Question about Sceptre X9G Komodo IV 19" Flat Panel LCD Monitor

26 Answers

Sceptre LCD - no display

My Sceptre LCD X9G-Komodo IV is no longer worked as usual, the screen stopped displaying. If I press the button OFF and ON again, the monitor will display information for about 1 second and after that the screen is blanked/blacked out even the power is still ON (green). Could you please help me to resolve this problem? Thanks

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  • snozwaffer Nov 08, 2007

    I took the monitor apart and found that the 12v dropped to about 9.7v upon lighting the display then immediatly switches off. I think it's the power supply. Good luck trying to find one... (synical laugh)

  • master007 Nov 28, 2007

    My Sceptre 32" LCD TV Does not powwer on. When you press tv on via remote it switches for red light to blue light this does not happen

    can you help

    bryanjames007@yahoo.co.uk

  • lambada Dec 15, 2007

    my monitor no work , i plog in the computer and the monitor said is no conection

  • Anonymous Dec 15, 2007

    screen stays black but can see something

  • Lopinto Dec 16, 2007

    I have the same problem. The screen shows content for about 1 second, then fades to black. I have to keep turning my computer onand off to make it work.

  • 4tomtom Feb 06, 2008

    have the same problem......started with 3 or 4 faint lines on the right hand side of the display several months ago......now the entire display turns black after a period of use......will come back up for a very short period if you turn the power off and turn the monitor back on......can use the same video cable and connect another LCD display or CRT monitor and everything works fine.....must be something within the the display.

  • Anonymous Mar 15, 2008

    Sceptre X9g -NagaV 20 in: Problem: no screen display. light blinks on and off. Changed power cord and computer hook up card, however same problem.

  • Anonymous Mar 18, 2008

    Same thing, screen is black, power light flashing on-off green. Used to work if I turned it off and back on. Tried new cable from PC to monitor with no luck. Tried new power cord and video card with no luck. Must be internal, any suggestions???

  • roper1 Mar 21, 2008

    My Sceptre LCD X9G-Komodo IV is no longer worked as usual, the screen stopped displaying. If I press the button OFF and ON again, the monitor will display information for about 1 second and after that the screen is blanked/blacked out even the power is still ON (green). Could you please help me to resolve this problem

  • topcop794 Apr 02, 2008

    I contacted the company and they said it's the power inverter. It coast 100.00 to fix and 35.00 for shipping. I can fix it my self if I could get the part which would be replacing the circuit board that contains the power inverter. Do you know were or who I might be able to get this from?

  • Anonymous Apr 17, 2008

    Same problem, Sceptre quoted $100.00 Labor, $35.00 SHipping plus part cost.





    Daryl

  • macmezzi Apr 28, 2008

    my sceptre monitor comes on for a split second then shuts of and so on every now and then i can get it to display a screen for a long period of time.

  • Anonymous May 02, 2008

    My Sceptre went out too less than 1 yr old

  • Lama12 May 28, 2008

    I have a Septre X20 - same problem. For years it flickered, now it goes black after a few seconds. It is out of warranty. I have read through the threads and there is much helpful info.

    Would it be possible for someone to post some photos showing what some of the faulty parts look like, and perhaps suggestions as to where to obtain replacements? I really want to avoid chucking this otherwise nice display in the trash. BTW, several of my ccfl tubes look burnt (black at the ends). So if I tangle with this, I would like to replace those as well.
    Joey


  • Anonymous Jun 10, 2008

    im having the same problems i havent fixed it still waiting.

  • ksmith446 Jun 20, 2008

    My Sceptre LCD X9G-Komodo IV is no longer worked as usual, the screen stopped displaying. If I press the button OFF and ON again, the monitor will display information for about 1 second and after that the screen is blanked/blacked out even the power is still ON (green). Could you please help me to resolve this problem? Thanks



    Describes my problem perfectly!

