Troubleshooting - BenQ VB3233 Quick Start Manual

V32B_V37B_EN.book Page 50 Wednesday, January 23, 2008 10:55 AM

Troubleshooting

There are many external influences and circumstances beyond the control of
BenQ which may be causing problems with your TV. Some of the more
common and user fixable problems are listed below for your information.
Please check the following list before calling your nearest BenQ Customer
Service Center, and attempt the following steps to diagnose and fix the
problem yourself:
Symptoms
The TV does not turn
ON
There is no picture or
sound
The cable connection
is correct, but there is
only sound and no
picture is displayed
50 Reference
Possible causes
• Check that the power switch on the power outlet is
turned on.
• Check that the power plug is securely inserted into both
the AC-INLET socket on the TV and the wall outlet, and
that the wall outlet is switched on (if switched).
• Check that power is available from the power outlet by
trying another known working appliance (e.g. desk
lamp) from that same power outlet.
• Check that the TV is turned on (The power indicator
should be green).
• Try a different input source to confirm if the symptom is
still present or whether the source is at fault.
• Check for mis-connection of cables for that input.
• Adjust the volume control to check that isn't turned
down.
• Make sure that the Speaker Out
menu is not set to Off .
• If the TV is connected to a PC, make sure that the PC is
not in standby or hibernation mode, and the PC's video
display is switch to external output.
• Make sure that the TV program is not child-locked.
• Check to make sure that the cables are firmly connected
to the terminals on the TV.
• According to the type of input signal connected, refer to
"Supported PC (D-Sub/DVI) input signal resolutions" on
page 48, "Supported Component Video input signal
resolutions" on page 48
signal resolutions" on page 49
signal resolution from the signal source device (e.g., the
PC or TV game console) is supported by the TV
(maximum 1080i for HDMI and Component Video
inputs, and 1360 × 768 @ 60Hz for PC and DVI inputs).
If the input signal resolution is too high or not
supported, the picture will not be displayed. Lower or
select a compatible signal resolution on the signal source
device and try again.
option in the Audio
or "Supported HDMI input
to ensure that the input