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Troubleshooting
27
LT-Z70/56RX5 / LCT1911-001A / English
ENGLISH
PageActionsProblem
Remote control stops
working.
• Unplug TV, several minutes later plug it in again.
—
Black or white dots
appears on the screen
—
• Although the HD-ILA element is manufactured with high-
precision technology, please understand that some pixels may be
lost or permanently displayed.
Poor picture quality
• Unnatural colour >>> Adjust COLOUR and BRIGHT.
Check your COLOUR SYSTEM.
• Noise >>> Set to the following functions.
PICTURE MODE: STANDARD
DIGITAL VNR: AUTO (HIGH)
Super DigiPure: MIN
• Dull picture >>> Set to the following functions.
PICTURE MODE: BRIGHT
DIGITAL VNR: MIN
Super DigiPure: MAX
15, 17
15, 16
15, 16
—
—
Poor sound
• Adjust the BASS and TREBLE.
• If receiving a poor signal in "STEREO / I · II", switch to MONO.
• Adjust the channel reception using "MANUAL".
18
18
21
Wrong screen size
• Switch SIZE in HDMI SETTING to "1" or "2".
23
No sound • Switch AUDIO in HDMI SETTING to ANALOG or DIGITAL.
23
Green and distorted
screen
• Wait a little for the signal to stabilize when switching the signal
format for an HDMI device.
—
Basics
Picture
Sound HDMI
• If the top of the image is distorted, check the video signal quality
itself.
• If movement appears unnatural when receiving a signal from a
DVD player, etc. with progressive-scanning, change the output
setting of the external device to interlace-scanning.
Strange picture when
using an external device
HD-Z70&56RX5_Eng.book Page 27 Wednesday, August 24, 2005 10:30 AM