TM 5-6675-318-14
Table 4-24. DIRECT/GENERAL SUPPORT TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WARNING
Death or serious injury may occur from electrical shock unless power cord
is disconnected.
To avoid injury and equipment damage, turn off the
unit and disconnect the power supply before performing any corrective
a c t i o n s.
1.
DISPLAY SHOWS MISSING CHARACTERS OR SEGMENTS.
Replace front panel display board (paragraph 4-20.4).
NOTE
In the following malfunctions where an error code is given, the code
number or letter refers to the corresponding board except for codes
5, 6, 7, and 8.
Codes 5, 6, 7, and 8 refer to board 6/8.
2. ERROR 3, FAULT IN MEMORY BOARD.
Replace memory board (paragraph 4-20.2).
3.
ERROR 4, FAULT IN MEMORY/PROCESSOR BOARD.
Replace memory/processor board (paragraph 4-20.2).
4. ERROR 5, FAULT IN DIGITAL 150 MHz CIRCUITS.
Replace dual channel receiver board (paragraph 4-20.3).
5. ERROR 6, FAULT IN ANALOG 150 MHz CIRCUITS.
Replace dual channel receiver board (paragraph 4-20.3).
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