How to identify the right optocoupler. " Power supply Modification"
16:11
Why Optocoupler's are used on Switch Mode Power Supply boards. True Optocoupler testing.
21:53
It's saved by Modifying it.
12:10
How to test optocoupler / easy! for any opto-isolator as the one used in ATX power supply
26:48
Replaced all bloated capacitors but still no backlight?!
16:50
24v güç kaynağı onarımı, açılmıyor
26:36
Panasonic 32-inch LED TV power supply repair.
11:18
How to Test Optocouplers and Opto-isolators with a Multimeter
15:21