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$1660Model : SF-HD850 | Payment Terms : D/P, Western Union | Delivery Port : mainland | delivery Time : 1day 3000PCS | Product Advantages : Well and High Quality Control, Prompt Delivery, New Product, Competitive Prices |
Material : Default |
Pcs/Carton : N/A | Packing Size/Carton : N/A | Packing Vol/Carton : N/A |
N.W./Carton : N/A | G.W./Carton : N/A | QTY in 40HQ : N/A |
QTY in 40GP : N/A | QTY in 20GP : N/A |
1, how to determine the laser damage: laser damage generally is not read disk or disk is very difficult, some quality almost CD cannot be read, in the case of equipment can normal recognition to the machine, are generally the problem of laser, when this situation you just need to disassemble the machine to check the laser model, to buy the corresponding models of baldheaded installed, machines, it will be like new again.
How to open solder joints: laser in the factory, to prevent electrostatic damage to the laser tube, usually equipped with protection of solder joints on printed circuit boards (in the bald head or on the soft row line has a larger solder joints) of short circuit, the power of laser tube feet in bald before installation should be conducted with antistatic soldering iron welding, soldering iron is heated to about 350 degrees Celsius, disconnect the power supply, open guard point after welding, otherwise the laser will not be able to use
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• If products are not as described, returns are accepted and return shipping fee should be paid by buyer.
• If products are as described, seller has the right to refuse return. Buyer should pay return shipping fee if return require is insisted on.