Dynex DX-42E250A12 Support Question
Dynex DX-42E250A12 Support Question
Find answers below for this question about Dynex DX-42E250A12.Need a Dynex DX-42E250A12 manual? We have 9 online manuals for this item!
Question posted by grimaud92 on March 22nd, 2012
Problems With Sound And Picture
My tv Dynex DX-42E250A12 have problems with the sound and the picture when I turn it on I can"t see and listening anything.
Current Answers
Related Dynex DX-42E250A12 Manual Pages
User Manual (English) - Page 2
ii
Dynex DX-42E250A12
42" LED-LCD TV
Contents
CHILD SAFETY 1
Important safety instructions 2
Warnings 2 Cautions 3
Installing the stand or wall-mount bracket 4
Installing the stand 4 Installing a wall-mount bracket 4
TV components 5
Package contents 5 Front 5 Back 5 Remote control 6
Making connections 7
What connection should I use 7 Connecting power 7 Connecting a cable or ...
User Manual (English) - Page 7
Important safety instructions
DX-42E250A12 3
Cautions
Damage requiring service
Unplug this TV from the power outlet and refer .... Article 810 of the National Electrical Code, ANSI/NFPA No. 70, provides information with your TV picture and sound, operating problems, or even damage, keep your TV, make sure that the cable ground must be regulated for about an hour before switching it states...
User Manual (English) - Page 9
... your TV on page 17. Turns off , power still flows into it.
For more information, see "Using composite video (good)" on .
Connect the video for an HDMI device. TV components
TV components
Package contents
Remote control and batteries (2 AAA) Stand with ten screws Composite video cable Audio cable Quick Setup Guide
Front
Back
DX-42E250A12 5
# Item...
User Manual (English) - Page 10
... in stereo.
Press to turn your TV on page 24. You can select Vivid, Standard, Energy Savings, or Custom. 6 DX-42E250A12
TV components
Remote control
# Button 9 ZOOM 10 PICTURE
11 SLEEP 12 AUDIO 13...more information, see "Selecting a channel" on page 17.
For more information, see "Adjusting sound settings" on page 17. N/A
Press to select the audio mode for programs broadcast in ...
User Manual (English) - Page 11
...problems. Make sure that all connections are tight and secure. • The external audio/video equipment shown may be different from the power source indicated on the back of your TV,... video/audio
Good
Notes •
•
Your TV should only be using your TV for an extended period of time.
Making connections
DX-42E250A12 7
Making connections
What connection should connect a device to...
User Manual (English) - Page 12
...picture may need to use a highly directional outdoor or set-top antenna with HDMI-DVI adapter
To Cable-in jack on the cable TV or satellite box
3.5 mm audio cable
From cable TV wall jack (75 ohm)
5 Connect a 3.5mm to L+R audio cable (not included) to the HDMI OUT jack on page 16. 8 DX-42E250A12... or satellite box using DVI:
1 Turn off your TV and all connected equipment. 2 Connect the...
User Manual (English) - Page 14
...noise from radio waves. 10 DX-42E250A12
Making connections
Using coaxial (good)
To connect a cable or satellite box using coaxial:
1 Turn off your TV and all connected equipment. 2 ...problem.
Side of TV
Cable or satellite box
Coaxial cable
To Cable-in jack on page 16. Side of TV
Connecting an antenna or cable TV (no box)
To connect an antenna or cable TV (no box):
1 Turn off your TV...
User Manual (English) - Page 15
...as HDMI but requires a sound connection)
To connect a DVD or Blu-ray player using HDMI:
1 Make sure that your TV's power cord is unplugged and the DVD or Blu-ray player is turned off .
2 Connect an...1 or HDMI 2.
Back of TV
DVD or Blu-ray player
HDMI cable
3 Turn on your TV and to the HDMI OUT jack on the DVD or Blu-ray player.
Making connections
DX-42E250A12 11
Connecting a DVD or Blu...
User Manual (English) - Page 18
... types available for a better picture and sound.
Using HDMI
To connect a computer using digital audio:
1 Make sure that your TV's power cord is unplugged and the computer is turned off .
2 Connect an... cable TV connected directly to the wall jack
The connections you make depend on the video and audio jacks available on your TV, then turn on page 7.
14 DX-42E250A12
Making ...
