KWorld SA230 - Manual (Page 15)

TVBOX
15
SIX
Troubleshooting
Failure Cause and action
No picture, no sound No power connection, or defective connection of plug. Receiver is
at standby mode.
Picture displayed
without sound
Speaker for multimedia is not connected properly.
Volume is not turned on. Click Volume + button.
No color Chroma is not turned on. Adjust chroma option under PICTURE
menu.
Program is of black and white color.
Picture system is set improperly. Set picture system correctly
under PICTURE menu.
Normal sound but no
picture
Monitor is not connected properly.
Interference in TV signal too strong leads to protection state of
monitor.
No picture or
unusual color of
picture from PC
Check if VGA cable is connected properly and if PC runs normally.
Remote control can’t
be operated or has
low sensitivity.
Check if batteries are installed correctly.
Check if batteries are of weak power, or signal from remote
control is obstructed or disturbed.
Snow spots or
oblique line, vertical
line in picture
Signal from antenna is too weak. Add antenna amplifier.
Defective connection of antenna, or the wire in antenna cable is
breaking off.
Failure of TV station.
The default
resolution of PC
will vary with the
resolution of TVBox,
if a built-in video
card is used.
It is suggested to use an independent video card with this product.
6.1 TV part