TM 11-6625-3041-12/TO 33A1-8-908-1
3-11. TROUBLESHOOTING PROCEDURE (cont)
Step
If TMG IN or DATA IN indicator does not light at all settings:
10
cont
Replace cable with a known good one (such as one that connects
the UNBALANCED TMG or DATA connectors together). If indicators
now light, cause is original cable. Replace and repeat step 10.
If replacing cable does not provide proper indication, replace
one adapter with another one. If indicators now light, cause
is first adapter. Replace and repeat step 10.
If replacing adapter does not provide proper indication, replace
the other one. If indicators now light, cause is second adap-
ter. Replace and repeat step 10.
If replacing adapters does not provide proper indication, remove
LOGIC access cover (refer to para 3-16) and note which card
contains a lit fault indicator. Replace that card and repeat
step 10.
If no card contains a lit fault indicator, possible cause is
Receive 1 card A5. Replace (refer to para 3-16), and repeat
step 10.
If replacement card does not provide proper indication, refer
SG-1139 to Direct Support Maintenance.
3-29
