| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical head test apparatus that can test an optical head device under the condition of obtaining the same characteristics as that obtainable when incorporated into an actual optical recording medium drive apparatus. SOLUTION: The apparatus for testing the optical head device 106 controls one or more functions out of focusing servo control, tracking servo control and spindle servo control, using control circuits (a PCB mounted thereon a controller, a servo circuit, a digital circuit, etc.), of the optical disk drive apparatus 100 into which the device 106 to be tested is to be incorporated. |
