If you experience an issue with your Klaudio LP200 ultrasonic Record Cleaner where the ultrasonic transducers don't turn on, but the machine goes through a wash and drying cycle. Klaudio support may ask you to check the wiring harness to the ultrasonic transducers on the rear, and front of the machine, and confirm the wiring had not melted from the connections on the transducers. Also to confirm the version of the driver board before sending a replacement.
First - REMOVE THE POWER CORD & Drain the unit.
Also use your camera and take photos along the way.
Get ready. There are (18) Phillips heads screws to remove before you can remove the back panel of the LP200

Once the back panel of the LP200 is removed. The inside of the LP200 looks like this.

Klaudio support will ask you to inspect the wire harness to the transducers on the rear of the LP200 to make sure the leads have not melted from the transducers.
Here is a close up if the rear transducers. As you can see no melting, and everything is good.

Now you need to remove the (12) 3mm Allen head screws from the front of the LP200 to gain access to the two transducer in the front of the LP200.
You need to confirm the leads have not melted from the transducers.

Here is a close up of the transducers in the front of the LP200. No melting, and everything is good.
Put the front panel back on the LP200.

Before replacing the driver circuit board. you will want to remove the Fan Cover on the back of the LP200
To remove the Fan Cover. When looking at the back of the LP200 look on the left side of the LP200, and remove (2) Phillips head screws which are closest to the back of the LP200. In the image below on the left, remove the (2) Phillips screws on the right side of the LP200.


I found it difficult to remove the driver board with the rear fan in place. Therefore I removed the (2) Phillips screws in the image above on the left.
NOTE: Do not remove the (4) Philips screws on the left side of the LP200 in the image above on the left.
After the (2) Philips screws on side of the LP200 are removed. Remove the silver Phillips head screw that secures the rear fan, and silver metal tray that includes the Driver board. See the above image on the right.
The wiring assembly that is connected to the rear fan is long enough to allow you place it on the top of the LP200.
Remove the cable header connectors from the Driver Board before removing the Driver Board.
Remove the (2) Phillips screws along the bottom edge of the back frame. Far left and right of the photo.
Then remove the silver Phillips screw in the upper left corner of the Driver Board. This will allow the green wire to be removed. See image below on the right.
This will allow you to remove the Silver metal tray with the Driver Board.


After the silver tray with the Driver board is removed from the LP200. Remove the (4) remaining Phillips screws that secure the Driver Board to the silver tray. Then secure the "New" Driver Board to the silver tray.

Working backward. Reinstall the driver board in the LP200. Make sure not to forget to screw the Green wire to the upper left corner of the Driver Board.
Reconnect the header connectors back to the Driver Board.
Reinstall the rear fan, and install the fan cover.
Should look like this.

Install the back cover, and test.
First - REMOVE THE POWER CORD & Drain the unit.
Also use your camera and take photos along the way.
Get ready. There are (18) Phillips heads screws to remove before you can remove the back panel of the LP200
Once the back panel of the LP200 is removed. The inside of the LP200 looks like this.
Klaudio support will ask you to inspect the wire harness to the transducers on the rear of the LP200 to make sure the leads have not melted from the transducers.
Here is a close up if the rear transducers. As you can see no melting, and everything is good.
Now you need to remove the (12) 3mm Allen head screws from the front of the LP200 to gain access to the two transducer in the front of the LP200.
You need to confirm the leads have not melted from the transducers.
Here is a close up of the transducers in the front of the LP200. No melting, and everything is good.
Put the front panel back on the LP200.
Before replacing the driver circuit board. you will want to remove the Fan Cover on the back of the LP200
To remove the Fan Cover. When looking at the back of the LP200 look on the left side of the LP200, and remove (2) Phillips head screws which are closest to the back of the LP200. In the image below on the left, remove the (2) Phillips screws on the right side of the LP200.
I found it difficult to remove the driver board with the rear fan in place. Therefore I removed the (2) Phillips screws in the image above on the left.
NOTE: Do not remove the (4) Philips screws on the left side of the LP200 in the image above on the left.
After the (2) Philips screws on side of the LP200 are removed. Remove the silver Phillips head screw that secures the rear fan, and silver metal tray that includes the Driver board. See the above image on the right.
The wiring assembly that is connected to the rear fan is long enough to allow you place it on the top of the LP200.
Remove the cable header connectors from the Driver Board before removing the Driver Board.
Remove the (2) Phillips screws along the bottom edge of the back frame. Far left and right of the photo.
Then remove the silver Phillips screw in the upper left corner of the Driver Board. This will allow the green wire to be removed. See image below on the right.
This will allow you to remove the Silver metal tray with the Driver Board.
After the silver tray with the Driver board is removed from the LP200. Remove the (4) remaining Phillips screws that secure the Driver Board to the silver tray. Then secure the "New" Driver Board to the silver tray.
Working backward. Reinstall the driver board in the LP200. Make sure not to forget to screw the Green wire to the upper left corner of the Driver Board.
Reconnect the header connectors back to the Driver Board.
Reinstall the rear fan, and install the fan cover.
Should look like this.
Install the back cover, and test.
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