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W701ds and friends - power jack issue?

W500/510/520 and W700/710 series specific matters only
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TheForgottenKing
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W701ds and friends - power jack issue?

#1 Post by TheForgottenKing » Wed Sep 18, 2019 9:54 pm

So I have had a W701 that needs a new power jack. I bought the replacement, and on the day it arrived, the power jack on my W701ds failed! And I've seen a few boards for sale that have DC jack issues. What's the issue with these?

Also, pinging wujstefan
wujstefan wrote:
How hard was it to replace the jack? Anything special, or just desolder and resolder?
Last edited by TheForgottenKing on Fri Sep 20, 2019 8:51 pm, edited 1 time in total.
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

moofish2842
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Re: W701ds and friends - power jack issue?

#2 Post by moofish2842 » Wed Sep 18, 2019 10:49 pm

Just wondering, does the dock power input still work? Knowing that may help with diagnosis. (I don't have experience with them at all)
T530 - i7-3632qm, 8gb RAM, NVS 5400M; motherboard upgrade from t520.
T430 - i5-3320m, 4gb
X230t - i5-3320m, 8gb; whitelist removed with Intel 7260an
Helix 1st Gen - i5-3337u 4gb
Other experience with t430s and t540p.
And yes, I am 15 years old.

wujstefan
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Re: W701ds and friends - power jack issue?

#3 Post by wujstefan » Thu Sep 19, 2019 3:26 am

TheForgottenKing wrote:
Wed Sep 18, 2019 9:54 pm
How hard was it to replace the jack? Anything special, or just desolder and resolder?
That's pretty much it. No space engineering here, albeit I don't quite get why the jack is not on a connector like in any other series.
moofish2842 wrote:
Wed Sep 18, 2019 10:49 pm
Just wondering, does the dock power input still work? Knowing that may help with diagnosis. (I don't have experience with them at all)
It should.
Too many thinkpads not enough time!
(stable under reduction)

TheForgottenKing
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Re: W701ds and friends - power jack issue?

#4 Post by TheForgottenKing » Thu Sep 19, 2019 6:52 am

moofish2842 wrote:
Wed Sep 18, 2019 10:49 pm
Just wondering, does the dock power input still work? Knowing that may help with diagnosis. (I don't have experience with them at all)
It does, and I'm 100% sure it's the jack as the machine still boots off of battery and I have the broken part in my hand
Last edited by TheForgottenKing on Fri Sep 20, 2019 8:51 pm, edited 1 time in total.
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

TheForgottenKing
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Re: W701ds and friends - power jack issue?

#5 Post by TheForgottenKing » Thu Sep 19, 2019 6:53 am

wujstefan wrote:
Thu Sep 19, 2019 3:26 am
TheForgottenKing wrote:
Wed Sep 18, 2019 9:54 pm
How hard was it to replace the jack? Anything special, or just desolder and resolder?
That's pretty much it. No space engineering here, albeit I don't quite get why the jack is not on a connector like in any other series.
Thank you, and I agree, it's really bad design.
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

TheForgottenKing
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Posts: 342
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Location: Chicago, IL

Re: W701ds and friends - power jack issue?

#6 Post by TheForgottenKing » Thu Sep 26, 2019 8:11 pm

wujstefan wrote:
Thu Sep 19, 2019 3:26 am
TheForgottenKing wrote:
Wed Sep 18, 2019 9:54 pm
How hard was it to replace the jack? Anything special, or just desolder and resolder?
That's pretty much it. No space engineering here, albeit I don't quite get why the jack is not on a connector like in any other series.
moofish2842 wrote:
Wed Sep 18, 2019 10:49 pm
Just wondering, does the dock power input still work? Knowing that may help with diagnosis. (I don't have experience with them at all)
It should.
How hot did you have to get your soldering iron to melt the solder?
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

RealBlackStuff
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Re: W701ds and friends - power jack issue?

