Akai LM-H30CJSA, Service Manual

Page: 22 / 64

CODE SYMPTOM COUNTERMEASURES
PP5
Stripe noise .
•
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.
Poor
Pictur
e
PP6 No color, too light or too
dark
•
Adjust the picture settings — APC, Brightness,
Contrast, Saturation , Color Temp.
•
Press “ RESET ” button on remote control .
NS1 Good picture, no sound
•
Make sure the headphone is not connected.
•
Check audio connections between Equipment &
LCD-TV.
•
Press MUTE or VOL + to cancel the muting.
NS2 Noisy noise
•
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.
NS3 No sound in TV mode 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” .
No Soun
d or
N
oisy Soun
d
NS4 Good picture, but noisy
sound or no sound in TV
mode.
•
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 .)
PC1 PC display is Not Full
Screen
•
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
PC
PC2 Horizontal Noise or Color
pattern is not uniform
•
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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