Troubleshooting

If there is a problem with your TV please refer to the table below to determine the symptoms, then carry out the suggested check. If this does not solve the problem, please contact your local Panasonic dealer, quoting the model number and serial number (both found on the rear of the TV).

Symptoms

Picture

Sound

Snowy Picture

Noisy Sound

Multiple Image

Normal Sound

Interference

Noisy Sound

Normal Picture

No Sound

No Picture

No Sound

No Colour

Normal Sound

Poor or Distorted Picture

Weak or No Sound

Normal Picture

Weak Wrong

 

or No Sound

Cannot operate with the remote control.

The main unit is hot.

There may be red spots, blue spots, green spots and black spots on the screen.

 

Poor Video.

H

(Snow noise, no picture, picture runs, etc.)

D

 

M

 

I

Poor Audio.

 

 

 

Checks

Antenna location, direction or connection.

Aerial location, direction or connection.

Electrical appliances.

Cars / Motorcycles.

Fluorescent lights.

Volume level.

Sound mute switched on.

TV set to AV mode.

Not plugged into AC outlet. Not switched on.

Picture / Sound controls set at minimum levels. Check if in Standby mode.

Make sure that a PC is not connected to HDMI input. The TV may not display video in HDMI input from devices with HDMI or DVI output due to bad communication between the TV and the devices. Should this happen, unplug the HDMI/DVI device and plug it back on.

Color controls set at minimum levels.

Weak signal.

Retune Channel (s).

Sound reception may have deteriorated.

Switch STEREO mode (AUDIO ADJUST menu) to Off until reception improves.

Change the audio of the HDMI device to Linear PCM.

Check the audio setting for HDMI. If there is functional problem with Digital Audio, use Analog audio.

The battery is exhausted. The battery’s polarity is wrong.

The remote control sensor is exposed to strong light of a fluorescent lamp, etc.

The main unit radiates heat and some of the parts may become hot. This is not a problem for performance or quality.

Set up at a location with good ventilation.

Do not cover the ventilation holes of the TV with a tablecloth etc., and do not place on top of other equipment.

This is a characteristic of liquid crystal panels and is not a problem. The liquid crystal panel is built with very high precision technology giving you fine picture details. Occasionally, a few non-active pixels may appear on the screen as a fixed point of red, blue, green, or black. Please note this does not affect the performance of your LCD.

HDMI cable is not connected securely.

Turn the power supply of the TV set and connected equipment OFF then turn on. Check compatibility of input signal from the connected equipment. The connected equipment must be EIA/CEA-861/861B compliant.

Change the audio setting of the connected equipment to L.PCM. Check the setting of HDMI INPUT.

If the problem is due to the digital audio connection, change to the analog audio connection.

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Panasonic TC 22LH30 operating instructions Troubleshooting, Symptoms Picture Sound, Checks

TC 22LH30 specifications

The Panasonic TC 22LH30 is a notable addition to Panasonic's distinguished line of flat-screen television sets. This model is crafted to cater to both avid viewers and casual watchers, offering features that enhance the overall viewing experience. One of its primary advantages is the 22-inch widescreen display, which strikes a balance between size and functionality, making it an ideal choice for smaller living spaces, dorm rooms, or as a secondary television in the home.

At the heart of the TC 22LH30 is its HD resolution, ensuring that images are presented with clarity and vibrancy. The television employs advanced technology that enhances color accuracy and detail, offering viewers a more immersive experience. The panel is designed to provide wide viewing angles, allowing multiple viewers to enjoy the content without significant degradation in picture quality.

The TC 22LH30 incorporates Panasonic's VIERA technology, which optimizes image processing for better contrast and color depth. This feature helps to deliver lifelike visuals and elevates the overall quality of both standard and high-definition content. Additionally, the television integrates the unique 600Hz sub-field drive technology, which improves motion handling, making it an excellent choice for sports and action-packed movies. Viewers can expect crystal-clear visuals even during fast-paced sequences.

Furthermore, the intelligent TV design offers multiple connectivity options, including HDMI ports, composite inputs, and a USB port for multimedia playback. This flexibility allows users to connect various devices such as gaming consoles, Blu-ray players, and streaming devices easily. The inclusion of built-in speakers ensures satisfactory audio output, although for audiophiles, external sound systems can be connected for enhanced performance.

Energy efficiency is another hallmark of the TC 22LH30, as it meets stringent environmental standards while delivering outstanding performance. The sleek design is aesthetically pleasing, allowing it to blend seamlessly into any room decor. As a compact television, it provides versatility while maintaining excellent functionality.

Overall, the Panasonic TC 22LH30 is a comprehensive television solution that combines advanced display technologies with practical features, making it an excellent choice for consumers looking to enhance their entertainment experience. With its focus on visual clarity, motion handling, and connectivity options, it truly stands out in its category.