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Complete Control by URC Forum - View Post
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The following page was printed from RemoteCentral.com:
Fix for MX-880 & MX-980 (Possibly Others...
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Topic: | Fix for MX-880 & MX-980 (Possibly Others) That do not charge anymore This thread has 10 replies. Displaying all posts. |
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Post 1 made on Wednesday February 3, 2021 at 10:28 |
shokwaverider Regular Member |
Joined: Posts: | January 2021 98 |
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I have had a few customers complain lately that when they plug in their 880 or put their 980 on the charging cradle that the batteries do not charge. But if the batteries are charged with an external 3rd party charger the batteries are actually good and work well when put back in the remote.
I have engineered a fix for this. The Charging chip in these remotes goes bad. There is a very inexpensive 3.7v Li-ion charging PCB, that can relatively simply be fitted into the remote and wired to bypass the charging chip (3 small wires).
An added benefit is that the new charger almost halves the charging time and if located correctly shows the user when the battery is charging AND when it is fully charged (Not normally available with the 810 and 880 that do not come with cradles) I have added a window on the back of some of our test remotes so the charging status is clearly visible. Otherwise one has to remove the battery cover while charging to see the internal LED status.
This fix does not bypass the charging indicator on the display, so the remote looks and fees as if nothing has changed.
Has anyone else done this? I have not written a document about it but anyone with good soldering skills can effect the change. It is easy to explain if anyone is interested.
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Post 2 made on Wednesday February 3, 2021 at 15:12 |
tomciara Loyal Member |
Joined: Posts: | May 2002 8,039 |
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Interesting, probably a fun project for a do it yourselfer, maybe not so much for a client. Is it a circuit board you put inside?
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OP | Post 3 made on Wednesday February 3, 2021 at 19:24 |
shokwaverider Regular Member |
Joined: Posts: | January 2021 98 |
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Yes a small 3.7v Charger. We do it as an "Upgrade" for our customers. Like This: [Link: ebay.com]
Last edited by shokwaverider on November 23, 2023 08:12.
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Post 4 made on Monday April 19, 2021 at 12:26 |
smetaxas Lurking Member |
Joined: Posts: | August 2013 3 |
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On February 3, 2021 at 10:28, shokwaverider said...
This fix does not bypass the charging indicator on the display, so the remote looks and fees as if nothing has changed.
Has anyone else done this? I have not written a document about it but anyone with good soldering skills can effect the change. It is easy to explain if anyone is interested.
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Post 5 made on Monday April 19, 2021 at 12:30 |
smetaxas Lurking Member |
Joined: Posts: | August 2013 3 |
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I am having this exact problem with my MX980. I'd like to find out how to fix my charger. smetaxas@comcast.net
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OP | Post 6 made on Thursday April 22, 2021 at 10:36 |
shokwaverider Regular Member |
Joined: Posts: | January 2021 98 |
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On April 19, 2021 at 12:30, smetaxas said...
I am having this exact problem with my MX980. I'd like to find out how to fix my charger. smetaxas@comcast.netAre you sure that the charge plug is not bad? If it is you can simply install a 3.7v charging pcb. We have done many of them on 980 and 880 remotes.
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Post 7 made on Friday April 23, 2021 at 15:21 |
On February 3, 2021 at 10:28, shokwaverider said...
I have had a few customers complain lately that when they plug in their 880 or put their 980 on the charging cradle that the batteries do not charge. But if the batteries are charged with an external 3rd party charger the batteries are actually good and work well when put back in the remote.
I have engineered a fix for this. The Charging chip in these remotes goes bad. There is a very inexpensive 3.7v Li-ion charging PCB, that can relatively simply be fitted into the remote and wired to bypass the charging chip (3 small wires).
An added benefit is that the new charger almost halves the charging time and if located correctly shows the user when the battery is charging AND when it is fully charged (Not normally available with the 810 and 880 that do not come with cradles) I have added a window on the back of some of our test remotes so the charging status is clearly visible. Otherwise one has to remove the battery cover while charging to see the internal LED status.
This fix does not bypass the charging indicator on the display, so the remote looks and fees as if nothing has changed.
Has anyone else done this? I have not written a document about it but anyone with good soldering skills can effect the change. It is easy to explain if anyone is interested. Interesting. We have been seeing issues for about 2 years with MX990s where they won't charge. Has URC acknowledged this at any point?
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Post 8 made on Wednesday November 22, 2023 at 17:18 |
chiquito3 Long Time Member |
Joined: Posts: | November 2004 23 |
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Hi, I have one MX880 that was shelved for a long period with the battery. Now is not charging. What should I do? The links provided don't work anymore.
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OP | Post 9 made on Thursday November 23, 2023 at 08:08 |
shokwaverider Regular Member |
Joined: Posts: | January 2021 98 |
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This is the type of board I used. But have you tried a new battery? Also make sure you have the correct charger and it is working. I actually removed the USB socket and made the board even smaller. On one or 2 remotes I made sure one could see the LEDs from the back of the remote. It is nice to know when the battery is fully charged. [Link: ebay.com]
Last edited by shokwaverider on November 23, 2023 08:15.
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Post 10 made on Thursday November 23, 2023 at 13:25 |
tomciara Loyal Member |
Joined: Posts: | May 2002 8,039 |
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On November 22, 2023 at 17:18, chiquito3 said...
Hi, I have one MX880 that was shelved for a long period with the battery. Now is not charging. What should I do? A battery sitting for an extended period of time will deteriorate. Most of us would wager that if you purchase a new battery, you will be good to go.
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Post 11 made on Monday August 26, 2024 at 00:12 |
ArqSteady Junior Member |
Joined: Posts: | October 2022 2 |
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Would you be able to provide documentation on how to perform this fix?
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