  • David J Mattley Jul 05, 2008

    Sceptre X7SV-Naga+, 2004 LCD 17" Monitor/TV with same symptom. Display only for split second but everything else works. However, electrolitic caps are fine. What is charred is the upper right coner of the card with 4 ceramic caps or thermisters marked on the PCB as C12, C??, C22, C23 and a resistor marked R50 that also appears to be fried along with the C?? that is totally fried. It appears Sceptre uses a lesser quality of components in some areas and the PCB's seem to be poorly soldered causing arcing and unnecessary overheating. Since there are no markings on these comoponents, I have no idea of their values and have contacted Sceptre to see if I can purchase a replecement PCB. However since this unit is almost 5 years old maybe it is better just to chuck it and go buy a more reliable product.

  • joniclipper Jul 23, 2008


    1. this is a sceptre x7 17in it just flashes and the green light stays on.Nothing looks swollen like decribed by other people.....any suggestions?


  • Gregory Kibitz
    Gregory Kibitz Jul 31, 2008

    Thanks guys*** I had a similar but slightly different problem* with my Sceptre X7 and I fixed it completely (knock on wood) by simply replacing only one capacitor** (that had not yet exploded but was visibly bulging).



    * My problem was similar. But rather than power on for a second and then off, mine wouldn't power up at all, other than the blue power light pulsing on and off every second or so, as it appeared to keep trying to start the back-light (flourescent?). It did this intermittently at first, only after a long enough hard power off (monitor via switch) that gave it enough time to cool down. But, with some fiddling it kept coming back on but it took longer each time. Then finally longer became never.



    ** My power module is a bit different than the ones described and/or pictured above as it had 16V Caps (not 25V) and not only 2-470uF Caps but also some (2) that are 330uF, particularly the one I replaced. I didn't have any exact matches on hand (CapXon 330uF 16V GL 105 degree C606 Vent) but I did have a couple of lower rated ones (LLC 330uF 25V GS 85 degree 9448 Vent) kicking about so I figured, wtf, might as well try it, as I had already written this monitor off and was but hours from buying a new one. And, viola. fixed. I just hope that the higher voltage rating means more margin especially with the 20% lower temperature rating. But, if not, I now know what to do



    *** I was DOA as I have no spares displays anymore and thus had to borrow something old just to get online and, as I searched for new monitors, repair people, a new power module (my first guess as to the problem based on what it was doing - not starting the backlight - even thought nothing on the boardd seemed amiss.), et.al., I found your site. Big savings. Everything from stock (1 cap and some solder). A couple hundred bucks saved is a couple hundred bucks earned. Next rounds on me!

  • pastaboy4 Aug 05, 2008

    Have the same problem on my Proview PL713sc the monitor goes black at random times, I can turn it on and back on and this screen will go black again usually between 5-10 seconds later sometimes more, the green light will stay on I have tried several combinations of resolutions and refresh rate and also tried 3 different computers with different cards and operating systems, Win98 to Vista all with same result, seems to be a coomon problems in this monitor and similars, if anyone has come up with a method to stop this common problem it would be great to know.

  • Anonymous Sep 23, 2008

    Sceptre sucks. palin and simple. I too had my backlight go out after only 5 months of use. What a giant hassle and waste of time to send it back, pay for shipping to them and then wait 6-8 weeks for repair and shipping back to me! Buy an Apple, Sony or ViewSonic monitor next time!

  • tohassan Nov 20, 2008

    I bought my Sceptre LCD 46" in March 2008, and it was serving me well. Then the screen started to go black afte about 1hour, but the power light stays blue. Itried to turn if off and on, but the display show the picture for few seconds thn it goes black again. I called Sceptre and they said I need to unplug the TV and leave it over night, which I did. The next day I turned on the TV and got the same problem. They asked me ship it to them at my own expenses, and I'm really pissed off now. Please any help. Thanks.

  • Sirrush Dec 11, 2008

    monitor comes on for a second or two but goes off i know its the back lighting but the only cap that seems bad is the large one that has 400v (c)0452

    Scepture P/N: X7G-Komodo II Power Supply Part Number LM004 Rev: 3can any one tell me witch Cap i need to replace... i have read the thread but i can not tell which ones are bad ... or can you tell me what i should be looking for....

    the larg cap has some thing oozing out of the pos terminal.... i don't thik this is the one that is bad because it is part of the main power converter ... if it was the monitor would not turn on... but i could be worng.... Cap. c11 c 12 c 22 c23 seems to be fine no obviouse dammage...




