-I have bought N73 since 2 years. -It was working good until its screen was broken. -I have replaced the screen (in a Nokia Center). -After receiving it back, it worked fine for sometime. -Next day I found the screen was all black with colored horizontal lines. -I went back Nokia center, gave it back to me,but the same problem happens again. -So the screen sometimes works fine and sometimes not... -They (at last) said that my mobile is "not fixable". -When I took it back,I discovered that the "Power save mode" is the reason for the screen going black.... -So I disabled power save mode and it worked fine for 7 days. -But the power save mode was on again (probably after a format),and the screen went black again. -I do not know what made/makes it operate normally after "Black Screen".. -If the screen become normal again I will disable the "Power Save Mode" forever, and it will work fine....But How I make it works normally again.. -Any suggestions??
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Re: Black Screen with horizontal lines
Are u sure that ur not able to see the fone's stand by screen now?its totally black?are u sure that there's no problem with the screen itself,the care guys might have left the screen connection loose. other wise try one thing,Format ur fone. by pressing *#7370# u have press keys once wait for 5 seconds and press the left selectin key [where u get the YES option normally. the fone would restart and lets see are u able to go back on the screen. IF YES then u can set the Sleep mode to off cuz the sleep mode gets inititated after 20 minutes when u keep ur fone idle means u dont operate ur fone for atleast 20 minutes. BUT IN THIS CASE ULL LOSE ALL UR DATA INCLUDING CONTACTS AND MESSAGES ETC.IF U HAVENT TAKEN THE BACK UP EARLIER.so its totally upto u that u want to proceed with this step or u can again show ur fone to the nokia care guys. but they'll charge u cuz obviously after 2 years ur fone is out of warranty
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The controller board for the screen is going bad. check shopjimmy.com for replacement parts. It's not a difficult job to do. Once the back of the TV is removed, you'll see it near the center of the screen.
By the way, is it an LCD screen? I guess so. LCDs have small IC's either on the lower portion or in the left side of the screen. When these become loose, the tendency is to have vertical or horizontal lines on the screen. Hot air blower might solve the problem. But most will not. Better claim warranty or replace the unit.
vertical output ic needs to be resoldered. careful leaving that bright line displayed on the screen as this will cause a permanent phosphor burn into the tube. this can not be corrected once burned unless you replace the tube. mch
A few things to try... Get another ipod and back up (using the menu button) to the first menu list you can,( should show the Music, Movies, ect list) and then do the same to your broken ipod. Follow the good ipod with the broken ipod and open a song. (just to clarify, you are using the good ipod to know what to press in the broken ipod because you can't see the screen). Now use your headphones to see if it is playing. If it works, your LCD is dead or depixelated. A screen replacement is necessary. You can find one on eBay for around $25 or someone to do it for you possibly on Craigslist.
If this doesn't work and it doesn't sync right to your computer then *********** board may be the culprite. Unfortunately this is the second most expensive part to replace. If you don't want to deal with it sell it on eBay/craigslist and put the money towards a new one.
Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages. Good Luck!
TV FINE UNTIL 2 NIGHTS AGO HAVE HAD 4 YEARS, STARTED HAVING A FOGGY SCREEN WITH WHITE HORIZONTAL LINES. HAS SOUND
A FOGGY SCREEN WITH WHITE HORIZONTAL LINES. called retrace lines please check
1 screen control on eht transformer is mituned
2 supply to screen of crt
3 supply to rgb video output is absent
4 connector loose
5 crt base loose
The set is under a year old and is under warranty. The LVDS cable inside these sets have a history of coming loose. The problem could be the panel. Either way, the set is the problem and needs to be looked at.
This set is worked on in the home and does not need to be taken to a shop, so, you can still use it.
Contact Samsung at:
Hope this helps.