Tip & How-To about MPC Computers MPC F1760I 17" FLAT PANEL Monitor
Sometimes our electronics appliances like TV monitor, radio or any other stuff may have a very simple problem. If we are not aware of this then we go in circles looking for the problem.
Technicians sometimes refer to this as intermittent problem. Sometimes the system will work and sometimes it will not. A tap/knock may get it working or will stop it from working.
Dry-solder joint is one of the causes.
If you are a novice and have no idea about electronics and how to work with soldering irons and electricity; please get assistance from a professional.
1. Switch off power.
2. Open the system up.
3. Discharge components which might hold charge to avoid electric shock.
4. Look at the bottom of the printed circuit board (track side of the PCB). You might need a hand lens for a closer look.
5. Look for cracks in the soldered components. Sometimes shaking components easily helps in identifying these cracks.
6. Once you get to know this, get your soldering iron, remove the old solder and re-solder the component.
7. You might be agitated to switch on and check your system at this point in time. Don't!!
8. Try and look for all the dry solder joints.
9. Fix as much dry solder joints as you can find.
10. Clean your board. Use isopropyl or general purpose thinner.
11. Double check the track side. There should not be any shorts that you may accidently done while soldering.
12. Once you are sure all is safe, assemble the system.
13. Connect a series lamp to the system and switch on to check.
14. If the problem stops; good for you. If it persists then continue looking for and treating dry solder joints.
I will share more on series lamps in my next tip.
Posted by Praveen... on
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