Nec Svga Monitor Troubleshooting; Nec Svga Monitor Problems And Solutions - NEC POWERMATE P60D Service Manual

NEC SVGA Monitor Troubleshooting

Use Table Section 3-9 to help isolate and repair NEC SVGA monitor malfunctions. NEC
Services and Information telephone numbers are listed in Section 4, Table 4-1.
Table Section 3-9 NEC SVGA Monitor Problems and Solutions
Problem
Power Lamp not lit
No Picture
Screen image is not centered,
too small, or too large
Fuzzy screen image
Bounce or a wave pattern on
screen
Screen image is dark, but
power indicator is lit
Screen moves constantly
Screen image not centered
NOTE: The monitor and cable together are
considered a whole-unit, field-replaceable assem-
bly. Therefore, disassembly of the monitor is not
recommended.
Solution
1. Check that the power cable is connected to the monitor and
to a live properly grounded AC outlet.
2. Check that the power switch is on.
1. Check that the signal cable connector is completely seated in
the computer's VGA monitor connector.
2. If an ISA video controller board is used, check that the
controller board is completely seated into the ISA slot connector.
Review the instructions provided with the controller board.
3. The power switch for both the monitor and computer should
be on.
4. Check the connector ends for bent or pushed-in pins.
1. Adjust size and position controls.
1. Adjust Contrast and Brightness controls.
1. Move electrical devices that may be causing electrical
interference away from the monitor.
1. Adjust Brightness and Contrast controls.
1. Adjust Horizontal Phase control.
1. Adjust Vertical Centering control.
Options 3-45