Monitor Repair SAMSUNG Model 943NW

Title: Monitor Repair SAMSUNG Model 943NW
 
Type of failure: Not working

00:40 Opening of the equipment

02:25 disconnect the chips to access the printed circuit

03:10 Removing the screws from the power supply board

03:55 with the visible board visually analyzing the components, it is verified the poor state of the electrolytic capacitors of

         820μf / 25v - 3 units and 1000μf / 10v - 2 units
04:50 Remove the components concerned
06:25 check the status of the same with a capacimeter, as is visible and the value is much lower than expected 820μf
07:40 replace the damaged components with new ones taking care to choose components for 105ºc, respect the polarity.
09:53 Removing the two 1000μf capacitors
10:57 replace the damaged components with new ones taking care to choose components for 105ºc, respect the polarity.
12:00 with a multimeter check the status of the fuse that feeds the inverter that powers the bulbs, as this damaged remove the component.
13:30 replace with a new fuse, confirming that it is in good condition.
14:19 proceed to clean the printed circuit to remove the residue from the weld
14:55 start the assembly of the boards, connect the plugs
           Do a first test before closing the equipment
            Close the equipment and take the final test.

Видео Monitor Repair SAMSUNG Model 943NW канала B&B SERVICE