Dead router repair - no power solution Cisco Linksys Belkin WRT
ฝัง
- เผยแพร่เมื่อ 5 ต.ค. 2024
- It is step by step tutorial manual how to repair totally dead (short circuit) WRT router after wrong PSU failure. Shown diode must be replaced, but with correct PSU it will works without it. Enjoy!
Sown device is Cisco Linksys WRT1900AC by Belkin, same issue and solution works for other routers from WRT series, WRT3200ACM, WRT 1900ACS, WRT32X, WRT54G
--------------------------------------------------------
Song: Jim Yosef & Side-B feat. Q'Aila - On Our Way (Mario Ayuda Dub Mix) [Concordia Recordings]
• Jim Yosef & Side-B fea...
--------------------------------------------------------
--------------------------------------------------------
Song: Qaayel - Scars (Instrumental Mix) [Concordia Recordings]
• Qaayel - Scars (Instru...
--------------------------------------------------------
Successfully revived another seemingly dead WRT1900ACS. All leds were just only blinking madly. Thank you so much!
you are welcome
Top information, fixed my router WRT3200ACM. The diode surface mount just pops off with a very thin screwdriver blade. I did heat the diode directly with a soldering iron to soften the solder so as not to damage the surface.
WOW! it worked. No soldering iron needed as diode just popped off with slight pressure from smal flat screwdriver. THANKS
you are welcome
OMG you are the man!! Thank You!! took diode out and it works great, ordered new diode. thank You!
Can you tell me the part # for the diode?
please tell us the part number
Diode code: LS 69 BG
you are welcome
@@KuyaYlerich_Vlog I'm not getting anything from that number. Do you mind sharing the site you got it from?
Recovered my WRT1900 after lightning took out my power supply. Pulled diode and all is well for this trusty old $250 router I thought was destined for the ewaste heap. Taught my kids about it as well. Hope kids learn to perform this kind of repair rather than tossing at first sign of trouble.
Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
Great tutorial. This has fixed my problem with my WRT1900ACS!
you are welcome
Thanks for this instructable. I used it on a WRT 3200 that I accidentally connected to a laptop power supply. Eventually I'll replace that diode.
Super! My congratulations! Looks like all new wrt has same power in line with this diode. Subscribe to my channel! Thank you for watching my channel!
Thanks for this video, now I know how to take this thing apart, mine is WRT1900AC V2 and it has the well documented problem of dim LEDs (power, internet wifi), only solution is to replace them
You are welcome! Subscribe to my channel! Thank you!
I replaced the LEDs on my WRT1200AC with the same sized LEDs (0603 size) and they only lasted a couple weeks and got dim again! I replaced those with 0805 sized LEDs, which is the next size up I believe. These seemed to last longer, but not sure how long as I gave this unit away. It's a bad design, they are running too much voltage to very tiny LEDs to make them match the brightness of the larger LEDs used for the LAN activity lights. Bad design! I currently have a WRT32X with the same problem.
Put OpenWRT firmware on these units and you will have some serious uptime. Love these WRT units overall, just a shame about the LEDs.
@@8bitSLiVeR Hi , thanks for the info and yes you are right I change all mine and last week the "Power Led" burnt out again all others are still working for now, will wait a few months and may have a ago with the large ones, other tan that the unit itself works fine. Cheers.
@@8bitSLiVeRWRT32X của tôi đèn led ( nguồn, wifi ) bị mờ, còn lại hoạt động tốt, tôi không biết cách sửa chữa cho sáng lại
Thanks for the video. With your help I was able to fix everything :)
you are welcome!
2021 and this video is still providing assistance. 👍
Thank you!
This does work, but unfortunately there must have actually been something wrong on the board with mine, because about 6 hours after I plugged it in, flashed openwrt and put it in service, it died. I get a flash from the lights when I plug it in and flip the power switch now, but no attempt to boot. Hopefully I can find the problem, but it was a gamble on a 'for parts' ebay router, so I didn't pay much for it. ***edit*** Not sure how it worked for 6 hours, but I took it apart again to inspect the board and discovered I had left a tiny piece of solder in where the diode was. After removing that I'm up and running without issue!
Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
I did not have this problem but needed the case cracking info. Thanks!
You are welcome! Subscribe!
Not sure what it is, but probably a regular silicon diode, nothing fancy I think. I would venture a guess that it's a transient protection diode that suffered a power surge and shorted out, which is very common. One would think they'd lose connectivity all together, but they short out 9 of 10 times and causes that blinking-behavior as seen on the power adapter's LED.
This is also why it's important to use the designated power adapter and never plug in a regular transformer as it could fry the whole thing and itself.
Switching power supplies have a current sense, so in the event that a resistance drop (A.K.A short-circuit) occurs, the fault-level inside is triggered and prevents it from sending all the juice, and keeps probing the output which causes that blinking behavior.
Any diode in a critical spot like this should be replaced and not simply removed, not for the above mentioning alone, but also in the event there's a lightning strike nearby that would cause voltages and subsequently the current to increase above 12V and Amps way beyond specs.
A clamping diode (which is it's current function in this case) will act as a surge protector.
By omitting it, you're risking further damage in the event it occurs and might end up frying the whole thing. If you're lucky it'll stop with the VRMs (Voltage Regulator Module) and it might be repairable, but chances are that it might gone pass those and damaged a whole bunch of other components.
Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
Saved my wrt32x thank you
You are welcome! Subscribe
@@Josephovych done!
Thank you! Have a nice day!
Thanks very much for this fix, wrt3200acm is working again, not very good at changing diodes, what happens if i don't replace it at all :)
nothing wrong, my, which shown on this video, works every day and works now without any problems!
Thank you for this. I successfully un-bricked a WRT 3200 ACM that I accidentally hooked up to a 19V power supply. Are you aware of any downsides to removing this component? I *think* it was there to protect against reverse polarity, but I am not completely sure.
Thank you! If you replace it than there is no any downside, otherwise you lost revers polarity protection. You are welcome. Subscribe to my channel!
I believe it's actually a TVS diode, which stands for "transient voltage suppression". It's a diode that conducts above a voltage threshold. It's there to protect the rest of the circuitry from brief voltage spikes. The threshold it turns on is probably slightly above 12V, which is why a constant 19V supply burned it out. Removing it won't prevent the router from working, but if you ever accidentally connect a 19V supply again, it will probably cause more extensive damage.
Bro where do you get the diodes? Awesome repair
I never replace it, just removed dead one. And this router works now and all this time nonstop !
@@Josephovych I hear you, awesome I had forgotten about removing them i took the class years ago, I always thought of electricity as water running through pipes, and all that is, is a pass through to allow the voltage to travel one way and not back feed, hmmm
Thanks
You are welcome! Subscribe
What temp is your soldering iron at? I cannot get this sucker off. I'm afraid I'm going to damage the caps above it.
I might try to just gently break the circuit through the top of the diode, since it's starting to chip already. At least then I'll know if I already scorched the rest of the board or what.
I didn't even think the issue was the diode at first, I'm glad I found your video.
I got it off. Been meaning to come back and ask my question and also say THANK YOU to this guy because this fix this awesome router for me. Turns out I'm an idiot and also was using a crappy soldering iron.
You can get this information on google. Thank you for watching my videos! Please subscribe to the channel.
Hi, I have same router but lights doesn't turn on, tried through the app but still same, would you recommend any solution? Thanks
Out of curiosity, what is the amp rating on your power supply? I was having the same issue due to the power supply only providing less than 1 amp. The sticker calls for 4 amps. My 1 amp would turn it on but the post would draw too much power and the router would shut off.
I can’t say for sure, but check your PSU first, it may be a power problem. Thank you for watching my videos! Subscribe to my channel!
Absolutely, it may be a power problem. Must check it first of all. Thank you for watching my videos! Please subscribe to my channel!
Thank you!!! I finally got mine to work! The only this is that if I move the power cord where it connects to the router, it restarts the router. Do you know what would cause that?
