Question about Samsung SGH-U700 Cellular Phone

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U700 when slide the soft touch key not response

My u700 does not work properly when it slide up and the display place inverted lcd

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Sounds like a flex connector problem. have it replaced asap.

Posted on Mar 03, 2009

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Black screen delld600


Several things can cause your Dell Latittude D600 laptop's LCD screen to stop working.

Two of the most common causes relate directly to the inverter board and the backlight lamp.


The inverter board is a thin circuit board placed inside the LCD panel.

It's main function is to transfer power from the motherboard to the backlight bulb inside the LCD screen.


If the inverter board goes bad or the backlight lamp burns out, the screen will appear dim or eventually go completely black.


Turn off the laptop, unplug the power cable, close the LCD panel and place the laptop face down.

Remove the battery pack from its compartment on the bottom of the computer.


Flip the laptop back over and reopen the display panel all the way until it is in a 180-degree position.

Insert a flat head screwdriver into the right side of the keyboard bezel.


This is the plastic strip situated above the top row of keyboard keys. Carefully pry the bezel from the laptop.

Remove the two Phillips screws located above the top row of keyboard keys.


Grasp the top edge of the keyboard, tilt it upward and lay the keyboard face down on the palm rest area.

Unplug the keyboard's ribbon cable from the motherboard connector.


Carefully remove the entire keyboard from the laptop.

Disconnect the video and speaker cables extending from either side of the LCD panel to the motherboard.


Loosen the Phillips head screws on each LCD panel hinge.

Carefully lift the entire LCD panel off the laptop's base.


Relocate the panel to a flat work surface, and place the panel so the screen is facing upward.

Use a thin, flat head screwdriver to pry the rubber screw covers from the LCD panel's front plastic cover.


Remove the Phillips head screws revealed by the rubber covers.

Carefully remove the front plastic cover from the display panel.


Locate the inverter board situated below the LCD screen, inside the bottom edge of the display panel.

Disconnect the two cables from each end of the inverter.


Remove the two Phillips head screws fastening the inverter to the display panel.

Carefully lift the inverter board out of the display panel, and dispose of it.


Repeat this procedure in reverse to install the new inverter board, and reassemble the laptop.


Hope this helps


Oct 23, 2012 | Dell Latitude D600 Notebook

1 Answer

Soft "Pop", Then Black Screen. Sound is OK.


First check the inverter for any burst capacitors and the display boards.

Aug 28, 2012 | Toshiba 20DL74 20 in. EDTV-Ready LCD...

2 Answers

Having a sound problem when sliding up my SAMSUNG SGH-U700 phone


It will be problem on the strip of ur phone, 
Just Contact to Authorized Service center to solve.

May 09, 2010 | Samsung SGH-U700 Cellular Phone

2 Answers

What is the possible trouble of my samsung sgh u-700, the screen only shows blank and sometimes the features appears but not in a normal appearance,,, it appears scattered and moving in different direction...


I think this a problem related to the flex cable that connects the main phone body to the sliding screen. Over time the flex cable wears down as it slides and results in a whole range or problems such as: display acting weird (eg. mirror-image and inverted colours), speaker not working, off-button not working etc.
Flex cables are cheap to buy on ebay (a few dollars) and there's internet sites that show you how to open the phone and replace them. (google: samsung u700 replacement flex cable)

Mar 21, 2010 | Samsung SGH-U700 Cellular Phone

2 Answers

Touch Keys and Screen


I think this a problem related to the flex cable that connects the main phone body to the sliding screen. Over time the flex cable wears down as it slides and results in a whole range or problems such as: display acting weird (eg. mirror-image and inverted colours), speaker not working, off-button not working etc.
Flex cables are cheap to buy on ebay (a few dollars) and there's internet sites that show you how to open the phone and replace them. (google: samsung u700 replacement flex cable)

Jul 13, 2009 | Samsung SGH-U700 Cellular Phone

1 Answer

Phone is muted...No one can hear me when I am calling, or answering a call. I can hear them fine. Phone shows "muted"?? How do you "un" mute?


Receiving Calls
1. To answer a call, touch or open the slide.
 If the slide is closed, simply slide it up.
 If the slide is closed, press the Voice
Commands key twice, then touch .
 If the slide is open and the touch buttons are
lit, touch .
NOTE If you touch Left Soft Key [Quiet] while the
phone is ringing, the ringing or vibration is muted
for that call.
NOTE If you touch Right Soft Key [Ignore] while the
phone is ringing, the call will end.



Mute Function
The Mute Function prevents the transmission of
your voice to the caller. To quickly activate Mute
touch Left Soft Key [Mute], then to unmute
touch Left Soft Key [Unmute].

NOTE! while doing this you must call someone then while talking with him touch Left Soft Key [Unmute] to Unmute

Hope it help you out ^_^
try download the manual if you loose it
http://www.cellphones.ca/upload/manuals/lg-vx-8500-manual.pdf

Jul 03, 2009 | LG CHOCOLATE VX8500 Cellular Phone

2 Answers

U700 touch keys


The FLEX (white film strip inside your sliding phone) is already worn out. if your phone is still covered by warranty, it will be replaced for free by any samsung mobile service center, but if not, you have to pay for its replacement..

Dec 08, 2008 | Samsung SGH-U700 Cellular Phone

1 Answer

Keys dont work samsung u700


for this u have to replace key pad pcb which is available in any cellular parts shop price app.10$

Nov 20, 2008 | Samsung SGH-E900 Cellular Phone

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