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Question posted by cattacy on July 9th, 2014

Tv Red Standby Button On Front Continually Flashes. Have Sound But No Visual. Ho

Red standby button on fron continues to flash. Have sound but no visual. How can I fix this. Have check remote settings and batteries.

Current Answers

Answer #1: Posted by BusterDoogen on July 9th, 2014 1:33 PM
This answer was accepted by the poster of the original question.
BusterDoogen

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The flashing light would indicate that there is a short inside the set stopping it from fully powering up.

It is most likely that there is a failure on the power supply board inside the TV. Commonly the capacitors on this board will receive a surge and then fail. They can sometimes be visually verified by removing the rear of the set and inspecting them for bulges or leaking fluid at the top or the base of the caps. This is the most common mode of failure for these sets.

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Related Dynex DX-L40-10A Manual Pages

User Manual (English) - Page 2

... DX-L40-10A 40" LCD TV Contents CHILD SAFETY 1 Important safety instructions 2 Warnings 2 Cautions 3 Installing and removing the stand 4 Installing the stand 4 Removing the stand 4 Installing a wall-mount bracket 4 TV components 5 Front and side controls 5 Back connections 5 Side connections 6 Remote control 6 Using the remote control 7 Installing remote control batteries 7 Aiming...
User Manual (English) - Page 4

.... • Follow all enclosed instructions for safe wall mount installation. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 1 Tuesday, July 28, 2009 10:07 AM 1 CHILD SAFETY It makes a difference how and where you use of this manual, or otherwise listed by the TV and wall mount manufacturers. • If you have any doubts about...
User Manual (English) - Page 5

...book Page 2 Tuesday, July 28, 2009 10:07 AM 2 DX-L40-10A Important safety instructions Important safety instructions CAUTION RISK OF ELECTRIC SHOCK DO... that you do not remove any way, such as contact with your TV. This label is a Class I television to a grounding-type, three-prong outlet. 17 Remote control batteries should not be exposed to excessive heat such as sunshine, fire, or...
User Manual (English) - Page 6

... your TV picture and sound, operating problems, or even damage, keep your TV only from the TV. Specifically... routine safety checks to determine ...DX-L40-10A 3 characteristics as a fixed blue, green, or red point. Unauthorized substitutions may result in fire, electric shock, personal injury, or other controls may appear on the TV if the TV is exposed to rain or water. • If your TV...
User Manual (English) - Page 7

... bracket adapters using the four screws provided with the four M6XL 16 mm screws provided. 4 Set your TV upright on a cabinet or other than that you intend to a wall-mount bracket: Warning... your TV face down , on a table or bench. To reduce the risk of the stand, unplug the AC power cord. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 4 Tuesday, July 28, 2009 10:07 AM 4 DX-L40-10A Installing...
User Manual (English) - Page 8

...28, 2009 10:07 AM TV components DX-L40-10A 5 TV components Front and side controls ...button Press to make an audio connection. indicator Lights red when your TV in standby mode. 7 Remote sensor Receives signals from the remote control. Press your TV... often color-coded to put 6 Power/Standby Lights blue when your computer's sound card output to jacks connectors. For more...
User Manual (English) - Page 9

... an S-Video cable from a VCR or DVD player to this jack. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 6 Tuesday, July 28, 2009 10:07 AM 6 DX-L40-10A TV components Side connections HDMI1 VIDEOḤḤḤ SERVICE L ḤḤR S-VIDEO HEADPHONEḤḤḤḤ Remote control 11 1 POWER INPUT 12 1 2 MUTE PICTURE AUDIO ZOOM 13 1 2 3 GUIDE...
User Manual (English) - Page 10

...Page 7 Tuesday, July 28, 2009 10:07 AM Using the remote control DX-L40-10A 7 # Button 12 INPUT 13 ZOOM 14 AUDIO 15 GUIDE 16 INFO 17 ... different types of batteries in a fire. Press to close the on -screen menu or to the keyed in the battery compartment. Press to set the sleep timer to select the video input source. symbols in channel entry. Battery chemicals can select TV, AV1, AV2,...
User Manual (English) - Page 11

.... Make sure that came with your TV. Important: Your TV only works on the label. If you choose a DTS audio format, you will use a different universal remote control that matches your equipment. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 8 Tuesday, July 28, 2009 10:07 AM 8 DX-L40-10A Making connections Programming a universal remote control to work with your universal...
User Manual (English) - Page 12

