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.

Outlines

00:00

🛠️ Troubleshooting a Sony Bravia TV Issue

In this segment, the speaker introduces a problem with a Sony Bravia TV. The main issue involves the TV turning on and off repeatedly, which is attributed to a malfunction in the sensor. The speaker explains how the sensor problem is linked to the backlight and proceeds to address the issue by installing a 10k resistor to stabilize the sensor. The speaker also gives tips on how to handle small, delicate terminals while soldering, emphasizing precision and cleanliness for a successful repair.

05:02

⚙️ Final Testing and Results of TV Repair

After completing the repair and soldering process, the speaker conducts a final test of the Sony Bravia TV. Despite the background noise in the open workspace, the repair is successful. The speaker expresses relief and satisfaction as the TV works correctly. The video concludes with the speaker highlighting the importance of careful soldering techniques and the rewarding feeling of a job well done.

Mindmap

Keywords

💡Sony Bravia

Sony Bravia is a brand of high-definition televisions produced by Sony. In the video, the person is working on a Sony Bravia TV, indicating that the repair is being done on a specific model of this brand. This sets the context for the technical repair process being described.

💡Sensor

The sensor in this video refers to a component of the TV that detects signals, possibly related to the backlight function. The repair focuses on troubleshooting an issue with the sensor, which the speaker identifies as a cause of the malfunction. This is key to understanding the specific problem with the TV.

💡Backlight

The backlight is a crucial part of the TV that illuminates the display, allowing viewers to see the image clearly. The problem being addressed in the video involves the backlight flickering on and off, suggesting a malfunction in the TV's lighting system. The repair revolves around fixing this issue.

💡10k resistor

A 10k resistor is a small electronic component that limits the flow of electrical current. In the video, the technician uses this resistor to help fix the sensor problem. It is a key part of the repair solution, as adding it is meant to stabilize the backlight control.

💡Ground

Ground refers to the common return path for electrical current in a circuit. In the repair process, the speaker mentions connecting the resistor to the ground, which is a standard procedure in electronics to ensure stability and safety in electrical circuits.

💡Spider IC

The Spider IC (Integrated Circuit) is a specific type of microchip used in electronics, possibly for controlling functions in the TV like the backlight. The speaker refers to it as a component that might need replacement but is instead being repaired with a workaround involving the resistor.

💡Paghihinang (Soldering)

Soldering is the process of joining two metal components by melting solder. The speaker provides a tutorial on proper soldering techniques, emphasizing its importance in electronics repair. The careful soldering of the tiny terminals is essential for successfully connecting the 10k resistor to the circuit.

💡Terminal

Terminals are connection points in an electronic device where wires or components are attached. In this context, the speaker highlights the small size of the terminals in the TV, making the soldering process more delicate and requiring precision to avoid short circuits.

💡Control

Control in this context refers to the system managing the TV's backlight function. The speaker is troubleshooting and repairing the control mechanism, which could be causing the backlight to flicker. The added resistor is intended to fix this control issue.

💡Testing

Testing is the final step after the repair, where the technician verifies if the TV is functioning properly. In the video, after soldering the resistor and addressing the backlight issue, the technician powers on the TV to check if the repair was successful.

Highlights

Checking a Sony Bravia TV issue with random power cycling.

Identified the main issue: power cycling caused by a sensor malfunction.

Plan to fix the sensor issue by connecting a 10k resistor to pin 31.

Explaining that soldering will be done to repair the sensor problem, specifically for beginners.

Highlighting the difficulty of soldering due to the small size of the terminals.

Ensuring that the area is clean before beginning the soldering process.

Started soldering the 10k resistor onto the pin to fix the sensor issue.

The sensor malfunction affects the control of the backlight (referred to as Spider IC).

Plan to replace the Spider IC but trying a repair solution with the resistor first.

Demonstrating the correct technique for clean soldering by heating the solder before applying it.

Soldering completed successfully with a neat and proper connection.

The soldering technique requires precision and patience, especially with tiny terminals.

Successfully repaired the TV sensor by connecting the resistor and preventing further power cycling.

Testing the TV after the repair shows that it is working properly again.

Final confirmation that the repair was effective, and the TV issue is resolved.