YDIT details the situation that usually occurs in the central control system.

Source:YDIT 誉德 Release time:2019/9/5 15:03:08 Views:1116

 

(LCD lifter, ultra-thin one lifter, paperless conference system) Problem 1: Turn on the power, the indicator light is not on, what should I do if the central control does not work?
Answer: 1. The central control power plug is not plugged in or the power supply line is faulty: check the power supply line.
2. The power supply connected to the multi-purpose power socket of the central control output power supply exceeds 5A/220V or short circuit, causing the power supply to trip.

Question 2: When the AV signal is output, it is good or bad. When there is no signal output, can the AV signal line be plugged or dialed to output normally?
A: The AV cable is too bad. Inferior AV cable, in addition to the wire diameter is too small, the more important is the plug pin diameter is small (≤ 3.0mm), the pin is short (≤ 12mm), the outer metal layer diameter is too large, resulting in poor contact, please use High quality AV cable.

Question 3: The electric screen can't be lifted or lowered (LCD lifter, ultra-thin one lifter, paperless conference system)?
A: Check whether the screen wiring is correct. The general output of the screen control adopts the three-legged GB socket. The middle foot is connected to the common input of the screen, and the other two feet are controlled to rise or fall. The contact piece in the central control GB socket is not correct, so that the screen plug and socket Poor contact in the reed.
Emergency treatment:
A: In the case of a complete power failure of the central control, use a small one-word screwdriver to align the inner reed of the socket;
B: Pull the screen plug slightly outward.

Question 4: After starting the computer, there is no signal output on the computer screen?
Answer: 1. Check if the video signal line from the computer to the central control is loose. If the signal line is loose, there will be no signal output on the computer screen.
2. Restart the central control system, and the video function module in the central control system will also cause the computer to have no signal output. (LCD lifter, ultra-thin one lifter, paperless conference system)