Install guide

ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-6. Computer Diagnostic/Alignment Program - Continued
Malfunction
Test procedure Normal indication
indication/corrective action
2b.
2c.
2d.
2e.
2f.
Press EXECUTE switch-
EXECUTE switch-indicator lights
indicator to on
TTY prints out:
PADS SOLID STATE DIAGNOSTIC
ALIGNMENT PROGRAM
PROGRAM CHECKSUM XXXXXX
SELECT TEST MODE
This indicates solid state memory.
Select test mode per table 4-7 step
2b, 4-11 step 2d, or 4-14 step 2c.
Bypass further loading procedures
unless a new program load is re-
quired. If a new program load is
desired proceed to table 4-6.2
No TTY response
This indicates either core memory
requiring diagnostic alignment tape
loading or solid state memory un-
loaded. If memory is unknown or
core, proceed to step 2c. If memory
is solid state, proceed to table 4-6.2
Press EXECUTE switch-
EXECUTE switch-indicator goes off
indicator to off to halt computer
Install part 1 (of 2) of PADS
diagnostic alignment tape num-
ber 877418-X on tape reader. Do
not tape program tape to tskeup
reel.
Manually advance tape
beyond readable tape leader
Set tape reader SPOOLING
switch to ENABLE
Press MEMORY LOAD switch-
MEMORY LOAD switch-indicator
indicator to on
lights. Tape reader reads first tape
section and stops in approximately
1 minute
EXECUTE switch-indicator flashes.
Replace cards in sequence given:
Control no. 3 circuit card assembly
A5
I/O discrete circuit card assembly A9
Control no. 2 circuit card assembly
A4
Control no. 1 circuit card assembly
A3
16-bit data circuit card assembly A2
If incorrect checksum, continue with
step 2c
EXECUTE switch-indicator remains
on
Same card replacement as step 2b
Change 6
4-50.1/(4-50.2 blank)