Introduction
This manual provides instructions for the Smartby AKB73975702 remote control, a direct replacement for various LG Smart LED HDTV models. This remote is designed to function without any programming, requiring only battery installation to operate your compatible LG television.
Setup
1. Battery Installation
The remote control requires two AAA batteries (not included) for operation. Follow these steps to install them:
- Locate the battery compartment on the back of the remote control.
- Press down on the latch and slide the battery cover downwards to open it.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery cover back into place until it clicks securely.

Image: Back of the remote control with the battery compartment open, illustrating the correct insertion of AAA batteries.
Note:
- Ensure batteries are inserted with the correct polarity. Incorrect installation can prevent the remote from functioning.
- Replace both batteries simultaneously when they are depleted.
- Do not mix old and new batteries, or different types of batteries.
Operating Instructions
This remote control is designed for immediate use with compatible LG Smart LED HDTV models without requiring any programming. Simply point the remote at your television and press the desired button.

Image: Front view of the remote control, displaying all functional buttons.
Key Functions:
| Button | Function |
|---|---|
| Power (●) | Turns the TV on or off. |
| Input | Selects the input source (HDMI, AV, Component, etc.). |
| TV | Switches to TV mode. |
| Ratio | Adjusts the screen aspect ratio. |
| Caption | Activates or deactivates closed captions. |
| Info | Displays program information. |
| Number Buttons (0-9) | Direct channel selection. |
| List | Accesses the channel list. |
| Q.View | Switches to the previously viewed channel. |
| FAV | Accesses favorite channels. |
| CH Page (▲/▼) | Changes channels up or down. |
| Vol (▲/▼) | Adjusts volume up or down. |
| Mute | Mutes or unmutes the TV sound. |
| Smart | Accesses the Smart TV features/home menu. |
| My Apps | Opens the applications menu. |
| Q.Menu | Opens the Quick Menu for common settings. |
| Guide | Displays the electronic program guide. |
| Settings | Accesses the TV's main settings menu. |
| Navigation Pad (Up, Down, Left, Right) | Navigates through menus and options. |
| OK | Confirms selections. |
| Back | Returns to the previous screen or menu. |
| Exit | Exits the current menu or application. |
| Live TV | Switches to live television broadcast. |
| REC | Initiates recording (if supported by TV and external device). |
| Playback Controls (Play, Pause, Stop, Rewind, Fast Forward) | Controls media playback. |
| Color Buttons (Red, Green, Yellow, Blue) | Context-sensitive functions within menus or applications. |
Maintenance
- Cleaning: Use a soft, dry cloth to clean the remote control. Do not use liquid cleaners or abrasive materials.
- Battery Replacement: Replace batteries when the remote's response becomes sluggish or stops working. Always replace with new AAA batteries.
- Storage: If the remote will not be used for an extended period, remove the batteries to prevent leakage and damage.
- Avoid Damage: Do not drop the remote, expose it to extreme temperatures, or immerse it in water.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote is not working. | Dead or incorrectly installed batteries. | Check battery polarity. Replace with fresh AAA batteries. |
| Remote range is poor. | Weak batteries; Obstruction between remote and TV; Remote sensor on TV is blocked. | Replace batteries. Remove any objects blocking the line of sight to the TV's IR sensor. Ensure the TV's IR sensor is clean. |
| Certain buttons do not respond. | Remote may not be fully compatible with all specific TV functions; Button malfunction. | Verify TV model compatibility. If other buttons work, the specific function might not be supported or the button is faulty. |
| TV does not respond to any remote commands. | TV is off or unplugged; TV's IR sensor is faulty; Remote is faulty. | Ensure TV is powered on. Test with another remote if available. If the issue persists, contact TV manufacturer support. |
Specifications
- Model: AKB73975702
- Brand: Smartby
- Compatibility: Replacement for various LG Smart LED HDTV models (e.g., 42LD550, 32LD550, 47LD650, etc. - refer to product description for full list).
- Connectivity Technology: Infrared (IR)
- Power Source: 2 x AAA Batteries (not included)
- Dimensions: Approximately 6.6 x 2.2 x 0.7 inches (16.8 x 5.6 x 1.8 cm)
- Weight: Approximately 2.4 ounces (68 grams) without batteries
Warranty and Support
This Smartby remote control comes with a 30-day hassle-free return policy. For any issues or inquiries, please refer to the seller's return policy or contact the seller directly through the platform where the purchase was made.
For specific TV functions or advanced settings, please consult your LG television's original user manual or LG's official support resources.
Seller: Genuine Parts Center
Amazon Store Link: Smartby Store on Amazon
