TM 11-5821-333-30
4-11. OPERATIONAL CHECK. Continued
ACTION
RESPONSE
Step 6. RETRANSMIT TEST
a. Set test adapter:
PTT(S13)
OFF
S5,
S6
11
TEST EQUIPMENT
SELECTOR
DMM
b. While watching DMM, set RXMT switch on
test adapter to ON.
c. Set test adapter:
RXMT
OFF
S5,
S6
4
SQ/CLK
OFF
PTT(S13)
UUT
RXMT
ON
Step 7. LOOP TEST
a. Set PTT(S13) switch on test adapter to OFF.
b. Check LAMP 6 on test adapter.
a.
No response.
b. Resistance changes from open circuit to less
than 100 ohms, LAMP 2 on test adapter is
on. If not, go to chart 11.
c. LAMP 2 on test adapter is off. if not, bit sync
module (A3) is bad,
a. No response,
b. LAMP 6 is on. If not, connector housing as-
sembly (A6) is bad.
4-12