#7 Post by RealBlackStuff » Fri Sep 27, 2019 12:34 am

That was probably lead/tin solder, which melts sooner than that stupid ROHs lead-free junk.
I have a soldering station with adjustable temperature.
Usually the iron sports a very fine tip and temp. is set quite high to ~450C/840F because I like to do things fast.
If you are only a Sunday driver "solderer", keep temp. down to ~375C/700F.
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TheForgottenKing
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Re: W701ds and friends - power jack issue?

#8 Post by TheForgottenKing » Fri Sep 27, 2019 11:23 am

RealBlackStuff wrote:
Fri Sep 27, 2019 12:34 am
That was probably lead/tin solder, which melts sooner than that stupid ROHs lead-free junk.
I have a soldering station with adjustable temperature.
Usually the iron sports a very fine tip and temp. is set quite high to ~450C/840F because I like to do things fast.
If you are only a Sunday driver "solderer", keep temp. down to ~375C/700F.
We were at 900F and it wasn't melting (practiced on a dead W701), but I'm wondering if the jack and board were acting as a heatsink. Ended up cutting the jack off, desoldering the rest, then soldering the new one on.

Of course, I'd rather not do that on my $1000 W701ds...
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

wujstefan
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Re: W701ds and friends - power jack issue?

#9 Post by wujstefan » Sat Sep 28, 2019 8:19 am

TheForgottenKing wrote:
Fri Sep 27, 2019 11:23 am
We were at 900F and it wasn't melting (practiced on a dead W701), but I'm wondering if the jack and board were acting as a heatsink. Ended up cutting the jack off, desoldering the rest, then soldering the new one on.

Of course, I'd rather not do that on my $1000 W701ds...
Weirdo. I had no problems really. Soldering iron set at 400C with new tip but had no special feelings with it.
Too many thinkpads not enough time!
(stable under reduction)

TheForgottenKing
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Re: W701ds and friends - power jack issue?

#10 Post by TheForgottenKing » Sat Sep 28, 2019 2:14 pm

wujstefan wrote:
Sat Sep 28, 2019 8:19 am
TheForgottenKing wrote:
Fri Sep 27, 2019 11:23 am
We were at 900F and it wasn't melting (practiced on a dead W701), but I'm wondering if the jack and board were acting as a heatsink. Ended up cutting the jack off, desoldering the rest, then soldering the new one on.

Of course, I'd rather not do that on my $1000 W701ds...
Weirdo. I had no problems really. Soldering iron set at 400C with new tip but had no special feelings with it.
Thanks for telling me, I'll give it another go on the real run.
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

TheForgottenKing
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Location: Chicago, IL

Re: W701ds and friends - power jack issue?

#11 Post by TheForgottenKing » Fri Oct 04, 2019 6:17 pm

Luckily, after a bit of an ugly repair, the W701ds is once again fully functional!
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

wujstefan
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Re: W701ds and friends - power jack issue?

#12 Post by wujstefan » Mon Oct 07, 2019 1:28 am

TheForgottenKing wrote:
Fri Oct 04, 2019 6:17 pm
Luckily, after a bit of an ugly repair, the W701ds is once again fully functional!
Happy to hear that :D
I hope Lenovo will never give us another trick with weirdo power inlets...
Too many thinkpads not enough time!
(stable under reduction)

TheForgottenKing
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Re: W701ds and friends - power jack issue?

#13 Post by TheForgottenKing » Mon Oct 07, 2019 9:46 pm

wujstefan wrote:
Mon Oct 07, 2019 1:28 am
TheForgottenKing wrote:
Fri Oct 04, 2019 6:17 pm
Luckily, after a bit of an ugly repair, the W701ds is once again fully functional!
Happy to hear that :D
I hope Lenovo will never give us another trick with weirdo power inlets...
Yep, what a pain.
Daily: W701ds: i7-940XM - 32GB DDR3 - 128GB SSD + 1TB HDD - FX 2800M - 1920x1200 @ 17" + 768x1280 @ 10" - Dock - Wacom
Others: 701C - S30 - X230t - A31p? - 701R?
For Sale: Quite a few, check over at the marketplace

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