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The Graveyard - Products No Longer Supported => IP Cameras => DCS-930L => Topic started by: Freeride on January 13, 2013, 06:45:16 AM

Title: DCS-930L severe hardware issue
Post by: Freeride on January 13, 2013, 06:45:16 AM
From italian usenet newsgroup it.comp.hardware:

https://groups.google.com/d/msg/it.comp.hardware/fRf0o6OHxQQ/2VcHPFCGovIJ

Ho seguito le indicazioni di Roberto e questa sera ho iniziato ad
analizzare il sensore cmos delle ipcam dcs 930 dlink.
Il problema come ben saprete questo, difetti sul video a forma di linee
orizzontali: http://i50.tinypic.com/2rr9bg0.jpg .
La sezione, credo, filtrante sul cmos inesistente. Cos ho collegato un
condensatore da 470uF sui piedini del cmos, molto difficili da
individuare: http://i46.tinypic.com/wujn1u.jpg .
Questo il risultato, linee scomparse: http://i46.tinypic.com/262xy4w.jpg

Google translate:
I followed the directions of Roberto and this evening I started to
analyze the CMOS sensor of ipcam dlink dcs 930.
The problem is that as you well know, defects in the form of horizontal lines on the screen
(http://i50.tinypic.com/2rr9bg0.jpg).
Section, I believe, on the CMOS filter is non-existent. So I connected a
470uF capacitor on pin cmos, very difficult to
identify: http://i46.tinypic.com/wujn1u.jpg.
This is the result, lines disappeared:
(http://i46.tinypic.com/262xy4w.jpg)
Title: Re: DCS-930 severe hardware issue
Post by: JavaLawyer on January 13, 2013, 07:59:26 AM
Are you referring to the DCS-930 or DCS-930L?
Title: Re: DCS-930 severe hardware issue
Post by: Freeride on January 13, 2013, 09:11:12 AM
Are you referring to the DCS-930 or DCS-930L?

Is there any difference between DCS-930 and DCS-930L?

DCS-932L same issue ( http://www.mediasmartserver.net/blog/wp-content/uploads/2011/06/MyDLink-A.jpg ) too.
Title: Re: DCS-930 severe hardware issue
Post by: JavaLawyer on January 13, 2013, 06:22:38 PM
Is there any difference between DCS-930 and DCS-930L?

The DCS-930 is the predecessor to the DCS-930L and was discontinued. Two separate models.
Title: Re: DCS-930 severe hardware issue
Post by: Freeride on January 14, 2013, 02:46:08 AM
The DCS-930 is the predecessor to the DCS-930L and was discontinued. Two separate models.

DCS-930L sure.
DCS-932L sure.
DCS-930 under investigation.
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 14, 2013, 04:43:30 AM
So, you are attributing the horizontal lines users are reporting on the DCS-930L and DCS-932L to a possible hardware defect?  :-\
Title: Re: DCS-930L severe hardware issue
Post by: zejulio on January 14, 2013, 05:16:29 AM
From what I understood the capacitor is not defective, there is no capacitor to filter the circuit.
If this is true D-Link should have a free recall to put the capacitor, since if I do that I'll lose my warranty!!

What is seams is there is no capacitor to stabilize the CCD in such low light conditions...

Regards,

JS
Title: Re: DCS-930L severe hardware issue
Post by: Freeride on January 14, 2013, 05:33:55 AM
So, you are attributing the horizontal lines users are reporting on the DCS-930L and DCS-932L to a defective capacitor?  :-\

Me? I should ask it to the (O(OP))... but I think is a bad hardware design, weak filter.
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 14, 2013, 05:53:59 AM
Thanks. Wasn't sure if he was replacing a component or adding something that wasn't there to start with.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 14, 2013, 06:00:44 AM
The 930L and the 932L are not identical, but VERY similar. Can i mod the 930L the same way? Here is the two compared;

http://www.facebook.com/photo.php?fbid=553598731317719&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553598731317719&set=a.553598721317720.129413.100000027916196&type=3&theater)


http://www.facebook.com/photo.php?fbid=553598751317717&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553598751317717&set=a.553598721317720.129413.100000027916196&type=3&theater)

Within what range uF can I use? I see the mod is done with a 470uF.

And her is how the camera is put together... for those interested.

http://www.facebook.com/photo.php?fbid=553598724651053&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553598724651053&set=a.553598721317720.129413.100000027916196&type=3&theater)

Best rgds
M
Title: Re: DCS-930L severe hardware issue
Post by: Freeride on January 14, 2013, 06:44:57 AM
The 930L and the 932L are not identical, but VERY similar. Can i mod the 930L the same way? Here is the two compared;

http://www.facebook.com/photo.php?fbid=553598731317719&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553598731317719&set=a.553598721317720.129413.100000027916196&type=3&theater)


http://www.facebook.com/photo.php?fbid=553598751317717&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553598751317717&set=a.553598721317720.129413.100000027916196&type=3&theater)

Within what range uF can I use? I see the mod is done with a 470uF.


