-
Backlight LED Domes Found Lying Loose In SONY LED TV Model KLV32EX330
This was referred to by a customer who had his emergency light and torches repaired by me in 2018. The TV was in use by two super senior citizens whose entertainment was...
- Posted March 29, 2025
-
How To Fix A Dead Short Welding Machine
A welding technician brought his dead welding machine for repair. It was completely dead; no life whatsoever. The first step was to test the main power coming to the machine so...
- Posted March 29, 2025
-
Not Charging Solved In This Head Lamp Used For Service
These are two headlamps that I keep using while doing the service as I get proper focused light on the point where I look. The head lamp can be adjusted for focus and...
- Posted March 29, 2025
-
A Hand Blender That Works Fine But Has A Hissing Sound Repaired And Maintained
This hand blender was brought by my beloved niece on a Thursday morning and asked me about a hissing sound coming out of it. Sure enough I powered on the device in...
- Posted March 29, 2025
-
How To Test PWM Gate Drive Signal Pulse Using Single Bright LED
It is difficult to check PWM IC working in SMPS without Oscilloscope. Came across trick for testing which give us indication if PWM generating Gate drive signal pulse or not. Reference Circuit...
- Posted March 22, 2025
-
Shorted Backlight LED Drained Battery In LUVLAP Breast Feed Pump
This breast pump was brought to me by one of my hospital colleagues stating that the battery was not getting charged. I opened the bottom by removing four screws underneath which is...
- Posted March 22, 2025
-
A Samsung TV with No Backlight Repaired and Maintained
This TV was brought to me for repair by a friend of mine and asked me to replace the backlight on it. I confirmed the fault by powering on the TV and...
- Posted March 22, 2025
-
Dial Lamp Burning Solved In PHILIPS Valve (Tube) Radio MAESTRO 15RB677/01S
This Radio has visited me for a major work which I have reported earlier. Kindly see the link: https://jestineyong.com/replaced-ift-with-imported-in-philips-valve-tube-radio-model-major/ This time the complaint was that the bulb gets burnt. Replacements of these types of 6.3V 150mA bulbs...
- Posted March 22, 2025