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Category: Mobiles and Smartphones Repair and Service   Contents of this article   How to remove the case How to remove the mother board  How to remove the touch screen  Motorola Defy XT DISASSEMBLING PROCEDURE  Switch off the mobile. Unlock the back case before open. Remove the battery Remove the memory card Remove the Sim card Remove 6 screws Tear off a part of label Release the usb cover Open the green case part by yours fingernail from left side to the right side with the usb socket Be care of your labels If you want to repair the SIM card slot legs, be sure no short circuits in 6 legs. To release the PCB for cleaning the Display the the touch screen, remove 2 PARTS by fingernail. 1. Touchscreen adapter 2. Sticker between the touchscreen PCB & mobile PCB Remove the mobile PCB much careful form top right. Be care the touchscreen circuits. You can use a cloth, USB vacuum cleaner (be careful of the components in the green case), and adhesive tape to remove all the dust. That finger

Category: Home Appliances Repair and Service   Contents of this article  Error codes and causes Troubleshooting  Teat mode procedures  Samsung DV 350 AEW - DV 350 AGW - DV 350 AER - DV 350 AGR Error code causes and solution t5 Dryer Thermistor Short Sensed The Thermistor resistance is very low. Check for: Clogged lint screen, Restricted vent system, Thermistor resistance. t0 Dryer Thermistor Open Sensed The Thermistor resistance is very high. Check for: Clogged lint screen, Restricted vent system, Thermistor resistance. dO,dE Door Open Running the dryer with door open Check for: Loose or open wire terminals in Door Sense circuit. FE Power source frequency Error Invalid power source Frequency Check for: Non Utility power supply dF Door Circuit Failure Invalid state for more than 256 milliseconds Check for: Loose or open wire terminals in Door Sense circuit. hE or HE Heater Error Invalid heating Temp in running the dryer Check for: Restricted vent system, Thermistor resistance. bE Button

Category: Laptop Repair and Service  Contents of this article  How to test the battery pack How to reset the laptop  How to disconnect the battery  Lenovo  ThinkPad Edge E 550   -  E 555  Power system checkout To verify a power symptom, do the following: 1. Turn off the computer. 2. Connect the ac power adapter. 3. Turn on the computer. If the computer can be turned on, it means that either the battery pack or the ac power adapter is functional. 4. Insert a straightened paper clip into the emergency reset hole to reset the computer. If the computer is still powered on, it means that the ac power adapter is functional. 5. Turn off the computer. 6. Disconnect the ac power adapter and turn on the computer. If the computer can be turned on, it means that the battery pack is functional. If you suspect a power problem, see the appropriate one of the following power supply checkouts: “Checking the ac power adapter” “Checking the built-in battery and operational charging” “Checking the coin-ce

Category: Home Appliances Repair and Service   Contents of this article  Refrigerator Not cooling  Refrigerator Not defrosting  Refrigerator runs continuously  Refrigerator common faults  Not Cooling 1. Condenser Coils are Dirty The condenser coils are usually located under the refrigerator. They dissipate heat as refrigerant passes through them. If the condenser coils are dirty, they won’t dissipate the heat effectively. As debris builds up on the coils, the refrigerator becomes less efficient, causing the refrigerator to work harder to cool down. If the coils are significantly dirty, the refrigerator will not be able to maintain the proper temperature. Check the condenser coils to determine if they are dirty,if the condenser coils are dirty, clean them. 2. Evaporator Fan Motor The evaporator fan motor draws air over the evaporator (cooling) coils and circulates it throughout the refrigerator and freezer compartments. Some refrigerators have more than one evaporator fan motor. On refr

Category: Mobiles and Smartphones Repair and Service  Contents of this article  How to remove the case  How to remove the mother board  How to remove the camera module Blackberry Torch 9810 Remove the back cover of the phone Remove the battery Unscrew the four screws using the T6 screw driver If you remove the screw in red, you void the warranty! Remove front silver trim by using plastic opening tools and wiggle it off. This is difficult to remove, but it should come off if you do it with caution. Once you remove the rim cover, you should find two more screws on the top. Unscrew them using the T6 screw driver. Use the plastic removal tool to remove the entire back cover. Unplug the black antenna wire from the logic board. Peel off the three ribbon cables They are orange and located on each side as well as on the top of the logic board The cable circled in yellow is glued to the silver cap. Pull the ribbon cable upward towards the battery area. Take out your logic board Camera Sensor Us

Category : Mobiles and Smartphones Repair and Service  Contents of this article  How to remove the case  How to remove the battery  How to remove the Volume button  Apple iPhone 6  Remove the two 3.6 mm Pentalobe screws next to the Lightning connector. Press a suction cup onto the screen, just above the home button. Be sure the cup is pressed securely onto the screen to get a tight seal. While holding the iPhone down with one hand, pull up on the suction cup to slightly separate the front panel assembly from the rear case. Take your time and apply firm, constant force. The display assembly is a much tighter fit than most devices. Using a plastic opening tool, begin to gently pry the rear case down, away from the display assembly, while continuing to pull up with the suction cup. There are several clips holding the front panel assembly to the rear case, so you may need to use a combination of the suction cup and plastic opening tool to free the front panel assembly. Pull the plastic nu