C38 is minus - (GND), L8 is plus +. I'm trying 330uF 16V.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 14, 2013, 01:02:22 PM
Okay, now both the the 930L, and the 932L is modded pr. tip from Freeride. IT WORKS!
PLEASE CONSIDER MAKING THIS A STICKY, MODERATOR!
Almost all the horizontal noise is gone. 
I cant believe dlink let so poor products out the door!
And people have been complaining over this this noise problem for so long, and then it turns out to be a poor product design, so easy to fix!

Anyway here is the mod done:
930L
http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater  (http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater)

932L
http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater)

M :)
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on January 14, 2013, 01:09:03 PM
Need better photos and details of hows to modify it. Looks like you soldered a cap to the board? I would hate for users to just solder something to the board and blow it up.  ::)

Also that breaking into the case or modifying will void and  any current standing warranties.  :o
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 14, 2013, 01:27:04 PM
Need better photos and details of hows to modify it. Looks like you soldered a cap to the board? I would hate for users to just solder something to the board and blow it up.  ::)

If You read the whole thread and click all the links, it should be pretty clear what is done.

To recap;
DCS-930L and 932L has severe noise problems in the picture in low/no light.
Someone found out the problem was that Dlink made a poor design and omitted noisefiltering the cmos signal in low light, thus introducing a lot of noise in the picture.
To rectify this, it is neccesary to solder a capacitor between c38(MINUS) and L8(PLUS) . For details, see pictures in this thread, AND BE CAREFULL TO GET + and minus THE CORRECT WAY! All necessary info is in this thread.

DISCLAIMER; IF YOU OPEN YOUR IPCAMERA THE WARRANTY IS BYE BYE. DONT BLAIM ME OR OTHER CONTRIBUTORS TO THIS THREAD IF YOU MESS UP.  ANY AND ALL MODIFICATIONS TO YOUR IPCAMERA IS DONE ON YOUR OWN RISK.

Good luck guys!
 :D  :D  :D  :D  :D  :D  :D  :D  :D  :D

Solder points;
http://www.facebook.com/photo.php?fbid=553598731317719&set=a.553598721317720.129413.100000027916196&type=3&src=http%3A%2F%2Fsphotos-b.ak.fbcdn.net%2Fhphotos-ak-ash4%2F740297_553598731317719_1785199880_o.jpg&smallsrc=http%3A%2F%2Fsphotos-b.ak.fbcdn.net%2Fhphotos-ak-ash3%2F23733_553598731317719_1785199880_n.jpg&size=1155%2C2048 (http://www.facebook.com/photo.php?fbid=553598731317719&set=a.553598721317720.129413.100000027916196&type=3&src=http%3A%2F%2Fsphotos-b.ak.fbcdn.net%2Fhphotos-ak-ash4%2F740297_553598731317719_1785199880_o.jpg&smallsrc=http%3A%2F%2Fsphotos-b.ak.fbcdn.net%2Fhphotos-ak-ash3%2F23733_553598731317719_1785199880_n.jpg&size=1155%2C2048)

Capacitor in place;
http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&permPage=1 (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&permPage=1)
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on January 14, 2013, 01:37:47 PM
Is there a certain ferrad cap value to use?

Reason for posting here in the forums is that links can and do eventually become dead. Trying to keep local information here on the forums with out too much remote linking.

Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 14, 2013, 01:52:32 PM
Is there a certain ferrad cap value to use?

Reason for posting here in the forums is that links can and do eventually become dead. Trying to keep local information here on the forums with out too much remote linking.


Sure :-)  I used 470uF 16V on one camera, and 470uF 6.3V on the other. The cameras operate on 5V, so I guess 6.3V is fine. I have only done this on two cameras, I ran out of capacitors...but the others will get the same treatment. Make sure You find a small enough cap, othervise You wont be able to get the thing together again..  :)

AGAIN, MAKE SURE YOU GET MINUS and PLUS right!

I connected the plus from the cap. on the end of L8 nearest the LAN connector, and the MINUS at the end of the C38 that is away from the LAN connector. I dont think that matters, really, but that was how the original hacker had done...and it works. Dont change it, maybe it matters, I dont know.
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on January 14, 2013, 01:59:38 PM
MINUS=Negative
PLUS=Positive

It would be helpful if you could take pictures and post them here as well. Some lighted pictures if possible.  ;)

Good information and thank you for sharing.  ;D

Sure :-)  I used 470uF 16V on one camera, and 470uF 6.3V on the other. The cameras operate on 5V, so I guess 6.3V is fine. I have only done this on two cameras, I ran out of capacitors...but the others will get the same treatment. Make sure You find a small enough cap, othervise You wont be able to get the thing together again..  :)

AGAIN, MAKE SURE YOU GET MINUS and PLUS right!

