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dell w5001c service manualSince the Dell wasn't smoking or on fire and looked like it was still in very good condition, throwing it away seemed like a waste. 3.Take it apart While my buddy contemplated what he wanted to do (see options 1 and 2 above), I resolved to just take the dang thing apart to see what I could see. I'm fairly electronics savvy and I love taking things apart, so this was an opportunity not to be missed. Disclaimer: The information contained herein is only a journal of my experiences. It is not meant as a tutorial for someone else to fix their own TV. If you use it as such, you do so at your own risk. Don't blame me if you destroy your TV or get hurt in the process. With that said, please continue reading. Add Tip Ask Question Comment Download Step 1: Symptoms 1. Blank screen 2. TV still powers up, blue led lights up, and relays click at turn on 3. Sound still works 4. Picture may come back for hours at a time but not reliably 5. Picture may appear for a split second when turning off. How it happened It all started one day when I went to turn on the TV and, while the power LED lit up and the power relays clicked as usual, the screen was blank. I thought it was on the wrong input so I used the controller to switch inputs but the on-screen menu would not show up either. The sound, however, was working so it was definitely on the right input already. I left the TV on for a while and after a couple minutes, the picture magically appeared. Great, it just needed to warm up I thought. After being left on for a couple of hours however, the screen went dark again. The TV was basically unusable because turning on the TV would usually result in just a dark, blank screen. Since the sound continued to work, I suspected something to do with the power supplied to the plasma screen proper. Add Tip Ask Question Comment Download Step 2: Teardown To access the power supply, one must remove the sheet metal backing to the television.http://cjsayles.com/~cjsayles/images/02-mitsubishi-lancer-owners-manual.xml

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This is quite easy and only requires a T20 torx screwdriver and a common philips screwdriver. There are many torx screws around the periphery, four large philips mounting screws, and a couple smaller philips screws. Once all screws are removed, the sheetmetal backing can be pried off the TV (in fact, it may fall right off after the last screw is undone so watch out!) It helps to have a friend at this point because handling the large back piece can be a bit unwieldy with one person. Add Tip Ask Question Comment Download Step 3: Testing the Power Supply Static Electricity Warning Some components on the power supply are CMOS integrated circuits and are therefore sensitive to static electricity. Before touching the circuit board, I make sure the TV is unplugged. Then, I touch a piece of metal on the back of the TV that is grounded, i.e. part of the metal frame or one of the mounting screws or mounting posts of the power supply board. This will dissipate any stored static electricity by the body and discharge it to ground. CAREFUL!!! This should only be done with the TV turned off and NOT plugged in. Otherwise, one might touch something with HIGH VOLTAGE and receive an electrical shock. In particular, stay away from the large heat sinks with the yellow stickers on them indicating high voltage. Overview The power supply is the large circuit board in the middle of the TV. It has many transformers, large capacitors, and a couple IC's. There are eight connectors attaching the power supply to the other circuit boards on the TV. The supply provides about ten different voltages; 190V, -180V, 60V, etc for the plasma screen as well as 3.3V, 5V, and 12V for the logic and digital electronics. The power supply circuit board contains a wealth of information including its part number and a table of the different voltages it produces along their signal names(Va, Vscan, Vstb, etc).http://www.wieswioska.pl/userfiles/02-mitsubishi-lancer-repair-manual.xml Test points for all these voltages exist on the left side of the board(looking at the power supply as it is mounted to the back of the television). How to test I used a multimeter to probe the voltages at the testpoints with the TV turned on. BE CAREFUL!!!! This is of course highly dangerous as HIGH VOLTAGES occur on the power supply and the TV was not meant to be run with the back off. Touching certain points on the power supply while it is powered can KILL YOU!!!! To be safe, don't touch ANYTHING inside the TV whilst it is plugged in. In fact, if you do not know what you are doing, just stop here. No point killing yourself over a stupid TV. If you dare. The RTN node (seen on the silkscreen