The other kind of cell phone jammer is the cell phone and GPS jammer
Telsda T608 + signal, the machine have not been revised to keep up with a current almost terminated a copper wire or no signal after the filter in the 900M, the machine is no signal of the machine under normal repair, write software test about Later, I found press * # 06 # IMEI all 0000000000000000 more to write software to try demolition of the font to the East China Sea 72 backup detection font has a short circuit or model is not no way fitted Surprisingly, there are signals go back * # 06 # IMEI or ignore it anyway signal on the line. The company has invested more money in the research of phone jammer .
Later remembered a friend said he said he repaired one of these machines font dilute welding can also cause no signal MT column machine. It seems there is always the case. MT chip series machine handset silent change headphones First, check the headset voltage with or without 1.2V short Headset 2.4 feet. 3-foot fly line from the headset to a handset. MTK series microarrays boot screen [2] now the MTK Ruipian the machine, some machines you do not have software to the machine or boot screen, or sometimes given version, and a mess of software failure. If you do not have the software you can use, MTK48 programmer to use the unlock method of repair of machinery. The customer has the stricter requirements for quality of cell phone jammer .
Very simple, MTK unlock the address of a friend should know, 4M, 8M, 16M, and so on. This repair method is to update the chip data, in general, the software under normal use conditions, are caused by the chip failure, so we adopt this solution to a fault caused by the chip data, this address to clear into the FF, then put it back pressing power chip data will re-establish, so that does not resolve? But you write software to back up in case of bad, the fixed version when to have it fixed, can not let it open back up, and then unlock. CPU for low power failure in MT6205.6217.6218.6219 kill. Sales Department organized the meeting to discuss the technical problem of cell phone jammer in the meeting room 1.
Many domestic machine CPU is MT6205, 6217,6218,6219. This CPU is very powerful, fault, one of the most common boot low battery, then shut down. This failure causes the CPU battery detection feet do not get the battery data, that is the power of the CPU pick the measured foot to the battery + problem, and they are mostly connected by an exclusion (1004) , exclusion deterioration or false welding causes up to bad, the CPU board break. 6205 the power to pick up the measuring pin D6, A6 (charge capacity pick test) 6217,6218,6219 the power to pick the measured foot the D6, C6 (charge capacity pick test)]. MP3 phones sound classic kill. The working instruction of this kind of cell phone jammers has the second version.
The failure of all the head is the ringing amplifier Weld, a long time listening to music, the amplifier heat caused by the Weld. The amplifier is very small glass film welding time to pay attention, remember the direction of the IC and the high temperature should be removed and then remove the plastic and then welding. The MT series emission shutdown solutions. Launch shutdown, the first power source tone 4 5V or so, try to see the launch will not shut shutdown, if the shutdown, bad amplifier. If you do not shut down, the amplifier is not bad, personally think that should still be IF and CPU (personal meaning). The inspection group is carefully inspecting the working instruction of cellphone jammer .
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