Specifications

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