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Making Our Very Own Isolation Transformer

 
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Making Our Very Own Isolation Transformer Ronelex Electronics/Making Isolation Transformer According to Wikipedia, "An isolation transformer is a transformer used to transfer electrical power from a source of alternating current (AC) power to some equipment or device while isolating the powered device from the power source, usually for safety." [caption id="attachment_145" align="aligncenter" width="498"] Photo Credits to:... [ Continue reading... ]

Nov
12

Basics In Electronics : Microcontroller Course

 
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Basics In Electronics : Microcontroller Course Ronelex Electronics/Microcontroller Course Here are the contents of this tutorial: Analog Electronics which includes about The Components of Electricity, Resistor, Capacitor, About Ohm’s Law, Inductor, Diode, Transistor, Relays and OP-Amps. Digital Electronics which includes The Introduction to Decimal, Binary and Hexadecimal and The Introduction to Logic Gates   [slideshare... [ Continue reading... ]

Aug
22

Solution For All China Board TV Can’t Receive Any Channel Signal

 
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Solution For All China Board TV Can’t Receive Any Channel Signal Ronelex Electronics Repair/China Board TV Signal Problem This is for all China Board TV that can't receive any channel signal but the tuner is good and you may not need to replace or reprogram your memory IC. All we need to do is to copy the settings on it. If you don't have the original remote controller of the unit, you can use the Universal Remote Controller Step 1 : set your remote to code 006 and press the 2 three times and the adjust... [ Continue reading... ]

Aug
20

Maintenance of Sanwa YX-360TR Plus SCHEMATIC Diagram

 
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Maintenance of Sanwa YX-360TR Plus SCHEMATIC DiagramFor those who are looking for a copy of the schematic diagram on this type of Analog Multitester and  other brand using the same circuit diagram, you can download the schematic diagram in here. credits to Deantyne [caption id="attachment_135" align="aligncenter" width="500"] credits also to: Deantyne[/caption] For more information about this topic, you can visit Elab Forum for the discussion about this kind of Analog Multitester and... [ Continue reading... ]

Jul
6

Easy Way of Testing a Laptop Backlight(CCFL) and Inverter

 
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Easy Way of Testing a Laptop Backlight(CCFL) and InverterWe will be concentrating on LCD Inverter and CCFL bulb. Laptop with black screen problem is commonly caused by: 1. a defective backlight, which is the cold cathode fluorescent lamp(CCFL) bulb 2. defective laptop's inverter board 3. no video output going to the LCD Screen It is not an easy job repairing laptops specially if we don't have parts that we can use to replace to the parts we are suspecting to be the culprit. So now, we... [ Continue reading... ]

Jul
5

Repairing A DVD Player (No Display, Lights Only, No Buttons Functions)

 
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Repairing A DVD Player (No Display, Lights Only, No Buttons Functions)Repairing A DVD Player With Corrupted Firmware (No Display Lights Only, No Buttons Functions) Let me share to you this tutorial about repairing DVD player caused by corrupted firmware. Thanks to Ikasamoko of ELAB forum for sharing his knowledge on this topic. Problem: The DVD is on Half-Dead state, which means the power supply is OK all over the entire circuits, but no Display, Lights Only and No Response on Buttons or Remote... [ Continue reading... ]

Jun
17

Pisonet DIY: Basic Wiring Setup How to/Tutorial [Tagalog]

 
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Pisonet DIY: Basic Wiring Setup How to/Tutorial [Tagalog]Pisonet DIY: Basic Wiring Setup Howto/Tutorial [Tagalog] You can use this video as a reference when you are building own Pisonet Internet Business in your place.

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Jan
1

Assembling a Pisonet Box (Sample Pictures)

 
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Assembling a Pisonet Box (Sample Pictures) Building own Pisonet with pictures to be used as guide and inspiration in building your very own Pisonet Unit. Bill Of Materials Used in the Assembly : 1 set pc - 12000 1 pc flywood - 870 timer - 250 coinslot - 180 paint and wirings - 500 speakers - 450 locks (mga kandado)- 300 glass - 120   And for the Prices and Specs for the Computer : Hdd Internal: wd 500GB (SATA 6Gb/s) PHP 2750.00 Memory: corsair vengeance... [ Continue reading... ]

Oct
29

Trinium LCD TV 19″ Dead Set Problem

 
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Trinium LCD TV 19″ Dead Set ProblemProblem : Trinium LCD TV 19" Dead Set Problem Power Supply is working fine. The Culprit : Defective 5v LDO Voltage regulator and I replaced it with 7805 V-Regulator. Leak and open Ceramic cap... [ Continue reading... ]

Oct
21
 
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