TM 11-5821-333-30
3-9. OPERATIONAL CHECK. Continued
ACTION
RESPONSE
Step 4. FUNCTION SWITCH CHECKS
a. Set uut switches:
a. No response.
FUNCTION
LD
PRESET
1
MODE
SC
b. On uut, press FREQ and then CLR.
c. If rcu is C-11466A, go to step f.
d. On uut, set FUNCTION switch to LD-V and
then MODE switch to FH.
e. Skip step f.
f. On uut, set MODE switch to FH.
g. On uut, set FUNCTION switch to Z-A.
h. Check LAMP 2 on test adapter.
Step 5. LOOP TEST
Check LAMP 6 on test adapter.
Step 6. PANEL ILLUMINATION CHECK
a. On test adapter, set AC switch to ON.
b. On test adapter, set AC switch to OFF.
b. Response:
If not, W2 flex cable assembly is bad.
c. No response.
d. Response:
if not, W2 flex cable assembly is bad.
e. No response.
f. Response:
if not, W2 flex cable assembly is bad.
g. Response:
if not, W2 flex cable assembly is bad.
h. LAMP 2 is lit, If not, go to chart 17.
LAMP 6 is lit. If not, power supply (A4) is bad.
a. Front panel of uut is lit. If not, go to chart
18.
b. No response.
3-11