at the top left connector(and others) ) is basically the common grounding point and is connected to Earth ground, the shiny metal backing of the plasma screen, and all the metal mounting pegs that the power supply is mounted to. The black or negative lead of your multimeter should be attached to this point. I just stuck the black probe into one of the mounting studs and let it hang there (out of the way) so I could probe using the other(red) lead of the multimeter with one hand. Start off with the TV unplugged and turned off. Attach the negative or black lead of the multimeter to any mounting stud near the power supply board. Now plug in the TV and make sure nothing explodes. Now turn on the TV with the remote control and again make sure nothing explodes. Is the screen blank. If so, good. You'll be able to probe the test points on the power supply to determine which voltage is not being produced. In my case, it was Va which is supposed to be 60V. Make sure to make a good contact between the testpoint and the multimeter probe. If the contact is poor, the voltage readout may look as though it is fluctuating between the spec'd voltage and some lower voltage. For example, if the spec'd voltage is 180v, not pressing hard enough to connect the probe and the testpoint may result in a readout that wanders between 180v and 50v. If all the voltages are being supplied and withing spec (as shown on the power supply's silkscreened voltage table shown in the fourth picture below), your power supply is most likely functioning correctly. Your problem may lie in a different area. Numerous people have mentioned a problem with their Y-Buffer, the circuit boards flanking the left and right sides of the plasma screen. Specifically, whitby905 (see the comments section) has found that the lower left Y-Buffer board was contacting the metal plasma screen backing and had shorted out. If your power supply checks out, look and smell for any indication that any of the Y-Buffers have shorted to the case. You may have to remove them and look on the back for shorted solder points. I don't have any pictures of this situation besides the one from whitby905 in the comments section. The proof that the current mode pwm control chip(KA3883) was the source of the problem came from heating just that part with a hot air pencil and watching the Va voltage go up to 60V then cooling the control chip(KA3883) with a can of compressed air and watching Va go back to zero. The part is defective and for whatever reason responds to thermal shock. This could have indicated a cold solder joint but, after checking, the solder joints looked fine. Diagnosis: defective KA3883. Additional Info: The power supply board is easily detached by removing about ten philips screws and disconnecting the eight connectors. If you want to test the board on the bench, away from the rest of the TV), you must use an isolation transformer. Plug in one side of the isolation transformer to the wall then plug in the board to a suicide cord connected to the other side of the transformer. This is so you don't die. You also need to know how to turn on the board without the remote control, right.ABQWINAIR.COM/images/02-manual-wap-settings.pdf This is done by simply connecting pin 'PS-ON' (found on connector CN8007) to ground(ie the RTN pin). I used a small jumper to short across from PS-ON to RTN. You can just leave the jumper there and use a power strip to turn the whole thing on and off. I traced out much of the relevent circuitry to make sure I knew what I was probing and so I could debug the Va circuit. The excellent layout and silkscreen notation on the Samsung board was very helpful. The Va circuit is mostly contained within the 500's numbered parts, ie U501, C501, R501, etc. If you are going to probe any of these parts with the board powered you MUST USE AN ISOLATION TRANSFORMER so you don't electrocute yourself or destroy the board, especially if you are using an oscilloscope or something that is not battery powered. Add Tip Ask Question Comment Download Step 5: Replacing the Controller Chip The first thing you need to do is get rid of the defective part, U501. One method is to remove the chip by getting rid of the solder holding it in place. Either use a solder sucker desoldering station (if you have access to one) or solder wick to remove the solder then pull the whole chip out. Careful with the solder wick. If you heat up a pad too much, you WILL lift a trace, effectively destroying the board. It's very hard so get it right with the solder wick. I used the desoldering station to clear the lead holes. Then, I attached the SIP sockets to the new part, placed it into position, tacked the part by soldering pins 1 and 8 to hold it into place, and then soldered the rest of the pins. The reason for