Trouble Shooting - Grunkel LED-20H FHDT2 Manual Del Usuario

Before consulting service personnel, check the following chart for
PROBLEM
TV will not turn on
No picture, no sound
Poor picture, sound OK
Audio noise
The TFT LED panel uses a panel consisting of sub pixels which requires sophisticated technology to
produce. However, there may be
will have no impact on the performance of the product.

Trouble Shooting

SOLUTION
●Make sure the power cord is plugged in.
●The batteries in the remote control may be
Exhausted; replace
●Check the cable between TV and antenna/
device.
●Press the power button on the remote.
●Press the SOURCE button the remote, then press the
"▲/▼"button repeatedly to select the TV source.
●Check the cable between TV and antenna/
device.
●Try another channel, the station may have broadcast
difficulties.
●Adjust the brightness/contrast in the Video menu.
that the unit is set to PAL
●Move any infrared equipment away from the TV.
bright or dark pixels on the screen. These pixels
a small number of
26
possible solutions.
the batteries.
external AV
external AV
Check