主板维修通病（Motherboard maintenance problems）.docVIP

主板维修通病（Motherboard maintenance problems） 1. brand models: 815EPT (long red plate) of them repaired Internet cafes about dozens of blocks, USB power supply problems, plug USB devices are easy to burn, the probability of 50%, the Internet of the one hundred machines, now about fifty or sixty Taiwan I changed the USB, and the BIOS circuit board is easy to leakage, is generally a problem with more than half a year, to boot, a BIOS battery is replaced, after the fault is more frequent, after one or two months or not, only the maintenance of BIOS circuit, the diode is replaced.2.MS-6566 brand models: (MSI) MS 6566845 series motherboard, the seat plate CPU easy to empty solder, the probability of false phenomenon is accounted for 70% of the load test on CPU normal, however, showed that CO or FF, to turn the fan off, start with hand pressure CPU, go Code! The majority of CPU empty solder, a few Beiqiao! 3. ONDA 845 series motherboard brand models: ONDA 845PE, the blue plate plate used for a period of time, about a year or so, there will be a serious problem, whether your power is good, it is very easy to the main power supply capacitor drum kit, then Q1 is easy to breakdown, remember at this time, you must first Beiqiao wear didnt wear this board before repair, I took more than 30 dollars, as long as the Q1 short, short circuit caused by 12V power protection, then Beiqiao will wear, some friends told Q1 not to burn the breakdown of Beiqiao, I want to say is, in the 845 series of the motherboard, Beiqiao needs three groups of power supply a group of CPU in the main power supply, Q1 output, Q1 circuit, 12V CPU into the main power supply at the same time in Beiqiao, Beiqiao at this moment in my hand the breakdown is 100%, at least 84 of ONDA This is the 4. ASUS 5 Series motherboards, ASRock motherboard does not boot, many in the new ASUS repair series ASRock motherboard, power supply or power supply will find the main memory drum kit, replacing capacitor timely after the encou