  • stayathome Mar 16, 2009

    I have this same Sceptre monitor with the same problems described. I took it apart and located the four capacitors.

    I was then told by friends there was a huge danger of shock in handling capacitors. I already had it apart and had already handled them without any shocks. They said I was lucky and that capacitors need "discharged" before removing them and replacing with new ones.

    From what I read on this board, almost everyone seems to have had success with this solution of replacing the four capacitors. Is there really a huge danger of shock in trying this solution to get my monitor working?

    Thank you.


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26 Answers

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There is 2 caps in the power supply that are blown I have fixed 15 of these LCD with the same problem.

Posted on Jun 19, 2007

  • Steven Phillips Aug 29, 2013

    Have you ran into any where the caps weren't the problem? Having the "no display" issue despite everything else working normally. It flashes then black. Windows sees it, cables are all good. I replaced all the listed caps from the lcdalternatives pack (though none appeared damaged) and still the same problem.

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Excellent solution posted by anyone care! Many thanks!!! $3 vs. $300!!! Many thanks!!!

Posted on Sep 12, 2007

  • yahooets
    yahooets Sep 12, 2007

    bgohlike, I neither had any equipment to test
    caps nor wanted to buy it.
    Look at the power board. The 2 caps (470µfd 25V)
    mentionned above by zertali are sitting next to
    each other. In my case, both caps had raised tops (as they were about to explode). Replaced
    both of them and voila! My Sceptre is working again.

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Just had the same problem on my Sceptre Naga IV. It was fairly easy to take apart and i had to replace all 4 capacitors(2 470uf 25v and 2 1200uf 10v). Bought them from mouser.com for less than $3 total, very easy to unsolder and solder if you have any experience with it at all. Monitor is working like new :) Hope this helps

Posted on Jun 10, 2008

  • PB1234 Sep 13, 2010

    Can you please tell me how you are taking the monitor apart? pictures with location of the inverter board will really help. Thanks PB

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I recently came accross one of these monitors (Planar PE191M) with the identical issue. The resolution was to replace the two 470ufd 25V capacitors that are located on the main power board. The main power board also contains the audio circuit and more importantly the inverter circuit that drives the CCFL backlighting. The suspect caps were identified using an ESR meter; if you happen to have one of these meters you can confirm this is the issue with your unit(s), alternatively you can just replace the two capacitors and see if it resolves your issue. Hope this info helps someone out there.

Posted on Sep 08, 2007

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I followed the advice posted here and on other fixya.com forums, -- namely replacing the tow 409uf 25vand the two 1200uf 10v capacitors, and the problem is fixed. This is on a Sceptre x9 komodo IV. Bought the 470uf 10v capacitors from parts express for 52 cents each ($1.86 shipping first class mail) and the 1200uf 10v from an ebay seller (10 for $1.29 plus $1.69 shipping) from k_electronics. Extremely reasonable price and shipping.


sceptre LCD - no display - rtcurve.gif

Posted on Jul 06, 2008

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I doubt if this is cable-related. i had a xerox 19" monitor that blanked out faster and faster the warmer the monitor got. if you find that the screen display lasts longer if it is cold, say after you have left it off overnight, then your problem is definitely somewhere on the power board. as the monitor is used more and more, warming up and cooling down, any solder joints that are weak can break, so that the connection exists only when the power board is cold (expansion of the metal) and quits displaying when the power board is warm (contraction of the metal). if you aren't afraid of soldering, pull your monitor apart (be very careful to remember how to put it back together) and try simply touching each of the solder points on the power board. be sure to use only no-clean solder as its flux is non-conductive and non-corrosive and also not to bridge any of the connections that were not previously connected. good luck.

Posted on Nov 26, 2007

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Your problem is the video inverter, you can see an image for about 2 secs or so, then it goes blank and the power light indicator is still green. sceptre wants 125.00 for this part IF you can repair it yourself.

