Sony UP-D2550S Service Manual page 31

8. Bus check
<Contents> CPU checks self CPU bus easily by writing and reading the memory control IC
102, EEPROM IC201 and pallet IC101.
PAGE4 ADDRESS 24 [EXEC] W
OK : 1 bell, NG : 3 bells
NG :
Confirm the NG generation portion.
PAGE1 ADDRESS 17 DATA** R
1 : memory control IC102
2 : pallet IC101
3 : EEPROM IC201
9. DRAM check
<Contents> Performed if the results of printing the built-in test patterns are NG.
This command checks IC102, IC107, IC108, and IC101 of the IF-762 board.
PAGE5 ADDRESS 15 [EXEC] W
OK : 1 bell, NG : 3 bells
10. Division print position adjustment
<Contents> Print position when division printing is moved ellectrically.
H direction
PAGE1 ADDRESS 44 DATA** R/W
V direction
PAGE1 ADDRESS 45 DATA** R/W
11. Error history information
<Contents>
<Procedure>
<Data confirmation>
UP-D2550S (UC,CE)
Error history information of mechanical deck.
Error information during mechanical operation is read out.
The latest eight informations are kept.
The contents is corresponded the data of NG_CODE1.
P1 ADDRESS 5F <EXEC>
P4 ADDRESS 40 DATA** Data 0 = Latest error information
P4 ADDRESS 41 DATA** Data 1
P4 ADDRESS 42 DATA** Data 2
P4 ADDRESS 43 DATA** Data 3
P4 ADDRESS 44 DATA** Data 4
P4 ADDRESS 45 DATA** Data 5
P4 ADDRESS 46 DATA** Data 6
P4 ADDRESS 47 DATA** Data 7
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