HISENSE RSAG7.820.7748-ROH Power Supply Board RSAG7.820.7748/ROH 247559 P/n 43R6E

( Brand: Hisense ), ( Manufacturer Part Number: RSAG7.820.7748/ROH ), ( Type: Power Supply Board ), ( Compatible Brand: For Hisense ), ( Country Of Origin: China )

Review HISENSE Rsag7.820.7748/roh P/n Power Supply Board

The **Hisense RSAG7.820.7748/ROH 247559 Power Supply Board (P/N for 43R6E series)** is a high-performance, precision-engineered component designed to deliver stable and efficient power distribution to the core electronics of Hisense s 43-inch 6-series LED TVs. This critical board serves as the backbone of the television s electrical system, ensuring that all internal circuits including the main processor, display drivers, and peripheral modules receive a regulated, clean power supply essential for optimal performance, longevity, and reliability. Manufactured with stringent quality controls, this power supply board integrates advanced semiconductor technology, including high-efficiency switching regulators and protective circuitry, to minimize energy loss while maintaining voltage stability across varying load conditions. The board features a robust **DC-DC converter module**, likely incorporating a **PWM (Pulse Width Modulation) controller** paired with MOSFET transistors, which dynamically adjusts output voltage to match the demands of the TV s backlight, tuner, and other high-power components. Additionally, it incorporates **overvoltage protection (OVP), overcurrent protection (OCP), and short-circuit protection (SCP)** mechanisms to safeguard the television from potential electrical faults, thereby preventing costly damage to the internal circuitry. The **ROH (Rohm) 247559** designation indicates the use of high-grade components from Rohm Semiconductor, a trusted manufacturer known for its reliability in power management solutions, ensuring durability even under prolonged usage or fluctuating power conditions. This board is specifically tailored to the **43R6E model**, which likely utilizes an **LED backlight system**, and must provide the precise voltage levels required for the **T-CON (Timing Control) board, display panel, and other integrated circuits** without introducing noise or voltage spikes that could degrade image quality or shorten the TV s lifespan. For technicians and enthusiasts, this power supply board is a vital replacement part, offering seamless compatibility with the original design specifications to restore full functionality to a malfunctioning Hisense 43R6E unit. Its modular and compact design allows for easy installation, making it an ideal solution for repairs without compromising the television s performance or aesthetic integrity.

Buying a replacement power supply board for your Hisense 43R6E TV (model RSAG7.820.7748/ROH 247559) can be a practical solution if the original unit has failed, but there are several factors to consider before making a purchase.

1. **Cost-Effective Repair:** Replacing the power supply board is often cheaper than buying a new TV, especially if the rest of the TV s components are functional. This can save you a significant amount of money compared to purchasing a brand-new model.

2. **Quick Fix:** Power supply failures are common and relatively straightforward to diagnose. If the issue is isolated to the power supply, replacing it can restore your TV s functionality quickly, minimizing downtime.

3. **Compatibility:** The power supply board you re considering (Hisense RSAG7.820.7748/ROH 247559) is likely designed specifically for your TV model, ensuring compatibility without the need for modifications or additional parts.

4. **Accessibility:** Power supply boards for consumer electronics are widely available through online marketplaces, electronics repair shops, and specialized component retailers. This makes it easier to source the part without much hassle.

5. **Potential Longevity:** If the rest of the TV is in good condition, replacing the power supply can extend the life of your TV, allowing you to continue using it for several more years.

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1. **Quality and Reliability Concerns:** Third-party or refurbished power supply boards may not meet the same quality standards as OEM (Original Equipment Manufacturer) parts. Cheap or counterfeit boards could fail prematurely, leading to further repairs or even damage to other components in the TV.

2. **Void Warranty:** If your TV was still under warranty when the power supply failed, attempting a DIY repair or using a non-OEM part may void the warranty. This could leave you without coverage if other issues arise later.

3. **Technical Difficulty:** While power supply replacements are generally straightforward, they do require some technical skill, especially if you re unfamiliar with electronics repair. Mismanagement during installation such as improper soldering, incorrect wiring, or static discharge could cause further damage to the TV or even pose a safety risk (e.g., short circuits or electrical fires).

4. **Limited Support:** If you purchase from an unknown seller or a marketplace without return policies, you may have no recourse if the part is defective or incompatible. Customer service for third-party sellers can also be unreliable compared to official retailers or Hisense support.

5. **Hidden Issues:** Even if the power supply board works initially, underlying problems in the TV (e.g., damaged capacitors, faulty wiring, or wear in other components) could resurface shortly after the replacement. This might require additional repairs, increasing the overall cost.

6. **Safety Risks:** Improper handling of high-voltage components can be dangerous. If you re not experienced with electronics repair, attempting the replacement yourself could lead to injury or damage to the TV.

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Replacing the power supply board for your Hisense 43R6E TV can be a viable and cost-effective solution if you re confident in your ability to diagnose the issue and perform the repair safely. However, the decision should weigh the potential savings against the risks of quality, warranty voidance, and technical challenges. If you re not comfortable with electronics repair, it may be safer and more reliable to consult a professional technician, especially if your TV is still under warranty.

- **If you re experienced with electronics repair and the part is from a reputable seller:** Proceed with caution, ensuring you follow proper safety protocols (e.g., grounding yourself, using the correct tools, and double-checking connections). Consider purchasing an OEM or high-quality aftermarket part to minimize risks.

- **If you re unsure about your technical skills or the part s quality:** Contact Hisense s customer support or an authorized service center to explore warranty options or professional repair. If the TV is out of warranty, seek a trusted local technician to avoid potential pitfalls.

- **If you re on a tight budget and willing to take the risk:** Buy the part from a well-reviewed seller (e.g., eBay with positive feedback, specialized repair shops, or official Hisense parts suppliers) and carefully follow repair guides. Always prioritize safety and accuracy during installation.

Ultimately, the best approach depends on your comfort level, budget, and the urgency of the repair. If possible, verify the part s authenticity and compatibility before purchasing.

Details:

This came from a Hisense Roku 43 TV and was working when I pulled it out after the LED panel died last week. Still sold as-is and untested but It was definitely working before the panel died is nice clean ready for use.

part #: rsag78207748 prices

• $27.93-$67.50

specifications tvboardgo:

• brand: Hisense
• mpn: Rsag7.820.7748/roh
• type: Power Supply Board
• compatible brand: For Hisense
• country of origin: China

shipping tvboardgo:

• class: Standard, Economy
• cost: $15.25
• service: USPS Ground Advantage, UPS Ground Saver
• carrier: USPS, UPS
• type: Calculated
• transit: 5-11 Days

offer tvboardgo:

• best offers: True
• sold: 0
• availability: In Stock
• started: April 16, 2026
• quantity: 1
• options: Ship-to-home

returns tvboardgo:

• policy: No Returns

seller tvboardgo:

• city: Conway, South Carolina
• # reviews: 208
• rating: 100.0%

payments tvboardgo:

• wallet: Google-pay
• other
• credit card: Diners-club

general tvboardgo:

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

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