JVC av-21b17, av-14u17, av-21bmg7, av-14umg7, av-21bmg7b, av-14umg7b 사용자 설명서

Troubleshooting

Specifi cations

If a problem occurs when you are using the TV, check the below
troubleshooting 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 (ghost-
ing)

• Interference caused by signal reflecting from mountains

or buildings. Adjust the aerial’s 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
MENU

• 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.

1206SCT-NF-MT

TV RF systems

AV-14U17 / AV-21B17 : B, G, I, D, K
Others models : B, G, I, D, K, M

Colour systems

AV-14U17 / AV-21B17 : 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

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 specifi cations are subject to change without notice.

AV-21B17&14U17.indd 8

12/26/06 11:40:52 AM