1. Overview
4.3-inch color digital liquid crystal driver module is made of PS-NTM043-V05 driver board, 4.3-inch LED color digital liquid crystal display, and frame (made according to the client’s demand),it has two kinds of standards: PAL and NTSC which make automatic conversion come true. Character: use IC to carry on power management, cross-flow control for backlight, protect power abnormality and so on. It can be used in areas below:
Official electron equipment
Device, instrument and measure equipment
Visual equipment(display for car、portable DVD、remote terminal、liquid crystal TV)
Not suit for cutting-edge products which require high reliability、stability and accuracy.
2. Technical parameters
Name : 4.3-inch color digital liquid crystal module
Pattern: PS-NTM043-V05
Display: 4.3-inch LED
Mode of backlight: LED
Resolution: 480RGB(H) ×272(V)
Visual range: (up/down/left/right) 60°/55°/50°/50°
Operating voltage: DC 10V-18V
Operating current: DC 100mA—240mA(changing with voltage)
Overall dimension of display: 105.45 (W)*67.10(H)*2.8(D)
Display size: 95.04(H) x 53.85(V)
Size of PCB board: 62.43(W)*50.8 (H)*8.5(D)
Video signal: composite 1.0Vp-p(Impedance of 75EU in accordance with the demand of clients)
Standard of system: PAL/NTSC automatic conversion
Operating temperature: -10℃- +55℃;
Temperature of storage: -25℃- +70℃;
Relative moisture: 10%-90%
Wiring diagram
J2 4P Socket definition (definite according to clients’
requirement)
Pin |
Function |
Explanation |
1 |
Power Input |
12V |
2 |
Power Ground |
GND |
3 |
Video Ground |
GND |
4 |
Video Input |
CVBS |
Pin
Function
Explanation
1
Brightness Plus
BRI+
2
Brightness signal input
BRI
3
Brightness Subtract
BRI-
4
COL Plus
COL+
5
COL signal input
COL
6
COL Subtract
COL-
J7 4P Socket definition(definite
according to clients’ requirement)
Pin
Function
Explanation
1
Subtract
-
2
plus
+
3
MENU
MENU
4
Signal
Ground
GND
4. Structure of
the display
5. Criteria of 4.3-inch LED PANEL
Purpose: draw up criteria of PANEL to offer foundation for Feed inspection、Process inspection、Customer inspection.
Range: applicable to the products of 4.3-inch LED
Operation Contention:
Criteria and methods:
Under 20W fluorescent lamp, in the department PANEL 30cm vertical distance(0r about 45 degree) to observe ,see if there are naps、scratches. if it has, it’s OK; or NG.
Criteria and methods of black、bright and color dot of LED:
Methods of inspection
Black dot: light in that case, put the mask of black dot near the black dot on the LED, observe and compare the size.
Bright and color dot: light in that case, overlap the mask of black dot on the bright(color)dot on the LED, observe and judge the bright(color) dot whether or not hide.
Screen region
Standards of acceptance
Diameter of defects |
Standards of acceptance |
||
A |
B |
||
Black dot |
d≤0.15 |
ignore |
ignore |
0.15<d≤0.25 |
4 |
4 |
|
0.25<d≤0.3 |
2 |
3 |
|
d>0.3 |
0 |
2 |
|
White dot |
d≤0.15 |
ignore |
ignore |
0.15<d≤0.25 |
3 |
3 |
|
0.25<d≤0.3 |
1 |
2 |
|
Color dot |
d>0.3 |
0 |
1 |
Remarks: 1, size: average diameter= (Max +Min)/2
2. Judge the intensive defect according to the reference above
3. Black and white spot: compare them through the change of voltage, use black dot reference judge the obvious spots.
4.total amount of black, white, and color dot: A+B≤4
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