Question about JVC AV-27230 27" TV

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Need factory service mode

After on the TV the screen dsisplay " you need Reformat " and the tv function like channel signal & Video input are not working.

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  • 25 Answers

I think you need to reset the eeprom,to open the service menu simultaneously press the DISPLAY key and VIDEO STATUS or P-MODE key of the remote control unit.

Posted on May 13, 2008

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Posted on Jan 02, 2017

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Hi I have a l32wd12 r a TV and it will not turn on


If the clock is on then the unit is receiving power; maybe the external input feature (which tells the TV which outside source to display on the screen, e.g. cable TV, DVD player, VCR player, etc.) is not set to display the TV channels. On my Sony TV there is a button that displays TV setting options (e.g., Favorites, TV List, External inputs and settings). The external inputs function displays the options as video 1, video 2, etc., right up to video 6. My video 3 is for the VCR, video 4 is for the DVD, and video 5 is for the cable TV channels. If the TV is set for say video 3 and nothing is playing on the VCR, the screen will be dark (almost as though the TV is off). Your solution might be as simple as choosing the right external (video) input for the TV to receive the channel signals.

Sep 19, 2014 | Televison & Video

5 Answers

Hook up and programming


have you try to check the the video cable connections from the dvd to the tv..?

Jun 19, 2008 | Sanyo DVW-5000 DVD Player/VCR

Tip

ERROR CODE AND POWER SUPPLY CIRCUIT


Viewing the Self Check Diagnostic List
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:DISPLAY > Channel 5 > Volume - > TV POWER .
Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a "0".
NOTE: If the Service Menu display text is not completely visible, press the Menu HOME button on the Remote Commander to refresh the display.
3. To exit Self Check display, turn the power off. Press [Menu] Exit.
Clearing the Self Check Diagnostic List
1. In Service Mode, press the Channel 8 Channel 0 .

RESETTING TO FACTORY DEFAULTSUse the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.1. While holding down the UP ARROW on the Remote Commander, press the POWER button on the right side of the set.The set restarts and displays the initial setup screen. This may take several minutes.
White Balance adjustment
1. Allow approximately 30 minutes for the set to warm up before proceeding with the white balance adjustment.
2. Connect the signal source to the 3 terminals of the Component In input (Y/Pb/Pr).
3. Set the Picture Mode to "VIVID" in the user menu.
4. Select the Component In input.
5. Open the Factory Service Menu (see section 3-1.) and select "Service Alignments Menu".
6. Set "White Point Red", "White Point Green", "White Point Blue" and "Black Level Offset Red", "Black Level Offset
Green", "Black Level Offset Blue" to average values .
"Cool " White Balance Adjustment
1. Select "COOL" from Color Tone in Service Alignments Menu.
2. Input 70IRE full white pattern signal into Component In.
3. Adjust "White Point Red", "White Point Green", "White Point Blue" in Service Alignments Menu if needed.
4. Input 25IRE full white pattern signal into Component In.
5. Adjust "Black Level Offset Red", "Black Level Offset Green", "Black Level Offset Blue" in Service Alignments Menu if needed.
6. Repeat steps 2 to 5 to achieve desired White Balance.
FOR MORE DETAILS CHECK THE FOLLOWING LINK
www.electro-medical.blogspot.com
google.com/+AjinGopakumar

USE SEARCH TAB TO FIND MODELS OR USE THE DROP DOWN MENU

on Jun 30, 2015 | Sony Bravia L-series Kdl-32l5000 32-inch...

Tip

SERVICE MODE AND ERROR CODES CHECK


Viewing the Self Check Diagnostic List
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:DISPLAY > Channel 5 > Volume - > TV POWER .
Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a "0".
NOTE: If the Service Menu display text is not completely visible, press the Menu HOME button on the Remote Commander to refresh the display.
3. To exit Self Check display, turn the power off. Press [Menu] Exit.
Clearing the Self Check Diagnostic List
1. In Service Mode, press the Channel 8 Channel 0 .

RESETTING TO FACTORY DEFAULTSUse the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.1. While holding down the UP ARROW on the Remote Commander, press the POWER button on the right side of the set.The set restarts and displays the initial setup screen. This may take several minutes.
White Balance adjustment
1. Allow approximately 30 minutes for the set to warm up before proceeding with the white balance adjustment.
2. Connect the signal source to the 3 terminals of the Component In input (Y/Pb/Pr).
3. Set the Picture Mode to "VIVID" in the user menu.
4. Select the Component In input.
5. Open the Factory Service Menu (see section 3-1.) and select "Service Alignments Menu".
6. Set "White Point Red", "White Point Green", "White Point Blue" and "Black Level Offset Red", "Black Level Offset
Green", "Black Level Offset Blue" to average values .
"Cool " White Balance Adjustment
1. Select "COOL" from Color Tone in Service Alignments Menu.
2. Input 70IRE full white pattern signal into Component In.
3. Adjust "White Point Red", "White Point Green", "White Point Blue" in Service Alignments Menu if needed.
4. Input 25IRE full white pattern signal into Component In.
5. Adjust "Black Level Offset Red", "Black Level Offset Green", "Black Level Offset Blue" in Service Alignments Menu if needed.
6. Repeat steps 2 to 5 to achieve desired White Balance.
FOR MORE DETAILS CHECK THE FOLLOWING LINK

