10-12
Chart 10. 01/92, Internal EEPROM Checksum Failure
Replace U701.
Reprogram Internal
EEPROM.
Internal
EEPROM
reprogrammed?
End
No
Yes
Verify operation of
Power Down Reset Per
Fig. W9.
Reset
Functional?
Replace U726.
No
Yes
Fail 01/92
Internal EEPROM
Checksum Failure
Realign radio.
MAEPF-26024-O
Synopsis
This failure indicates the Host
C interal EEPROM is incorrect.
This data contains, among other
things, radio tuning parameters.
Basic failure modes are as
follows:
1) The contents of the internal
EEPROM have been corrupted.
A possible cause of corrupted
data may be improper operation
of the power down RESET
circuit U726.
2) An internal failure of U701
has occurred.