Question about E-Machines eMachines Desktop PC

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Can not power up

I have tried to connect this several times but to no avail board does light up
but will not power up all looks ok can you help I had changed the ram and put in a new power supply my board is a T2984 thanks

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To my personal experience eMachine MB's dies a slow aggravating death. I have had 2 that went janky and would take about 15 power up tries to boot. Probably the situation you are in now.

Did the power supply you had go bad? I seem to recall a bit of an issue with some older machines in the 2k series that when the Power supply died it took out the MB with it.

Posted on Oct 04, 2008

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Posted on Jan 02, 2017

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When my dishwasher finishes it no longer lets out 3 beeps and when you open the door there is no power even though the dishes are clean.


Hello J Arnott,

Sorry to say I'm here in the USA.. and I could not easily get a similarly designed model to reveal itself (for me) to gain a better understanding of your Hotpoint LFT114... (nor could I pull a FREE copy of your user manual (without registering or otherwise exposing myself to cyber-freaks (sorry)).

Regardless of the specifics.. suffice it to day your machine is NEW enough to be quite visible and relevant...
I looked over the LFT114 HA... Display board... Ā£42.93
(there are many LFT114

And your trouble description was quite excellent in detailing
as SEQUENCE failure of your control modules...

Although it is possible to repair these things ... it seems you have several PCBs (printed circuit boards)... replacement is usually the first best GUESS (looking at the back () side would not hurt anything)...

I have rescued many a circuit board by simply "de-soldering"...
then re-soldering a connection...
(special care, skill & tools required... not tough nor expensive).

You description and troubles indicated the beeps & lights missing: is a clear indictment of your "DISPLAY board"...

A reminder... don't touch any PCB you value without first grounding your hands (professionals use STATIC WRIST STRAPS... CHEAP (unlike circuit boards) & available EVERYWHERE).

Also... Take lots of pictures of EXACTLY WHERE every wire comes from... (look them over BEFORE you get in trouble).
Be patient & FORCE nothing.

and of course... be safe (REMOVE POWER).

Comment me back BEFORE you guess wrong... (I'll try to help) .

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Jul 15, 2016 | Hotpoint Dishwashers

1 Answer

The on light flashes many times, then the picture does not come on. turn it off and on several times. eventually a white striped screen comes on, turn off & on again, then maybe the picture will click


Yes,,

some of flat panel TV become faulty after a year/years because it have a life span..In that case,you TV gone to malfunction cause of faulty capacitors on the power supply board(that a common cause on that symptoms..'

Try to open the TV then look at the power supply board (that board is found next to the power cord or connected to the power cord)..

then look at the capacitors on that board..If you found leak/bulged replaced it immediately with the same type,ratings and value..

Hope it helps...

Dec 27, 2011 | LG Televison & Video

1 Answer

This is an LCD TV, the problem is the tv want power up until you you have pressed the power button on the remote several times. This takes as long as ten minutes. The green power indicator light will come...


Hi Harold,

First of all thank you for posting your question here at Fixya.

The symptoms you've described is a consistent power supply issue. It is caused by faulty(leaky/dried) electrolytic capacitor on the power supply board. In the first stage of the symptoms, warm-up will make itself stable that's why you need to unplug it a few times, turned the power button key several times before it will come on but the symptoms will get worst as time goes by, time will come that the unit will take more time to come on and/or will not even power up at all. If your unit is not under warranty period (if so, avail it because the manufacturer will fix it for free, opening the rear cover will void the warranty), take off the rear cover, inspect the power supply board, this board is where the power cord's directly connected. Look for leaky electrolytic capacitor, most of the time it has a physical indication of fault like bulged/dome at the top and can be easily identify through visual inspection. See sample picture below.



12_24_2011_5_03_27_am.jpg

This kind of symptoms encountered not only on LCD TV but in all type of TV like plasma, DLP, Projection and CRT. Watch the video below.








The technical part is, if the capacitor is not leaky (dried/no bulged, dome at the top and looks like fine), you must have a capacitor checker to determine its condition. If not available, you may replace all electrolytic capacitor on the output of the power supply board, it will not cost you much because it is one of the cheapest part on that board, cost only less than a dollar and widely available at electronics supply and online. Watch the video below for more info regarding electrolytic capacitor.



Soldering Tutorial

How to desolder parts on the board


www.ebay.com has an available capacitor repair kit for some Philips LCD model. Please double check your model number then type it on the search engine to confirm if they have an available for your model no.

Please let me know if you need further assistance.

Ratings and feedback are highly appreciated.

Have a great Holidays!
Good luck and take care!

Jdvillanueva

Dec 24, 2011 | Televison & Video

1 Answer

I have a 4011-tlxb will not turn on even the red light will not even light up. i have taken the back off and looked at the power cord looks ok took out the fuse in the plug and that is even still good. Do...


If you have a good voltage supply coming in and all fuses are good, and you do not have a standby light, then chances are your power board has failed. I have seen this problem on several Polaroids personally, seems to be a lot more common if the TV experiences extremely long 'on' times.

Did you check the fuse with a continuity tester? Sometimes fuses can visibly appear to be intact, but still be bad.

Here's the part number for the power board: Polaroid 909-KS1-GF4012XAPH Control Box

Hope this helps.

Sep 25, 2011 | Televison & Video

1 Answer

My LG takes a longtime to turn on, why?


hi,

You have to check the back light of your lcd TV. All lcd screen have a back light to illuminate the pixels. you can conform is the back light is faulty or not by watching the lcd screen nearby. Watch can you see any image (negative image) on the screen. you have to look very closely. if you see any image on the screen then the back light or the back light inverter is faulty.

first of all check all the electrolytic capacitors in the power supply and back light inverter board.If available then replace these capacitors first.

You have to check the back light inverter board. Normally in lcd monitors you can see three circuit boards. power supply, mother board, and the inverter board. If available then try to replace the inverter board. There are high voltage transformers in this board. There is a chance for its winding get short. You will not get the transformer in open market. Try for the inverter board .
ok

Jun 09, 2011 | LG 47 in. Flat-Panel LCD HDTV

1 Answer

My LG 21 int ch flat screen takes time to show pictures,the red button appears on and sound will be heard but their will be no pictures,they appear after some time please help me.


hi,

You have to check the back light of your lcd TV. All lcd screen have a back light to illuminate the pixels. you can conform is the back light is faulty or not by watching the lcd screen nearby. Watch can you see any image (negative image) on the screen. you have to look very closely. if you see any image on the screen then the back light or the back light inverter is faulty.

first of all check all the electrolytic capacitors in the power supply and back light inverter board.If available then replace these capacitors first.

You have to check the back light inverter board. Normally in lcd monitors you can see three circuit boards. power supply, mother board, and the inverter board. If available then try to replace the inverter board. There are high voltage transformers in this board. There is a chance for its winding get short. You will not get the transformer in open market. Try for the inverter board .
ok

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1 Answer

I was watching tv on tuesday morning when all of a sudden it completely shut down. It's done this before but has always retrieved power within minutes. It has almost been a week and still no response. Ive...


You have a power supply problem. If you are competent to delve into electricsl equipment, carry out the following, else get a tv engineer.
Remove the back cover and inspect the power supply which is the board connected to the mains lead. Look at all the capacitors which are shown below.
9e4478e.jpg
Make sure that none of these have bulging tops which can be seen below.

309a98c.jpg
If any have, replace them.If they all seem ok, remove the board and inspect all solder joints under the board. If there are any dry or cracked solder joints, resolder.
If everything seems ok at this point, you may have a faulty semiconductor on the power supply board. If you have no standby light at all, i would order a new power supply board.

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