www.electro-medical.blogspot.com
google.com/+AjinGopakumar

USE SEARCH TAB TO FIND MODELS OR USE THE DROP DOWN MENU

on Jun 30, 2015 | Sony Bravia KDL-26L5000 26 in. LCD HDTV

1 Answer

Televison station won't scan


If you are receiving a "No Signal" error message, verify that:
  1. All of the cables physically connected to the TV and the input device are secure.
  2. The input device is turned on.
Your TV needs to scan for channels before it can show programming from an antenna, from cable TV when the cable comes directly from the wall (no cable box), or from a cable or satellite box connected to the TV with a coaxial (RF) cable. Do not scan for channels if you have a cable or satellite box connected using AV (Composite), Component, or HDMI cables. The box selects the channel, not the tuner inside your television. If you are not using the "TV" input, press the INPUT button on your remote until the correct input mode is selected.
To perform a channel scan using the coaxial input:
  1. Press the INPUT button on your remote to view your current input source. The TV (coaxial cable) input must be selected. This may appear as "TV," "ANT," or the channel and call letters of a station.
  2. If the TV input is not selected, press INPUT until the TV input mode is selected.
  3. Open the on-screen menu and select TV or Tuner option. (This varies by model.)
  4. Highlight Tuner Mode and select the correct option:
    • Antenna-over-the air signals from an antenna
    • Cable-direct from the wall cable TV, or a cable or satellite box connected to the TV with coaxial cable
  5. Select Auto Search or Auto Channel Scan. (This varies by model.)
  6. When the search reaches 100% complete, exit to the menu.
  7. Check the available channels:
    • Antenna or direct-from-wall cable-Press the Channel Up and Channel Down buttons on your VIZIO TV remote to view the available channels.
    • Cable or satellite box- Will return only one channel. Use the cable or satellite remote's Channel Up and Channel Down buttons.
If this does not resolve the issue, power cycle the TV and then re-run the channel scan:
  1. Turn off the TV.
  2. Unplug the TV from the electrical outlet.
  3. While the TV is unplugged from the wall, press and hold the Power button on the TV for 30 seconds.
  4. Release the power button.
  5. Plug the TV back into the electrical outlet.
  6. Turn on the TV.
Note: There is also an option to reset the TV to the factory default settings. This option is in either the SETUP or SYSTEM section of the on-screen menu. The option may be "Reset all settings", "System Reset," or "Reset & Admin." Consult your TV's user manual for the location and steps for resetting your model.
  1. Remove the coaxial cable from the DTV/TV connector on the back of your television and perform a channel scan to clear the existing channels. See the procedure above. This should not find any channels.
  2. Re-attach the coaxial cable to the DTV/TV connector and perform a new channel scan.
This video shows troubleshooting steps to use when a "No signal" message appears.

Jun 25, 2014 | RCA 46 46LA45RQ LCD TV

1 Answer

Sony Wega KV-30HS420 input problem


Just reset the TV to its factory settings and check. To do this you have to enter its service mode option. How to enter the service mode option is described in one among the posts at the site linked here.
But, before doing this reset, just connect the HDMI cable to the TV, and input an HDMI signal to it. If there is no input signal, the set will display as 'no input'. Check this first. If you wish to get further assistance from me, come over by FiXya comment.
If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Feb 17, 2014 | Sony FD Trinitron WEGA KV-30HS420 30" TV

1 Answer

We hit a button on the remote and lost the Tuner, so we can't get any channels. I think we hit the factory settings mode. What can we do to get the tuner back?


the tv is problably in video input mode-find eithor input or video on remote push it until tuner function appears -if you need more help get the model number of tv and repost it

Sep 07, 2009 | Televison & Video

1 Answer

Is There a way to go to video/input without a remote.


My answer will be generic.

With many of these TV sets the original factory remote is required to change the input mode of the set, or to access any of the user menus.

On some models of sets, putting the channel selection down to below channel 2, puts the TV in to the external input modes.


Jerry G.

Feb 10, 2009 | Emerson Televison & Video

1 Answer

Only see a blue screen ...


Hi, The bluescreen is an indicator of "lack or absence of a video signal". In TV mode this would only come on if your reception quality is so poor that the TV "thinks" there is more interference/noise than intelligent video signal nd therefore mutes the video. In all other modes, (S Video, A/V Video etc), again, this muting action will result in the bluescreen if the TV "thinks" it is not receiving any video input. To try and fix this would either be: 1. Check and verify that you have a video signal coming into the TV by trying your video source (DVD, cable box) into another TV unit; or 2. Check and verify that your connectors at the back of the TV and the source are properly connected and are snug/fitted properly. If both fails, it is possible that you have component failure inside the TV and that would require the services of a qualified TV professional. Hope this be of help/idea. Post back how things turn up or should you need further information. Good luck and kind regards.

Sep 15, 2007 | Polaroid FLM-1517 15 in. LCD Television

1 Answer

HDTV Cable box conflict


This set does not support 480I in the DTV mode, only 480P and 1080I is supported. Try setting the analog setting in the cable box to 480p and that should take care of watching the set in DTV. Most cable boxes have a setting for format changes in the customer menu, depending on the type of box. If you are able to change the format, then the other inputs will not work since they need a 480I signal, as well as VCRs. Another setup could be to use the S-Video cable or Video input jacks to get a better picture in 480I instead of using the cable input. However, when changing from HD to Analog, you will have to change to the correct input on the set as well. Hope this helps.

Dec 24, 2006 | Samsung HCJ655W TV

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