Ouch hey! Have friends who have just entered the industry experienced such crazy moments? As the event was about to begin, the LED was still not on. After turning around the device three times, I couldn't find the power switch - anyone would have to worry about this, right? Don’t panic, let’s break the puzzle of “Where is the power supply” and break it down and explain it clearly!

1. Three classic locations for power supply hiding

​​Taking the key points​: Ninety percent of newbies' power loss cases occur in these three places:

1. ​​Near the USB port on the side of the control box​​: The metal box, which is slightly larger than the lunch box, has a lightning symbol on the surface
2. ​​In the sink at the bottom of the screen​​: Especially for outdoor screens, designers will install detachable protective covers for fear of water entering
3. ​​Split box joints​: The quick-removal structure commonly used in rental screens, the power supply is often hidden in the snap position of adjacent boxes

To give a real case, the power switch of the fence screen we made for the Tokyo Gymnasium is designed in the maintenance port on the inside of the column. The installation master said that this location is both rainproof and does not affect the beauty, and can be touched with your hand when maintaining it. Guess what? During the last World Cup, a fan stuffed the drink cup in, which almost caused a short circuit accident!

2. Power hiding rules for different screen types

Understand the product type and avoid detours:

• ​Transparent LED screen​: The power supply module is usually integrated in the side aluminum alloy frame, and the decorative strip must be removed with a hexagon wrench.
• ​Floor tiles screen​: Find a splicing module with green indicator light, and make it together with the power supply and signal interface.
• ​​Arc advertising screen​: Focus on checking the control unit at the radian turning point, which is probably in that area
• ​​Lease screen​: The quick disassembly structure will place the power supply in the middle of the back of the box and have a magnetic dustproof cover.

The transparent window screen installed in Singapore shopping malls last year made a joke - the customer searched for power supply for a long time, but found it hidden in the dark lattice of the side decorative strips. Although this design is beautiful, it really takes some effort for novices to find the way.

Three and five emergency search techniques

Try these tricks when you really want to catch your blindness:

1. ​Touch the temperature​: After 10 minutes of power on, the power area will experience a slight heat (be careful of hot hands!)
2. ​Look at the indicator lights​: In working state, there must be a red/green LED light flashing near the power supply.
3. ​Follow the clues​: Look back along the signal line, there must be a power supply within 50 cm of the control card
4. ​Check the product manual​: Take a picture of the device serial number on your mobile phone, and contact the manufacturer to check the installation drawings in seconds
5. ​The ultimate killer move​: Call our 24-hour technical hotline directly, engineer video guidance

Last month, a Korean customer was even more amazing. He used a thermal imager to scan the entire screen and located the faulty power supply in three minutes. Although this method is professional, ordinary people can use the infrared function of mobile phones to read it.

4. Don't step on these minefields

Fatal mistakes that newbies make:

• ​​Plug and unplug with electricity​​: At the least, the fuse is burned, and at the worst, the motherboard is scrapped (wait for 30 seconds after power is cut off before operating!)
• ​Violent disassembly​: When you see a cover with anti-theft screws, don’t pry it hard, and find a special tool for the manufacturer.
• ​​Ignore the ground wire​: The power supply without grounding of the outdoor screen is like a time bomb, and something happens in minutes during thunderstorms
• ​​Constant voltage adjustment​: Don’t move the blue knob on the power supply! We have adjusted the safety range of 4.8-5.1V from the factory

Last year, a customer in Dubai was even more outrageous. He used a utility knife to cut the waterproof glue strip to find the power supply, and the control line worth 30,000 yuan was cut off. In the end, our technical team flew over to save the field with the backup module, so, professional matters have to be handed over to professionals.

5. Special scenario response plan

What to do when encountering these difficult situations:

• ​​Outdoor screen power outage on heavy rain​: Cut off the main gate first, use the hot air gun to dry the interface and then restart (don't use a hair dryer!)
• ​​The mall transparent screen of death​​: Find the emergency switch hidden in the pillar, press and press for 5 seconds to force restart
• ​​Stage floor tiles screen leakage​: Evacuate the crowd immediately and use a dry wooden stick to open the power cord

We designed triple protection for the floor tiles screens we made for a concert in Seoul: waterproof joints, overload protection, and physical isolation layer. As a result, the artist team insisted on spraying ribbons on the screen, and the conductive powder caused a short circuit. In the end, it was necessary to start the backup power supply to not delay the performance.

If you ask me, finding a power supply is like solving a case - you have to pay attention to the link of evidence. Nowadays, LED screens are becoming thinner and thinner. Designers must consider both beauty and safety, so the power supply position is naturally hidden. But just remember the mantra of "find the control box first, then touch the splicing seam", keeping the power supply next time you look for it as fast as a master!

By the way, our products have a thoughtful design: all power interfaces are fluorescently coated, and they will appear when they are shining with ultraviolet flashlights in dark environments. The new model just released this month is even more amazing. You can directly touch the screen frame with your phone's NFC to display a three-dimensional diagram of the power position. Technology changes life, this is really not in vain!

for more product information and pricing, please contact us .