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Page Title:
CHART 2-19. Transmitter Frequency Stability Troubleshooting (Sheet 2 of 5) |
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|  TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-19
Transmitter Frequency Stability Troubleshooting
(Sheet 2 of 5)
DISCONNECT P3002 FROM
J3002 AND APPLY A
GROUND TO PIN 2 ON THE
VHF TUNER. SEE ILLUS-
TRATIONS ON SH 4 AND
SH 5.
REPLACE VHF TUNER
OSCILLATOR BOARD
ASSEMBLY A1500 (PARA
CHECK RELAY K3001 AND
ALINE MODULE A1500
WIRING. SEE F0-12
REPLACE IF DEFECTIVE.
PERFORM TRANSMITTER
FREQUENCY STABILITY
PERFORMANCE TEST (PARA
CHECK RESISTANCE TO
GROUND AT TP3001. SEE
ILLUSTRATION, SH 5.
2-104
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