HISENSE 349934 Board Roh 349935 55U6N RSAG7.820.13538/ROH 352315

( Brand: Hisense ), ( Manufacturer Part Number: 349934 ), ( Compatible Brand: For Hisense ), ( Type: Main Board ), ( Compatible Model: 56u6n, 55u6n ), ( Country Of Origin: China )

Review HISENSE Main Board Rsag7.820.13538/roh

The Hisense **349934** and **349935** replacement motherboards are meticulously engineered to ensure seamless compatibility and optimal performance for the **Hisense 55U6N (RSAG7.820.13538)** and **ROH 352315** series of smart TVs, delivering a robust foundation for advanced display technology. Designed with precision, these motherboards integrate high-quality components to support the TV s cutting-edge features, including **4K Ultra HD resolution**, **HDR (High Dynamic Range)**, and **AI-powered processing** for enhanced visual clarity and color accuracy. The board features a **dedicated display controller** optimized for Hisense s proprietary **ULED (Ultra Light Emitting Diode)** backlighting technology, ensuring vibrant, lifelike colors and deep blacks for an immersive viewing experience. Built with **low-power consumption** in mind, these motherboards incorporate energy-efficient circuitry to prolong the lifespan of the TV while maintaining peak performance, even during extended usage.

The **349934** and **349935** models are equipped with **multi-format decoding capabilities**, allowing seamless playback of **H.265/HEVC, H.264/AVC, and VP9** video formats, as well as **Dolby Vision and Atmos** for superior audio-visual synchronization. Their **dedicated tuner modules** ensure reliable reception for **ATSC 3.0, DVB-T2, and other regional broadcasting standards**, making them versatile for global markets. Additionally, these boards support **Wi-Fi 5 (802.11ac)** and **Bluetooth 4.2** connectivity, enabling smooth integration with smart home ecosystems, streaming services, and voice assistants like **Google Assistant, Alexa, and Siri**. The inclusion of **Hisense s proprietary AI upscaling technology** further elevates image quality, intelligently enhancing lower-resolution content to near-native 4K levels, reducing pixelation and blurring for a sharper, more detailed picture.

For technicians and DIY enthusiasts, the **349934/349935** boards are designed with **ease of installation** in mind, featuring **standardized mounting holes** and **compatible connector layouts** that align perfectly with the original TV s chassis. The use of **high-reliability capacitors and resistors** minimizes the risk of failure over time, while the **shielded PCB design** helps reduce electromagnetic interference, ensuring stable operation. Whether replacing a faulty original board or upgrading for enhanced functionality, these motherboards provide a **direct, drop-in replacement solution** that maintains all the original TV s smart features, connectivity options, and display capabilities. With a focus on **durability, compatibility, and performance**, the Hisense **349934/349935** motherboards are an ideal choice for restoring or upgrading these premium smart TV models to their full potential.

### **Pros and Cons of buying a Hisense 349934/349935 Board (55U6N RSAG7.820.13538 / ROH 352315)**

#### **Overview**

This refers to a **Hisense 55-inch ULED TV** (model **55U6N**) with a **RSAG7.820.13538** firmware version and a **ROH 352315** board variant. This TV is part of Hisense s mid-to-upper mid-range lineup, offering features like **MiniLED backlighting, Dolby Vision, and high refresh rates**. Below is a detailed analysis of its advantages and drawbacks.

---

### **Pros**

1. **MiniLED Backlighting with Local Dimming**

- Provides **better contrast and deeper blacks** compared to standard LED TVs, reducing blooming in dark scenes.

- Enhances **HDR performance**, making colors appear more vibrant and lifelike.

- Improves overall picture quality, especially in well-lit rooms.

2. **Good Color Volume and HDR Support**

- Supports **Dolby Vision and HDR10**, delivering rich, accurate colors for movies and gaming.

- Wider **color gamut** (likely covering **90% DCI-P3**), making it suitable for content creators and cinephiles.

- **MiniLED technology** helps maintain consistent brightness across the screen.

3. **High Refresh Rate (120Hz) and Low Input Lag**

- **120Hz native refresh rate** with **HDMI 2.1 support**, making it suitable for **gaming (PS5, Xbox Series X S, and PC)**.

- **Low input lag ( 10-15ms)** in gaming modes, improving responsiveness.

- **VRR (Variable Refresh Rate) support** reduces screen tearing in fast-paced games.

4. **Smart TV Platform (Google TV / Hisense UI)**

- Runs on **Google TV OS**, offering **Google Assistant integration, Netflix, YouTube, and app ecosystem**.

- **Smooth navigation** with a well-organized interface.

- **Voice control** via Google Assistant for hands-free operation.

5. **Thin and Sleek Design**

- **Ultra-thin bezel** (1.9mm) and **wall-mount ready**, making it ideal for modern TV stands or mounting.

- **Elegant stand design** with a clean, minimalist look.

6. **Ambient Light Sensor & Auto Brightness**

- Adjusts brightness based on **room lighting conditions**, improving viewing comfort.

- Helps reduce eye strain in different environments.

7. **Decent Audio Performance (For a TV)**

- **Dolby Audio support** enhances sound quality for movies and music.

- **Downward-firing speakers** (if applicable) improve sound projection in larger rooms.

- While not a **soundbar replacement**, it performs better than most TVs in its class.

8. **Reliable Brand with Good Warranty**

- Hisense is a **well-established brand** with a reputation for **durability and customer support**.

- Typically comes with a **1-2 year warranty** (varies by region), which can be extended.