Look at socket soldering and socket condition. Try to change PSU connector. Im sure it is power connection problem. Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
THANK YOU. And, is it safe to plug in USB after this?
This fix works 100%. The first time I noticed something was wrong with my router was when I plugged in a usb, and my router started going CRAZY. Every light flashing randomly, turn off for a split second, turn back on, every light going crazy again, etc, even when I unplugged the usb. Had to turn it off and back on. That's why I ask about the usb. I kept using the router for probably six months after that happened, but things went south really quick near the end.
Mine router works without diode and with connected to USB external HDD for last 4 years nonstop and without any issues. Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
@@Josephovych Thank you. It has been a while and I have never tried it because I figured better play it safe. :D Thank you so much again.
Thank you for this video,
I bought this router online and with this router I got the adapter 12V 500mA adapter with Input 120V
In my country the voltage is 240V so the moment I connected to the power smoke came from the router and the adapter also smoked.
Is there any way I could fix it or the main board is fried ?
For sure you need new PSU for 220-250v. And you must identify fied elements on the board. Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
weldone sir
Thank you! There is many interesting videos on this channel. Than you for watching. Please subscribe to the channel!
What were those beads of metal? Was it rose metal or woods metal? Also what diode should it be replaced with? The part number for mine is LS 48 BG, but I can't find any reference materials on it or figure out what would be a suitable replacement. Is it an opto-isolator or regular diode?
Please look for this information in comments for this video. I’m sure that someone already explained all this details. Mine works without this diode. Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
My wrt32x does light up when i turn it on but only for 1 sec , Would this fix it. The person was trying to flash it so i think they did plug the 5v pin into the jtag. would this kill it are would this fix it?
Can’t say for sure. Just check it, now you have solution. Thank you for watching my videos! Subscribe to the channel!
Wait! You put it back together without that diode? Mine isn't working. Took the cover off and it's hot under that silver shield. Doubt I can fix a bad chip. The lights come on but after a reset it still won't broadcast the SSID. It appears connected to the modem via Ethernet, even see Internet, but it won't broadcast anything so I cannot connect. I don't have an Ethernet option to connect with the laptop :(
You are right. Mine works without diode for last 4 years! Works good and without any issues. Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
I have one issue with ea9500 not going to on and back lights ethernets lights half on only
Thank you for watching my videos. Please subscribe to the channel!
What name of Diode D21? no need to replace it?
Thank you for this post it helped a lot..would this be the replacement diode? UDZ8V2B-7
Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
Did you leave the diode out? Mine turns on but no power light, esata light is solid on as is the Wi-Fi light but I can't connect to it.
Don’t know specific of your situation with this router, but mine still works without diode. But replace diode is more safe way to repair it.
Can anyone tell me the part number of this diode?
I plugged in an AC plug pack and the router started to smoke....bad sign!
Now dead as a door nail. Opened it up to find the diode was charred and I can’t read the part number.
Thanks
Bruce
just remove it
Pag nag over power din po ba yan din ung aalisin, halimbawa po 12v biglang nag 19v , yan din po ba ang aalisin,?
я не говорю по филиппински
thx but i have drop every 5 minuts and lost internet conection but the router still on i try reset but problem persist please help
it is not diode problem
Cómo reparar un Wrt54g que el led de power parpadea, no queda fijo al conectarlo?
И вам крепкого здоровья!
This crap router , never had any updates , mine is tosted - goone try fix it after this vid - thx
Router shown on the video was bought dead on eBay. And it works without any issues now! It works nonstop last 4 years. Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!
It's sad we have to do this with an "end game" product like this. I'm half tempted to just plug my Wrt54g back in instead of fixing this POS lol.
Thank you for watching my videos. Please subscribe to the channel!
anyone get the part number for the diode??
look at psu specifications and use diode for that current, mine still works without diode,
Very unintelligent! Stupid audio! Terrible video!
What’s wrong with you my friend? Why you left so strange comment? Thank you for the comment and you opinion! Please subscribe to my channel! Best regards!