All posts by Jestine Yong
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50″ LED TV Display Problem Repaired
Hello everyone, this is my first participation in Jestine Yong’s blog. The TV subject to this participation is mine, I bought it more three years and it is out...
- Posted December 12, 2017
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Manifold Absolute Barometric Pressure Sensor testing
Hi! A couple of days ago I got a mission how to test a MAP ( Baro ) sensor from a car. The MAP sensor is converting the engine...
- Posted December 12, 2017
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221K 2KV Cap Cracked In Power Supply
Received one desktop computer for repair; stating the problem symptom of no power. I have checked computer by applying the power to the SMPS but there is...
- Posted December 8, 2017
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LED TV That I’m Not Able To Repair
The complaint of this 32 inch LED TV was white screen with color vertical lines in a square box as seen from the photo below: Before I opened the TV...
- Posted December 8, 2017
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Completed Another Advanced Electronics Repair Course
Just completed another Advanced Electronics Repair course for two participants. Both of them already taken the Basic Electronics not long ago. Take a look at the photos...
- Posted December 8, 2017
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Laptop Horizontal Color Line Bar Problem Solved
Received one laptop in my workshop with the problem of – Horizontal line color Bar at bottom of the screen. Look at the photo below: This laptop...
- Posted December 4, 2017
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Servicing Two Valve Radios
I received two Valve Radios from a customer, with the complaint ‘No sound’. One was GEC and another UMS. Very sorry that I do not have the latest picture...
- Posted December 4, 2017
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New Wasmachine and Tumble Dryer Repair
These days a single bad component can stop a complete machine from working. It can be a simple lambda probe in your car that needs fixing before the...
- Posted November 27, 2017












