{"product_id":"g30021","title":"G30021 ~ Universal 12V 4-Lamp CCFL LCD Backlight Inverter Board XSJ-EEL19002","description":"\u003cp\u003eUniversal 4-lamp Cold Cathode Fluorescent Lamp (CCFL) backlight inverter board designed for 15\" to 24\" LCD monitors, displays, and industrial equipment repair. Operates from 12VDC nominal input (10V-15VDC) and steps up to high-voltage AC to power two pairs of CCFL tubes via dual ferrite transformers (marked XSJ-EEL19002). Features 4 miniature 2-pin high-voltage output sockets (CN2 through CN5) and a clearly labeled 6-pin center input header (VCC, VCC, ON\/OFF, Vadj, GND, GND). Great for replacing failed monitor inverters, LCD repair, or powering CCFL\/UV cold cathode tubes for custom hobby and lab illumination projects. Measures approx. 5.5\" x 1.6\". Brand New Surplus!\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14.0pt; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-theme-font: minor-latin;\"\u003eA web search produced these specs, which we have not verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eHow It Works \u0026amp; Pinout Breakdown\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eCenter Input Connector (CN1 - 6 Pin Header):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eVCC, VCC (Pins 1 \u0026amp; 2):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e Main DC power input, typically \u003cb\u003e12V DC\u003c\/b\u003e (nominal 10V–15V DC, smoothed by the onboard 220µF 25V electrolytic caps). \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eON\/OFF (Pin 3):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e Enable \/ inhibit logic control signal. Applying a logic high (+3.3V to +5V) turns the high-voltage inverter on; pulling low (0V\/GND) turns it off.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eVAD \/ Vadj (Pin 4):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e Voltage \/ Brightness Adjust (dimming line). Takes an analog 0–5V control voltage or PWM duty cycle to vary the tube brightness.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eGND, GND (Pins 5 \u0026amp; 6):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e Common power ground (0V).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eHigh Voltage Lamp Ports (CN2, CN3, CN4, CN5):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eTwo standard 2-pin miniature JST-style high-voltage sockets on each side. Each side connects to the upper and lower dual CCFL tube pairs inside an LCD panel assembly. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eDriven by two independent high-voltage step-up ferrite transformers (XSJ-EEL19002). \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eSafety \/ Open-Lamp Protection:\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level2 lfo1; tab-stops: list 1.0in;\"\u003e\u003cspan style=\"font-size: 14.0pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eMost controllers on these boards feature strike-sensing and open-lamp shutdown: if all four lamps aren't plugged in or if a tube is cracked\/open, the protection circuit shuts down the high voltage after 1–2 seconds to prevent transformer arcing or fire hazards.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"The Electronic Goldmine","offers":[{"title":"Default Title","offer_id":67820080496890,"sku":"G30021","price":12.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/8595\/3530\/files\/G30021-80.jpg?v=1794253030","url":"https:\/\/theelectronicgoldmine.com\/products\/g30021","provider":"Chaney Electronics, Inc. | The Electronic Goldmine","version":"1.0","type":"link"}