I connected the plus from the cap. on the end of L8 nearest the LAN connector, and the MINUS at the end of the C38 that is away from the LAN connector. I dont think that matters, really, but that was how the original hacker had done...and it works. Dont change it, maybe it matters, I dont know.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 14, 2013, 02:08:13 PM
MINUS=Negative
PLUS=Positive

It would be helpful if you could take pictures and post them here as well. Some lighted pictures if possible.  ;)

Good information and thank you for sharing.  ;D

I thought I did??  But they dont show up like the ones the threadstarters did. How do I fix that?
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on January 14, 2013, 02:11:37 PM
Get free accounts at places like photobucket or imageshack and upload your photo files there. They provide [IMG] URL links to those files. Copy and Paste the [IMG] links here in the forum.

If you could take pics with better lighting (use of a flash?) to see placement of the capacitor so others can get a good view of it.
Title: Re: DCS-930L severe hardware issue
Post by: Freeride on January 14, 2013, 02:13:12 PM
Sure :-)  I used 470uF 16V on one camera, and 470uF 6.3V on the other. The cameras operate on 5V, so I guess 6.3V is fine.

330uF works too. Voltage accross it is just 3.33 V so 6.3 V rated cap is fine.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 14, 2013, 02:17:13 PM
330uF works too. Voltage accross it is just 3.33 V so 6.3 V rated cap is fine.

Exellent! Thanks Freeride, i might have some caps i can use for the others anyway, then  :-)

Do You have any pictures for these guys?  Mine doesnt show up apparently...
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 15, 2013, 04:58:32 AM
Get free accounts at places like photobucket or imageshack and upload your photo files there. They provide [IMG] URL links to those files. Copy and Paste the [IMG] links here in the forum.

If you could take pics with better lighting (use of a flash?) to see placement of the capacitor so others can get a good view of it.
So You expect me to climb up a ladder again, take down the camera, take it apart again, and take new pictures because YOUR monitor is to dark???????  
 
Well I guess You have a few free accounts like that, then.  I dont. Dowload my pictures from the links given, lighten them up a bit, and feel free to upload them to wherever You want. :-)
Here is a link so You dont need to read the previous messages http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater)
If you download that to Your pc and blow it up, it cant be more clear yhan that?????????????
M  :) :)
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 05:11:08 AM
The images look clear from my end (and thank you for your efforts!). There's a good image on one of your earlier posts indicating the capacitor leads (+/-), as far as I can tell. I have to give some thought on how/where to post this, as opening up the case is not a D-Link approved use of this hardware, voiding the warranty and such, and causing potential safety concerns (i.e. whenever dealing with modifying electrical components). This is very good information, but for the moment, I'm in a quandary as to where to place it.  :-\

I'll have to give this more thought. . .
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 05:13:57 AM
Adding to my last post. . . I'll probably end up redrafting the thread as a single post entry with appropriate disclaimers. Again, will have to think about the approach, and thank you again for your contribution.  ;)
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 15, 2013, 05:18:54 AM
Adding to my last post. . . I'll probably end up redrafting the thread as a single post entry with appropriate disclaimers. Again, will have to think about the approach, and thank you again for your contribution.  ;)

Thank You JavaLawyer.
Please feel free to edit and clean up the thread so it is easier to see the steps taken, and use any or all pictures as You wish.

Best
M :-)
Title: Re: DCS-930L severe hardware issue
Post by: Freeride on January 15, 2013, 05:21:12 AM

I'll have to give this more thought. . .

Could you call Dlink headquarter?
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 15, 2013, 05:28:25 AM
The images look clear from my end (and thank you for your efforts!). There's a good image on one of your earlier posts indicating the capacitor leads (+/-), as far as I can tell. I have to give some thought on how/where to post this, as opening up the case is not a D-Link approved use of this hardware, voiding the warranty and such, and causing potential safety concerns (i.e. whenever dealing with modifying electrical components). This is very good information, but for the moment, I'm in a quandary as to where to place it.  :-\

I'll have to give this more thought. . .

He, he...  dont bother about the safety concerns :D  It is a third of the voltage, and a fraction of the current of a normal 9V battery we are talking about here...    ;D  At the point we are talking about soldering, that is...  The only danger we are talking about here, is probably the lifespan of the camera....
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 15, 2013, 05:29:44 AM
Could you call Dlink headquarter?

They know, they just dont care.....
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 05:36:40 AM
Could you call Dlink headquarter?

For the most part it's at my discretion, so long as I am mindful of corporate policy and stay within the boundaries of acceptable content. Again. . . I'll give this some thought.
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 05:46:08 AM
He, he...  dont bother about the safety concerns :D  It is a third of the voltage, and a fraction of the current of a normal 9V battery we are talking about here...    ;D  At the point we are talking about soldering, that is...  The only danger we are talking about here, is probably the lifespan of the camera....

