Read Sharp DK-A10H (serv.man3) Service Manual online
DK-A10H/DK-A10H(BK)
2 – 4
[8] EEPROM Writing Mode
A Test Mode to apply improvement patch if happen bug in Micom Mask IC,
1.Test Mode Operation
a) POWER ON in display porpose Power ON.
b) Check port setting, if set to EEPROM exist, go to EEPROM write standby condition.
b) Check port setting, if set to EEPROM exist, go to EEPROM write standby condition.
c) DATA being send from PC using RS232C port, DATA will be transfer to EEPROM.
d) After finished transfer, EEPROM writing port will be set to write prohibit.
e) By pressing POWER key test mode end and RESET process will be execute.
e) By pressing POWER key test mode end and RESET process will be execute.
CONDITION
LED CONT 1/2 ALARM LED
READY TO RECEIVE DATA
ON
ON
WRITING
BLINK
OFF
WRITING END
ON
OFF
WRITING ERROR
OFF
BLINK
[6] Test Mode for Writing Micom Software (FLASH IC)
1. CD-R Writing Mode
It possible to write software to FLASH using CD-R. This Test Mode is to set enviroment
for writing process.
for writing process.
System MICOM will POWER ON in CD function.
SYS Side
Κ
Ѿα Enter "ROMCF____" and display will show“FLASH_WR_”.
ѿα Load CD-R that only being copy with *.MOT file.
Ҁα Unit will automatically enter UPDATE Mode after reading DATA.
ҁα SNOOZE_LED will blink during Writing Process.
҂α After succeed writing SNOOZE_LED will light up.
҃α If error happen ALARM_LED will start blinking.
҄α Take out DISC after the DISC EJECTED.
҅α RESET will be display due to POWER key press if writing process succeed.
҆α Test Mode end without reseting for error writing if POWER key pressed.
ѿα Load CD-R that only being copy with *.MOT file.
Ҁα Unit will automatically enter UPDATE Mode after reading DATA.
ҁα SNOOZE_LED will blink during Writing Process.
҂α After succeed writing SNOOZE_LED will light up.
҃α If error happen ALARM_LED will start blinking.
҄α Take out DISC after the DISC EJECTED.
҅α RESET will be display due to POWER key press if writing process succeed.
҆α Test Mode end without reseting for error writing if POWER key pressed.
[7] Test Mode for Writing EEPROM Patch
1. CD-R Writing Mode
It possible to write PATCH to EEPROM using CD-R. This Test Mode is to set enviroment
for writing process.
for writing process.
System MICOM will POWER ON in CD function.
SYS Side
Κ
Ѿα Enter ROMCE and display will show “EEPROM_WR”.
ѿα Load CD-R that only being copy with *.MOT file.
Ҁα Unit will automatically enter UPDATE Mode after reading DATA.
ҁα LED CONT1/2 will blink 1Hz during Writing Process.
҂α After succeed writing LED CONT1/2 will light up.
҃α If error happen ALARM_LED will start blinking 2Hz.
҄α Unit will Automatically RESET, if writing process succeed.
҅α RESET will be display due to POWER key press if writing process fail.
ѿα Load CD-R that only being copy with *.MOT file.
Ҁα Unit will automatically enter UPDATE Mode after reading DATA.
ҁα LED CONT1/2 will blink 1Hz during Writing Process.
҂α After succeed writing LED CONT1/2 will light up.
҃α If error happen ALARM_LED will start blinking 2Hz.
҄α Unit will Automatically RESET, if writing process succeed.
҅α RESET will be display due to POWER key press if writing process fail.
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