using the SIP sockets and not a normal 8 pin socket is because the width of the holes is unusual. DIP parts are normally 300mils wide however the width used on this board for the DIP parts is about 340mils (when I say width I mean from say the center of the hole of pin 1 to the center of the hole of pin 8.) A normal 8 pin DIP socket will not fit, hence using two strips of SIPs. Try digikey ED7064.http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16266e83fa2c6e---canon-eos-300-manual-slr-camera.pdf This way, there is no desoldering and you'll have a socket there to make it easier if you have to replace the part again. You must be very careful when using a small side cutter to snip the leads from the chip (this is the simplest way to do it however). The action of the cutter will push the lead and the chip to the side, putting lots of stress on the hole that the lead is soldered into. Again, damage of the circuit board could result. This required a steady hand, but it avoided putting any stress on the board. Watch out because when you touch the soldering iron to the lead you will also melt the solder in the lead hole and the lead may move, fall through, or cock to one side. You might try first soldering a solid wire to all four leads on one side to keep them in position as you solder the SIP sockets. Make sure you install the new part with the right orientation. Otherwise you'll probably blow a fuse on the board(best case) and may take out some other parts as well. Add Tip Ask Question Comment Download Step 6: Conclusion Now install the board back onto the TV, and connect only the smaller connectors to test the board. Plug in the power to the TV and turn it on with the remote. Probe the Va testpoint with a multimeter to see if it is between 55 and 75 volts. If so, the repair worked. Turn off the TV, unplug it, and install the other connectors to the power supply board. Install the backing onto the TV and you're done. Congratulations! Your roommates now think you're a genius. Add Tip Ask Question Comment Download Share it with us! I Made It! Recommendations DIY Laser Engraver With RGB Then stays behind and changes scene again and developes another imprint of that scene. It builds up until most of the screen is black. I can change the cable channel to the channel menu page, then back to what I was watching and it's all clean again. I have to do this every couple of minutes.Yesterday, it died again (same symptoms).BANGDIENTUNHK.COM/upload/files/76cs-manual.pdf I was eyeing a nice new 4K panel, but figured i give another try at fixing it. This time I found the D5V supply was low. The info in this thread helped me again, pointing me towards capacitors, and sure enough mine looked to be bulging a bit. A quick run to Radio Shack and i had some replacements. They didnt have 2200uF 10v, so i had to use the much larger 2200uF 35v. The Dell is up and running again.I bought my Dell W5001C brand new from the Dell site and when it was delivered, I was like a kid again. Then 1 year later, almost to the day, and of course the warranty had expired, it went out. All the symptoms explained above. No screen but sound, blue power LED was lit. I would turn it on, it would give the audible click and then almost immediately another click. I called Dell and of course they wanted the thing shipped to them via insured courier to their buildings in the Bay Area of California. All at my expense, mind you. I quickly packed the thing back into its box and stored it away. The draw back was that I would have to disassemble all of the boards from the TV and send them to this guy in San Jose, California. He sent the boards back to me about 4 days later and I reassembled the TV.For almost 1 year EXACTLY to the day. Now the same problem. When I got the boards back, I looked real close to what might have been replaced. The only thing I could see was that he had replaced 3 or 4 capacitors on the main PCB. I am going to attempt this on my own this time, but, I am really hoping that this is not a dead thread just in case I need some backup. Are you game, mr12volt?? Just keep in mind that these tv's can fail in a number of different ways. Make sure the first thing you do is measure the voltage on the Va test point on the power supply board. The solution I detail will only work if the Va voltage is zero. I get emailed when someone posts a comment so if you have any further questions I will see them. By the way my buddy's TV is still going strong.https://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16266e84c87e1d---canon-eos-300-manual.pdf 0 headylinton mr12volt My son has decided to try replacing the mini-banana plug connections and we can't seem to find them small enough. We REALLY hate to let go of this tv just because the speakers aren't working. You'd think we could just replace with other speakers but my son says no, it can't be done. Any thoughts? 