Question about Computers & Internet

1 Answer

Pushing power switch to turn PC on, nothing. Found C1 capacitor on the supply printed circuit blown apart. 10uf 50v. What is the chance this took out the motherboard? How can I tell if it took the motherboard out before buying new replacement power supply? Thanks

Posted by on

Ad

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    Hot-Shot:

    An expert who has answered 20 questions.

    Corporal:

    An expert that hasĀ over 10 points.

    Mayor:

    An expert whose answer gotĀ voted for 2 times.

  • Expert
  • 44 Answers

Chances are about 35% it toasted your MB 65% it didn't. REplace it and see if your PC boots and run properly. If it does the MB is more than likely good.

Posted on Sep 12, 2009

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Cuisinart CPT-180


default_avatar.png Dale Anderson
1- Crumbs or part wearout may be keeping the plastic latch from engaging. If you have the toaster apart, you can compare the arm latching action of the good side with the bad side--maybe there is an obvious difference in the travel of the arm that keep it from engaging.---leaving the travel short even 1/8" can keep the latch from engaging.

2- If there is nothing obviously mechanically wrong, then it may be a control board malfunction. Make sure the 3-pin control board connector is plugged into the transformer/solenoid board. Since you are getting lights, this should be OK. You have at least one good board (the side that works) so you could plug that board into the other side to see if the arm stays down. For fun, you can plug the bad board into the other side to see if the other side now malfunctions. If the problem follows the board, then you have your answer.

If you know someone that understands electronics, they may be able to repair the board--have them look at electrolytic capacitor C1 and make sure it is good. If that part is bad, it can be replaced for about $1 by going to Fry's and purchasing a replacement capacitor. After a couple of years of use, a defective C1 may "dry out" and cause control board problems.

  • I repaired the same symtom that happened to one of the sides of my CPT-180 toaster. The magnets wouldn't engage due to a bad C1 capacitor on the circuit board that controlled that side of the toaster--the capacitor was bulged out on the bottom and turned out to be bad. I've attached some photos showing C1 bulged out compared to C1 on the good board.
    C1 is the main power supply capacitor and if it goes bad, the circuit board power supply won't function correctly. This can lead to a broad spectrum of problems like the lever not staying down due to the magnets not engaging or the toasting control/timing circuits malfunctioning. If you replace the capacitor, it is best in most cases to replace with the same value as the orginal (220uf on my toaster)---you can usually get a replacement capacitor at Fry's Electronics. Replacing with a higher capacitance may be acceptable, but you should understand the impact to the rest of the circuit before you substitute a higher capacitance value. The voltage rating and temperature rating of the replacement capacitor should be the same or greater or the capacitor will fail quickly. Note the max temperature rating of capacitor C1 is +105C---toasters get hot (duh!) and the temperature around the circuit board of this model gets quite warm, so the temperature rating of the capacitor is critical. Finally, make sure the substitute capacitor fits when installed (requires soldering) and does not interfere with surrounding circuitry or other toaster mechanics when the circuit board is put back in place.
    Pictures:
    C1_location (next to screw)
    Comparing_good_C1_with_bad_C1--note bulge on bottom of right C1
    Right_orginal_C1_and_left_replacement_C1
    Bad_C1 showing capacitance, voltage and max temperature ratings
    5487aa4b-7e7d-4e6f-9542-cf9ff618008c.jpg2d853c87-48b6-4735-99f4-fdd5dbc60ffe.jpge1a82299-a243-46e1-b11b-4c20e0d9b304.jpg5543b7e5-8108-4b1d-bed3-90eee4600722.jpg
    Jun 24, 2014

May 26, 2014 | Cuisinart CPT-180 Metal Classic 4-Slice...

2 Answers

LCD TV won't turn on- power light flashing


This is a very common symptom of a failure in the power supply board. The failure is caused by parts called capacitors. Here is a link to information on what needs to be replace on the power supply board to repair it. It is an easy repair, takes about 20 minutes.

http://www.ccl-la.com/catalog/product_info.php?cPath=95_97&products_id=216

Jul 21, 2012 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

I have a Channel Master cm-7000. It won't turn on. The red light is on it won't turn on with the remote or by pushing the on button. I tried unpluging it and pluging it back in and all that happens...


