| 摘要 |
PROBLEM TO BE SOLVED: To provide a lamp unit control device for independently blinking each of a plurality of LEDs used as light sources in a lamp unit, the lamp unit control device having a simple configuration capable of detecting disconnection occurring in the LEDs.SOLUTION: While a drive voltage is input, a lamp control circuit 310 blinks each LED 411 in a blink pattern including an all-on period in which all of the plurality of LEDs are on, and determines the presence or absence of abnormality in a lamp unit 410 on the basis of voltage values supplied to the plurality of LEDs 411 in the all-on period. |
