Introduction
This manual provides instructions for the UBay RM-YD040 Remote Control, designed for use with various Sony Bravia Home Theater Systems and compatible Sony TV models. This remote control is a direct replacement and requires no programming.
Setup
1. Battery Installation
The RM-YD040 remote control operates on two AAA batteries (not included). Follow these steps to install the batteries:
- Locate the battery compartment on the back of the remote control.
- Press down on the latch and slide the battery cover off.
- Insert two new 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.
Important Note: This remote control requires no programming. Once batteries are installed, it is ready for use with compatible Sony devices.

Image: Front view of the UBay RM-YD040 remote control, showing all buttons and layout. The battery compartment is located on the reverse side.
Operating the Remote Control
The RM-YD040 remote control provides full functionality for compatible Sony Bravia Home Theater Systems and televisions. Point the remote directly at the infrared receiver on your device for optimal performance.
Key Button Functions:
- POWER (Green Button): Turns the connected device on or off.
- INPUT: Selects the input source (e.g., HDMI 1, AV, Component).
- THEATER: Activates the Home Theater mode.
- BRAVIA Sync: Controls compatible Sony Bravia Sync devices.
- PLAY/PAUSE/STOP/PREV/NEXT: Media playback controls.
- 3D: Activates or deactivates 3D display mode on compatible TVs.
- Number Buttons (0-9): Direct channel selection or inputting numbers.
- VOL (+/-): Adjusts the volume level.
- CH (+/-): Changes the television channel.
- MUTING: Mutes or unmutes the audio.
- GUIDE: Displays the electronic program guide.
- FAVORITES: Accesses favorite channels or content.
- DISPLAY: Shows on-screen information.
- OPTIONS: Displays context-sensitive options menu.
- HOME/MENU: Accesses the main menu or home screen of the device.
- Navigation Buttons (Up, Down, Left, Right, ENTER): Navigates through menus and confirms selections.
- RETURN: Goes back to the previous screen or menu.
- CC/SUBTITLE: Toggles closed captions or subtitles.
- INTERNET VIDEO/QRIOCITY: Accesses internet video services (functionality depends on the connected device).
Compatible TV Models:
This remote control is compatible with a wide range of Sony TV models, including but not limited to:
- KDL-46HX800, KDL-40HX800, KDL-55HX800, KDL32EX500
- KDL-46BX421, KDL-55BX520, KDL-32R300B, KDL-32R330B, KDL-32R400, KDL-32R400A, KDL-32R420B
- KDL-40R350B, KDL-40R380B, KDL-40R450, KDL-40R450A, KDL-40R470B
- KDL-46R450A, KDL-46R453, KDL-46R453A, KDL-48R470B, KDL-46R471A, KDL-50R450, KDL-50R450A
- KDL-32HX750, KDL-32HX751, KDL-32HX753, KDL-32HX755, KDL-32HX757, KDL-32HX758, KDL-32HX759
- KDL-40HX750, KDL-40HX751, KDL-40HX753, KDL-40HX755, KDL-40HX756, KDL-40HX757, KDL-40HX758, KDL-40HX759, KDL-40HX75G
- KDL-40HX850, KDL-40HX853, KDL-40HX855, KDL-46HX750, KDL-46HX751
- XBR-49X850B, XBR-55X850B, XBR-55X900B, XBR-65X850B, XBR-65X900B, XBR-65X950B, XBR-70X850B, XBR-79X900B, XBR-85X950B
- And many other Sony Bravia models. Refer to your TV's manual for specific remote compatibility.
Maintenance
1. Battery Replacement
Replace batteries when the remote control's response becomes sluggish or stops working. Always replace both batteries at the same time with new AAA batteries. Do not mix old and new batteries, or different types of batteries.
2. Cleaning
To clean the remote control, gently wipe its surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals, abrasive cleaners, or excessive moisture, as these can damage the remote.
3. Storage
Store the remote control in a cool, dry place away from direct sunlight and extreme temperatures. If the remote will not be used for an extended period, it is advisable to remove the batteries to prevent leakage and potential damage.
Troubleshooting
- Remote is not responding:
- Ensure the batteries are installed correctly with the correct polarity (+/-).
- Replace old batteries with new AAA batteries.
- Check for any obstructions between the remote control and the device's infrared receiver.
- Ensure you are within the effective operating range and pointing the remote directly at the device.
- Specific buttons are not working:
- This may indicate a faulty button or low battery power. Try replacing the batteries.
- Remote requires programming/syncing:
- The UBay RM-YD040 remote control is designed as a direct replacement and does not require any programming or syncing with your Sony TV or Home Theater System. If it is not working, please refer to the 'Remote is not responding' steps above.
Specifications
| Model Number | UBay Sony RM-YD040 |
| Product Dimensions | 9 x 2 x 0.5 inches |
| Item Weight | 4.2 ounces |
| Connectivity Technology | Infrared |
| Number of Buttons | 25 |
| Power Source | 2 x AAA Batteries (not included) |
Warranty and Support
For warranty information or technical support regarding your UBay RM-YD040 remote control, please contact the seller directly through your purchase platform. Specific warranty terms and support options are provided by the retailer or manufacturer at the time of purchase.