This is a common problem. There are several capacitors on the power supply and logic board that are bad. Replacement of these parts has restore all units that I have looked at.

On the power supply I would replace at a minimum:
C14 - 4.7ufd 50v UPW1H4R7MDD
C4 - 1ufd 50v UPW1H010MDD
C8 - 100ufd 25v UHE1E101MED
C10 - 470ufd 16v UHE1C471MPD
C12 - 1000ufd 10v UHE1A102MPD

There are 4 others in the supply that were not grossly bad.
C1 - 22ufd 400v EEU-EE2G220
C7 - 220ufd 25v UHE1E221MPD
C11 - Same as C10
C13 - Same as C10

Logic board:
E5 - 33uf 35v EEU-FM1A471
E6 - Same as E5

Part Numbers of replacement caps are Nichicon or Panasonic.

Note: Caps on the logic board are extremely hard to replace due to the internal ground plane.

Contact me if this is beyond your skills for possible repair.

Sep 07, 2011 | Digi Channel Master/tal to Analog...

5 Answers

Viewsonic VX922 monitor no power


I had the same problem with my VX924. The two 470uFx25V was blown, and the output diode was in short circuit. I also noticed that the 33R SMD resistor (to pin 6 of SMD IC) was opened. After replaced these parts, the monitor works great.

Aug 31, 2009 | ViewSonic VX922 19" Monitor Flat Panel

2 Answers

My Sanyo dp50747 will not turn on


Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. Or, it maybe something simple like a blown fuse inside the TV.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

I hope I shed some light on the subject for you.

Jul 07, 2009 | Sanyo Televison & Video

3 Answers

Problems with my LX200 Classic


C1 and C2 are on the input of a voltage regulator. The fact that they burn, could mean that their voltage rating has been exceeded (check the voltage across them), or that age has caused their failure. The classic uses about 18 volts into the power panel - see that it is not higher than that. The handpad would not be a cause for this to happen as it is not the source of the power. Replace the caps with similar ones, but with higher voltage rating - 50v is fine. But check your power supply first!

May 04, 2008 | Meade LX200GPS Telescope

1 Answer

Problems with my LX200 Classic version


C1 and C2 are on the input of a voltage regulator. The fact that they burn, could mean that their voltage rating has been exceeded (check the voltage across them), or that age has caused their failure. The classic uses about 18 volts into the power panel - see that it is not higher than that. The handpad would not be a cause for this to happen as it is not the source of the power. Replace the caps with similar ones, but with higher voltage rating - 50v is fine. But check your power supply first!

May 04, 2008 | Meade LX200GPS 10 in. Telescope

9 Answers

Horiz. lines across top of screen.


I agree with solution #2

I recently had my phillips 27" model 27PT6341/07 repaired after warranty expired due to white lines appearing at the top of the screen. The shop advised that it was a capacitor giving me the problem. So, after getting it back, I examined the repair job and the shop had replaced a capacitor at the back of the main board, next to the rear rca inputs. It is labeled 10uf 100v. I was told that it would fail again soon because it is a manufactures defect. For me it is at location 2465. Here are a couple of photos of the part.
http://farm4.static.flickr.com/3215/2337629026_eaa30cfa18.jpg?v=0

http://farm3.static.flickr.com/2411/2337627420_b45bbf1a74.jpg?v=0

Good luck,
Ed

Nov 13, 2007 | Philips 27PT6441 27" TV

2 Answers

Zenith TV B32A24Z


You have a power supply problem. On this set the entire board is available for exchange but it is most likely not going to be worth the repair as these boards run for about 120 to 145 bucks. Good luck

Jun 05, 2007 | Zenith B32A24Z 32" TV

Not finding what you are looking for?
Computers & Internet Logo

Related Topics:

55 people viewed this question

Ask a Question

Usually answered in minutes!

Top Computers & Internet Experts

Doctor PC
Doctor PC

Level 3 Expert

7733 Answers

kakima

Level 3 Expert

102366 Answers

David Payne
David Payne

Level 3 Expert

14161 Answers

Are you a Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...