JVC av-21b17b 사용자 설명서

Troubleshooting

Speciﬁcations

If a problem occurs when you are using the TV, check the below trouble-

shooting guide before calling for repair.

Problem

Cause / Solution

No or poor picture

• Turn OFF BLUE BACK if it is ON. (\ page 5)

• Adjust the COLOUR or BRIGHT setting. Refer to

“PICTURE SETTING”. (\ page 5)

• Choose the appropriate colour system. (\ page 5)

Snowy picture

• Check the aerial and TV connections. (\ page 3)

Stripes or coloured

patches appeared

• Interference caused by electrical appliances or

speakers. Move them away from the TV.

Double-picture

(ghosting)

• Interference caused by signal reflecting from mountains

or buildings. Adjust the aerialʼs direction or use another

antenna.

No or poor sound

• Choose the appropriate sound system. (\ page 5)

White and bright still

image looks as if it is

coloured

• Inevitable phenomenon due to the nature of the picture

tube. This is not a malfunction.

Image from video input

is distorted

• The image was not properly recorded. This is not a

malfunction.

Cannot operate the

remote control

• Replace the batteries. (\ page 2)

• Operate it at less than 7 meters from the TV.

Cannot operate the

• Exit and enter the MENU again.

Cannot operate the

front panel buttons

• Turn OFF CHILD LOCK if it is ON.

Image takes a while to

be displayed

• Image requires time to stabilize before display.

This is not a malfunction.

TV emits crackling

sound

• Caused by a sudden change in temperature and it is not

a malfunction. Call a service technician for inspection.

Static shock when

touch the TV screen

• Caused by static electricity of the picture tube and it will

not harm the human body. This is not a malfunction.

The TV turns off

suddenly

• This is not a malfunction. If you had set the BLUE

BACK function to ON, TV will be turned off automatically

when no signals are received from an antenna for about

15 minutes or longer.

0508SCT-NF-MT

TV RF systems

AV-14A17 / AV-14U17 / AV-21B17 / AV-21B17B / AV-21Y17 / AV-21Y18:

B, G, I, D, K

Others models : B, G, I, D, K, M

Colour systems

AV-14A17 / AV-14U17 / AV-21B17 / AV-21B17B / AV-21Y17 / AV-21Y18 :

PAL, SECAM, NTSC 3.58 MHz / NTSC 4.43 MHz

(in VIDEO mode only)

Others models : PAL, SECAM, NTSC 3.58 MHz /

NTSC 4.43 MHz

Receiving

channels

VHF low channel (VL), VHF high channel (VH), UHF channel (U)

Receives cable channels in mid band, super band and hyper band.

Power requirements
For Malaysia /

Australia

AC 160 to 240 V, 50 Hz / 60 Hz

For others

AC 110 to 240 V, 50 Hz / 60 Hz

External input / output
INPUT

VIDEO input, AUDIO input

OUTPUT

VIDEO output, AUDIO output

Headphone jack

Stereo mini jack (3.5 mm diameter)

Design and speciﬁcations are subject to change without notice.