Sharp Electronics (UK) Ltd., Technical Services Group
"DOWNLOAD MODE" display when turning on the power
1. Model Name
AR-M150/M155/M155X/168D/168S, AL-1556/1566/1651CS/1655CS/1661CS, FO-DC550
When the power is turned on, "DOWNLOAD MODE" may be displayed, and other
operations may not be enabled.
This is because the flash ROM on the MCU PWB malfunctions due to noise.
The manufacturer of the flash ROM on the MCU PWB has been changed to SPANSION
whose flash ROM is insusceptible to noise.
Executed from the middle of production in February, 2008(Production in China)
Executed from the middle of production in March, 2008(Production in France)
n in China)
4. Not Interchangeable.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
5. Interchangeable if replaced with same types of related
parts in use.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
Parts marked with "
" is important for maintaining the safety of the set. Be sure to replace these parts with specified
for maintaining the safety and performance of the set.
1 of 1