JVC AV-21B17 Troubleshooting Specifications, Problem, Cause / Solution, Power requirements

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Troubleshooting

Specifications

If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair.

TV RF systems

Colour systems

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

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

AV-14U17 / AV-21B17 : PAL, SECAM, NTSC 3.58 MHz /

Problem

No or poor picture

Cause / Solution

• 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)

Receiving channels

NTSC 4.43 MHz (in VIDEO mode only)

Others models : PAL, SECAM, NTSC 3.58 MHz / NTSC 4.43 MHz

VHF low channel (VL), VHF high channel (VH), UHF channel (U) Receives cable channels in mid band, super band and hyper band.

Snowy picture

Stripes or coloured patches appeared

Double-picture (ghost- ing)

No or poor sound

White and bright still image looks as if it is coloured

Image from video input is distorted

Cannot operate the remote control

Cannot operate the

MENU

Cannot operate the front panel buttons

Image takes a while to be displayed

TV emits crackling sound

Static shock when touch the TV screen

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

• Interference caused by electrical appliances or

speakers. Move them away from the TV.

• Interference caused by signal reflecting from mountains

or buildings. Adjust the aerial’s direction or use another

antenna.

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

• Inevitable phenomenon due to the nature of the picture

tube. This is not a malfunction.

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

malfunction.

• Replace the batteries. (\ page 2)

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

• Exit and enter the MENU again.

• Turn OFF CHILD LOCK if it is ON.

• Image requires time to stabilize before display.

This is not a malfunction.

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

a malfunction. Call a service technician for inspection.

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

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

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 specifications are subject to change without notice.

© 2007 Victor Company of Japan, Limited

1206SCT-NF-MT

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Contents Colour Television Instructions Surface of the TV screen is easily damaged Initial settings Connecting to the aerial cable and VCRConnecting to the TV front terminals ConnectionsRemote control buttons and functions Return Plus CanceledTV buttons and functions Return Plus ProgrammedUsing the TV’s Menu Operating the menusPresetting TV channels Auto ProgramInsert / Delete Manual ProgramUsing the timer On TimerOFF Timer Playing gameTroubleshooting Specifications ProblemCause / Solution Power requirements

AV-21B17, AV-21B17, AV-14U17, AV-21BMG7, AV-14UMG7, AV-21BMG7B, AV-14UMG7B, AV-21BMG7S specifications

The JVC AV series of televisions, including models AV-21B17, AV-14U17, AV-21BMG7, AV-14UMG7, AV-21BMG7B, AV-14UMG7B, and AV-21BMG7S, showcases JVC's commitment to delivering quality home entertainment experiences. Each model boasts unique features and technological advancements, making them an ideal choice for various viewing preferences and environments.

The AV-21B17 is a 21-inch television that highlights JVC's dedication to providing stunning picture quality. It employs advanced picture enhancement technologies, allowing users to enjoy vibrant and accurate colors while maintaining sharpness in detail. This model is designed with a user-friendly interface, making it easy for viewers to navigate through channels and settings.

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The AV-21BMG7 and its variations, including the AV-21BMG7B and AV-21BMG7S, are designed with modern technology in mind. These models provide impressive sound quality and come with multiple audio enhancements to deliver an immersive viewing experience. The inclusion of sound processing features ensures that dialogue is clear and background music complements the action on screen seamlessly.

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In summary, JVC's AV series, including the AV-21B17, AV-14U17, AV-21BMG7, AV-14UMG7, AV-21BMG7B, AV-14UMG7B, and AV-21BMG7S, exemplifies a comprehensive approach to home entertainment, combining advanced technology with user-friendly features and elegant designs. These televisions cater to a wide range of needs, ensuring that there is a suitable option for every viewer.
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