SERVICE BULLETIN Tower Board Replacement

Effective Date:

8 Aug 2006

Affected Serial Numbers:

All

Page 1 of 5

Makoto USA, Inc.

www.makoto-usa.com

303.766.3971

We Work Hardest When We're At Play

SAFETY FIRST

WARNING: High voltage exposure potential.

ALWAYS DISCONNECT THE EQUIPMENT FROM THE POWER SOURCE PRIOR TO SERVICING

WARNING: The PCBA contains ESD sensitive materials.

SPECIAL CARE IS REQUIRED FOR INSTALLATION OF THIS PRODUCT

TO PREVENT DAMAGE DUE TO ELECTROSTATIC DISCHARGE.

FAILURE TO FOLLOW THESE PRECAUTIONS MAY CAUSE PERMANENT DAMAGE AND VOID THE WARRANTY.

1. Identify a source for earth ground. This can be bare metal of the chassis or any hardware connected to the chassis.

2. Ground yourself using the wrist strap: Place wrist strap on wrist as shown. Place the adhesive copper end to earth ground. 3. You may now safely disconnect cables or handle printed circuit board assemblies (PCBA). 4. Place removed circuit boards in ESD protective bags before disconnecting from the earth ground. 5. Save the wrist strap for future use.

SERVICE BULLETIN Tower Board Replacement

Effective Date:

8 Aug 2006

Affected Serial Numbers:

All

Page 2 of 5

Makoto USA, Inc.

www.makoto-usa.com

303.766.3971

We Work Hardest When We're At Play

TOOLS REQUIRED � ESD wriststrap � 1/8” Allen � Phillips screw driver

SERVICE BULLETIN Tower Board Replacement

Effective Date:

8 Aug 2006

Affected Serial Numbers:

All

Page 3 of 5

Makoto USA, Inc.

www.makoto-usa.com

303.766.3971

We Work Hardest When We're At Play

PROCEDURE:

1 Open the tower to access the main board to be replaced

� Disconnect power from arena (unplug it).

WARNING: DO NOT PROCEED WITH THE POWER CORD PLUGGED IN TO POWER!

� Remove the back panel and disconnect. � Lay the panel on the floor (red tower shown in

picture).

2 ESD protection

� Remove the ESD wrist strap from the

package. � Remove the adhesive backing from the

cooper end of the ESD strap. � Apply the adhesive copper end on the tower. � Attach the wrist strap to your wrist as shown.

3 Tower board removal

� Remove the 11 cables from the board. � Remove the four screws from the corners of

the board, and the large capacitor (if installed) � Place the board in the ESD bag.

The ESD bag is the silver bag supplied with your shipment. This will protect the sensitive electronic components on the board.

SERVICE BULLETIN Tower Board Replacement

Effective Date:

8 Aug 2006

Affected Serial Numbers:

All

Page 4 of 5

Makoto USA, Inc.

www.makoto-usa.com

303.766.3971

We Work Hardest When We're At Play

4 Tower board assembly

� Remove the new board from the ESD bag. � Ensure that switch 1 and 2 are in the

appropriate position on red-bodied component located on the tower board. Should match with the board removed. If you have red colored boards, then keep switch 4 “on.”

� Assemble the board to the panel using the four

Phillips screws previously removed. � Reconnect the eleven cables previously

removed, mindful of proper connection. � Reconnect the large capacitor (Not needed on

red-colored boards).

5 Tower assembly

Remove the ESD wrist strap from the tower. � Reassemble the panel to the tower. � Verify that wires are not pinched during

assembly. � Assemble the panel screw.

6 Return the defective tower board to the Service Center for credit if under warranty

� Wrap in bubble wrap. � Use return address label provided.

Makoto USA 5689 S Ouray St Centennial, CO 80015-4011 Attention: Warranty Service Center

Red component

SERVICE BULLETIN Tower Board Replacement

Effective Date:

8 Aug 2006

Affected Serial Numbers:

All

Page 5 of 5

Makoto USA, Inc.

www.makoto-usa.com

303.766.3971

We Work Hardest When We're At Play

� Set the tower switch settings. (RED tower switch setting)

RED Tower (SW1) Setting. 1….ON 2….OFF 3….OFF 4….ON

� Green Tower Switch Setting

Green Tower (SW1) Setting. 1….OFF 2….ON 3….OFF 4….ON

� Yellow Tower Switch Setting

Yellow Tower (SW1) Setting. 1….ON 2….ON 3….OFF 4….ON

Pictures show red colored board. This configuration works if supplied with green boards.