0 No1sBoy musicgirl77 I don't know why he is saying it can't be done.A year later and still haven''t gotten to my Dell. But this is the weekend. I've researched and researched and it turns out that the 5v power problem seems to be a universal one. The W4201 and W5001 plasma TV's from Dell from 2005-(2007 I believe) were manufactured by Samsung and packaged as Dell. All have the same failing. If not late tonite than first thing tomorrow for sure. 0 mongiatbell No1sBoy I happened to finally find a repair manual for it. It was listed as Phillips system.I added it to my Dropbox account so anyone can download the PDF file. I can't thank you enough for finding the manual. What a great thing to have. With no parts list I purchased a replacement power board from a tested vendor on E-Bay for 40 bucks. It shows up in a few days. When it does I will send pics and info on the registration and setup. The crucial part as with any set is having the right video output for high def (most computers do now) and having the right image files for true resolution. The resolution files are freeware now but a good primer on use and free files is at I am not associated with them and I am not selling anything. I hope this helps. 0 TJNoffy I had two caps on the PS board go bad (bulging) in the 5v circuit and replaced them. TV has worked great since. Today the Mrs. Was watching the TV, muted it to look down at her computer, heard a click (relay?) and looked up to see a blank screen. I've cycled power a few times, unplugged and plugged it back in. Nothing. Blue LED in the power button lights up when it's turned on at the power button, but no splash screen and no audio nor video.https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16266e88b4d6fb---canon-eos-300-rebel-2000-manual-pdf.pdf So I've taken the set down to open it up for a visual inspection and to measure some voltages. I'll report back what I find, but if it's nothing obvious or something I can't or don't want to pay to fix, I may be off to Best Buy for a new TV. Not sure that was the case before. All voltages seem OK, although the 5v line is at 5.2v. Not sure if that's enough of a difference to matter. (Thoughts anyone???) There is also a slightly bulged capacitor (C619) that looks to be part of the 5v line. It's as bulged as the two I replaced two years ago to fix the TV, so it makes me suspicious. So, I guess I need to decide if it's worth pulling the PS and that capacitor and replacing it. No good electronics stores in the immediate area. A good hour drive. 0 TJNoffy TJNoffy It shut itself off a couple of times. Anyway, we decided that if this TV is going to fail more and more, we'd replace it. Getting used to the difference between LCD and plasma.Will pull that once bulged capacitor from the PS and replace it and go from there, but not going to spend too much time or effort on it. If anyone has any thoughts on whether the 5v test point reading 5.2v could cause issues, I'd love to hear from you. Thanks! 0 No1sBoy TJNoffy Sounds exactly like the problem I am having. Power looks fine on the board. Have you checked out the X and Y buffer boards? 0 mongiatbell No1sBoy I have linked all of the pro service manuals I was able to dig up on this TV in this thread already, but, here they are again. Hope these might help. 0 mongiatbell No1sBoy. No user account needed.:-) Download Repair Manual s,. This service and repair manual is used by. Answer questions, earn points and help others. Manual is in.pdf format for easy download containing do it userself manual and tutorial set-up. Manual is designed to help you fix minor issues withDELL W5001C, like fixing, setting up, Warranty, Trouble shooting steps and operating instructions. Please read this manual carefully before operating.BAINIHU.COM/upfiles/editor/files/76cs-manual.pdfRetain it for future reference.Record model number and serial number of the set.See the label attached on the back cover and quote this information to your dealer when you require service. However, we have a download limit of 3 PDF manuals for each visitor, so make sure you only download the type Dell W5001c ManualHave a nice and happy day! We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services. Using the online preview, you can quickly view the contents and go to the page where you will find the solution to your problem with Dell W5001C. To start viewing the user manual Dell W5001C on full screen, use the button Fullscreen. However, if you do not want to take up too much of your disk space, you can always download it in the future from ManualsBase. The option to print the manual has also been provided, and you can use it by clicking the link above - Print the manual. You do not have to print the entire manual Dell W5001C but the selected pages only. paper. If you want to quickly view the content of pages found on the following pages of the manual, you can use them. