Service manual

2. Firmware Upgrade Procedure
When you receive the returned LCD TV, please check whether the firmware version is the
latest. If not, please do the following procedures to upgrade it to the latest version.
2.1. Equipment Needed
- N3250W(G) LCD TV
- Fixture for Firmware Upgrade
- VGA Cable
- PC (Personal Computer)
- LPT Cable
- Firmware Upgrade Program
- One additional LCD TV for checking the program execution
PC
VGA Cable
Co
m
Por
t
RS-232 Cable (pin to pin)
N3
2
50W(G)
L
C
D T
V
14
ViewSonic Corporation Confidential
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Do Not Copy N3250w-G