Official Koss compact stereo system parts

Troubleshooting your Koss compact stereo system when it won't power up

• If you're using the remote control to attempt to power up the compact stereo system, try using the power button on the system to power it up.
• If the compact stereo system won't power up when you press the power button on the player, check the power cord. Plug the compact stereo power cord securely into the electrical wall outlet if the outlet cord plug is loose.
• If the compact stereo power cord is properly plugged into the electrical wall outlet, check the electrical outlet for power by plugging a different item into the wall outlet. If the wall outlet is dead, reset the house circuit breaker for the wall outlet. Have an electrician repair the wall outlet if it remains dead after resetting the house circuit breaker.
• If you have the compact stereo plugged into a surge protector, check for a tripped circuit breaker on the surge protector. Reset the surge protector circuit breaker if it's tripped.
• If the compact stereo is getting power through the power cord but won't power up, you may need to replace the power supply board in the compact stereo system.

Cleaning the speakers on your Koss compact stereo system

• Items you will need to clean the speakers include a damp microfiber cloth, a dry lint-free cloth, a lint roller and canned air. Don't use harsh chemicals or solvents to clean the speakers.
• Remove the speaker grilles and wipe down the speaker case using a damp microfiber cloth. Dry the speaker cabinet using a dry lint-free cloth.
• Carefully use canned air to gently blow dust off speaker cones. Wipe speakers horns using the dry lint-free cloth.
• Clean the speaker grills using a lint roller then reinstall the speaker grilles on the speakers.