Course Code: LM R
Course Fees: 5,000
Course Duration: 2 months
Topics Covered
- Overview of LCD Monitor circuits and how to read block and schematic diagram
- Explanation in full details how switch mode power supply, inverter, lamps, main board (AD board), driver/controller board and LCD panel works.
- How to understand the SMD coding in IC, resistor, transistor, diode and capacitor of a mainboard
- Understanding typical inverter IC part number and datasheet
- How to cure stuck and dead pixel in LCD Monitors
- The importance of tools and test equipment in troubleshooting LCD Monitor
- How to use the SMD Rework station to remove and resolder SMD IC, transistor, capacitor, diodes, resistor and inductor from the LCD main board
- The importance of schottky diodes in LCD Monitor and how to test it and find replacement
- Explanation of start circuit in LCD Monitor
- How to check the high voltage transformer and enable circuit
- Understanding Oscilloscope
- How to use oscilloscope to troubleshoot all the major circuits in LCD Monitor such as the power supply, inverter, mainboard and driver controller board
- Continue with the oscilloscope troubleshooting on LCD Monitor boards
- How to diagnose and begin to repair real problems in LCD Monitor such as no power, dim display, power blink, one vertical or horizontal line, rainbow colours, white raster and etc
- Continue with the troubleshooting of real problems in LCD Monitor
* How to check backlight (lamps) if it working or faulty
* How to check the brightness/dimming circuit
How to check the power and inverter board