9. **Affordable for MiniLED Performance**

- Compared to **Samsung QLED or LG NanoCell**, this TV offers **similar MiniLED benefits at a lower price**.

- Good **value for money** if you prioritize **picture quality over brand prestige**.

10. **Compatibility with Modern Devices**

- Supports **4K 120Hz, HDMI 2.1, and eARC**, making it future-proof for **next-gen gaming and streaming**.

- Works well with **4K Blu-ray, gaming consoles, and streaming services**.

---

### **Cons**

1. **MiniLED Performance Not as Advanced as High-End TVs**

- While **better than standard LED**, Hisense s MiniLED implementation is **not as refined as Samsung s QD-OLED or LG s NanoCell**.

- **Edge lighting may still be visible** in some viewing angles, though less than traditional LED TVs.

- **Not as sharp as OLED** in terms of **infinite contrast ratio** (OLED turns off pixels completely).

2. **Color Accuracy Can Vary**

- Some users report **slight color casts** (especially in factory settings), requiring **calibration**.

- **Not as precise as professional-grade displays** (e.g., Sony X950H, LG C3).

3. **Build Quality & Durability Concerns**

- **Plastic components** (stand, remote) feel **cheaper than premium TVs** (e.g., Samsung QN90C).

- **Remote control** is **basic** (no voice remote in some regions).

- **No built-in cooling system** (reliant on ambient air), which could be an issue in **hot climates**.

4. **Google TV UI Can Be Laggy**

- Some users experience **minor stuttering** in the Google TV interface, though it s not severe.

- **App selection is decent but not as extensive as Samsung Tizen or LG webOS**.

5. **Limited HDR Content Optimization**

- While it supports **Dolby Vision and HDR10**, **HDR10 is not included**, which is a drawback for some users.

- **Peak brightness ( 800-900 nits)** is good but **not as high as top-tier TVs** (e.g., LG C3 at 1,500 nits).

6. **Potential Firmware Issues**

- Some **older Hisense models** have had **software bugs** (e.g., app crashes, lag).

- **Firmware updates may not be as frequent** as competitors like Samsung or LG.

7. **No Built-in Sound Enhancements (Like Dolby Atmos)**

- While it supports **Dolby Audio**, it **does not have Dolby Atmos**, meaning **no 3D audio experience**.

- Requires **external soundbars/surround systems** for immersive audio.

8. **Resale Value is Low**

- Hisense TVs **depreciate quickly**, so if you plan to **upgrade soon**, resale value may not justify the purchase.

9. **Limited Gaming Features Compared to High-End TVs**

- **No ALLM (Auto Low Latency Mode) in all modes** (some users report it doesn t always activate).

- **No FreeSync Premium** (only VRR), which may not sync perfectly with **AMD GPUs** in some cases.

10. **Potential Availability & Support Issues**

- **Spare parts and repairs** may be **harder to find** compared to Samsung or LG.

- **Customer service varies by region** some users report **slow responses** for warranty claims.

---

### **Conclusion**

The **Hisense 55U6N (RSAG7.820.13538 / ROH 352315)** is a **solid mid-range TV** that delivers **strong MiniLED performance at a competitive price**. It excels in **gaming, HDR, and smart TV features**, making it a **great choice for casual gamers, movie lovers, and those who prioritize picture quality over premium branding**.

However, it **lacks the polish of high-end TVs** (like Samsung QLED or LG OLED) in terms of **color accuracy, build quality, and software refinement**. If you re looking for **the best possible picture**, you might consider **upgrading to a Samsung QN90C or LG C3**, but for **budget-conscious buyers who want MiniLED without breaking the bank**, this is a **strong alternative**.

---

### **Recommendation**

- You want a **4K HDR TV with MiniLED at a lower price** than Samsung/LG.

- **Gaming is a priority** (120Hz, HDMI 2.1, low input lag).

- You **don t need OLED-level blacks** but want **better contrast than standard LED**.

- You prefer **Google TV** over Samsung Tizen or LG webOS.

- You re **not overly concerned about long-term resale value**.

- You **need perfect color accuracy** (consider Sony X950H or LG C3).

- You want **the best possible build quality** (Samsung QN90C has a premium feel).

- You **require Dolby Atmos or advanced audio features**.

- You re in a **region with poor Hisense support** (check local service availability).

- You **plan to upgrade soon** (resale value is low).

The **Hisense 55U6N is a well-rounded TV** that **offers great value for its price**, especially for **gamers and HDR enthusiasts**. If you **prioritize picture quality over brand prestige**, it s a **strong recommendation**. However, if you want **the absolute best**, investing a little more in **Samsung QLED or LG OLED** may be worth it for **long-term satisfaction**.

Would you like recommendations for **alternative models** in a similar price range?

Details:

Model OF ORIGINAL TV PARTS REMOVED FROM: 55U6N. PART# 349934.

part #: 349934 prices

• $18.15-$40.00

specifications tvboardgo:

• brand: Hisense
• mpn: 349934
• compatible brand: For Hisense
• type: Main Board
• compatible model: 56u6n, 55u6n
• country of origin: China

offer tvboardgo:

• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: February 20, 2026
• availability: In Stock

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seller tvboardgo:

• city: Glenview, Illinois
• # reviews: 550
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general tvboardgo:

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

shipping tvboardgo:

• carrier: USPS, UPS, FedEx
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• service: USPS Ground Advantage, UPS Ground, FedEx Ground / FedEx Home Delivery, USPS Priority Mail
• cost: $7.46
• type: Calculated

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