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.If you do not wish to be bound by this Agreement, you must notify Dell immediately and returnNew and refurbished Product that you purchase directly from Dell (and not a third party) you may return or exchange only in accordance with Dell's return policy in effect on the date of the invoice or acknowledgement. Any returns or exchanges will be made in accordance with Dell's exchange policies in effect on the date of the return or exchange. You must contact us directly before you attempt to return Product to obtain a Return Material Authorization Number fYou agree to comply with all applicable laws and regulations of the various states and of the United States. You agree and represent that you are buying only for your own internal use only, and not for resale or export. Dell has separate terms and conditions governing resale of Product by third parties and transactions outside the United States. Terms and conditions for resale are located at: 11 GTo determine which warranty came with your hardware product(s), see your packing slip or invoice. The following sections describe the limited warranties for the U.S., the limited warranties for Canada. Limited Warranty for Dell-Branded Hardware Products (U.S. Only) What is covered bThe limited warranty on all Dell-branded products begins on the date of the packing slip or invoice. The warranty period is not extended if we repair or replace a warranted product or any parts. Dell may change the availability of limited warranties, at its discreNOTE: Before you ship the product(s) to us, make sure to back up the data on the hard drive(s) and any other storage device(s) in the product(s). Remove any confidential, proprietary, or personal information and removable media such as floppy disks, CDs, or PC Cards. We are not responsible for any of your confidential, propriThat is why we offer a Total Satisfaction return policy for most products that you, the end-user customer, purchase directly from Dell. Under this policy, you may return to Dell products that you purchased directly from Dell for a credit or a refund of the purchase price paid, less shipping and handling and applicable return fees as follows: New HaThis limited warranty covers defects in materials and workmanship in your—our end-user customer's—Dell-branded hardware products, including Dell-branded peripheral products. What is not covered by this limited warranty.This limited warranty lasts for the time period indicated on your packing slip or invoice, except that the limited warranty on Dell-branded batteries lasts only 1 year and the limited warranty on the lamps for Dell-branded projectors lasts only 90 days. The limited warranty begins on the date of the packing slip or invoice. Dell may change the terms and availWhen you contact us, we will require a valid credit card number at the time you request a replacement part, but we will not charge you for the replacement part as long as you return the original part to us within 30 days after we ship the replacement part to you. If we do not receive the original part withinIf you are an end-user customer who bought reconditioned or refurbished products from Dell, you may return them to Dell within 14 days after the date on the packing slip or invoice for a refund or credit of the product purchase price. In either case, the A statement in the form of “IC Class A ICES-003” or “IC Class B ICES-003” will be located on one of these labels. Note that. All. Art. Craft. Food. Games. Green. Home. Kids. Life. Music. Offbeat. Outdoors. Pets. Photo. Ride. Science. TechTable of ContentsThe TV is about 4 years old, and it is out of warranty. Even the three yearShipping or transporting the TV to a repairIf repairs are more than. Since the Dell wasn't smoking or on fire and looked like it was still in very good condition, throwing itWhile my buddy contemplated what he wanted to do (see options 1 and 2 above), I resolved to just take the dang thing apart to see what I could see. I'm fairly electronicsThe Bottom Line. Disclaimer. The information contained herein is only a journal of my experiences. If you use it as such, you do so atWith that said, please continue reading.How it happened. It all started one day when I went to turn on the TV and, while the power LED lit up and the power relays clicked as usual, the screen was blank. I thought it was on theThe sound, however, was working so it was definitely on the rightGreat, it just needed to warm up I thought. After being left on for aThe TV was basically unusable because turning on the TV would usually