TM 11-5841-283-34-1/NAVAIR 16-30APR39-2
2-11. TROUBLESHOOTING OF RADAR SIGNAL INDICATOR. (CONT)
CHECK YOKE AND
ASSOCIATED WIRING,
IF NECESSARY REPAlR
OR REPLACE SEE
PARAGRAPHS 2-42 AND
GROUND
UN BLANKING
TP (NOTE 2)
INJECT RF (NOTE 1 )
INTO UNIT 4
RECEIVER J2
INJECT RF (NOTE
1 ) INTO UNIT 5
RECEIVER J1
REPLACE CIRCUIT
CARD A2 AND/OR
DRIVER TRANSIS-
TORS Q2, Q4 SEE
CHECK YOKE AND
ASSOCIATED WIRING,
NO
IF NECESSARY REPAlR
OR REPLACE SEE PARA-
REPLACE COVER
PERFORM SELF TEST
SEE PARAGRAPH 2-15
NOTES:
1. TO INJECT RF:
A. CONNECT EQUIPMENT
B. ADJUST SIGNAL GENERATOR:
FREQUENCY ANY WITHIN RECEIVER BAND LIMITS
PRT APPROX 1 MILLISECOND
PW APPROX 2 MICROSECONDS
POWER -10 DBM AT RECEIVER INPUT
C. SET DSCRM SWITCH OFF
D. CONNECT SIGNAL GENERATOR OUTPUT TO SPECIFIED
RECEIVER INPUT
2. UNBLINKING TEST POINT IS LOCATED ON
TEST ADAPTER.
EL1BF013
2-22
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