I fully understand the voltage (or lack thereof!), but whenever you're dealing with modifying a device that "plugs into a wall", there's a perceived safety concern.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 15, 2013, 06:00:48 AM
These should show, without any doubt, the soldering points and the placement of the cap.

http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc6/207745_554054454605480_748019806_n.jpg (http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc6/207745_554054454605480_748019806_n.jpg)
http://sphotos-h.ak.fbcdn.net/hphotos-ak-snc6/206002_554054467938812_1782239365_n.jpg (http://sphotos-h.ak.fbcdn.net/hphotos-ak-snc6/206002_554054467938812_1782239365_n.jpg)

Good luck! 

M :)
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 06:02:37 AM
Thanks!  ;)
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on January 15, 2013, 06:56:48 AM
Thats what I'm talking about.
Thank you sir for going the extra mile man. This will come in very handy for those who need it.

Thank you for your time and efforts.

These should show, without any doubt, the soldering points and the placement of the cap.

http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc6/207745_554054454605480_748019806_n.jpg (http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc6/207745_554054454605480_748019806_n.jpg)
http://sphotos-h.ak.fbcdn.net/hphotos-ak-snc6/206002_554054467938812_1782239365_n.jpg (http://sphotos-h.ak.fbcdn.net/hphotos-ak-snc6/206002_554054467938812_1782239365_n.jpg)

Good luck! 

M :)
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 08:00:00 AM
Thats what I'm talking about.
Thank you sir for going the extra mile man. This will come in very handy for those who need it.

Thank you for your time and efforts.


Absolutely. . . this post will require a hefty disclaimer. . . gotta lawyer-up!  ;)
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on January 15, 2013, 08:04:58 AM
Good Luck with that SIR.  ;)
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 12:49:11 PM
DCS-9XX - Fix for Visual Artifacts [Hardware Hack] (http://forums.dlink.com/index.php?topic=52088.0)


Disclaimer

The procedure described in the referenced link is not sanctioned by D-Link, the thread poster, or content contributors for improving the performance or functionality of D-Link network cameras. Neither D-Link, the thread poster, nor content contributors warrant against damage to the camera on which this procedure is applied, property damage resulting, or injury resulting from the application of this procedure. Individuals who choose to perform this procedure, do so at their own risk and will void the D-Link warranty for their DCS camera on which this procedure is performed.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on January 15, 2013, 12:59:45 PM
DCS-9XX - Fix for Visual Artifacts [Hardware Hack] (http://forums.dlink.com/index.php?topic=52088.0)


Disclaimer

The procedure described in the referenced link is not sanctioned by D-Link, the thread poster, or content contributors for improving the performance or functionality of D-Link network cameras. Neither D-Link, the thread poster, nor content contributors warrant against damage to the camera on which this procedure is applied, property damage resulting, or injury resulting from the application of this procedure. Individuals who choose to perform this procedure, do so at their own risk and will void the D-Link warranty for their DCS camera on which this procedure is performed.

Ha, ha, I am visualizing now some geek with smoking hair sitting on a singed lawn in front of the smoldering remains of his house......
I guess You have Your nick for a reason. :D 

I am a little surprised though, that Dlink doesnt accept ANY problem with their product, just give us a bunch of legal munbo jumbo. This is CLEARLY a problem, and not exactly flattering for them.

Oh well, at least they accept that the solution is being posted.
THANKS for this this JavaLawyer!
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on January 15, 2013, 01:47:40 PM
Ha, ha, I am visualizing now some geek with smoking hair sitting on a singed lawn in front of the smoldering remains of his house......
I guess You have Your nick for a reason. :D  

I am a little surprised though, that Dlink doesnt accept ANY problem with their product, just give us a bunch of legal munbo jumbo. This is CLEARLY a problem, and not exactly flattering for them.

Oh well, at least they accept that the solution is being posted.
THANKS for this this JavaLawyer!

Glad to help...

FYI I'm a volunteer moderator, not a D-Link employee. You can probably guess my vocation from my member name and am wholly responsible for the "mumbo jumbo", and add that sort of language whenever I'm adding forum content involving third-party products or recommended mods that fall outside normal product use to avoid blurring the lines.  :D
Title: Re: DCS-930 severe hardware issue
Post by: evilslon on January 20, 2013, 04:29:10 AM
Hi to all! First i want to say thank you to all community for such beautiful solution of this problem! I found this topic and decided to try to add the capacitor into my old DCS-930 (not L). And it works! No more horisontal blue lines! I used 1000uF 6.3V taken from dead motherboard. I was make a photo of board (sorry for quality, the photo has been taken using my cellphone). C39 is NOT short-circuited, its only looks like (bad viewing angle).

