TM 32-5811-025-14&P
Table 6-1. RF Processor Test Set Trouble Sectionalization Chart
Item
Item of
Test equipment
If indication
no.
check
Test conditions
connections and settings
Normal indication
is abnormal
1
Parallel-
Perform control signal
As indicated in
Test/repair parallel-
to-serial
test per paragraph 6-10a.
to-serial converter
converter
CCA A1 on 4800 auto-
CCA A1
matic digital test
set and repeat test.
2
RF power
Perform RF loss cali-
As indicated in
divider
bration test per
OP1
3
Power
Perform power supply
As indicated in
Proceed to item 4.
supplies
output voltage test per
If indication is
still abnormal, re-
place appropriate
output module
(STR50) for +5-V dc
failure; 15TR13
modules for +15-
V dc or -15-V dc
failure.
4
Power
Item 3 has been
Perform the following:
supplies
performed with
an abnormal indi-
a. Monitor switching
a. Terminals 4 and 6
a. Replace switch-
cation resulting
preregulator module
have +80 to +85 V dc
ing preregulator
80ASP12S2 terminals 4
present.
modules 80ASP12SI
and 6 using digital
and 80ASP12S2, and
repeat item 3.
b. Monitor HF
b. Terminals 4 and
b. Replace HF
generator module 80G90W40
6 have 40 V ac
generator module
terminals 4 and 6 using
present.
80G90W40, and
digital voltmeter.
repeat item 3.
Change 1 6-3
