The digital display of the electronic clock perpetual calendar has been flashing. What's the matter?

Due to the failure of the regulated power supply, the regulator can be replaced.

Electronic calendar is a modern digital timekeeping product, which uses an independent chip to control internal data operation, and uses LED digital display to display daily information such as date, time, week, solar terms and temperature, and combines many advanced electronic technologies and modern classic technologies.

When buying an electronic calendar, you should first pay attention to the appearance of the product and whether the product is defective or damaged (such as glass and bottom case). ), whether the panel printing is neat and shiny, and whether the lines are clear; Show whether there is obvious foreign body occlusion in the window, etc.

The packaging of the product can also reflect the grade of the product and the quality requirements of the whole manufacturer. From the shockproof structure of packaging, the selection of printing technology and materials, it is generally known that enterprises with higher quality requirements also have higher requirements on product packaging, so the quality of packaging reflects the quality of products.

In LED display mode:

1. Static display: Each digital tube in static state is always powered on, and old data will be updated and displayed only when a new signal is input.

2. Dynamic display: Before new data is input, each digital tube in dynamic state is in power-off state. When a new signal is input, the digital tube to be lit can be turned on, and other digital tubes can be scanned and lit in turn in a short time in the same way.