Posted on Mar 26, 2007

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I had the same problem with my DCL9A 19" DCLCD monitor. It would turn on for a few seconds and then black screen. The same thing every time you power on the monitor.
I disassembled the LCD and then removed the power supply board, desoldered and removed the 2-470uf 25v caps along with the 2-1200uf 10v caps and checked all with my LCR meter set on 0-2000uf range. both 1200uf caps were ok but the 470uf caps only measured around 100uf. I replaced both of the 470uf 25v caps and it solved the problem. My DCL9A is now working perfectly!

Posted on Sep 06, 2009

  • deimonmachad Feb 11, 2011

    How did you open the case of this monitor ? I had tried but until now, nothing!

    Could you tell us how did you make it ? ( lammer!! kkk)

    Deimon Machado - Curitiba - PR - Brasil

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This problem is very often caused by dry electrolytic capacitors on the inverter board. If you have some skill with soldering you could try to change them. When buying new ones ask for LOW-ESR capacitors for switching mode power supplies (SMPS) and 105°C, they are a little bit more expensive than normal electrolytic capacitors, but are designed for this aplications so they lasts more. Normal el. caps will also works fine so when you cannot buy LOW-ESR for SMPS use normal ones.

Posted on Dec 04, 2007

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The above solution sounds like a waste of time to me, though I'd have tried it if I had another monitor cablel lying around...I've got the identical problem and have seen another couple of similar posts about this, but no repair tips. I expect it is a power-supply problem, since there is a dim but otherwise-normal picture for the second or two before it shuts down. Some $0.39 component has gone bad...but which one? Notably, I returned the first identical monitor within days of purchase for a similar lights-on-but-no-display problem. At this point I may have to write it off and buy another...and methinks from another mfr. I expect more than a year or two of trouble-free use out of ANY monitor. Is that asking too much, Sceptre?

Posted on Mar 26, 2007

  • Terry Weber Nov 04, 2013

    Mine went out after 4 years... I expect more than FOUR years out of a new television.

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  • Sceptre Master
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My Sceptre LCD X9G-Komodo IV is no longer worked as usual, the screen stopped displaying. If I press the button OFF and ON again, the monitor will display information for about 1 second and after that the screen is blanked/blacked out even the power is still ON (green). Could you please help me to resolve this problem?
This trouble maybe power supply or inverter boards is defective.
first you can test the voltage of the multr,and then check which part is defective.From Wisiny.com can find those parts
if you have any question,please let us know email:service@wisiny.com.thanks,we sincerely hope we can help you!
you can also check this boards whether suit you:
Sceptre LM004 Power Supply Backlight Inverter for X9G KOMODO

Posted on Mar 22, 2015

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Not capacitors problem but transformers.
I learned the problem caused by the invertor here. But no problems were found after checking all capacitors on the power borad and the inverter board. I was curious about 8 black boxes on the inverter borad and measured their resistances between different connectors, found the one on the left is quite different from other seven. Then I goodled it and found out they transformers. For my inverter board (darfon v144-001), the primary resistance should 0.5 ohm, the secondary should be 950 ohm. I ordered the replacement from lcdparts.net and installed it on the inverter board, and my Sceptre XS30V-NAGA III works again. The probablem is fixed.
-sweng

Posted on Nov 07, 2011

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Replaced the caps on my Sceptre X9G Naga II monitor as directed on this page. Now it's good as new! Thanks for the fix!

Posted on Aug 05, 2010

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Just had this happen to me on my 42" lcd. Down with Scepter. Not worth going cheap on an lcd tv.

Posted on Jan 02, 2010

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Hp 1530 black screen,change the pico fuse 2A(yellow colour) and it solved the problem

Posted on Oct 28, 2009

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Have a Sceptre X7 monitor that displayed the same symptoms -- powering up okay for a second or two, then merely blinking the blue light.

After reading the information in this forum, I dismantled the monitor and replaced the two 470uf/25V caps (used 85* caps since that's what I have). Works perfectly now.

Thank you.

Posted on Oct 23, 2009

I have this exact same problem on TWO Viewsonics....so yeah...can't say it's isolated to Sceptre.

