Troubleshooting steps for a portable CD player.
Aiwa is a Japanese electronics company that produced audio and video equipment in the 1970s and 1980s. The Aiwa Company, purchased by Sony Corporation, ceased operations in 2002 and no longer sells products. Specific troubleshooting for the CD 100 player is not readily available. However, CD players operate with consistent components. General troubleshooting will more than likely help you determine the problem. You can refer to the Sony website for repair site locations if necessary.
Instructions
1. Plug the unit into a wall outlet if you are using batteries and have no power. If this works, the batteries may be dead. Try to run the CD player on batteries if you are using a wall adapter. If this works, the adapter may be faulty. Change to a different wall outlet and see if the CD player will power up. If so, the outlet is not working correctly.
2. Look closely at the display. If you see no lights, the back light bulb may have burned out. If the display has a partial or erratic connection, you will see something but it will be changing or only half exposed. This may indicate a bad connection from the controller in the unit or to the power supply.
3. Open and close the door of the CD player. If the door appears to be stuck, this might indicate a worn belt, dirty or gummed-up connection from the door to the unit or stuck buttons. Try dipping a cotton swab in alcohol and wiping the hinges and buttons down. If this does not help, the motor may be shot.
4. Attempt to play a disc. If the disc turns but you hear nothing, adjust the volume and reseat the headphones or earpiece.
5. Take the disc out and wipe it down. A dirty disc will prevent the unit from reading it.
6. Play a different disc. If neither disc plays or plays erratically, the optic component may be damaged.
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