samsung power supply board

Design of power supply in high-speed circuitThe design of power supply in high-speed circuit is probably divided into two kinds, one is lumped architecture and one is distributed architecture. A lumped architecture is a power input that generates a variety of required voltag

to the auxiliary circuit. I suddenly realized that there was something wrong with the auxiliary power supply? The biggest difference between ATX power supply and at power supply is that it provides an auxiliary

is that the power supply is insufficient. 2, the use of substitution, replaced by a good chassis power supply test, found that the fault still exists, prove that the power supply is not a problem. 3, so

charging wire uses PVC plastic skin The plastic skin of the charging line is likely to wear seriously, weathering chap and so on during the daily use, it will leak out the internal metal wire, which is likely to cause short circuit. Where the wire is welded with the circuit board and the electric core, usually also use insulation tape for fixed and other measures to deal with, but in some inferior products have not been such treatment, will solder j

Generally speaking, when the computer is working properly, the sound is very small, in addition to the hard disk read and write data emitted by the sound, mainly the cooling fan sound, especially the switching power supply fan emits the loudest. Some switching power supply after long-term use, in the work will produce

mainly applicable to the touch switch.3. sys_pwr_hold power supply is maintained, which is effective at a high level. It is useful when you touch the switch or the system wants to control the shutdown.Typical applications:1. the power switch uses the touch switch to detect the pwr_key_det status and control sys_pwr_hold. This enables the system to start up, hold

instability of the reason is directly caused by the power supply. Check the power before we should first consider whether the computer has been added cards and other accessories, some brand-name machine power and the total power of the system is exactly the same, add a new

Power Management Module ( PMM ) and power supply monitoring introductionPower Management Module and supply Voltage SupervisorI think power management and monitoring is a very complex and difficult to control part, not only involvesThe choice of source mode involves complex i

If you use your mobile phone with the data line charge can not be charged, please replace a can only charge can not transmit data microUSB line to try, this may be mobile charger in the electricity transmission to the phone. You can try to connect other phones to the mobile power supply to see if there is a situation where the electricity can not be recharged into the phone, and if not, it could be a phone

　The cause analysis and solution of the power supply light of notebook computer is not bright/flashing continuously One, the power light is not bright First of all, The notebook power light is not lit, there are two situations: If the LEDs on the external power

Are you going to have a power supply to get him powered on without a motherboard? The ATX 20pin has a non-stop bayonet on it, and it's facing itself, and then it's down to the left of the line. 4th and right, 4th, get these 2 connected. Green and any one black, black is ground! Special attention: 1, the PC power supply