It might occur in the commission and use of cell phone jammer

Therefore, the expert can face and solve the problems of cell phone jammer .
Because too much heat of ordinary iron, loose cigarettes soon volatile over smoked too late to the motherboard). Where you suspect leakage, where you can smoke on a layer of rosin cream, if you do not know the suspected where leakage, you can put the entire phone board with smoke. Smoked after power to the phone, from 0V when power is slowly rising, if the current is too small, may be appropriate to the voltage is higher, but be careful not too high to prevent other elements to burn out. To increase the power process, observe the phone on the motherboard components, which component leakage, on the components of the white the rosin cream will melt and the "true colors" - it is the leakage murderers. It might occur in the commission and use of cell phone jammer .
, The following specifically to analyze the judgment and maintenance of the power-line leakage: this leakage phenomenon is that when the phone power leakage, removed the power supply IC leakage (in this case appears to B + leakage, it is easy caused by the mistaken judgment of some of my friends), but here if you change the power supply IC does not have any effect (change phenomenon is exactly the same). At this time you would like to boot line. Generally more power-line filter capacitor, varistor leakage or power button minor short-circuit, may also be power-line-to-ground leakage had. Directly to the capacitor or varistor removed to. The boot line to leakage, you can be close to the boot at the power button and power IC trigger feet near the boot line cut off, and then boot feet can directly fly line from the power button to power IC. And at the same time, they can help the customer to prevent and avoid some minor problems of cell phone jammer .
Determine the fault does not boot from the current: we look at the normal boot need to go through those process: Press the power button → boot instructions sent to the power control pins of the IC power IC module → signal → the power IC → CPU; 13MHz master clock power-→ CPU reset and completion of the initialization process → CPU issue the poweron signal to the power IC → Power IC stable output for each unit operating voltage → phone that opens, and then enter the network search stage of registration. According to the boot process, we can analyze the following relevant parts of the inspection and processing to be carried out. It might happen during the use of cell phone jammer being occurred.The company has tried their best to enhance the laser technology of cell phone jammer .And then two thin (approximately 10cm) were welded to the receiver front-end and transmit signal output, dial 112 test machine, if the outgoing call, the antenna switch or transmitter filter filters took part in the question; play no phone current reaction as previously, at this time then the amplifier removed, and then two thin (approximately 10cm) were welded to the receiver front-end and transmit signal output (the input of the amplifier, the VCO output), then dial 112 test machine, if the outgoing call, then the amplifier have a problem; or not playing phone will have to focus on examination of the IF IC and VCO.