Here's the photo of board:
(http://img145.imageshack.us/img145/1478/plataq.jpg)

What was before modification:
(http://img841.imageshack.us/img841/4974/dcs930before.jpg)

And what become after:
(http://img717.imageshack.us/img717/1736/dcs930after.jpg)


The DCS-930 is the predecessor to the DCS-930L and was discontinued. Two separate models.
No, they are the same. I was able to flash DCS-930 with firmware for DCS-930L, and camera works! I was able to do this using Firmware Restoration page, and i did this because ATM the most freshest firmware for DCS-930 is 1.03 and the most freshest firmware for DCS-930L is 1.06 that much more stable and works better to me.
Title: Re: DCS-930L severe hardware issue
Post by: grngrn on February 09, 2013, 10:41:57 AM
Worked on my DCS-932L. The component label's numbering was different, but the placement was the same as what others have posted, so I gave it a shot. I (re)used an old 470uF cap. Thanks! :)

BTW, did anyone play with the size of the cap to see what worked best? Just curious...
Title: Re: DCS-930L severe hardware issue
Post by: Freeride on February 20, 2013, 02:30:11 PM
Worked on my DCS-932L. The component label's numbering was different, but the placement was the same as what others have posted, so I gave it a shot.

C38 = C39 issue!
Title: Re: DCS-930L severe hardware issue
Post by: coolcat_opee on February 24, 2013, 07:41:24 PM
Thanks to JavaLawyer and everyone else involved with this fix. I preformed this on a DCS-930L H/W Ver A1. It worked like a charm. I used a 470uF 16V capacitors that I salvage from an old router. I fallowed the photo not the instruction. C38 point looked like C39 on mine. The ink was smudged. Im not sure what the correct label should be. Used the photo to locate the point. 

I never post to forums. But this place is so great. Keep up the good job guys.
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on February 25, 2013, 05:16:18 AM
Thanks to JavaLawyer and everyone else involved with this fix. I preformed this on a DCS-930L H/W Ver A1. It worked like a charm. I used a 470uF 16V capacitors that I salvage from an old router. I fallowed the photo not the instruction. C38 point looked like C39 on mine. The ink was smudged. Im not sure what the correct label should be. Used the photo to locate the point. 

I never post to forums. But this place is so great. Keep up the good job guys.

The real thanks should go to members mommono and Freeride who first presented  procedures and photos for thus fix.
Title: Re: DCS-930L severe hardware issue
Post by: michaelmartin on March 13, 2013, 04:37:15 PM
I would love to implement this solution, but how does one open the camera case without damaging it?
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on March 14, 2013, 04:50:04 AM
I would love to implement this solution, but how does one open the camera case without damaging it?

The following site (pointed out by another forum member) contains photos of the clam-shell case opened up: http://forums.trossenrobotics.com/showthread.php?4110-Re-Looking-for-a-better-IP-camera-Cisco-Wireless-N-Internet-Home-Monitoring-Camera-WVC80N/page3
Title: Re: DCS-930L severe hardware issue
Post by: michaelmartin on March 14, 2013, 06:53:31 AM
Thanks!
Title: Re: DCS-930L severe hardware issue
Post by: JavaLawyer on March 14, 2013, 07:14:12 AM
Thanks!

Please post back and let us know how things work out.  ;)
Title: Re: DCS-930L severe hardware issue
Post by: michaelmartin on April 04, 2013, 06:58:08 AM
Well, I have the capacitor but have never soldered SMD before (although I've done plenty of electrical soldering).  There is no way my iron is gonna do this job, and it probably isn't worth buying one that will do this inasmuch as I am not likely to need it for any purpose other than this. 
Title: Re: DCS-930L severe hardware issue
Post by: three_jeeps on September 22, 2013, 09:46:12 AM
The following site (pointed out by another forum member) contains photos of the clam-shell case opened up: http://forums.trossenrobotics.com/showthread.php?4110-Re-Looking-for-a-better-IP-camera-Cisco-Wireless-N-Internet-Home-Monitoring-Camera-WVC80N/page3

thanks to those that Identified and resolved the horizontal line issue.  Perhaps they have some insight on this question.

Does anyone know the mfg & model number of the CMOS camera module used in the 930L dlink camera?  

Mine has deteriorated to the point that all my images are fuzzy. and I want to replace it.
Thank you....
-J
Title: Re: DCS-930L severe hardware issue
Post by: quorra on December 05, 2013, 11:19:46 PM
Just did this mod on two of my cameras (both 930L models) and it works great, no more lines in low light.

While I was in there I also removed the IR filter on one of cameras, much better for night use now!
Title: Re: DCS-930L severe hardware issue
Post by: acellier on December 06, 2013, 10:01:16 AM
While in there, did you happen to examine for possible better focus, to improve the soft imaging?
We understand that early units had screw threads on the lens, but now glued ...
Title: Re: DCS-930L severe hardware issue
Post by: quorra on December 06, 2013, 02:16:59 PM
On the cameras I have (both bought this year) you can adjust the focus. I had to do this when I removed the IR filter which is the plastic piece (redish tint) on the back of the threaded lens unit. However, there is some type of threadlocker on there so be very careful trying to unscrew it or you may break it. I got the threads free by applying very little turning force, going CCW then CW, about five times.
Title: Re: DCS-930L severe hardware issue
Post by: acellier on December 08, 2013, 06:50:03 PM
On the cameras I have (both bought this year) you can adjust the focus. I had to do this when I removed the IR filter which is the plastic piece (redish tint) on the back of the threaded lens unit. However, there is some type of threadlocker on there so be very careful trying to unscrew it or you may break it. I got the threads free by applying very little turning force, going CCW then CW, about five times.
Thanks a lot for that info!
Maybe I'll get brave about going in while under warranty, as these are getting so inexpensive now ...
Title: Re: DCS-930L severe hardware issue
Post by: jbwiv on January 19, 2014, 08:04:16 AM
Guys,

