zhang yun kun xin deng (6 resultados)

Soft cover. Condición: New. Language:Chinese.Author:ZHANG XIN DE ZHANG YUN KUN LIU SHU HUA DENG BIAN ZHU.Binding:Soft cover.Publisher:Q Machinery Industry Press.

Soft cover. Condición: New. Language:Chinese.Author:ZHANG YUN KUN ZHANG XIN DE DENG.Binding:Soft cover.Publisher:Chemical Industry Press Pub. Date :2009-10-01.

paperback. Condición: New. Paperback Pages Number: 260 Language: Chinese. Maintenance first-line Books: Maintenance of digital TV set-top box front-line information on Quick speed is divided into seven parts. introduces digital TV set-top box maintenance prescription (consumable components. a common problem recipe ). digital TV set-top box generic and specific components parameters. the device physical device internal structure diagram of the device package (focus reflects the dedicated components). digital TV set-top .

paperback. Condición: New. Paperback Pages Number: 313 Language: Chinese. Maintenance first-line Books: LCD TV repair front-line information on Quick speed is divided into seven parts. mainly to introduce the LCD TV repair recipe (consumable components. fault characteristics. easy to open solder points). LCD TV general and special components parameters. the device physical device the internal structure of the device package diagram (with a focus to reflect the specific components of the LCD TV). I2C password for LCD TV.

paperback. Condición: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Books Pub Date: October 2012 Publisher: Machinery Industry Press the zero-based Easy skills: zero-based Easy repair LCD TV comprehensive introduction to the basic terminology of the LCD TV from scratch explain constitute external. internal circuit board parts. maintenance skills. maintenance and operation. The book runs through learn maintenance skills to learn the overall LCD TV components + board to explain the idea. in the narrative. combined with the necessary structure diagram. schematic. outline drawings. parts diagram tool Figure physical map describes the LCD TV's theoretical foundation and maintenance operations skills. Focused LCD TV parts and repair skills to make readers easy and intuitive. so as to achieve the purpose of starting from scratch step-by-step to learn a skill. The end of the book also describes the LCD TV commonly used chip technology information for readers. Zero-based Easy skills Books: zero-based Easy repair LCD TV applies to vocational and technical schools. technician institute LCD TV repair professional teachers and students. as well as vocational training. job skills training to teachers and students to read. but also for LCD TV installation. maintenance staff Property electrician and amateur self-reading. Contents: Preface first chapter from scratch learning the basis of the first section the basic concepts. the concept of the LCD II LCD TV concept. LCD TV model naming convention Section II of the basic terminology. dot pitch two screen sizes. screen proportion of four with a resolution of five. response time. brightness seven. contrast. viewing angle nine receiving standard ten hard screen and soft screen XI. the number of colors XII. input terminals and output terminals Easy External constitute the first section of LCD TV classification. classified by the structure of the liquid crystal. classified by type of LCD panel three. composed of second LCD TV. LCD TV and external physical composition classified in accordance with the type of backlight. LCD TV internal physical composition LCD TV panel composed of four. the composition of the LCD TV circuit V. LCD TV external interface composed of the third quarter LCD TV disassemble. overhaul practical experience of the LCD TV LCD TV overhaul practical tips. LCD TV disassembly methods section I of the internal circuit boards Easy Popular grasp the internal circuit boards. power board. backlight plate (pressure plate). motherboard (signal processing board). logic board (screen driver board) five TV board (high frequency board). amplifier board seven. USB processing board 8. side AV plate assembly IX. key board ten second LCD TV remote control receiver board a summary of the work. the principle of LCD TV Overview LCD TV specific imaging principle TN type LCD TV imaging principle. STN LCD TV imaging principle five. TFT LCD color TV imaging principle VI LCD LED screen emitting principle Chapter Easy parts first section Universal Parts. resistors. capacitors. inductors. diodes. transistors six field-effect transistors. optocouplers eight crystal nine Section II-specific parts of integrated circuits. high voltage transformers. high-frequency first Section III components detection and substitution resistor detection substitution capacitor detection and substitution Third. detection and substitution four of the inductor. diode detection and substitution five transistor detection with the substitution of six field-effect transistor detection and substitution seven optocoupler detection and substitution eight crystal detection and substitution nine. detection of integrated circuits. desoldering and substitution ten LNB detection with the substitution of eleven. transformer testing and substitution 12 LCD detection and substitution thirteen. 14 detection and substitution of the backlight. backlight drive board detection substitution fifteen power board detec.

Hardcover. Condición: New. HardCover.Pub Date:2023-04 Pages:183 Language: Chinese Publisher: Scientific and Technical Literature Press Ultrasound is widely used in the examination of organs such as the liver. spleen. pancreas and biliary system in the human digestive system. and is usually the first choice for the above-mentioned organs. imaging diagnostic technology. With the rapid development of endoscopic ultrasound in recent years. even for air-containing cavity organs such as the gastrointestinal tract. which had .