10. Troubleshooting

 

 

ENGLISH

 

 

 

 

Symptoms

 

Possible cause

What should you do

 

 

 

No power or indicator light.

 

The TV is not connected to the power.

1. Press . POWER at the right side of the TV, or press . on the remote

 

 

 

 

control.

 

 

 

 

2. Ensure the power cord is connected tightly to the TV power connector and

 

 

 

 

to the power socket outlet.

 

 

 

 

3. Remove the power cord from the power socket outlet, wait 60 seconds and

 

 

 

 

reconnect the power cord.

 

 

 

 

4. Connect the TV to a different power socket outlet.

 

Error message on the screen with

 

HDCP authentication fail.

1. Ensure that your HDMI cable is certified.

 

HDMI connection.

 

 

2. Press SOURCE on the remote control to switch to another source and

 

 

 

 

then switch back to the HDMI source.

 

 

 

 

3. Reset the accessory device and the TV.

 

 

 

 

• Turn on the TV

 

 

 

 

• Select the HDMI channel

 

 

 

 

• Turn on the accessory device

 

 

 

 

4.While the TV and the accessory device are powered on, unplug either end of

 

 

 

 

the HDMI cable and then reinsert the cable.

 

No sound is detected from the PC.

 

Incorrect HDMI port is connected.

1. Connect a DVI-HDM cable to the HDMI 3 port on the TV.

 

 

 

Audio cable is not connected.

2. Connect an audio cable to the DVI AUDIO IN port on the TV.

 

 

 

 

3. Press SOURCE on the remote control, and select the HDMI 3 source.

 

TV does not respond to the remote

 

Batteries are installed incorrectly, or low

1. Ensure the indicator light on the TV blinks when the remote control buttons

 

control.

 

battery power.

are pressed.

 

 

 

 

2. Ensure that you are using the remote control supplied with the TV.

 

 

 

 

3. Ensure that the batteries of the remote control are inserted according to

 

 

 

 

the illustration on the remote control and that the batteries do not need to be

 

 

 

 

replaced.

 

 

 

 

4. Remove the power cord from the power socket outlet, wait 60 seconds and

 

 

 

 

reconnect the power cord.

 

The picture is distorted. It is

 

Broadcast video format.

1. Press the FORMAT button on the remote control to select the best picture

 

stretched out, has short, fat, black

 

 

format.

 

bars on the side or top.

 

 

2. For some accessory devices, the picture format has to be set in the

 

 

 

 

accessory device.

 

The picture is mostly red and green,

 

Insecure/incorrect connection.

1. Ensure all the connections are made according to the color code.

 

or the picture is missing red when

 

 

2. Push the component cables all the way into the YPbPr sockets on the TV.

 

the TV is connected to an accessory

 

 

 

 

 

 

 

device via component cables.

 

 

 

 

No sound on the TV loudspeaker.

 

Volume level is set to zero.

1. Increase the volume.

 

 

 

Sound is muted.

2. Press MUTE on the remote control.

 

 

 

Headphones are connected.

3. Ensure the headphones are not plugged into the TV.

 

 

 

Audio cable is not connected.

4. For AV connection, ensure that the Audio L/R cable is connected as

 

 

 

 

described in Connect your devices on page 28.

 

 

 

 

If you are using a component cable, ensure that you have not crossed the red

 

 

 

 

audio cable with the red video cable.

 

 

 

Accessory device audio output setting

5. For HDMI connections, some accessory devices have an HDMI audio output

 

 

 

is incorrect.

setting that must be turned on for HDMI to HDMI connections.

 

Bad picture quality with a coaxial

 

Standard definition channels are not as

1. Connect the devices via component or HDMI cables.

 

connection.

 

clear as high definition channels.

 

 

No picture or sound.

 

Incorrect channel

1. Ensure you have selected the correct channel.

 

 

 

Incomplete channel installation.

1. If the TV receives channels via an AV connection, set the TV to the correct

 

 

 

 

source input.

 

 

 

 

2. If the TV is connected directly to the wall via a coaxial connection, perform

 

 

 

 

the auto-installation again.

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Magnavox 47MF438B, 52MF438B, 42MF438B user manual Troubleshooting
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47MF438B, 52MF438B, 42MF438B specifications

The Magnavox 42MF438B, 52MF438B, and 47MF438B are part of a series of LCD televisions known for their affordability and solid performance in home entertainment. These models blend various modern technologies to ensure a satisfying viewing experience for users looking for quality within a reasonable price range.

One of the standout features of these Magnavox TVs is their display resolution. With Full HD capabilities, each model delivers vibrant colors and sharp images that bring movies, sports, and video games to life. The screens range in size—42 inches, 47 inches, and 52 inches—allowing consumers to choose a model that best fits their room dimensions and viewing preferences.

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The technology behind the display includes an LCD panel with a LED backlight. This combination helps achieve deeper blacks and improved contrast ratios compared to traditional LCD TVs. Enhanced picture modes, along with adjustable settings for brightness and color, allow users to customize their viewing experience based on ambient lighting and personal preferences.

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Overall, the Magnavox 42MF438B, 52MF438B, and 47MF438B offer excellent value with their combination of size, picture quality, and user-friendly features, making them great options for anyone looking to enhance their home entertainment setup without breaking the bank.
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