I have a DCS-932L rev A1 which I'd like to apply this fix to. However, on my board, the components which are labeled L8 and C38 in the posted pictures appear to be L6 and C98. C38 is horizontally aligned just north of L6, and I can't find L8 anywhere.

Will soldering a capacitor to L6 and C98 work? Or should it be something completely different?

Image here: http://i.imgur.com/crzqDQR.jpg
Title: Re: DCS-930L severe hardware issue
Post by: jbwiv on January 19, 2014, 08:16:49 AM
I highlighted the area:

http://imgur.com/BfuRZYE
Title: Re: DCS-930L severe hardware issue
Post by: jbwiv on January 20, 2014, 10:21:36 AM
Well, I gave it a shot. The good news is that the camera still works...the bad news is that the lines are still there. Now, the only other difference (aside from component numbering) is that I used a 330uF 16v.

I'm wondering if I really got a good connection with the solder...I'm relatively new to this type of soldering and I plan to give it another go, this time with a 470uF 16V. But, it'd really help out if anyone could answer a few questions:

1. Most soldering tutorials online involve soldering the capacitor wires through holes. In this case, I note we're soldering the wires to little "boxes". Each box seems to have exposed metal on two sides. My question: is it important to solder to one of these two exposed sides? Or, can the solder safely melt onto both sides?
2. Many tutorials I've watched recommend heating the board hole with the iron and then using that heat to melt the solder. Since we're not doing "holes" here, but onto the side of boxes, I was afraid to heat said boxes and opted to try to hold the wire, iron, and solder all the same place and apply the iron directly to the solder. I eventually made it work, but am not sure it is a clean connection. How do you recommend doing this? Is it safe to apply the iron tip to the "box" and then press the wire and solder to the side? Or, do I really need to avoid applying heat to those boxes?
3. What are those boxes called, anyway?

I really appreciate any feedback you can provide. I'm willing to sacrifice this camera for the sake of science, to see if the component numbering matters, but any knowledge you can share to make my journey a bit safer is greatly appreciated. I'm a software developer by trade, not an electrician ;-)

Thanks!
Title: Re: DCS-930L severe hardware issue
Post by: acellier on January 20, 2014, 03:10:06 PM
I can't say about the solder practice, not having seen the actual boards
 - but, I seriously doubt that 470 uF or 330 uF will make a difference (I am a retired electrical engineer)
Someone must have had a schematic to identify where the cap needs to go - I suggest a thorough Googling!
Title: Re: DCS-930L severe hardware issue
Post by: jbwiv on January 21, 2014, 06:40:04 AM
Thanks for your reply acellier.

For board pics, here you go: http://imgur.com/BfuRZYE

Regarding schematics, I'd love to track those down, but heavy googling hasn't revealed anything for the DCS-932L. Is this something commonly published?

Regarding soldering techniques, if you could just confirm what the boxes are and how I should go about soldering to them (can I heat the boxes or should I just heat the solder directly, etc) that will help.
Title: Re: DCS-930L severe hardware issue
Post by: evilslon on January 21, 2014, 10:39:50 AM
Regarding soldering techniques, if you could just confirm what the boxes are and how I should go about soldering to them (can I heat the boxes or should I just heat the solder directly, etc) that will help.
You should heat the solder directly and not the "box" itself, these "boxes" (see my picture (http://img145.imageshack.us/img145/1478/plataq.jpg)) are capacitor (C39) and inductor (L8). Don't forget that your capacitor have polarity and it is necessary to take into account!
Title: Re: DCS-930L severe hardware issue
Post by: jbwiv on January 21, 2014, 02:01:45 PM
evilslon

Thanks for your reply! That really helps. However, see my picture here http://i.imgur.com/crzqDQR.jpg (http://i.imgur.com/crzqDQR.jpg). On my board (DCS-932L REV-A1) what appears on your board as C39 and L8 appears on my board as C98 and L6. At least, in the exact same spots are similar components with labels C98 and L6 instead of C39 and L8.

I've combined the images side by side here http://imgur.com/sp3ypfU.jpg (http://imgur.com/sp3ypfU.jpg). See yours on the left, and mine on the right. The layout looks almost identical, but the labels are different.

Do you think this matters, or should i simply give it a go with C98 and L6? Also, assuming I have to solder to one of the silver sides of the boxes, does it matter which side I solder to? I do know the capacitor I'm soldering on does have polarity and I know to solder the negative to C39 (or C98 in my case) and the positive to L8 (or L6 in my case).

