Follow 【Finger Motorcycle】 for fresh insights on motorcycle maintenance and repair! Author: Longxing Tianxia The maintenance of fuel-injected motorcycles has always left mechanics accustomed to carbureted models feeling at a loss. Today, I will analyze a case where a motorcycle could not start after an ECU replacement, to share some technical insights. A Neptune motorcycle, … Read more
TechGear The ECU is the core of the electronic control system. It is essentially a microcomputer or microcontroller that receives signals from sensors on one hand, processes this information, and sends corresponding instructions to control the actions of actuators on the other hand. Sensors are components that perceive information, responsible for providing the ECU with … Read more
The ultrasound diagnostic device is a common examination method in clinical diagnosis and treatment, and its usage directly affects the accuracy of the examination. As maintenance personnel, one should have a precise understanding of the working principles, components, functions, technical parameters, and operating procedures of the ultrasound diagnostic device. It is also necessary to have … Read more
Taking the Philips Sonos 5500 color Doppler ultrasound machine as an example, during the actual application of the color Doppler ultrasound machine, a malfunction occurred on the left touch screen, where the preset condition selection and probe switching often resulted in multiple attempts failing to select. Consider that the touch screen may need recalibration due … Read more
Siemens Comprehensive + TIA Portal + EPLAN Electrical Drawing Video Recordings Available for Sale at Low Prices! Chuangkong Education Siemens Comprehensive Class Course Introduction Siemens Industrial Screen Repair Siemens touch screens are powerful and comprehensive, with strong overload capacity to meet a wide range of applications. Siemens touch screens have self-protection features, including over-voltage, under-voltage … Read more
Follow the association or click to read the original text to participate in the home appliance survey Cast your most precious vote 1. Types of LCD Screen Interfaces and Cables The LCD screen interfaces are divided into 60HZ, 120HZ, and even higher frequencies like 200HZ and 240HZ. Different frequency driver boards are required, with main … Read more
This machine was repaired with the assistance of one of our students, who reported that the machine had no no-load voltage. This is a single-phase 220 single board IGBT machine. We first disconnected the high voltage and applied 310V. We measured the drive waveform of the tube using an oscilloscope and found none. Next, we … Read more
In automotive repair, we often encounter automotive English, which we find difficult to understand. Here are some terms for everyone to collect. Window Glass Lifter Tie Rod Assy Back Door Stay Assy Oil Pressure Sensor Water Temperature Sensor Door Lock Assy Carburetor Repair Fitting Drag Link Assy Oil Pump Fuel Pump Thermostat Sensor Complete Gasket … Read more
The LCD TV has a black screen, and the backlight is not lit. If you shine a flashlight on it, you can see that the screen is displaying images normally. This indicates that the LCD panel is not damaged, providing the necessary conditions for repair. Remove the backlight from the LCD panel. At this point, … Read more
The socket comes in two versions, both offering the same functionality. The framed version requires manual swapping of the locator frame when encountering chips of different sizes; the frame-less version directly utilizes solder balls and base positioning holes, eliminating the frame-swapping step. Super positioning without a locator frame: for chips of different sizes, positioning is … Read more