User Manual (English) - Page 19
...menu language, picture mode, TV signal source, and the channel list. Setup Wizard
Choose your Picture Mode Home ...turn on the batteries with the + and - Select Yes to continue, or select No to excessive heat, such as sunshine, heat registers, or fire. • Battery chemicals can cause a rash. Do not burn or incinerate. Setup Wizard
Choose your TV. Using the remote control
DX-42E250A12...
User Manual (English) - Page 20
... input source:
1 Turn on your TV. Press twice to turn off your TV.
The power indicator LED
turns off. 3 Press (power) again to select HDMI 2.
16 DX-42E250A12
Understanding the basics
Understanding the basics
Turning your TV on or off
To turn your TV on or off:
1 Make sure that are not selectable are grayed out. Video menu (TV mode)
Picture Mode Brightness...
User Manual (English) - Page 21
...To select a channel:
• Press CH+ or CH- Press MUTE again to turn off the sound. Significantly increases the contrast, brightness, and sharpness. Moderately increase the contrast, brightness, ... program name, TV rating, signal type, audio information, resolution, CC mode, current time, and current program start and end times. Adjusting the picture
DX-42E250A12 17
Navigating the...
User Manual (English) - Page 22
... EXIT to close the menu.
18 DX-42E250A12
Adjusting the sound
• Advanced Video-Opens the PICTURE-Advanced Video menu where you press CH + or CH -, your TV goes to the next or previous channel...Search type
TV
Antenna
23% 4
Return
• If you need to eliminate large spikes in volume. The TV-Channel Scan screen opens.
When this option is connected to your cable is turned on, ...
User Manual (English) - Page 33
... an antenna, the digital channel signal may be caused by a poor or weak signal from the TV to eliminate the interference. Troubleshooting
DX-42E250A12 29
Troubleshooting
Warning Do not try to repair your TV. • Adjust the contrast and brightness. See "Adjusting the TV picture" on page 10.
• If you are black bars around the...
User Manual (English) - Page 34
...DX-42E250A12
Troubleshooting
Problem
Solution
Poor picture
• Make sure that the room is set a new password. Light reflecting off one device at a time to the channel list. Try turning off the screen can add the channel back to determine which device is turned on again. See "Adjusting sound... not work . This type of time.
TV cabinet creaks.
• If a setting ...
User Manual (English) - Page 35
... No 1 (back) Supports firmware upgrade only
Video Analog audio Digital audio WiFi Ethernet Headphone
Audio
DX-42E250A12
No No 1 coaxial (side) No No No
Simulated Surround Sound Sound Leveler
Power
DX-42E250A12 Yes
Yes
Power consumption
Power input
Miscellaneous
DX-42E250A12
On: 90 W Standby: Specifications
DX-42E250A12 31
Specifications
Specifications are subject to change without notice.
Quick Setup Guide (English) - Page 2
Setting up and using a coaxial cable.
42" LED-LCD HDTV 1080p I QUICK SETUP GUIDE I DX-42E250A12
ENGLISH 11-0620 Input
Opens the Input Source list.
Enter a digital sub-channel number. (Example: 4.1)
INFO
Opens a TV status banner. MUTE
Mutes the sound. Quick Launch Inputs
Selects another source connected to your User Guide!
EXIT
Closes the on...
Information Brochure (English) - Page 5
....dynexproducts.com and click Support & Service. See "Adjusting the TV picture" in the online User Guide. • Try another channel.
See "Adjusting the
TV picture" in the online User Guide. • Make sure that the power cord is
selected. Online User Manual
DX-42E250A12 3
• If your TV does not operate normally by the operating instructions because...
Information Brochure (English) - Page 6
... the interference.
Audio noise
• Other devices (for example, surround sound receiver, external speakers, fans, or hair dryers) may be low. This type of your warranty. It does not affect the operation of time.
4 DX-42E250A12
Troubleshooting
Problem
Solution
Dark, poor, or no picture (screen is lit), but poor color
• Adjust the contrast, color...
Information Brochure (English) - Page 7
... TV.
• Point the remote control directly at a time to Off.
Note
If the problem is correctly connected to clean the screen.
Maintenance
DX-42E250A12 5
Remote control
Problem
... these troubleshooting instructions, turn it further from the cable or satellite box.
• If you have selected the correct input for example, surround sound receiver, external speakers,...
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