LCD TVs and CRT TVs have similar basic principles in their circuit components. However, some repair technicians are unfamiliar with the logic boards of LCD TVs, and their maintenance theories and ideas have not been updated. When faced with faulty LCD TVs, they hesitate to repair them and miss out on lucrative opportunities. In fact, … Read more
section class=”_editor” data-support=”96编辑器” data-style-id=”40378″> Fixing Bluetooth Issues on Mac: Module Reset and Service Restart Mac users have probably encountered this situation: Bluetooth headphones are clearly on, but they won’t connect; the mouse and keyboard mysteriously disconnect… As an engineer with 8 years of experience in Mac repairs, today I will teach you how to completely … Read more
For those who want to install five-party intercom but don’t know how to wire, we have carefully prepared a wiring diagram for five-party communication that guarantees you will understand it at a glance! What is Elevator Five-Party Communication? Elevator five-party communication refers to the communication between five parties in the elevator intercom system: the management … Read more
1. Targeted Measurement Guidelines 1. Correct Use of the Multimeter Correctly use the multimeter; familiarize yourself with the dial before use. Adjust the two zero position regulators gently. Properly select the terminals; insert the red and black probes into the correct holes. Rotate the switch to the correct range; make sure the range is selected … Read more
Click on “ Technical Training ” above, and select “Pin to Top” Over 150,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos In rainy and humid weather, many leakage faults can occur, and I believe electrical workers have thought hard about finding the cause of the leakage. In fact, … Read more
Common Issues Handling –How to Restart the HE600 Instrument– Many error messages on the HE600 require restarting the instrument; many faults can be resolved by restarting the device. Follow the steps below to operate, ensuring that there is no replacement, thus minimizing reagent waste. 1. Precautions Before Restarting Before restarting, ensure that no slides are … Read more
June Course Schedule July Course Schedule 1 CPU Abnormality: When the CPU malfunctions, check all components connected to the internal main line of the CPU. The specific method is to sequentially replace components that may cause the fault, identify the faulty component, and take appropriate action. 2 Storage Device Abnormality: When an alarm occurs for … Read more
Search on WeChatTechnical Training Recently, a colleague asked me if there are any materials on the S7-200 PLC. Although most people are currently using the S7-200 SMART, I’m here to help you out, so let’s learn about the S7-200 today! 1. In what environment can Siemens Step7 Micro/WIN V4.0 operate normally? The installation and operating … Read more
Every household has WiFi It has become a necessity in life But sometimes in the morning it feels very laggy And you might think the router is broken Little do you know, it’s due to improper usage If it weren’t for the reminder from a professional Even a hundred megabit network can turn into “turtle … Read more
Issue 1: An error occurs when installing the latest Siemens touch screen software. How to solve it? The first item is just an authorization software; you can skip it. Other programming like STEP7, WINCC, and 200, even the communication line drivers, as long as they are Siemens software, will include the software shown in the … Read more