PAANO AYOSIN ANG SONY BRAVIA NAG PAPATAY SINDI AYAW MAG TULOY NANG BUKAS

jamski tv

11 Feb 202208:07

Summary

TLDRThe video demonstrates a repair process for a Sony Bravia TV with a flickering issue. The technician identifies a problem with the backlight sensor and explains the solution, which involves soldering a 10k resistor to the ground to stabilize the sensor. The video walks viewers through the delicate soldering process, offering tips and techniques for clean soldering. The speaker emphasizes the importance of caution due to the small size of the terminals. After completing the repair, the TV is tested, and the solution is confirmed to work, providing a successful fix for the issue.

Takeaways

📺 A Sony Bravia TV is being diagnosed for a problem where it keeps turning on and off.
🔧 The issue appears to be with the sensor, specifically the backlight sensor, at pin number 31.
🛠️ The technician is installing a 10k resistor to ground the sensor and fix the problem.
🧑‍🏫 The technician explains the importance of careful soldering, as the components are very small.
⚡ Soldering tips are provided, including ensuring the area is clean before connecting components.
🕹️ The repair involves connecting a resistor to the sensor as a temporary solution to manage the control issue.
🛠️ The backlight control chip, called Spider IC, is also mentioned as something that might need replacement.
🎥 The video demonstrates the process of soldering the resistor and testing the repair.
⚙️ The technician emphasizes careful heating during the soldering process to ensure a clean connection.
✅ The repair is completed, and the TV is successfully tested, confirming the problem is fixed.

Q & A

What is the main problem being addressed in the video?
-The main problem is that the Sony Bravia TV keeps turning on and off unexpectedly.
What solution is proposed to fix the TV issue?
-The solution involves adding a 10k resistor to the backlight sensor to stabilize the control system and address the issue with the Spider IC.
Why is a 10k resistor being used?
-The 10k resistor is used to stabilize the sensor and prevent the backlight from malfunctioning due to issues with the Spider IC.
What is the role of the Spider IC in the TV?
-The Spider IC controls the backlight of the TV. If it malfunctions, it causes the TV to turn on and off repeatedly.
What additional steps are taken to ensure proper repair?
-Careful soldering techniques are emphasized, especially due to the small size of the terminals. Cleaning the surface before soldering is also crucial.
Why is the presenter discussing soldering techniques?
-The presenter is teaching viewers proper soldering techniques to ensure a clean and secure connection, which is essential when dealing with delicate electronics like a TV.
What precautions does the presenter suggest when soldering?
-The presenter suggests heating the soldering area before applying the solder to ensure a clean and strong bond.
What environment is the repair taking place in?
-The repair is taking place in an open area, which the presenter notes because of the background noise.
What is the final outcome of the repair?
-After soldering the 10k resistor, the TV is tested and works properly without turning on and off unexpectedly.
Why is the presenter confident that the repair will work?
-The presenter has experience with similar issues and understands that the resistor will help stabilize the backlight control system, preventing further issues.