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42" lcd tv suddenly went black and white on all ext's(menu still colour),now keeps changing channel by itself to ext 5.

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You need to take it in for repaits....trying to trouble shoot it on here wont be of any help to you,,,most repair shops know what it is when they see what the tv is doing and will estimate the repair before they do it so that you know the cost before they fix it

Posted on Sep 17, 2008

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I have a Toshiba Regza 32lv 703G lcd tv. I switched it on and I have lost my colour. It only displays in black and white although the menu screen is till displaying in colour. Kindly advise. Thanks!


It is pretty much junk, sorry to say it but your picture tube went out and it is cheaper to buy a new t.v. My grandpa use to fix them for us for free but he passed:( If you call some where see how much they would charge for a picture tube, I bet it's expensive???

Jan 15, 2012 | Toshiba REGZA Televison & Video

2 Answers

Digital Lifestyles 42" LCD HDTV


How many hours has the tv been used ... approx... as this will reveal further solutions..

Jun 09, 2008 | Digital Lifestyle FA1B32Z 32 in. LCD...

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

I have a toshiba flat screen 42 inch. i went to change the channel and now all i have is a white screen and no sound


Hello
The tuner card in your TV is not working I thinks. Anyway set the TV to its factory defaults. It will make all the setting to factory levels. If this also didn't helep you, repace the tuner card.
To restore the TV to its factory setting:
[1] Press Menu and open the SETUP menu.
[2] Highlight INSTALLATION and press ENTER. A new set of installation menu will appear.
[3] Open the SYSTEM STATUS menu. Hilight the SYSTEM INFORMATION, and press ENTER.
[4] Press [ => / [5] Enter your PIN code (or 0000 if no PIN code has been set).
OK

Apr 21, 2011 | Toshiba REGZA 42WLG66 42 in. HD-Ready LCD...

1 Answer

My Philips LCD TV just changes channels by itself


it could be one of the buttons to change channels is jammed

Jul 13, 2010 | Philips 42PFL7422D 42 in. LCD TV

1 Answer

Cable on TV suddenly went to black & white (and a bit fuzzy)(some channels show faint colour). Was fine, nothing was changed, one day was suddenly B&W. TV screen is not the problem, all other cable...


Was playing around with the TV's menu and changed the Tuning Band from "HRC cable" to "IRC cable". Suddenly I have colour again. No one had adjusted any of the controls, so still not sure why one day it was fine and the next day it had gone to black and white, but changing the Tuning Band fixed the colour problem for me.

Sep 13, 2009 | Televison & Video

1 Answer

Was watching TV and the picture just went black (still had sound)


eithor the flyback just craped out or the tube went
try turning up the flyback failing that call a service tech and ask for a quote
quote cose 30-50 bucks
atleast you will know forsurre if it's worth fixing

Aug 06, 2009 | Samsung SPN4235 42 in. Plasma HDTV

4 Answers

Lg 32lc2r, only showing picture in black and white


Make sure that the color control level is set to the default or 50% to start with. This should be in the Video menu.

The colour for the tuner and for the encoded base-band video uses a circuit area called the colour demodulator. It is possible that this cirucuit area has failed and needs servicing.

Jerry G.

Jan 08, 2008 | LG 32LC2R 32 in. HD-Ready LCD Television

3 Answers

Ps3 black and white


my ps3 only plays in black and white, how do i get colour

Dec 26, 2007 | Sony Playstation 3 (PS3) Console

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