TM 11-5841-283-34-1/NAVAIR 16-30APR39-2
2-11. TROUBLESHOOTING OF RADAR SIGNAL INDICATOR. (CONT)
GROUND
UNBLINKING
INJECT RF (NOTE 2)
TP (NOTE 1)
INTO UNIT 5
I
I
RECEIVER J2
INJECT RF (NOTE
2) INTO UNIT 4
RECEIVER J1
I
REPLACE ClRCUIT CARD
A1 AND/OR DRIVER
NO
TRANSISTORS Q1, Q3
SEE PARAGRAPHS 2-37
REMOVE GROUND
ON UNBLINKING
TP
CHECK YOKE AND
CHECK YOKE AND
ASSOCIATED WIRING
ASSOCIATED WIRING
REPAIR OR REPLACE,
REPAIR OR REPLACE,
IF NECESSARY
IF NECESSARY
SEE PARAGRAPHS 2-33
SEE PARAGRAPHS 2-33
I
GROUND
GO
UNBLINKING
TO D
TP (NOTE 1 )
ON PAGE
NOTES:
1. NAMED TEST POINTS (UNBLINKING,
AUDIO) ARE LOCATED ON TEST ADAPTER.
2. 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
EL1BF012
RECEIVER INPUT.
2-21
Previous Page
