| Message: | 1.Shenzhen Jie Du State Technology Co., Ltd. focus onpcb fabrication,PCB manufacturer,PCB prototype manufacturer,custom PCB assembly and other areas of service. We alway adhered to the business philosophy of "Customer first, Keep improving"and focus on supplying the PCB prototypex19b65aan with highest quality .
2.Shenzhen Jie Du State Technology Co., Ltd. has been devoted to study the needs of PCBGOGO industrial customers, ant tailored to customers demand and solutions. The advantage of Jieduo state technology lies not only in the industry-leading technology and the elite professional team, but also to provide excellent services in PCB prototype,PCB Assembly,PCB Layout,and the enthusiasm of positive innovation and faith of respect promise . Become a customer trusted Quick turn PCB assembly factory outlet integrated service providers, to help customers realize the business value of custom PCB assembly, is Jieduo state technology unswerving mission and pursuit. Details:
turnkey pcb assembly
Components Installation Note the following:
(1) MAX232CPE chip (DIP16) socket consists of two 8-pin 1 16-pin socket.
(2) speaker on the "+" side of the welding, the corresponding PCB on the "+".
(3) attention to the resistance of the welding direction! The The , The resistance in the socket of the single-chip welding.
(4) microphone 2 pins, and the shell is connected to the negative, welding should pay attention. [Microphone has positive and negative points, negative and shell connected]
(5) electrolytic capacitor capacitance is positive and negative points, long positive and negative; diodes have positive and negative points, long positive and negative; buzzer positive and negative points, long and short negative.
3.For years,PCB prototypeas the operating characteristics, Shenzhen Jie Du State Technology Co., Ltd. has been relying on advanced and efficient technology, making efforts in the importing and internal management and |
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