Specifications

TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CONNECT EQUIPMENT AS
SHOWN IN TRANSMITTER
FREQUENCY STABILITY
PERFORMANCE TEST (PARA
2-16).
CHART 2-19
Transmitter Frequency Stability Troubleshooting
(Sheet 1 of 5)
NOTES
1. Set control unit to frequencies used in Fre-
quency Stability Performance Test (para 2-16).
2. Does the total frequency error at P3301 and
P3701 exceed 3.5 KHz?
3. Is measured frequency more than ± 3.5 KHz
from designated frequency?
SWING OPEN A3000 ASSEM-
BLY AND DISCONNECT
P3301 FROM J3301. SEE
ILLUSTRATION, SH 4.
CONNECT VOLTMETER AN/
URM-145 TO P701 AND
MEASURE VOLTAGE. SEE
ILLUSTRATION, SH 4.
PERFORM TRANSMITTER
REPLACE MODULE A2000
FREQUENCY STABILITY
(PARA 2-67).
PERFORMANCE TEST (PARA
2-16).
2-103