Note:
The Tester set include 1 PCS 2004 LCD Module and 1 set LCD tester;
Because the tester is customed,there is no plenty production,
so in hand quantity limited,all these are manually assembled;
It's not new but very useful
Feature:
Supports common LCD screen test as 122*32,1602,1601,2004,4002,1604,4004,128*64,192*64,240*64,160*128,320*240 Etc;
How to operate:
Exaple 1:
Test 320240 14pin 1.25*14 No controller Chips;
Step 1:
check LCD interface define,connect with right port of tester;
Choose CN2 ,insert 320240 adaper borad cable(Green ring)
Step 2:
input right code of your LCD type(refer to Tester Code list)
Input "32B24"by Keyboard directly,then click "D" button for confirm input
Step3:
About”Backlight””V-LCD”,”VR”adjustment;
”Backlight”
Usually the LCD in your hand,you know it’s backlight type;
If LED backlight,Rotate to 5V;
IF CCFL backlight ,rotate to CCFL(please note this area is high voltage);
IF EL Backlight,rote to EL(please note this area is high voltage);
Few LCD are special backlight voltage,you’d accord to your lcd;
”V-LCD”(Usually said glass voltage VEE,Related to negative pressure and negative pressure chip)
accord to your LCD and the tester LCD tip,adjust “V-LCD”;
If comes with negative voltage chips(as 7650,7660,766 models....Chips),usually adjust to EXT;
Usually small LCD,as 1601,1602,12232,2004,4002,no comes with negative chips.match with "-5v” ;
If 12864,19264,240128 24064 no comes with negative chips,usually choose -12V;
if 320240 no comes with negative chips,usually choose -24v;
"VR" used for adjust contrast
Exaple 2:
Test a 2004 LCD
Step1:
Connect CN1(Use the Mini Board);
This LCD pin define is as below picture:
Note:
about mini boards,if LCD 15,16 pin are backlight pin,Only jumper 1 and 3 Jump to the outer edge of the small board;
If LCD 19 and 20 are backlight pin,Only junper 2 and 4 jump to the outer edge of the small board
Step 2:
Check and search LCD tester code;
The 2004 code is "4A408D"