Manual Toshiba 55TL515U (page 77 of 102) (English)

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Chapter 9: Troubleshooting

General troubleshooting

Before calling a service technician, please check this

chapter for a possible cause of the problem and some

solutions you can try.

Black box onscreen

• The closed caption feature is set to one of the Text modes

(T1, T2, T3, or T4). Set the closed caption feature to Off

(- p. 42).

TV stops responding to controls

• If the TV stops responding to the remote control or TV control

panel and you cannot turn off the TV, unplug the power cord

to reset the TV. After 1 minute, plug it in and turn the TV on.

Other problems

• If your TV’s problem is not addressed in this Troubleshooting

section or the recommended solution has not worked, do one

of the following:

1) Turn off your TV. After 30 seconds, turn it on.

2) Turn off the TV and unplug the power cord. After 1 minute,

plug the power cord in and turn

on the TV.

3) Perform the Reset Factory Defaults procedure (- p. 51).

TV will not turn on

• Ensure the power cord is plugged in. Press .

• Replace the remote control’s batteries.

• Try the control panel buttons.

3D problems

• Watch the TV at proper viewing angle and distance (- p. 7).

• If 3D images are not correct, the 3D format may be different.

Change the 3D format from Quick menu (- p. 36).

• The left and right sides of 3D images may be reversed. Switch

the left and right (- p. 38).

• If 2D images are not correct, the 2D format may be different.

Change the 2D format from Quick menu (- p. 36).

Picture problems

General picture problems

• Check the antenna/cable connections (- p. 16).

• Press on the remote control or on the TV and select a

valid video input source (- p. 41). If no device is connected

to an input on the TV, nopicture appears when you select that

particular input source. Check device connections (- p. 17–

23).

• Antenna r

eception may be poor. Use a highly directional

outdoor antenna (if applicable).

• The station may be having broadcast difficulties. Try another

channel.

• Adjust the picture quality (- p. 55).

• If Edge Enhancer does not achieve a sharper picture, change

the Sharpness value to increase the sharpness level

(

- p. 55).

Video Input Selection problems

• If the Input Selection window does not appear when you

press on the remote control or the TV control panel,

press a second time. The TV displays the next video

input source and the Input Selection screen.

Cannot view external signals or channel 3 or 4

• If you cannot view signals from external devices connected to

VIDEO 1, VIDEO 2, ColorStream HD1, ColorStream HD2,

HDMI 1, HDMI 2, HDMI 3, HDMI 4, PC, or from channel 3 or

4, ensure the Input Lock is set to Off (- p. 45).

Poor color or no color

• The station may be having broadcast difficulties. Try another

channel.

• Check the Input mode when you use Shared Inputs

(- p. 32).

• Adjust the Tint and/or Color (- p. 55).

Poor composite picture

• If the TV is connected to an external A/V device (e.g. DVD

player, video game system, set-top box, etc.) try using a

ColorStream or HDMI video connection instead.

Picture and sound are out of sync

• As with all products that contain a digital display, this may

occur in rare instances, when viewing certain content (e.g.

television broadcasts, video games, DVDs). The cause may

include, without limitation, video processing within the TV,

video processing in an attached gaming system, and video

proce

ssing or different compression rates used by

broadcasters in their programming. Try these procedures:

– If the TV is connected to an A/V receiver that has a

programmable audio delay feature, use this feature to

help synchronize the sound to the picture.

– If the problem occurs only on ce

rtain TV channels, inform

your local broadcast, cable, or satellite provider.

• The settings of Side Shared Audio and Rear Shared

Audio may be not correct. Ensure the settings (- p. 32).

Sound problems

• Check the antenna/cable connections (- p. 16–22).

• The station may be having broadcast difficulties. Try another

channel.

• The sound may be muted. Press VOLUME.

• If you hear no sound, try setting the MTS feature to

Stereo mode (- p. 59).

• If you are not receiving a second audio program f

rom a

known SAP source, make sure the MTS feature is set to SAP

mode (- p. 59).

• If you hear audio that seems incorrect for the program you

are watching (such as music or a foreign language), the SAP

mode may be on. Set the MTS feature to Stereo mode

(- p. 59).

• If you connect a PC using either the PC IN termi

nal or an

HDMI terminal, ensure that the Rear Shared Audio setting is

properly set (- p. 49).

POWER

(continued)

we replaced the main circuit board on the toshiba 55tl515u whats up with the to upper wires one is white and one in black on left and right top sides..the tv still inop Submitted on 7-10-2022 at 21:05
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Toshiba 55TL515U Manual

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