...Use a coaxial cable to eliminate interference and noise from radio waves. Connect yellow to yellow, red to red, and white to connectors. HDMI3 HDMI2 VGA AUDIO IN VGA AUDIO OUT AV2 ḤḤ&#...back of your TV. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 9 Tuesday, July 28, 2009 10:07 AM Making connections DX-L40-10A 9 Connecting an antenna, cable TV, or satellite TV box Important: ...
User Manual (English) - Page 13

... Connect the other end of your TV. Device with HDMI output Side of TV Side of your TV. Connect yellow to yellow, red to red, and white to select HDMI ... DX-L40-10A_09-0537_MAN_ENG_V1.book Page 10 Tuesday, July 28, 2009 10:07 AM 10 DX-L40-10A Making connections To play from the VCR: 1 Turn on your TV, ... set it to connectors. The INPUT SOURCE menu opens. 2 Press or to white.
User Manual (English) - Page 14

... set it to the correct output mode. Y = Green cable Pb = Blue cable Pr = Red cable Connecting an S-video device To connect an S-video device: 1 Make sure that your TV,...;ḤḤḤLḤL RR COMP2 Back of your TV. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 11 Tuesday, July 28, 2009 10:07 AM Making connections DX-L40-10A 11 Connecting a component video device A component (Y, Pb...
User Manual (English) - Page 15

...DX-L40-10A Making connections Connecting a computer Tip: Some computers have a stereo mini plug. Note: The VGA cable should have an HDMI connector, which can damage your TV. OR - Note: The audio cable should be used for a better picture. When using headphones, use the lowest volume setting that your TV...still lets you hear the sound. The INPUT SOURCE menu opens. 2 ...
User Manual (English) - Page 16

...TV for the first time DX-L40-10A 13 To play audio from an outside antenna to select the language you have inserted the batteries in standby mode, it changes. Note: Channel scan is in the remote...you do not need to change from a digital sound system: 1 Turn on your TV. 2 Turn on the external audio device and set it automatically goes into standby mode. The INPUT SOURCE menu opens. 2 ...
User Manual (English) - Page 17

... configure the various operational settings of picture contrast. Channel Block Lets you select the signal source for SPDIF audio signals. Tuner Mode Lets you select certain channels to Zoom. Function availability depends on the screen. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 14 Tuesday, July 28, 2009 10:07 AM 14 DX-L40-10A Understanding the basics...
User Manual (English) - Page 18

...number, station name, channel label (if preset), broadcast program name, TV rating, signal type, audio information, resolution, CC mode, current ... turn off all sound. The Video menu opens. to go to the last channel viewed. Note: Button presses must be ...screen menu. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 15 Tuesday, July 28, 2009 10:07 AM Adjusting the picture DX-L40-10A 15 Navigating...
User Manual (English) - Page 19

....book Page 16 Tuesday, July 28, 2009 10:07 AM 16 DX-L40-10A Adjusting the sound • Contrast-Lets you can choose the optical digital audio out type. Adjusting the sound To adjust the sound: 1 Press MENU. Options include Standard, Speech, User, and Music. The TV menu opens. 3 Press or to highlight an option, then press...
User Manual (English) - Page 20

... 13 and older. 16 ans+ Suitable for children 8 and older. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 17 Tuesday, July 28, 2009 10:07 AM Setting parental controls DX-L40-10A 17 Setting parental controls Parental controls let you prevent your children from watching inappropriate material on your TV. Movie Ratings, Canada (English) Ratings, and Canada (French) Ratings follow...
User Manual (English) - Page 21

... of this setting with the TV station. • Make sure that the audio mode is activated. • Time Setup-Lets you set to improve signal quality. • Adjust the color saturation. Enter "0532" to choose the screen aspect ratio. DX-L40-10A_09-0537_MAN_ENG_V1.book Page 18 Tuesday, July 28, 2009 10:07 AM 18 DX-L40-10A Troubleshooting...
User Manual (English) - Page 22

...TV with Part 15 of the following two conditions: (1) this device may not cause harmful interference, and (2) this equipment does cause harmful interference to radio or television...DX-L40-10A_09-0537_MAN_ENG_V1.book Page 19 Tuesday, July 28, 2009 10:07 AM Maintenance DX-L40-10A 19 Problem Solution You cannot access some items The TV cabinet creaks The buttons do not work • If a setting...

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