Introduction
This manual provides comprehensive instructions for the ALLIMITY FSR66 ZJ78750 replacement infrared remote control. It is specifically designed to operate various Yamaha Sound Bar and Home Audio Speaker Systems. Please read this manual thoroughly before use to ensure proper operation and to maximize the longevity of your remote control.
Safety Information
Please observe the following safety guidelines to prevent damage to the remote control or potential injury.
- Battery Handling: Use only new alkaline batteries of the specified type (AAA). Do not mix old and new batteries, or different types of batteries. Ensure correct polarity (+/-) when inserting batteries.
- Disposal: Dispose of used batteries according to local environmental regulations. Do not incinerate batteries.
- Storage: Store the remote control in a dry place, away from direct sunlight, high humidity, and extreme temperatures.
- Cleaning: Use a soft, dry cloth to clean the remote control. Do not use liquid cleaners, aerosols, or abrasive materials.
Package Contents
The package includes:
- 1 x ALLIMITY FSR66 ZJ78750 Replacement IR Remote Control
Setup
Battery Installation
The remote control requires two AAA alkaline batteries (not included).
- Locate the battery compartment cover on the back of the remote control.
- Press down on the tab and slide the cover off.
- Insert two new AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Image: Back of the remote control with the battery compartment open, illustrating how to insert two AAA batteries. The compartment clearly shows markings for AAA/R3/LR3 batteries and polarity indicators.
Initial Use
After installing the batteries, the remote control is ready for use. No programming is required for this infrared replacement remote.
To operate your Yamaha Sound Bar or Home Audio Speaker System, point the remote control directly towards the infrared (IR) sensor on your device. Ensure there are no physical obstructions between the remote control and the device's sensor.
Operating Instructions
This section describes the functions of the buttons on your ALLIMITY FSR66 ZJ78750 replacement remote control.

Image: Front view of the ALLIMITY FSR66 ZJ78750 replacement remote control, displaying all buttons and their respective labels for various functions.
Button Functions
| Button | Function |
|---|---|
| Power (Red Button) | Turns the connected Yamaha device On or Off. |
| TV | Selects TV input. |
| BD/DVD | Selects Blu-ray/DVD input. |
| COAXIAL | Selects Coaxial digital input. |
| ANALOG | Selects Analog input. |
| BLUETOOTH | Selects Bluetooth input. |
| BLUETOOTH STANDBY | Activates or deactivates Bluetooth standby mode. |
| SURROUND | Engages or disengages surround sound mode. |
| STEREO | Selects stereo sound mode. |
| CLEAR VOICE | Enhances dialogue clarity. |
| UNI VOLUME | Activates or deactivates uniform volume control. |
| AUDIO DELAY | Adjusts audio delay for synchronization. |
| SUBWOOFER (+/-) | Adjusts subwoofer volume level. |
| VOLUME (+/-) | Increases or decreases the main volume. |
| MUTE | Mutes or unmutes the audio output. |
| LEARN | (Functionality depends on the specific Yamaha model; typically used for learning commands from another remote.) |
| REPEATER | (Functionality depends on the specific Yamaha model; typically related to IR signal repetition.) |
Compatible Yamaha Models
This ALLIMITY FSR66 ZJ78750 replacement remote control is compatible with a wide range of Yamaha Sound Bar and Home Audio Speaker Systems, including but not limited to the following models:

Image: The ALLIMITY FSR66 ZJ78750 remote control displayed alongside a home audio setup, emphasizing its compatibility with various Yamaha sound systems. The image also highlights the remote's model numbers.
- YAS-103, YAS-105, YAS-106, YAS-107, YAS-108
- YAS-203, YAS-207
- ATS-1030, ATS-1060, ATS-1070, ATS-1080
- ATS-1050, ATS-1050-R
- YAS-103BL, SRT-700
- FSR71, FSR73, FSR78
- ZP80760, ZP807600, ZV28960, ZV289600, ZJ787500
If your specific model is not listed, please refer to your device's original manual or contact customer support for compatibility verification.
Troubleshooting
If you experience issues with your remote control, please consult the following common solutions:
- Remote Not Responding: Ensure new alkaline batteries are correctly installed with proper polarity. Point the remote directly at the device's IR sensor, ensuring no obstructions. Test the remote at a closer distance.
- Intermittent Operation: Replace batteries with a fresh set of AAA alkaline batteries. Check for any interference sources near the device's IR sensor.
- Specific Button Not Working: Ensure the remote is pointed correctly. If only one button fails, it might indicate a specific issue; try replacing batteries first.
If these steps do not resolve the issue, please contact customer support for further assistance.
Specifications

Image: The ALLIMITY FSR66 ZJ78750 remote control with overlaid measurements, indicating a length of 4.33 inches (11 cm) and a width of 2.17 inches (5.5 cm).
| Feature | Detail |
|---|---|
| Model | FSR66 ZJ78750 |
| Type | Infrared (IR) Replacement Remote Control |
| Power Source | 2 x AAA Alkaline Batteries (not included) |
| Dimensions (L x W x H) | Approximately 5 x 2 x 0.6 inches (12.7 x 5.08 x 1.52 cm) |
| Weight | Approximately 1 ounce (28.35 grams) without batteries |
| Color | Black |
| Special Feature | Ergonomic design |
Care and Maintenance
- Cleaning: Gently wipe the remote control with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or alcohol, as these can damage the surface.
- Storage: When not in use for extended periods, remove the batteries to prevent leakage. Store the remote in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Drops: Protect the remote control from drops and impacts, which can damage internal components.
Customer Support
For any questions, concerns, or issues not covered in this manual, please contact ALLIMITY customer service. Our team is dedicated to providing assistance and will respond to your inquiries within 24 hours.
Please have your product model (FSR66 ZJ78750) and a clear description of the issue ready when contacting support.
For the most up-to-date support information, please visit the ALLIMITY official website or the platform where you purchased the product.
