How To Replace NEC Tokin High Speed Decoupling Capacitor In Toshiba Laptop
The most common problem in Toshiba laptop are blue screen, won’t work with adapter, won’t install OS, white screen , CPU is overheating and the solution is to replace the NEC Tokin high speed decoupling capacitor.
Below are the steps to replace the capacitors:
This article was prepared for you by Mabrouk Mohammed Ali from Tunisia. He is working at a training center here and an expert at Fixya Website.
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Mervin
February 6, 2015 at 1:01 pm
Nice job!
Yogesh Panchal
February 6, 2015 at 2:39 pm
Good job , Sir did you replaced the new capacitors or just rework???
thanks for sharing.
Frank Webster
February 6, 2015 at 8:27 pm
These have been the best I could find anywhere to help us repair all of the associated small electronics brought in to us
Robert Calk
February 6, 2015 at 9:31 pm
Thanks for the tip Mabrouk.
Andre Gopee
February 6, 2015 at 11:22 pm
Interesting, I have one of these Laptop and it gives the same problem... I couldn't fine the problem and I shelved it for a while now. I will check on these Caps and see if it works. Nice job and keep up the good work.
Humberto
February 7, 2015 at 12:17 am
Thanks Mabrouk Mohammed Ali, this is a commom faulty in Toshiba laptops.
Amir Mukhtar
February 7, 2015 at 1:50 am
Thanks you Mr. Mabrouk Mohammed Ali to sharing Toshiba Laptop Common Problem Solution. I am very greatfull to you .
Keep Sharing your Expertise Articles to Learn ERG Members.
Thanks you Again
Amir Mukhtar Ashrafi
moshe
February 7, 2015 at 8:15 am
very interesting..thanks for sharing. Does the cover covering the 2 capacitors simply flip off?
mabrouk
February 7, 2015 at 6:02 pm
use adesive double sided tape to attach the cover to the 4 cap
peter
February 7, 2015 at 11:40 am
I could not get any sense of scale looking at the pics.
How big is the cap you replaced?
What sort of solder paste (not many of us amateurs have it on hand) & what tool to manage the solder process.
Finally how to check before reassembly.
mabrouk
February 9, 2015 at 7:02 pm
simply use a 1.5mm solder wire and soldering iron, you can learn more about soldering techniques: https://www.youtube.com/watch?v=5uiroWBkdFY
moses
February 7, 2015 at 4:04 pm
Love ur repair work ... Can i speed up my laptop compac nc6230 by any repair soldering work?
mabrouk
February 9, 2015 at 7:08 pm
soldering work can't speed up your laptop, here i'm showing a problem about power supply of vcc_core, but you can upgrage your memory to 2GB one module per slot and use Intel Pentium M processor 780* (2.26-GHz, 533-MHz FSB, 2-MB L2 cache)
Tito
February 7, 2015 at 4:22 pm
Thanks for sharing Mabrouk but I have the same question asked by Moshe
Zigurds
February 7, 2015 at 4:22 pm
Very good topic, great solution.
Momchil
February 9, 2015 at 12:33 am
THERE IS A SOFTWARE SOLUTION!!! I had a BSOD problem with an old notebook Toshiba Satellite series(probably L300 or something like that) but the BSOD was only when it was working with adapter (and with the battery only there were no problems). I went in device manager while only on battery and disabled the CPU (processor). What it does is not really disabling the CPU but disabling the real-time dynamic change of cpu frequency which indeed was causing the problems. After the restart the notebook was working with the adaptor. The only drawback to this solution is the CPU will work only at MAX FREQUENCY which could cause overheat if there are other problems like dust, damaged fan or thermal module.
shahid ahmad
February 9, 2015 at 4:58 am
good
Ravi
February 9, 2015 at 9:21 pm
Dear sir
Thanks for sending emails.
I have accer laptop model: 5746 sound is not clear hissing sound is coming pls guide me
Fernando Frias
February 12, 2015 at 9:02 pm
Check first the software in default audio by your laptop
Go to Start menu
Control Panel
Find the Sound icon
then Click it to the Icon
and there is pop up settings of the sound
you can see if there is Speaker default or Realtek Digital output
if the speaker is by default double click
the Speaker Properties will pop up
unthick the disable the sounds effect
and click Ok then to listen the audio of your laptop Play some audio
jojo reyes
February 19, 2015 at 5:27 pm
good day sir .i have a laptop toshiba old model seies..satellite L20.model PSL20L-00x011.Can i upgrade this and how many gig can i install.? What is the safe parts and model that can i use that will not damge my whole unit.It is only 1.73GHz ,0.99 of RAM..intel(R) pentuim (R)M,Thanks a lot for sharing your knowledge.im an amateur technician here in the Phillipines.
jamal sekou
March 14, 2015 at 12:24 am
I am Mr. jamal . I reparateur electronicien in Morocco I have read almost all your books on electronics and wish to have a plasma tv repair of training and tablets thank you.
Jestine Yong
March 14, 2015 at 10:51 am
Hi Jamal,
You can try Damon's ebook on plasma tv repair at http://www.plasmatvrepairguide.com . As for tablet sorry no info on such ebook.
Jestine
Robert Calk
March 14, 2015 at 11:30 am
Damons book is excellent.
Edward
June 2, 2015 at 8:32 am
My son has a Toshiba L305 s5937 which had all the problems outlined and remained that way for more than 8 months; then I replaced the capacitors with new ones which I ordered online and now the laptop is working great. This shows that the "nec\tokin" capacitors were actually the problem and this was after I changed, adaptor, power jack, clock battery and tested the main board several times.
Jeremy
June 23, 2016 at 1:44 am
why should one scratch of the green vanish between the plates?? is that necessary+?
I am just about to, please advise me!!!