What are your thoughts?

Thanks very much for your help!
Title: Re: DCS-930L severe hardware issue
Post by: evilslon on January 21, 2014, 08:37:45 PM
...or should i simply give it a go with C98 and L6?...
I think yes, solder to C98 and L6

...does it matter which side I solder to?...
Yes, this does matter, look at my picture and other (http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc6/207745_554054454605480_748019806_n.jpg) pictures (http://sphotos-h.ak.fbcdn.net/hphotos-ak-snc6/206002_554054467938812_1782239365_n.jpg) in this topic.
Title: Re: DCS-930L severe hardware issue
Post by: jbwiv on January 22, 2014, 08:28:08 AM
Great...thank you. I will give it another attempt. I appreciate your help! I will report back with my results. It will probably be the weekend before I can attempt it.
Title: Re: DCS-930L severe hardware issue
Post by: Jim1590 on March 01, 2014, 03:37:24 PM
Opened up one of my cameras and was not able to get the solder to melt with my 30 w iron. So I tried hot glue! Only got a color bar test signal from the camera.

Removed the cap and camera working again. Maybe I only had one side fully connected.

Recommend those who try this, use some sort of solder pen, that may work easier for you.
Title: Re: DCS-930L severe hardware issue
Post by: photogd on March 21, 2016, 10:01:13 AM
Okay, now both the the 930L, and the 932L is modded pr. tip from Freeride. IT WORKS!
PLEASE CONSIDER MAKING THIS A STICKY, MODERATOR!
Almost all the horizontal noise is gone. 
I cant believe dlink let so poor products out the door!
And people have been complaining over this this noise problem for so long, and then it turns out to be a poor product design, so easy to fix!

Anyway here is the mod done:
930L
http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater  (http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater)

932L
http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater)

M :)

Bump because I need to do this and the pictures in the original thread are broken. Anyone can make a video or take pics?
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on March 21, 2016, 10:09:01 AM
I suggest you send mommono a PM message on here to see if he's still around and can fix the face book links or content. These links are no longer working.
Let see if we can get a sticky made here in the forums with the correct content.


Okay, now both the the 930L, and the 932L is modded pr. tip from Freeride. IT WORKS!
PLEASE CONSIDER MAKING THIS A STICKY, MODERATOR!
Almost all the horizontal noise is gone. 
I cant believe dlink let so poor products out the door!
And people have been complaining over this this noise problem for so long, and then it turns out to be a poor product design, so easy to fix!

Anyway here is the mod done:
930L
http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater  (http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater)

932L
http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater)

M :)

Bump because I need to do this and the pictures in the original thread are broken. Anyone can make a video or take pics?
Title: Re: DCS-930L severe hardware issue
Post by: photogd on March 21, 2016, 08:10:27 PM
I suggest you send mommono a PM message on here to see if he's still around and can fix the face book links or content. These links are no longer working.
Let see if we can get a sticky made here in the forums with the correct content.


Okay, now both the the 930L, and the 932L is modded pr. tip from Freeride. IT WORKS!
PLEASE CONSIDER MAKING THIS A STICKY, MODERATOR!
Almost all the horizontal noise is gone. 
I cant believe dlink let so poor products out the door!
And people have been complaining over this this noise problem for so long, and then it turns out to be a poor product design, so easy to fix!

Anyway here is the mod done:
930L
http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater  (http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater)

932L
http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater)

M :)

Bump because I need to do this and the pictures in the original thread are broken. Anyone can make a video or take pics?

yes thank you a sticky would be nice
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on March 22, 2016, 06:40:36 AM
If we can get a hold of the OP who has the corrective information...
Title: Re: DCS-930L severe hardware issue
Post by: photogd on March 23, 2016, 01:36:48 PM
...or should i simply give it a go with C98 and L6?...
I think yes, solder to C98 and L6

...does it matter which side I solder to?...
Yes, this does matter, look at my picture and other (http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc6/207745_554054454605480_748019806_n.jpg) pictures (http://sphotos-h.ak.fbcdn.net/hphotos-ak-snc6/206002_554054467938812_1782239365_n.jpg) in this topic.

Well, I was unable to get the solder to stick so I used hot glue. My board also only has C98 and L6. I used a 470uf 10v because the place I ordered the capacitor from sent me 10v by mistake instead of 6.3v.

With that capacitor installed to those points, I get no picture at all from the camera. Remove it, picture returns.

Do you think it's because of the 10v instead of 6.3v, or do you think the C98 and L6 are not really correct?

Also, do you have any tips on using the solder?
Title: Re: DCS-930L severe hardware issue
Post by: photogd on March 23, 2016, 01:59:06 PM
My understanding is that the 10v on the capacitor is more of a maximum, so that shouldn't matter. So maybe C98 and L6 are incorrect?  But they are in the same spot as  C39 and L8 in the original instructions. So I am confused.

