How to correctly install LED display

As we all know, the current product quality in Shandong LED display market is uneven, of course, the quality of the product directly affects the display effect and life of the display screen, do not know even if the use of LED products with better quality display unit board, if not professional Construction team, the installation process operation is not standardized, also affect the display effect and life of the display, the following Jinan Wanhui how to correctly install the display to share with you:

Pre-installation preparation - wiring and electrical safety
1 After the frame is securely fastened, fix the power supply to the screen as required, and connect the power supply according to the distance between the power supply and the power supply.

2 The color of the single-phase power supply line can be red or yellow (FireWire), black or green (neutral), or yellow-green (ground) cables.

3 Air switch Please select according to site wiring requirements.

4 Three-phase five-wire system, yellow line is A line, green line is B line, red line is C line, blue line is neutral line N, and black line (or yellow-green line) is ground line PE. Full-color three-phase five-wire wiring requires that the ground wire be grounded during wiring. When using three-phase five-wire cabling, be sure to distribute the power evenly to each live wire. It is forbidden to see serious deviations in the power of the three-phase lines.

5 The control card and adapter card must be fixed in place with the pendant and insulation pad. If the card is damaged or the display screen is not normal because the adapter card or control card contacts the surrounding conductive objects, it will be regarded as the engineering installer. The responsibility for the operation.

Careful attention during installation

1 Carefully check whether the entire screen is flat and there is no height inequality.

2 During the installation process, ensure that the display magnet or the clip is fixed on the vertical beam to ensure that the cable between the unit board and the unit board is well connected between the modules without loosening or loosening. Between the two poles of the power cord is going right.

The 35V power supply cable must be properly connected. The terminal is pressed evenly on the power terminal to prevent it from falling off.

4 outdoor display According to the specific environment needs to glue the place must be sealed, to prevent the entry of rain. The glue must be carefully used to prevent the glue from affecting the heat in the wrong place.

After-sale customer training

After the installation is completed, the customer needs to leave a text or electronic version of the software operating instructions to give the customer the necessary operational demonstration. Training customers to perform proficient software operations, parameter settings, etc., to prevent human error in software operation affect the display screen.

Jinan Wanhui Main Jinan LED display Weihai LED display Sunshine LED display Qingdao LED display Weifang LED display Zibo LED display Binzhou LED display screen unit board wholesale This article from jnwhled reproduced please indicate the source

CAS No. 82-45-1
Chemical Name:1-Amino anthraquinone
Synonyms1AAQ;CI 37275; Fast Red AL ;diazofastredal;Smoke Orange G; Diazo Fast Red AL ;1-Aminoanthrachinon;1-AMINOANTHRAQUIONE; 1-amino- anthraquinon;1-Aminoanthraquinone
Molecular Formula: C14H9NO2
Formula Weight:223.23

MOL File:82-45-1.mol

1-Amino Anthraquinone Properties

Melting point:253-255 °C(lit.)

Boiling point:364.52°C (rough estimate)

Density 1.1814 (rough estimate)

refractive index 1.4700 (estimate)

storage temp. Store below +30°C.

solubility Soluble in alcohol, benzene, chlroform, ether, glacial acetic acid, HCl

Colour Index  37275

Merck 14,417

BRN 396360

Stability:Stable. Incompatible with acids, acid chlorides, acid anhydrides, chloroformates, strong oxidizing agents.

CAS DataBase Reference82-45-1(CAS DataBase Reference)

NIST Chemistry Reference1-Aminoanthraquinone(82-45-1)

EPA Substance Registry System9, 10-Anthracenedione , 1-amino-(82-45-1)

1-Amino anthraquinone Chemical Properties,Uses,Production

Chemical Properties

deep brown crystalline powder

Safety Profile

Moderately toxic by intraperitoneal route. An eye irritant. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic NO,. See also AMINES

1-Amino anthraquinone Preparation Products And Raw materials

Raw materials

Nicotinic acid Sodium dithionite 1-Anthraquinonesulfonic acid Sodium sulfide Sodium sulfite Anthraquinone Metanilic acid Nitric acid Sulfuric acid

Preparation Products

VAT BLACK 27 Vat Green 3 Disperse Red 146 1-Amino-2,4-dibromoanthraquinone Disperse Red 127 Disperse Red 53 Vat Yellow 33 Vat Black 9 Vat Green 8 Vat Black 8 Vat Black 25 1-amino-4-hydroxy-2-(2-methoxyethoxy)Anthraquinone 1-amino-4-hydroxy-2-[(6-hydroxyhexyl)oxy]anthraquinone Bromaminic acid Disperse Red 60 C.I. 60752 Vat Grey M


Melting Point

252°C to 255°C



MDL Number


Merck Index


Solubility Information

Soluble in alcohol, benzene, chlroform, ether, glacial acetic acid, HCl



Molecular Weight (g/mol)


Formula Weight


Chemical Name or Material


Molecular Formula





1-aminoanthraquinone , diazo fast red al, anthraquinone, 1-amino, 1-amino anthraquinone, 1-aminoanthrachinon, 1-amino-anthraquinone, 9,10-anthracenedione, 1-amino, alpha-Aminoanthraquinone, 1-Amino-9 , 10-anthraquinone , 1-amino-9,10-anthracenedione

InChI Key



1-aminoanthracene-9 , 10-dione

Percent Purity



1-AMINOANTHRAQUINONE,82-45-1,1-aminoanthracene-9,10-dione,Diazo Fast Red AL,Anthraquinone 1-amino-,1-Amino anthraquinone

Jinan Forever Chemical Co., Ltd. ,