ITEM NAME:CA-888 Super LCD Power Supply Board Universal Power Module Replacement Description: Solve the 15-21 inch lcd monitor power supply maintenance problems. 1 foot yellow line: Drain, power control side, then the original high-power power supply D-pole. Generally the middle of the power switch tube feet; 2 feet black line or powder line: Gnd, module ground 300v, then the negative capacitor, the same line can be. Directly connected to a large filter capacitor negative; 3 feet red line: VCC, the module power supply side, then the feedback winding terminal rectifier capacitor after the positive, continuous power supply, the voltage between 12-18V; 4 feet white line: FB, voltage feedback, then optocoupler 4 feet, please check the optocoupler 3 feet heat, not heat, then put the optocoupler short to the hot ground, while the 4-pin peripheral circuit disconnected; 5 feet green line: start start pin, then +300 v capacitor positive.5 feet green line: start start pin, then +300 v capacitor positive. Specification: Size:120x15mm/4.72×0.59inch Package Includes: 1 Piece LCD Power Supply Module Note: Please allow slight dimension difference due to different manual measurement. Due to the light and screen difference, the item’s colour may be slightly different from the pictures. Please understand.