维修焊接速成技法（Fast welding technique）.doc

维修焊接速成技法（Fast welding technique） Fast welding technique A qualified machine maintenance worker, without exception, must have three elements: basic skills, maintenance experience, theoretical basis. Basic skills are the first time we have to learn how to repair mobile phones, we must learn, that is, wash, blow, welding efforts and mobile phone disassembly and assembly technology. Experience is obtained in the maintenance practice in the post office can learn from others , a maintenance is the fastest way to get experience to learn from experience of direct access to the teacher. In this way, for a number of common failures, with good manual and rich experience in maintenance, basically can be solved. But for puzzles and two mobile phones, the theory becomes important. Of course, this is also an important symbol to distinguish novice from expert. That is, theory. Learning mobile phone maintenance must be careful, to cultivate their own observation. For unfamiliar models, be sure to remember what to do first, what to do, it is best to use a pen to do a record, when the machine installed in order to do it in mind, especially the IC position to be marked in particular, will not be mistaken A hand - trained novice can even maintain a cellphone better than a good theoretical hand. Indeed, Liu Zhanjin is a good hand Clean the plastic casing and screen with acetone or PHILPS water and other special cleaning agent, do not use water that day, wipe the screen with alcohol will make the screen fog, days that water dissolving power stronger than alcohol. Cleaning the motherboard, motherboard is a glass font you use alcohol to clean, because the use of water cannon that day too long may cause the broken glass character, remove the ringing, of course should be before cleaning the motherboard microphone, ringer, display or ringing becomes small, the damage to the screen. For the mobile phone into the sewage, should pay special attention to cleaning the tail plug, here is indeed ofte