It is composed of DC/AC inverter circuit, a luminance control circuit and boosting transformer.

Luminous control circuit controls the luminance of cold cathode lamps for LCD back lighting unit.

The boosting transformer used to translate low AC voltage that can be obtained from a DC/AC inverter circuit to the high AC voltage.

• DC/AC inversion by centre tap transmitter circuit
• Pulse width modulation circuit
• Alert circuit for malfunction
• Externally commutated driving system
• Input supply voltage is 12V
• Oscillation frequency of 55KHz
• Board size of 105mm x 26.5mm x 9.5mm ( W x H x D )
• Maximum weight is 23g​

Environment

① Do not operate or store in high temperature, high humidity, dewdrop atmosphere or corrosive gases. Keep the product in packing box and antistatic pouch in room temperature to avoid for dusts and sunlight, when customer stores the product.

② In order to prevent dew condensation occurring by temperature difference, the product packing box should be opened after being left under the environment of an unpacking room enough. Because asituation of dew condensation occurring is changed by the environmental temperature and humidity. Evaluate the leaving time sufficiently. (Recommendation leaving time: 6 hour or more with packing state)

③ Do not operate in high magnetic field. Circuit boards may be broken down by it.

④ This product is not designed as radiation hardened.

Other

① All GNDB and VDDB terminals should be used without any non-connected lines.

② Do not disassemble a product.

③ Pack the product with original shipping package, in order to avoid any damages during transportation, when returning the product to NEC.

④ Put the spacer between inverter board and mounting surface, because of the protection for contortion and the preservation of spatial distance.

FAQ

Q1: Can I place sample order first?

A1: Yes, we will quote you different prices for small, medium and large qty. You can order with different price for different qty.

Q2: How could I pay them?

A2: We accept T/T, Western Union, MoneyGram, Paypal.

Q3: How to place the order?

A3: Please send us your purchase order by e-mail, whatsapp or Skype or you can ask us to send you a Proforma Invoice for your order.

Q4: How long can I get my order?

A4: For samples, we will finish production and ship within 1-3 working days. For bulk orders, that will base on the order quantity.

Q5: How to send us the products?

A5: We usually use DHL, UPS, FedEx to ship our LCD screen replacements to our clients.