Sharp AL-2051 Service Manual page 100

Main Sub
Contents
code code
49 01 Flash ROM program writing
mode
[Function]
When this simulation is executed, "DOWNLOAD MODE" is displayed on the LCD, the machine
goes into the program writing mode from PC to Flash ROM.
Use the writing tool on the PC and write the program.
During writing, the display shows as follows:
After completion of download, turn OFF/ON the power to reset.
Status
Download data receiving
Loader function transfer
Date delete start
Data write (Boot section)
Data write (Program section)
Data write (EEPROM)
Data write (LCD)
During SUM CHECK
During BOOT SUM CHECK
During EEPROM SUM CHECK
Download complete
In case of an error in download, the following message is displayed on the LCD.
Error status
PC data receiving
Loader function transfer
FLASH ROM delete
Boot section FLASH ROM write
Program section FLASH ROM write
Loader section SUM CHECK
Boot section SUM CHECK
Program section SUM CHECK
E2PROM SUM CHECK
E2PROM write
E2PROM read Verify
E2PROM collating Verify
Boot section lens check
Program section lens check
E2PROM lens check
Total data size check
Network board communication error
Network board FRASH ROM write
LCD section lens check
LCD section FLASH ROM write
LCD section SUM CHECK
To enter the download mode, there is a method to use key operations as well as to use a simu-
lation. With the power OFF, press and hold [Clear All] key + [
[Operation]
1) Initial display
DOWNLOAD MODE
AL-2051 SIMULATION, TROUBLE CODES 10 - 24
Details of function/operation
Display item
RECEIVING
LOADER COPYING
FLASH ERASE
BOOT WRITING
PROGRAM WRITING
E2PROM WRITING
LCD DATE WRITING
FLASH ROM SUM CHECK
BOOT SUM CHECK
EEPROM SUM CHECK
DOWNLOAD COMPLETE!
Display item
E-01 PC TRANS
E-02 LOADER COPY
E-03 FLASH ERASE
E-04 BOOT WRITE
E-05 PROGRAM WRITE
E-06 LOADER SUM
E-07 BOOT SUM
E-08 PROGRAM SUM
E-09 E2PROM SUM
E-10 E2PROM WRITE
E-11 E2PROM READ
E-12 E2PROM COLLATE
E-13 BOOT LENGTH
E-14 PROGRAM LENGTH
E-15 E2PROM LENGTH
E-16 DATE SIZE
E-17 ANB TRANS
E-18 ANB FLASH WRITE
E-19 LCD DATE LENGTH
E-20 LCD DATE WRITE
E-21 LCD DATE SUM
] key, turn on the power.
Remark