Service manual

6. Trouble Shooting Flow Chart

No power

zMake sure the LCD is properly connected.

zMake sure the AC power cord is properly connected.

zMake sure the AC power is ON, DC power button is ON (Green LED).

zPlug another electrical device (like a radio) to the power outlet to verify that the outlet is

supplying the proper voltage.(see figure 1)

Poor or no picture

zThe TV station may be experiencing problems. Try another channel.

zThe Cable TV signal may be scrambled or encoded. Please contact your local cable

operator.

zMake sure that connection to other components are correct.

zMake sure that setup has been done correctly after connections.

zMake sure the correct input is selected and the input signal is compatible. (see figure 2)

Strange color, light color, or color misalignment

zEnsure that the video cable is securely connected.

zThe picture may appear dim in a brightly lit room.

zAdjust brightness and contrast.

zCheck the input signal setting.

No sound

zCheck your audio connections

zThe MUTE button may have been pressed, try pressing this button again.

zCheck your audio settings, your TV audio may be set to minimum.

zPress the Volume + (Up) button on the remote control. (see figure 3)

Remote control unit does not operate

zMake sure batteries are inserted correctly.

zBatteries could be weak or dead. Replace batteries.

zIs a ﬂuorescent light illuminated near the remote control sensor?

zThe path of the remote control beam may be blocked. Make sure the path is clear and that

the remote control is aimed at the remote control sensor on the TV.

zPress only one button at a time and it is the correct one for the operation you want to

perform.

Unit cannot be operated

zExternal influences such as lightning or static electricity may cause improper operation. In

this case, operate the unit after first turning on the power of the LCD and the AVC System,

or unplug the AC cord for 1 to 2 minutes, then replug again.

Power is cut off suddenly

zIs the sleep timer set?

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