TM 11-6625-3041-30/TO33A1-8-908-12
2-6.
SG-1138 CHECK PROCEDURE (CONT)
q Set
controls as
Step Errors
follows:
Display
11
POWER . . . . . . ON
TIMING . . . . . MASTER
DATA RATE . . 576
ATACS
Keep cables con-
nected. Press
and hold LAMP
TEST pushbutton:
ERRORS display must
read all 8s. If it
does, release LAMP
TEST pushbutton and
Keep cables connected.
proceed to step 12.
This step checks the following:
Transmit 2 card . . . . . Clock Control Gen
Error Counter (all 8s function)
Display Mux
Control Filter . . . . . . ERRORS display (all 8s function)
If ERRORS display does not read all 8s:
Remove LOGIC access cover (refer to TM 11-6625-3041-12) and
note which card contains a lit fault indicator. Replace that
card and repeat step 11.
If no card contains a lit fault indicator, possible cause is
Transmit 2 card A4. Replace (refer to TM 11-6625-3041-12) and
repeat step 11.
If replacement card does not provide proper indication, pos-
sible cause is Control Filter A8 ERRORS display. Replace
control filter (refer to para 2-13), and repeat step 11.