I did do minus and plus correctly, so it's not that either.
Title: Re: DCS-930L severe hardware issue
Post by: photogd on March 24, 2016, 02:30:25 AM
I actually figured it out, fixed my camera.

Because the steps in this thread aren't totally clear and a lot of pictures are missing, I made a YouTube video for anyone that wants to do this fix. Maybe a mod can put my video in the sticky?

https://youtu.be/haLfYZp0glw (https://youtu.be/haLfYZp0glw)

Title: Re: DCS-930L severe hardware issue
Post by: mommono on March 24, 2016, 07:00:04 AM
I am sorry for the nonworking links. Facebook changed the setting from "public" to "friends". Should work now.
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on March 24, 2016, 07:04:35 AM
Thanks Mommono,

If you could possibly update this thread with a step by step guide and be as detailed as possible, it would be greatful. Then we can move this to a FAQ section for central use for everyone.

Thank you.

I am sorry for the nonworking links. Facebook changed the setting from "public" to "friends". Should work now.
Title: Re: DCS-930L severe hardware issue
Post by: mommono on March 24, 2016, 07:05:58 AM
Links SHOULD work now. Notify me if they dont, please.


Okay, now both the the 930L, and the 932L is modded pr. tip from Freeride. IT WORKS!
PLEASE CONSIDER MAKING THIS A STICKY, MODERATOR!
Almost all the horizontal noise is gone. 
I cant believe dlink let so poor products out the door!
And people have been complaining over this this noise problem for so long, and then it turns out to be a poor product design, so easy to fix!

Anyway here is the mod done:
930L
http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater  (http://www.facebook.com/photo.php?fbid=553762097968049&set=a.553598721317720.129413.100000027916196&type=3&theater)

932L
http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater (http://www.facebook.com/photo.php?fbid=553762101301382&set=a.553598721317720.129413.100000027916196&type=3&theater)

M :)

Bump because I need to do this and the pictures in the original thread are broken. Anyone can make a video or take pics?
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on March 24, 2016, 07:55:51 AM
FAQ here:
http://forums.dlink.com/index.php?topic=64688.0 (http://forums.dlink.com/index.php?topic=64688.0)
Title: Re: DCS-930L severe hardware issue
Post by: rstark18 on April 01, 2016, 12:38:58 AM
I finally got around to fixing the low light noise issue with a few of my 930L's. Here is my step by step.

Squeeze the case at the top and bottom and the clip on upper side will be exposed. Slide something thin in that spot to keep it open. then working down and around with a pry tool. It's easiest to pry the bottom of the case out to release the clips.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2748.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2748.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2748_SM.jpg)

Case apart.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2749.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2749.JPG)
High resolution pic:https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2750.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2750.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2749_SM.jpg)

(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2750_SM.jpg)


These are the capacitors I bought from Amazon.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2761.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2761.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2761_SM.jpg)

Identify where new capacitor will connect. Negative lead to lower side of C39. Positive lead to upper side of L8
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2755.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2755.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2755_SM.jpg)

Bend capacitor leads so they connect with the board capacitors C39 and L8.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2784.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2784.JPG)
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2790.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2790.JPG)
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-30_IMG_2807.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-30_IMG_2807.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2784_SM.jpg)

(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-29_IMG_2790_SM.jpg)

(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-30_IMG_2807_SM.jpg)

Make sure leads will connect to board.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-30_IMG_2806.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-30_IMG_2806.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-30_IMG_2806_SM.jpg)

Hot glue capacitor in place to make sure it doesn't move during soldering. Added a very small dab of flux for a good solder joint.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-31_IMG_2809.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-31_IMG_2809.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-31_IMG_2809_SM.jpg)

Soldered on. Careful not to bridge anything when soldering. Cleaned area (flux residue) with alcohol and a q-tip.
High resolution pic: https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-31_IMG_2810.JPG (https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-31_IMG_2810.JPG)
(https://dl.dropboxusercontent.com/u/53532923/Dlink/2016-03-31_IMG_2810_SM.jpg)
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on April 01, 2016, 07:06:19 AM
Wow, thank you for posting the process. great write up.

What is Hires? Just wondering. ???

Title: Re: DCS-930L severe hardware issue
Post by: rstark18 on April 01, 2016, 10:46:17 AM
Sorry bad habit. I used to work at a company that would abbreviate High Resolution as Hires. I'll fix it.
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on April 01, 2016, 11:00:51 AM
Awesome, I may put your post in a FAQ and make links to it. Good information.
Hope it helps future users.

Thank you. ;)
Title: Re: DCS-930L severe hardware issue
Post by: alexku44 on July 31, 2017, 04:17:37 AM
Hi, will this 470uF 10V capacitor go?
Title: Re: DCS-930L severe hardware issue
Post by: FurryNutz on July 31, 2017, 09:23:48 AM

This should work as the poster mentioned this value.
Hi, will this 470uF 10V capacitor go?