Posted on Oct 30, 2008

I have a X9 NagII Same **** - I replaced the 4 caps (2 470uf 25v and 2 1200uf 10v) like in Solution #8 & its up & running again. I bough them on ebay - A hellua lot cheaper than 4spending another $175.00 for a new monitor!

Posted on Sep 24, 2008

More than 90% of time it is the caps. check the cable , that is too funny.

Posted on Jul 14, 2008

I am having the same problem. The backlight inside the monitor is not working correctly (screen displays fine for 1-2 seconds after starting up then appears to go black). From what I have found on the internet the only real way to fix this is to send the monitor in under warranty for a fix/replacement.

Posted on Mar 25, 2008

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Monitor (Sceptre X7G) powers up and the display cuts out after about two seconds while the power LED remains blue. Opened up the monitor and found two of the four 470uf/25v capacitors had leaked a thick brown substance all over the circuit board.

Will replace and report.

Posted on Mar 16, 2008

2 Capacitors broken within my hp 1530, and now it's working perfectly (0,70 €)

Posted on Nov 28, 2007

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I had a similar problem with a Sceptre X7G NagaVI monitor. At first, the monitor would rarely come out of standby, requiring a reboot of the computer. Eventually, it wouldn't display anything and the power light would flash red and blue. A call to Sceptre's service department was no help, since they told me the monitor was out of warranty and it would be cheaper to purchase a new one than have it repaired.

I checked the power board, and there was a pair of capacitors that were swollen and tilted. I replaced the pair at a cost of $1.60 and it is working like a charm now.

Posted on Nov 17, 2007

Was on the phone to Xerox Tech - they say it's a known Fault - and will cost £55 to fix.

Posted on Aug 30, 2007

Try, Looking at the Monitor propties to see if it is a configuration issue.Thats if the first problem solving that you read above does not work. By Lady1

Posted on Mar 30, 2007

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Try replacing cable from monitor to computer, there's a good chance this is cable related. try connecing another cable from monitor to computer, and check if there are any broken pins in any of the outputs.

Posted on Mar 14, 2006

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Sceptre X9G Komodo IV

I have a 19" Sceptre Comodo display. After 3 years it got the problem everybody complains about. Took it apart yesterday.

There are 4 capacitors in a row on the power supply board (it has a socket for the power cord and is covered by a metal shield. The caps are barrel-like things standing upright on the side opposite to the power cord socket.) Two of them are 470 uFx 25 V, they are next to each other. In my case, one of them popped up and another one was bloated. I pulled out the power supply board (make sure you unplug the power cord and press the power button do discharge the high voltage caps before messing with your monitor) after disconnecting all sockets (mark'em!). I assume that you have new caps handy (I paid $2.10 for a pair at a local electronics store), they must have the same capacity and voltage rating. Now grab a soldering iron, remove old caps, and put new ones in. You must observe polarity! (Usually "minus" pin is labeled on the cap's side. Mark down "minus" and "plus" pins location of old caps and put the new caps in exactly the same way! Otherwise, you can blow the caps.) If you are not used to work with a soldering iron, hire somebody or buy a new monitor. Check the quality of the work (no shorts, solid contacts, etc), assemble the monitor back and may be it will work (did for me). If it does, you put one monitor less into the city dumpster, be proud to get a working monitor for less than $5, and force you mother-in-law to take this shiny new replacement display she just bought back to the store.

Of course I do not guarantee that my procedure will work for and you can use it at your own risk only (i.e. I am not liable for any damages).



Posted on Sep 09, 2008

  • 1 Answer

SOURCE: sceptre LCD - no display

I did sent it to them for the $135.got it back and it works.If it happens again I will slam them like I did roto zip.I got another motor from them but it was a piece of junk too.

