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[Self-diagnosis Display]
(1) ROM Error Contents: Data of EPROM (IC704) is wrong. Method: � Check the bridge is possible and if find out a repair. � IC704 insert the socket is wrong, if find out a insert again. Display:
[Initialize Method]
Press three buttons [SAVE], [SYSTEM], and [POWER] simultaneously, and the display of fluorescent indicator tube changes to �All Initialize!!�, and restart system.
(2)
Internal RAM Error Contents: Internal RAM of micro computer (IC701) is wrong. Method: � Perform an initialize. (See Initialize Method.) � Replace the IC701, if do not restore of the initialize is not happen another error messages. Display:
(3)
External RAM Error Contents: Internal data of SRAM (IC702) is wrong. Method: � Check the bridge is possible and if find out a repair. � Perform an initialize. (See Initialize Method.) � Replace the IC702, if do not restore of these items the above-mentioned and not happen another error messages. Display:
(4)
DRAM Error Contents: Internal data of DRAM (IC503) is wrong. Method: � Check the bridge is possible and if find out a repair. Display:
(5)
Battery Low Contents: Exhaust the power of lithium battery (BA501). Method: � Replace the BA501. � Check a point of contact, if do not restore of replace the BA501. Display:
