Suggestion - For this type of battery soldered onto a circuit board, I recommend cutting the battery off from the PCB pins using a small, sharp pair of wire cutters. Unsolder the two pins which remain on the PCB and then remove any excess solder from the holes. Install a new battery holder. Never touch a soldering iron directly onto the leads of a battery. There is always an explosion risk.
+Thirteen Wheeler - I think the best method is (as CP-AKODD-2015 noted) to solder a button cell battery holder onto the PCB and then pop in a new 3V CR2032 button cell battery. After that... no soldering is needed for future battery replacements.
Hi, I've used the method of cutting off the old legs from the old batteries and installing a battery holder and new cr2032 battery on my rack synth. However it keeps telling me low battery even after Reinitializing the ram.. any idea what could be wrong?
that works _if_ the pins on the battery holder are the right distance apart. I looked at this for 20mm diameter cells last week for an FB-01 and they all seem to be 20mm apart, but the relevant pins on the FB-01 PCB are only 15mm apart :(
I´d agree that this is the best solution. I have done it on my K1m, but as "The Peddler" warns: be real careful around the metal leads; they CAN explode (or at least crackle and spark in my case).
You should have used the old soldering iron,this way you risk damaging the solder board. The battery now is placed in a very loose way,dangerous if it comes loose,can cause a short and burn your house down!. There are batteryholders that you can solder in which will hold the lithiumcell. I advise others NOT to do it this way!
Hey, man, I have a question. My button board is totally destructed and I'm wondering if there is some tricky way of still changing the sounds without the original button board? I'm total noob in terms of electric circuits and stuff, I just want to use all my sounds, but I cant! HELP!
Get a midi controller. You can control most of the parameters on any general midi synth with a midi controller. Most controllers can be found for $45-100 that would do the trick
Thank you for sharing. Looks really "screwed up" ;) Personally, I own a K4, and was adviced to replace its battery before it starts leaking. Any clue if it is also solded in K4? Thanks.
The Battery keeps the volatile RAM from discharging and erasing itself. Also, in Kawai gear from this time, a dead or very low battery can cause other low voltage chips to glitch up, rendering it useless until a new one is added.
@@CKT1138 I had just picked up a K4 with the check internal battery message and none of the assigned factory instruments are still on here, do you think it would be linked to it needing a new internal battery?
@@togetheronlinearchive Kawai saved their presets onto the RAM. This was cost effective to save money on ROM chips, and that way the presets and user patches would share the same space in the keyboard, allowing full control over the synth's contents. Don't worry though, if you replace the internal battery, you can download the factory sounds from Kawai and use a midi interface to transfer the sounds via Sysex, so it's fixable.
You're right, that is totally not the way to do it ;). Better get a desoldering iron - there are cheap ones for under 10 Euros on Ebay - remove the pins from the PCB and insert a battery with pins already attached (do not solder on the surface of a new battery).
buaaahahaha man kaut fertige Batterie mit den Metallplatchen und lotet sie heraus und wieder herein und nicht so rausreisen und móglich was anderes kaput machen also viel gluck noch beim denken
Hello, what symptoms did the piano present whose problem was the battery? What is the function of these batteries? Thank you
Suggestion - For this type of battery soldered onto a circuit board, I recommend cutting the battery off from the PCB pins using a small, sharp pair of wire cutters. Unsolder the two pins which remain on the PCB and then remove any excess solder from the holes. Install a new battery holder. Never touch a soldering iron directly onto the leads of a battery. There is always an explosion risk.
+The Peddler Don't u have to solder it onto the new battery holder?
+Thirteen Wheeler - I think the best method is (as CP-AKODD-2015 noted) to solder a button cell battery holder onto the PCB and then pop in a new 3V CR2032 button cell battery. After that... no soldering is needed for future battery replacements.
+The Peddler Yes, I wasn't seeing it. (duh) Thanks, that's helpful
Hi, I've used the method of cutting off the old legs from the old batteries and installing a battery holder and new cr2032 battery on my rack synth. However it keeps telling me low battery even after Reinitializing the ram.. any idea what could be wrong?
that works _if_ the pins on the battery holder are the right distance apart. I looked at this for 20mm diameter cells last week for an FB-01 and they all seem to be 20mm apart, but the relevant pins on the FB-01 PCB are only 15mm apart :(
better off just desoldering the original battery from the underside of the PCB, then installing a cheap coin-holder and 3v CR2032.
I´d agree that this is the best solution. I have done it on my K1m, but as "The Peddler" warns: be real careful around the metal leads; they CAN explode (or at least crackle and spark in my case).
@@duneharv Thank you for your insight. Please explain more about leads and explosion. What these are and how to avoid these problems? Thank you
You should have used the old soldering iron,this way you risk damaging the solder board.
The battery now is placed in a very loose way,dangerous if it comes loose,can cause a short and burn your house down!.
There are batteryholders that you can solder in which will hold the lithiumcell.
I advise others NOT to do it this way!
exacto...terribleproceder..¡¡¡¡¡mal¡¡estatica? ..
Hey, man, I have a question. My button board is totally destructed and I'm wondering if there is some tricky way of still changing the sounds without the original button board? I'm total noob in terms of electric circuits and stuff, I just want to use all my sounds, but I cant! HELP!
Get a midi controller. You can control most of the parameters on any general midi synth with a midi controller. Most controllers can be found for $45-100 that would do the trick
This was entertaining , thanks for posting it.
Awesome music !
Thank you for sharing. Looks really "screwed up" ;)
Personally, I own a K4, and was adviced to replace its battery before it starts leaking. Any clue if it is also solded in K4?
Thanks.
Did you ever find out if it's solded in K4? hope it's not
both k4 keyboard and k4 rack have a battery holder, fits one CR2032
Why I need this battery? what is her task? what is she doing in my kawai?
The Battery keeps the volatile RAM from discharging and erasing itself. Also, in Kawai gear from this time, a dead or very low battery can cause other low voltage chips to glitch up, rendering it useless until a new one is added.
@@CKT1138 I had just picked up a K4 with the check internal battery message and none of the assigned factory instruments are still on here, do you think it would be linked to it needing a new internal battery?
@@togetheronlinearchive Kawai saved their presets onto the RAM. This was cost effective to save money on ROM chips, and that way the presets and user patches would share the same space in the keyboard, allowing full control over the synth's contents.
Don't worry though, if you replace the internal battery, you can download the factory sounds from Kawai and use a midi interface to transfer the sounds via Sysex, so it's fixable.
What happens if the battery discharges completely?
no presets ...
I'm amazed they didn't make that battery removable as if it would last forever! I just bought one and I'm hoping the battery is still alive! LOL
I have long klavesy not used. After turning in all banks I have one same sound what is the problem?
Same problem on my k1, I replaced the battery but didn't work
.... hey genial. Aber unter uns Profis..... wozu das Klebeband? Kaugummi hätte es auch getan.
You're right, that is totally not the way to do it ;). Better get a desoldering iron - there are cheap ones for under 10 Euros on Ebay - remove the pins from the PCB and insert a battery with pins already attached (do not solder on the surface of a new battery).
+mirkoskop where do u get battery with pins already attached?
Oh my fuc-
I'm not sure I want to know what you were thinkin here..
ouch
well that was painfull to say the least
buaaahahaha man kaut fertige Batterie mit den Metallplatchen und lotet sie heraus und wieder herein und nicht so rausreisen und móglich was anderes kaput machen also viel gluck noch beim denken
Hier wird gezeigt, wie man es nicht machen sollte ! ⚠️🫣⚠️