Posted on Sep 21, 2008

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2 Answers

Same problem here


My Sceptre Komodo 19 would turn on for less than a second than turn off. Eventually, I could get it to stay up. But after a month, I couldn't get it to stay on anymore.
I found the solution on this website. There are some bad capacitors... 4 of them for about $2 worth. I replaced all four and the monitor works fine again. They are soldered in. They are polarized; they need to be installed the right way. The white stripe goes towards the “wall”.
2 are 470uf 25v and 2 are 1200uf 10v.
I ordered mine for about $10 with shipping from Mouser.com
661-EKZE250ETD471MJ1 and 647-UHE1A122MPD
0cd9231.jpg
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Oct 04, 2009 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

4 Answers

Sceptre LCD - no display


I have same problem... just went off warranty and they won't cover it.. they want $100 for repair plus $35 shipping plus I have to pay to ship it to them... For $179 I can buy a new 19" with 3 year warranty...I wouldn't buy another Sceptre at half the price

Jul 13, 2008 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

2 Answers

Same Flashing Problem


My Sceptre Komodo 19 would turn on for less than a second than turn off. Eventually, I could get it to stay up. But after a month, I couldn't get it to stay on anymore.
I found the solution on this website. There are some bad capacitors... 4 of them for about $2 worth. I replaced all four and the monitor works fine again. They are soldered in. They are polarized; they need to be installed the right way. The white stripe goes towards the “wall”.
2 are 470uf 25v and 2 are 1200uf 10v.
I ordered mine for about $10 with shipping from Mouser.com
661-EKZE250ETD471MJ1 and 647-UHE1A122MPD

44cf31e.jpg5bcc2c5.jpg

Jul 06, 2008 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

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check out any dry solder or burnt and re solder it , hope it helps AJ

May 03, 2008 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

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To me it sounds like the bulb is having a problem with powering up. It may be an issue with the power adaptor or the outlet it is plugged into. Have you tried to plug it in, in other outlets?

Dec 20, 2007 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

7 Answers

Sceptre X9G Komodo IV


I have a 19" Sceptre Comodo display. After 3 years it got the problem everybody complains about. Took it apart yesterday.

There are 4 capacitors in a row on the power supply board (it has a socket for the power cord and is covered by a metal shield. The caps are barrel-like things standing upright on the side opposite to the power cord socket.) Two of them are 470 uFx 25 V, they are next to each other. In my case, one of them popped up and another one was bloated. I pulled out the power supply board (make sure you unplug the power cord and press the power button do discharge the high voltage caps before messing with your monitor) after disconnecting all sockets (mark'em!). I assume that you have new caps handy (I paid $2.10 for a pair at a local electronics store), they must have the same capacity and voltage rating. Now grab a soldering iron, remove old caps, and put new ones in. You must observe polarity! (Usually "minus" pin is labeled on the cap's side. Mark down "minus" and "plus" pins location of old caps and put the new caps in exactly the same way! Otherwise, you can blow the caps.) If you are not used to work with a soldering iron, hire somebody or buy a new monitor. Check the quality of the work (no shorts, solid contacts, etc), assemble the monitor back and may be it will work (did for me). If it does, you put one monitor less into the city dumpster, be proud to get a working monitor for less than $5, and force you mother-in-law to take this shiny new replacement display she just bought back to the store.

Of course I do not guarantee that my procedure will work for and you can use it at your own risk only (i.e. I am not liable for any damages).



Nov 15, 2007 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

2 Answers

Sceptre X9G Komodo IV 19" Monitor


Hi dgp1952, Check with www.lcdrepair.net if you want a repair. Something is wrong with your backlight or the circuit supplying power to it. If your technically endowed, you may want to open the monitor case and clean the dust and lint from around the circuits using a Small paint brush to sweep away any built up dust. Dust can cause the circuitry to heat up faster and put the power supply into Clamp mode. Clamp mode will turn the supply off to certain circuits which may be the reason your display is going black after 5 minutes.

Oct 09, 2007 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

2 Answers

Sceptre X9G-Komodo IV


I recently came accross one of these monitors (Planar PE191M) with the identical issue. The resolution was to replace the two 470ufd 25V capacitors that are located on the main power board. The main power board also contains the audio circuit and more importantly the inverter circuit that drives the CCFL backlighting. The suspect caps were identified using an ESR meter; if you happen to have one of these meters you can confirm this is the issue with your unit(s), alternatively you can just replace the two capacitors and see if it resolves your issue. Hope this info helps someone out there.

Sep 05, 2007 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

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