result in just a dark, blank screen. SinceTo access the power supply, one must remove the sheet metal backing to the television. This is quite easy and only requires a T20 torx screwdriver and a commonOnce all screws areImage NotesImage NotesImage NotesStatic Electricity Warning. Some components on the power supply are CMOS integrated circuits and are therefore sensitive to static electricity. Before touching the circuit board, I make sure the TVCAREFUL!!! This should only be done with the TV turned offIn particular, stay away from the large heat sinks withOverview. The power supply is the large circuit board in the middle of the TV. It has many transformers, large capacitors, and a couple IC's. There are eight connectors attachingThe supply provides about ten different voltages; 190V, -180V, 60V, etc for the plasma screen as well as 3.3V, 5V, and 12V for the logic and digitalThe power supply circuit board contains a wealth of information including its part number and a table of the different voltages it produces along their signal names(Va. Vscan, Vstb, etc). Test points for all these voltages exist on the left side of the board(looking at the power supply as it is mounted to the back of the television). How to test. I used a multimeter to probe the voltages at the testpoints with the TV turned on.Touching certain points on the power supply while it is powered can KILL YOU!!!! To be safe, don'tIn fact, if you do not know what you are doing, just stop here. If you dare. The RTN node (seen on the silkscreen at the top left connector(and others) ) is basically the common grounding point and is connected to Earth ground, the shiny metalThe black or negative lead of your multimeter should be attached toStart off with the TV unplugged and turned off. Now plug in the TVNow turn on the TV with the remote control and again make sure nothing explodes. If so, good. You'll be able toIn my case, it was Va which is supposed to be 60V. Make sure to make aIf the contact is poor, the voltage readout may look as though it is fluctuating between the spec'd voltageFor example, if the spec'd voltage is 180v, not pressing hard enough to connect the probe and the testpoint may result in a readout that wandersIf all the voltages are being supplied and withing spec (as shown on the power supply's silkscreened voltage table shown in the fourth picture below), your power supplyYour problem may lie in a different area. Numerous people have mentioned a problem with their Y-Buffer, the circuit boards flankingSpecifically, whitby905 (see the comments section) has found that the lower left Y-Buffer board was contacting the metalIf your power supply checks out, look and smell for any indication that any of the Y-Buffers have shorted to the case. YouI don't have any pictures of this situation besides the one from whitby905 in the commentsBe careful!!Still some high voltages around here so be careful! Image NotesImage NotesImage NotesImage NotesGround yourself on one of these beforeImage NotesImage NotesMore testing in the lab revealed that the problem was a defective IC, U501 which is a Fairchild Semiconductor part KA3883.The proof that the current mode pwm control chip(KA3883) was the source of the problem came from heating just that part with a hot air pencil and watching the VaThe part is defective and for whatever reasonThis could have indicated a cold solder joint but, after checking, the solder joints looked fine. Additional Info. The power supply board is easily detached by removing about ten philips screws and disconnecting the eight connectors. Plug in one side of the isolation transformer to the wallThis is so you don't die. This is done by simply connecting pin 'PS-ON' (found on connector CN8007) toI used a small jumper to short across from PS-ON to RTN. You can just leave the jumper there and use a power strip to turn the whole thing onI traced out much of the relevent circuitry to make sure I knew what I was probing and so I could debug the Va circuit. The excellent layout and silkscreen notation on the. Samsung board was very helpful. If you are going to probe any of theseImage NotesImage NotesImage NotesImage NotesWires are soldered to the vacant vias and clip leadsImage NotesImage NotesThe first thing you need to do is get rid of the defective part, U501. Either use a solder sucker desoldering station (if you have access to one) or solder wickCareful with the solder wick. If you heat up a pad too much, you WILL lift a trace, effectively destroying the board. It'sI used the desoldering station to clear the lead holes. Then, I attached the SIP sockets to the new part, placed it into position, tacked the part by soldering pins 1 and 8 toThe reason for using the SIP sockets and not a normal 8 pin socket is because the width of the holes is unusual.