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Gigabyte B75M-D3V R**.0 Point Bitmap
Gigabyte B75M-D3V R**.0 Point Bitmap
Category Blog
Apple MacBook Pro A1502 notebook does not recognize hard disk repair
The leakage of capacitor C1292 lowers the power supply by 1.5V, which causes the bridge SATA module not to work and thus denies the hard disk.
ACER FH4HR MB_ LA-J731P _R10 PDF
ACER FH4HR MB_ LA-J731P _R10 PDF 图1 ACER FH4HR MB_ LA-J731P _R10 PDF 图2 ACER FH4HR MB_ LA-J731P _R10 PDF 图3
Second repair glory x10 mobile phone does not display when turned on
Appearance inspection of motherboard, display ic and inductor have been replaced at home. Borrow a voltage of 1.8V directly according to the pin definition flying wire.
Apple MacBook Air A1466 notebook triggers power failure repair
Apple MacBook Air A1466 notebook triggers power failure repair Machine model: apple MacBook Air A1466 Motherboard model: 820-00165 Fault symptom: the notebook triggers power failure. Maintenance process: A MacBook Air A1466 notebook, when it failed, it was powered off instantly,…
Huawei Mate 30 Pro mobile phone has no signal, and the search operator failed to repair it
The resistance value of one end of C1226 main power supply is also about 400. The main board has been changed, and it must have fallen before. The main board has no deformation area, so the main power supply is basically locked or the middle layer is soldered.
IPad Air3 A2134 startup dark screen without backlight repair
The measured voltage, inductors L82P0, L82R0 and diode D820D82P0 are all supplied with VCC 4V, but there is no boost. The large inductor and two diodes are directly replaced, and the base is back to 500, which is normal.
The charging of Huawei P20 mobile phone is abnormal, indicating that charging is not allowed for repair
The charging of Huawei P20 mobile phone is abnormal, indicating that charging is not allowed for repair In this case, the voltage output of capacitor c1610 in the measurement schematic diagram is abnormal, so coil L1600 should be excluded first, and…
Lenovo ThinPad E430 notebook does not trigger repair
Lenovo ThinPad E430 notebook does not trigger repair After finding the corresponding LM339, it was found that the two-pin resistor was seriously corroded, so a 10K resistor was replaced. Test run, ACIN has been sent out, power on and start…