Flash Rom's - Sharp AR-BC260 Service Manual

12) Confirm that downloading (copying to the Flash ROM) is com-
pleted on the computer display and on the LCD display. It nor-
mally takes 5 to 7 minutes to copy (write) to the Flash ROM.
When downloading is normally completed, the following indi-
cations are shown.
∗
LED3 on the ICU PWB are turned off, and LED1 and LED2
flash at a low speed.
∗
"FIRMWARE UPGRADE FINISHED" is displayed on the
LCD.
B. Method using two Flash ROM sockets on the ICU MAIN PWB to copy between Flash ROM's
1) Check that the power of the machine is OFF. Install the Flash
ROM (of either of ICU PWB, PCU PWB, or operation control
PWB) to the ICU PWB Write socket.
(NOTE)
The monitor displays before and after and during the Flash ROM version up (copy) operation are shown below. If the Flash ROM version up
operation is not completed normally or if the Flash ROM is not installed to the socket properly, a trouble code is displayed. In that case, per-
form the countermeasures shown in the table below.
(1) ICU MAIN PWB monitor LED lighting specification
The monitor LED status during copy (write) operation of PC to Flash ROM and Flash ROM to Flash ROM is shown below. In the copy
mode of Flash ROM to Flash ROM, the machine status is indicated only with the monitor LED.
While in the copy mode of PC to Flash ROM, the status is indicated on the operation panel or the PC monitor.
Status LED lighting specifications
LED1 LED2
Status 1 Low- Low-
speed speed
flashing flashing
Status 2 High- High-
speed speed
flashing flashing
Display when writing the program data from PC to Flash ROM
Status 3 ON OFF
Status 4 OFF Flashing
Status 5 Flashing ON
Status 6 Flashing Flashing
Status 7 ON ON
Status 8 OFF Flashing
Status 9 Flashing ON
Status 10 Flashing Flashing
Status 11 ON ON
Status 12 ON Flashing
Status 13 Low- Low-
speed speed
flashing flashing
Mode
Normal operation
System down
Download SIM start
Download ROM not-installed
error
During data transfer from PC
Data transfer error from PC
Flash deleting
Flash deleting error
Flash writing
Flash writing error
Verifying
Verifying error
Normal completion
AR-BC260 ROM VERSION UP 12 - 9
13) Cancel the simulation 49-1, and turn off the power of the
machine.
(Note) If the Flash ROM is removed from or installed to the
machine with the machine power ON, the Flash ROM
may be destroyed. Be sure to turn off the power of the
machine before removing or installing the Flash ROM.
14) Remove the Flash ROM (which was upgraded) installed to the
ICU MAIN PWB Write socket in procedure 1).
When another Flash ROM is to be upgraded, install it to the ICU
PWB Write socket and turn on the power, and perform procedures
11) through 14).
2) Install the source Flash ROM (which has the program data of
either of ICU PWB, PCU PWB, or operation control PWB) to
the ICU PWB Read socket.
3) Turn on the power of the machine. Copying is started. When
copying is completed, LED3 on the ICU PWB are turned off,
and LED1 and LED2 flash at a low speed. It normally takes 30
to 60 sec to copy (write) to the Flash ROM.
4) Turn off the power of the machine, and remove the Flash
ROM's from the Read and the Write sockets.
(After work)
1) Installed the copied Flash ROM to the specified PWB.
2) Turn on the power of the machine and check that the machine
operates normally.
3) Use the simulation 22-5 to check each ROM version.
4) Install the shield plate and the stopper shift. (3 screws)
5) Attach the right upper cabinet of the machine. (2 screws)
LED1 LED2
Display when copying data from Flash ROM to Flash ROM
Status 14 ON ON
Status 15 OFF Flashing
Status 16 ON ON
Status 17 ON Flashing
Status 18 ON ON
Status 19 OFF Flashing
Status 20 Flashing ON
Status 21 Flashing Flashing
Status 22 ON ON
Status 23 ON Flashing
Status 24 Low- Low-
speed speed
flashing flashing
Status in bold means an error
Mode
ROM copy start
Download ROM not-installed
error
ROM capacity checking
ROM capacity check error
Flash deleting
Flash deleting error
Flash writing
Flash writing error
Verifying
Verifying error
Normal completion