JVC AV-25L81B, AV-29L81B, AV-21L81B specifications Troubleshooting

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Troubleshooting

If there is no picture or the TV does not operate normally, make sure the problem isn’t due to the reasons indicated below.

If the problem persists even after taking the measures indicated, please contact a service technician.

Cannot turn the TV on

•Press the Main power button on the TV.

•Connect the power cord to the AC outlet.

The screen turns blue

• Is the BLUE BLACK function on? (see page 13.)

Remote control inoperable

• Replace the batteries. (see page 3.)

Buttons on front of the TV do not work

•Switch the CHILD LOCK function off. (see page 13.)

TV does not respond immediately

•Press the main power button on the TV to turn off the main power. Press the main power button again to turn on the TV. If the TV returns to a normal state, operation is normal.

The TV turns off suddenly

•Is the OFF TIMER function set to operate? (see page 9.)

•Is the AUTO SHUTOFF function on? (see page 13.)

Poor sound

•Press the SOUND SYSTEM button to select an- other sound system. (see page 8.)

•Adjust the sound settings. (see page 14.)

Poor picture

•Press the COLOUR SYSTEM button to select an- other colour system. (see page 8.)

•Adjust the picture settings. (see page 14.)

•Is a component signal output device, such as a DVD player, connected correctly? (see page 5.)

•Is the VIDEO-2 SET function setting correct? (see page 14.)

•If noise (snow) totally blocks out the picture, check the following.

-Have the TV and aerial been connected properly?

-Has the aerial cable been damaged?

-Is the aerial pointing in the right direction?

-Is the aerial itself faulty?

•If the TV or aerial suffer interference from other equipment, stripes or noise may appear in the picture. Move any equipment which can cause interference away from the TV.

•If the TV or aerial suffer interference from signals reflecting from mountains or buildings, double-pictures (ghosting) will occur. Change the aerial’s direction or replace it with an aerial with better directionality.

•When a white and bright still image (such as a white dress) is displayed on the screen, the white part may look as if it is coloured. When the image disappears from the screen, the unnatural colours will also disappear.

The picture is tilted

< AV-29L81B only >

•A picture may be tilted due to the influence of the earth’s magnetism. In this case, use the PIC- TURE TILT function to adjust the tilt. (see page 12.)

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Contents Instructions Safety precautions Confirm which remote control you have Insert the batteries into the remote controlPreparation Connecting the aerial and VCR Connecting the aerialConnecting the aerial and VCR Connect the power cord to the AC outlet Connecting other devicesFront Camcorder or TV game Headphones Rear DVD player composite signalsPress the Main power button on the TV Initial settingPress the Power button to turn your TV on Basic operationSelect a channel Picture Mode button Remote control buttons and functionsECO Sensor button Colour System buttonSuper Bass button OFF Timer buttonMuting button Display buttonChannel Scan button Return + buttonTo view the Return Channel Press this buttonPress the Menu Mbuttons to change function settings Using the TV’s menusBasic operation Press the Menu TbuttonsPicture Tilt InputVNR CompressChild Lock Auto ShutoffBlue Back Press Menu Tto display Menu 2 menu, then select Child LockPicture Adjustments Sound AdjustmentsVIDEO-2 SET Auto CH Preset AI VolumePress Menu Mto start the Auto CH Preset function To stop the Auto CH PresetPress Menu Tto display the Menu 3 menu, then select Manual CH PresetPress Menu M Sub-menu is displayedLanguage SkipPress Menu Tto select Skip Press Menu Mto select languageAttaching the Twin Port Bass Blaster Unit Place the Twin Port Bass BlasterUnit on top of the TV making sure Front TV buttons and partsBasic operation Using the buttons on the TVOperating menus For details, see the description for each functionTroubleshooting Broadcasting systems Specifications

AV-25L81B, AV-21L81, AV-29L81B, AV-21L81B specifications

The JVC AV-21L81B, AV-29L81B, AV-21L81, and AV-25L81B are a series of well-regarded CRT televisions that deliver reliable performance and vivid picture quality, embodying the characteristics and technologies of their time. With varying screen sizes and features, these models cater to diverse consumer needs while maintaining JVC's reputation for build quality and engineering excellence.

Starting with the AV-21L81B, this model features a 21-inch screen, making it suitable for smaller living spaces or bedrooms. It incorporates JVC’s Color System, which enhances the overall color reproduction, ensuring that visuals remain vibrant and lifelike. The AV-29L81B, on the other hand, boasts a larger 29-inch display, perfect for a more immersive viewing experience in family rooms or entertainment areas. Both models utilize enhanced resolution features to provide clearer images, making them great choices for viewing various media formats.

The AV-21L81 and AV-25L81B models maintain similar performance attributes while offering different screen sizes of 21 inches and 25 inches, respectively. The AV-25L81B falls in between the previous two models, delivering a balanced option for consumers seeking a larger viewing experience without compromising space.

Each model is equipped with JVC's proprietary technologies, such as the Super Hi-Fi Audio System, which delivers superior sound performance, complementing the visual quality. The built-in speakers provide clear and dynamic audio, enhancing the viewer's overall experience. Additionally, these televisions often feature multiple connectivity options, such as AV inputs and RF connections, allowing users to connect various devices, including VCRs, gaming consoles, and DVD players.

In terms of design, the JVC models boast sleek lines and a compact footprint, allowing them to blend seamlessly into different room aesthetics. Their durable construction ensures longevity, making them reliable choices for entertainment setups.

In conclusion, the JVC AV-21L81B, AV-29L81B, AV-21L81, and AV-25L81B televisions offer a range of features suited for various viewing environments. Their combination of size options, superior audio technology, and robust designs make them notable models in the CRT television market, offering quality performance for media consumption. They remain a testament to JVC's commitment to creating exceptional television experiences.
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