Service manual

Electrical Components
SM 4-77 M052/M053/M054
Replacement
and
Adjustment
machine.
2. Output the SMC data (SP5-990-001) if possible.
3. Turn the main switch off.
4. Install an SD card into SD card slot 2 (lower slot). Then turn the main power on.
5. Copy the EEPROM data to an SD card (SP5-824-001) if possible.
6. Turn off the main switch. Then unplug the power cord.
7. Replace the EEPROM on the BICU and reassemble the machine.
8. Install a new EEPROM (labeled FRAM0) in the upper slot [A] with the half-disk mark [B]
facing the upward and EEPROM (labeled FRAM1) in the lower slot [C] with the half-disk
mark [B] facing the downward.
 Make sure that a FRAM0 EEPROM and FRAM1 EEPROM are installed in the
correct position.
9. Plug in the power cord. Then turn the main switch on.
10. Copy the data from the SD card to the EEPROM (SP5-825-001) if you have successfully
copied them to the SD card.
11. Turn the main switch off. Then remove the SD card from SD card slot 2 (lower slot).
12. Turn the main switch on.
13. Specify the SP and UP mode settings.
If NVRAM Data Upload and Download cannot be done for BICU EEPROMs:
Do all of the following procedure if SP5-824-001 (NVRAM Data Upload) and SP5-825-001
(NVRAM Data Download) cannot be performed for some reason:
1. Manually enter all data on the SMC report (factory settings).
4.12.6 DIMM RAM
1. Controller unit ( p.4-71)
2. Release the locks [A], and then remove the DIMM RAM(s) [B]