Akai LM-H17CLSA Service Manual page 19

CODE SYMPTOM
PP5 Stripe noise .
PP6 No color, too light or too
dark
NS1
Good picture, no sound
NS2 Noisy noise
NS3 No sound in TV mode
NS4 Good picture, but noisy
sound or no sound in TV
mode.
PC1 PC display is Not Full
Screen
PC2 Horizontal Noise or Color
pattern is not uniform
COUNTERMEASURES
•
Check the coaxial cable connected with the TV is not
oxidized
•
Do not use 300 ohm twin lead cables as interference
may occur
•
It is recommended to use a 75 ohm coaxial cable (not
supplied) to get premium quality picture.
•
Keep the aerial cable away from other connecting
cables.
•
Adjust the picture settings — APC, Brightness,
Contrast, Saturation , Color Temp.
•
Press "RESET " button on remote control .
•
Make sure the headphone is not connected.
•
Check audio connections between Equipment &
LCD-TV.
•
Press MUTE or VOL + to cancel the muting.
•
Make sure that the aerial connected is 75 ohm coaxial
cable (not supplied) , not 300 ohm twin lead cables .
•
Keep the aerial cable away from other connecting
cables.
•
Press SOUND to select "Mono" which will reduce
the noise
•
Adjust BASS or TREBLE properly in OSD.
If the Country setting for the TV is incorrect , it may
prevent the sound from being issued
•
Select the Country where you are located in OSD
Menu.
•
If the country is not listed in OSD , select "Other
Country" .
•
If the sound of "all the channels" is noisy , run
A.P.S. again by selecting Automatic Search in OSD.
•
If the sound of "some channels" is noisy or no
sound , select Manual Search and select an
appropriate TV system in OSD such as B/G , D/K ,
I , L/L' ; then , store it.
( If the sound system setting for a TV channel is
incorrect , it may prevent the sound from being issued .)
•
Select Auto Image Adjust in OSD menu to optimize
the image .
•
If executing Auto Image Adjust still can not achieve
full screen display, adjust V.Position and H.Position
in PC mode
•
Select Auto Image Adjust in OSD menu to optimize
the image .
•
If still no good , adjust H. Phase in OSD menu
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