Section 3 Troubleshooting; Quick Troubleshooting - NEC VERSA 6200MX Service Manual

Section 3
Troubleshooting
This section focuses on providing you with some information on basic troubleshooting as
well as how to translate some system error messages.

QUICK TROUBLESHOOTING

This section summarizes problems that may develop during system operation and lists sug-
gested corrective actions.
PROBLEM
No power
Data on the LCD is unreadable
Table 3-1 Quick Troubleshooting
CORRECTIVE ACTIONS
Check that the AC adapter is plugged into the
power connector of the system. Also, check that
the AC adapter is plugged into a properly
grounded AC power outlet.
If using the battery as the main power source,
check if the battery pack is the right type, is
charged, and is inserted correctly.
Check the I/O board of the system. Is it inserted
into the main board connector properly?
Otherwise, replace the I/O board.
Adjust the brightness control on the right side of
the LCD panel.
Check if the LCD cables are inserted properly.
Also, check connections inside the LCD panel.
Check if installed VGA driver is correct.
Check the VGA controller chip on the main board
for any loose soldering.
Replace the Graph board.