6881094C31-E November 16, 2006
Troubleshooting Procedures: Power-Up Self-Check Diagnostics and Repair (Not for Field Use) 4-7
01/92 The radio should be sent to the depot for reprogramming of the security codeplug.
01/93 The radio should be sent to the depot for reflashing of the host code.
01/98 Send radio to the depot for replacement of the SRAM U403.
01/A2 The radio should be sent to the depot for reflashing of the tuning codeplug followed by
re-tuning of the radio.
02/81 The radio should be sent to the depot for examination and/or replacement of either the
FLASH U402, or the PATRIOT MCU/DSP U401.
02/88 Cycle power to the radio. If this does not fix the problem, then the radio should be sent
to the depot for reflashing of the DSP code. Continued failure requires examination and/
or replacement of the SRAM U403.
02/90 Cycle power to the radio. If this fails to fix the problem, then the radio should be sent to
the depot for reflashing of the DSP code. Continued failure may require replacement of
U401, the PATRIOT MCU/DSP.
09/10 Cycle power to the radio. If this fails then follow instructions in the secure hardware
failure troubleshooting flowchart.
09/90 Cycle power to the radio. If this fails then follow instructions in the secure hardware
failure troubleshooting flowchart.
Table 4-5. Power-Up Self-Check Diagnostic Actions (Continued)
Error
Code
Diagnostic Actions
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