SONY APS-258-AU Power Supply Board APS-258/AU KDL-22EX308

( Brand: Sony ), ( Manufacturer Part Number: APS-258/AU ), ( Type: Power Supply Board ), ( Country Of Origin: China )

Review SONY Aps-258/au Power Supply Board Ch

The **Sony APS-258/AU KDL-22EX308 Power Supply Board** is a critical and highly specialized component designed to regulate and distribute electrical power to Sony s KDL-22EX308 LCD television, ensuring reliable operation, longevity, and optimal performance. This board, often referred to as the main power supply module or PSU (Power Supply Unit), is engineered to convert and stabilize alternating current (AC) from the wall outlet into the precise direct current (DC) voltages required by the television s internal circuits, including the main processor, backlighting, and other high-demand components. Constructed with a robust combination of high-quality capacitors, inductors, transformers, MOSFET transistors, and precision voltage regulators, this board is built to handle the demanding electrical loads of modern flat-panel displays while maintaining efficiency and minimizing heat generation. Its compact yet durable design integrates advanced protection mechanisms, such as over-voltage, over-current, and short-circuit safeguards, to prevent damage to both the board itself and the television in the event of electrical anomalies or power fluctuations. The APS-258/AU board is also equipped with a **PFC (Power Factor Correction)** circuit, which optimizes energy consumption by reducing harmonic distortion and improving overall power efficiency, thereby lowering electricity costs and reducing environmental impact. For technicians and DIY enthusiasts, this component is indispensable for repairs, as failures in the power supply board often manifest as complete power loss, flickering screens, or erratic behavior in the TV, making its replacement a common and necessary procedure. Whether sourced as an original Sony replacement or a high-quality aftermarket alternative, this power supply board is a testament to Sony s engineering precision, ensuring that the KDL-22EX308 operates with the reliability and clarity it is known for.

### Pros and Cons of Buying a Used Sony APS-258/AU KDL-22EX308 Power Supply Board

1. **Cost-Effective Solution** Replacing the entire TV can be expensive, especially for older models. A used or refurbished power supply board is significantly cheaper than buying a new TV, making it a practical choice for those on a budget.

2. **Compatibility** The power supply board for the KDL-22EX308 (and similar models like the APS-258) is designed specifically for this TV, ensuring proper functionality if sourced correctly.

3. **Ease of Repair** If the TV s main issue is the power supply, replacing just this component avoids the hassle of troubleshooting other potential faults (e.g., faulty capacitors, backlight issues, or motherboard problems).

4. **Availability of Parts** Since these TVs are older, finding a replacement power supply board (either new or used) is relatively straightforward, especially from specialty electronics repair shops or online marketplaces.

5. **Potential for Long-Term Use** If the rest of the TV is in good condition, a working power supply board can extend the lifespan of the unit, making it a viable option for those who still rely on their older TVs.

1. **Risk of Counterfeit or Damaged Parts** Purchasing from unverified sellers (especially online) increases the chance of receiving a faulty, refurbished, or counterfeit board. This could lead to further repairs or a non-functional TV.

2. **Lack of Warranty** Used or refurbished parts typically come without a warranty, meaning you bear the full risk if the board fails shortly after installation.

3. **Technical Difficulty** Replacing the power supply board requires basic electronics knowledge and careful handling to avoid damaging other components (e.g., capacitors, the motherboard, or the backlight). Improper installation can render the TV unusable.

4. **Compatibility Issues** While the APS-258 and KDL-22EX308 share a similar power supply, slight variations in model numbers or regional differences (e.g., AU vs. other variants) may require a perfectly matching part. Mismatches can cause power issues or even damage the TV.

5. **Age-Related Wear** Older TVs may have degraded components (e.g., capacitors, wiring, or the motherboard) that could fail after the power supply replacement, leading to additional repair costs.

6. **Limited Support** Unlike buying a new TV, you won t have access to manufacturer support, return policies, or software updates if the TV has any integrated features (e.g., smart TV functions, which are rare in this model).

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Buying a used or refurbished Sony APS-258/AU KDL-22EX308 power supply board can be a cost-effective way to revive an older TV, provided you source the part carefully and are prepared for potential risks. It is ideal for those who:

- Have a TV with confirmed power supply failure,

- Are comfortable with basic electronics repairs,

- Want to avoid the expense of a new TV,

- Can verify the authenticity and quality of the part.

However, if you are not technically inclined, unsure about the TV s other components, or unwilling to take the risk of a faulty part, it may be safer to:

- Seek professional repair services (if available),

- Consider buying a used/refurbished TV instead of just the power board,

- Explore alternatives like a monitor or a newer budget TV if the repair is not worth the effort.

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1. **Verify the Part s Authenticity** Purchase from a reputable seller (e.g., eBay with positive feedback, specialized electronics repair shops, or trusted online marketplaces). Ask for a return policy or warranty if possible.

2. **Check for Compatibility** Ensure the power supply board matches your exact model (KDL-22EX308/AU or similar). Cross-reference with the TV s service manual or a repair forum.

3. **Test the Board Before Installation** If possible, test the board in another compatible TV to confirm it works. This reduces the risk of buying a dead part.

4. **Follow Proper Installation Steps** Disconnect all power sources, ground yourself to avoid static damage, and carefully replace the board. Refer to a repair guide or video tutorial if unsure.

5. **Consider Professional Help** If you lack confidence in DIY repairs, hire a technician to install the board, especially if the TV has any remaining warranty or if you re unsure about other potential issues.

6. **Weigh the Cost vs. Benefit** Calculate whether the cost of the power supply plus any additional parts (e.g., capacitors, wiring) is justified compared to the TV s current value or the cost of a new TV.

**Final Verdict:** If you are diligent in sourcing the part and comfortable with the repair process, buying a used power supply board can be a worthwhile investment. Otherwise, prioritize professional repair or alternative solutions to avoid further complications.

Details:

Sony KDL-22EX308 Power Supply Board APS-258/AU CH, Read - Look at Pictures is in good condition Tested and working Taken from a TV with Cracked Screen What Pictured what being sold. Unit was visually checked, which means the screen had a picture, menu could be accessed, audio checked I heard sound, and WIFI connection established If equipped.

part #: aps258 prices

• $15.00-$35.00

specifications tvboardgo:

• brand: Sony
• mpn: Aps-258/au
• type: Power Supply Board
• country of origin: China

offer tvboardgo:

• availability: In Stock
• started: April 15, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• quantity: 1

seller tvboardgo:

• city: Cedar Hill, Missouri
• rating: 100.0%
• # reviews: 505

shipping tvboardgo:

• service: USPS Ground Advantage
• transit: 3-8 Days
• class: Standard
• carrier: USPS
• cost: $9.79
• type: Calculated

payments tvboardgo:

• other
• wallet: Google-pay
• credit card: Discover

general tvboardgo:

• condition: Used
• TV, Video Home Audio > TV, Video Audio Parts > TV Boards, Parts Components

returns tvboardgo:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days
• method: Money back

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