Checking, removing, or replacing the internal power supply in the TEO 5 is easy and only requires a screwdriver.
Tools needed: Phillips head screwdriver
Getting inside the TEO 5:
1. First, unplug all power/MIDI/USB/audio cables.
2. Flip the TEO 5 upside down onto something soft, such as a strip of bubble wrap or a towel.
3. There are three screws on each side securing the plastic end caps to the bottom metalwork. Remove these screws and lift the sides up and out to free them.
4. Flip the unit back over into its normal position.
5. Remove the 5 screws along the upper back of the synth.
6. Lift up the top metalwork and place it behind the bottom metalwork, on something soft such as a strip of bubble wrap or a towel. Be careful not to stress the single ribbon cable that connects the top and bottom of the synth.
Removing the internal power supply:
1. IMPORTANT: **MAKE SURE** the TEO 5’s IEC mains power cable is disconnected from the socket before continuing.
2. Start by unplugging the power connector running from the power supply to the upper right of the main board. It’s a yellow vertical rectangle. Gripping the connector itself, pull straight up with a slight side to side wiggle to remove it. DO NOT pull on the wires.
3. The power supply is in the upper right corner and is underneath a folded, flexible cover. Lift the smaller tabs as seen in photo 2 below, then slide the larger tabs out as seen in photo 3.
PSU Cover Photo 1
PSU Cover Photo 2 - lift tabs
PSU Cover Photo 3 - slide tabs out
4. With the cover out of the way, this is a good time to inspect the fuse on the power supply. It is located in the upper right.
Notes:
- A healthy fuse will have the metal filament in the center of the glass intact and will not be discolored. If the filament is missing and/or the glass is tarnished or black, the fuse should be replaced. This will likely restore power to your TEO 5 and you can stop here. If your fuse looks ok upon visual inspection but the power supply does not work, continue to step 5.
- The fuse is a 4A250V fuse. It should be easily removable by hand, though a small flat-bladed screwdriver can also be used on the metal portion of the fuse to pry it free. DO NOT pry the glass with the screwdriver.
5. The power supply’s 15-volt connector is visible on the left side of the power supply. It is an orange vertical rectangle. Gripping the connector itself, pull straight up with a slight side to side wiggle to remove it. DO NOT pull on the wires.
6. The power switch connector is the two-wire connector on the right edge of the power supply, just below the fuse. Gripping the connector itself, pull straight up with a slight side to side wiggle to remove it. DO NOT pull on the wires.
7. With the power cables disconnected, remove the 4 silver screws holding the power supply to the TEO 5’s metal case. The power supply can now be removed.
Reassemble the TEO 5 in the reverse order.
Reinstalling the top panel and plastic sides:
1. There is a small metal tab on each side of the TEO 5 that latches the top and bottom metal together.
2. Place the top metal panel onto the unit and line up the small tab with the cutout in the bottom metal. Slide the top panel down so the tab latches underneath the bottom metal.
1. Each side panel has three lower screw slots and four upper plastic tabs.
2. Hook the upper plastic tabs into place at an angle, then push the lower screw slots into place. The side panels will click into place with a light amount of pressure.
3. While holding the side panels, flip the unit over onto something soft, like a strip of bubblewrap or towel. Reinsert the three screws on each side to secure the plastic panels.
Please contact Oberheim Technical Support if you have any questions regarding this procedure.