Troubleshooting

Important: Review all the instructions in this manual.

Problem

Check/Action

Cannot turn TV on

Press the Main power button (see p.5).

 

Insert the power plug in an AC outlet.

No picture nor sound

Press the TV/VIDEO button to select the correct mode (see p.9).

 

Check the aerial connections.

 

 

Remote control inoperable

Replace the batteries (see p.5).

 

Insert the batteries correctly.

 

 

Buttons on front of TV do

Is the Child Lock function ON ? (see p.14).

not work

 

The TV turns on suddenly

The TV will automatically turn on when the On Timer is

 

operated (see p.13).

 

 

The TV turns off suddenly

The TV will automatically turn off in the following cases.

 

• When the Off Timer or Auto Shutoff is operated (see p.11

 

and p.14).

 

• When no operations are made within approximately two hours

 

after the TV was turned on with the On Timer (see p.13).

Abnormal sound

Select the appropriate sound system (see p.10).

 

 

Abnormal colour

Adjust the colour and brightness (see p.15).

 

Select the appropriate colour system (see p.10).

 

Set the Picture mode to STANDARD (see p.10).

Lines or streaks in picture

Move the components apart until the interference disappears.

(interference)

Reposition the aerial.

Spotted picture (crosstalk)

Move the aerial away from the source of interference.

 

Replace the aerial cable with a coaxial cable, which is less

 

prone to interference.

 

 

Double picture (ghost)

Reposition the aerial.

 

Replace with an aerial with good directionality.

Snowy picture

Check the aerial connection and aim it correctly.

(image noise)

Replace or repair the aerial.

The TV channel changes

The channel will automatically be changed when the On Timer

suddenly

operates (see p.13).

 

 

The screen turns blue

Is the Blue Back set to ON ? (see p.15).

The following are normal occurrences and are not the result of TV malfunctions:

When a still bright image (of a white dress, for example) appears on the screen, the image may be coloured. This problem occurs in all CRTs, and when the bright image disappears, the colouration also disappears.

This TV is equipped with a microcomputer that may operate abnormally due to interference from external devices. If this happens, press the Main power button to turn the main power off and disconnect the power plug from the AC outlet. Then, reconnect the power plug to the AC outlet and press the Main power button again.

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JVC AV-14A10,AV-14F10, AV-20N10, AV-21A10, AV-21D10, AV-21F10 specifications Troubleshooting, Problem Check/Action