Sharp AL-2020 Service Manual page 115

Main Sub
Contents
code code
49 01 Flash ROM program writing
mode
[Function]
When this simulation is executed, "d" is displayed on the display (or "DOWNLOAD MODE" is
displayed on the LCD for the AL-2050/2060), 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 RECEIVING
Loader function transfer
Date delete start
Data write (Boot section) BOOT WRITING
Data write (Program
section)
Data write (EEPROM)
Data write (LCD)
During SUM CHECK
During BOOT SUM
CHECK
During EEPROM SUM
CHECK
Download complete
Error state
* "∗" in an error display indicates the error position.
1 Data reception error
2 Loader function transfer
3 FLASH ROM delete
4 FLASH ROM writing (Boot section)
5 FLASH ROM writing (Program section)
In case of an error in download, the following message is displayed on the LCD.
(AL-2050/2060)
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
IMC communication error
IMC 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] (AL-2050/2060)
1) Initial display
DOWNLOAD MODE
AL-2020/2035/2040/2050/2060 SIMULATION, TROUBLE CODES 10 - 25
Details of function/operation
AL-2050/2060 AL-2020/2035/2040
Display item Display
"d" ON
LOADER COPYING
FLASH ERASE "d" ON
"d" ON
PROGRAM WRITING "d" ON
E2PROM WRITING
LCD DATE WRITING
FLASH ROM SUM "d" ON
CHECK
BOOT SUM CHECK
EEPROM SUM CHECK
DOWNLOAD "0FF" ON
COMPLETE!
∗
"E " ON
6
7
8
9
10
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 IMC TRANS
E-18 IMC FLASH WRITE
E-19 LCD DATE LENGTH
E-20 LCD DATE WRITE
E-21 LCD DATE SUM
Pre-heat Ready Remark
lamp lamp
ON OFF
AL-2050/2060
OFF ON
Blink OFF
Blink Blink
AL-2050/2060
AL-2050/2060
ON ON
AL-2050/2060
AL-2050/2060
OFF OFF
OFF OFF AL-2020/2035/2040
Sum check (Loader section)
Sum check (Boot section)
Sum check (Program section)
Sum check (EEPROM section)
Data error
Display item
] key, turn on the power.