC
LO
HI-LO switch
DIS
SQUELCH
T/R
MODE SWITCH
1
Transmit-lnterphone selector
ON
RECEIVER 1
ON
+28 VDC
3. Proceed to Troubleshooting Chart 2-1 or to other troubleshooting charts as directed by per-
formance tests.
2-55
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