C Sound jumps Check that player is correct installed. → No → Player installation faulty. ↓ Yes Does sound jump only when is jolt? → Yes → Does sound jump every time there is jolt? → Yes → Player faulty. ↓ No ↓ No Normal Does sound jump always at same place on same song? → Yes → CD faulty. ↓ No Is CD damaged or dirty? → Yes → CD faulty ↓ No Has player been exposed to large temperature change? → No → Player faulty. ↓ Yes Operate air conditioner for about 30 minutes. ↓ Does sound still jump? → Yes → Player faulty. ↓ No Normal (Dew formation because of temperature change.)