testers | Ronelex Electronics

Maintenance of Sanwa YX-360TR Plus SCHEMATIC Diagram

Posted by ronelex 12 Responses

For 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

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

Posted by ronelex 14 Responses

We 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... ]