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Page Title:
CHART 2-17. Transmitter Distortion Narrow Band Troubleshooting (Sheet 1 of 2) |
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|  TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-17
Transmitter Distortion Narrow Band Troubleshooting
(Sheet 1 of 2)
CONNECT EQUIPMENT
CHECK DC VOLTAGE AT
AS SHOWN IN DISTORTION
TP8701. SEE ILLUSTRATION,
NARROW BAND PER FOR-
SH 2.
MANCE TEST (PARA 2-14).
CHECK DC VOLTAGE AT
TP8706 ON AMPLIFIER
REPLACE AUDIO MIXER
MODULATOR ASSEMBLY
MODULE A8600 (PARA 2-14).
A8700. SEE ILLUSTRATION,
SH 2.
CHECK +16 VDC DISTRIBU
TION AND REPAIR. SEE
PERFORM TRANSMITTER
USING AN/URM-145, CHECK
DISTORTION NARROW
AC VOLTAGE AT TP8704 ON
BAND PERFORMANCE TEST
MODULE A8700. SEE
ILLUSTRATION, SH 2.
REPLACE AUDIO MIXER
MODULE A8600 (PARA 2-45)
REPLACE 11.5 MHzMOD-
ULATOR MODULE A8100
2-99
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