Introduction
This manual provides instructions for the HCDZ Replacement Remote Control, model HCDZ-9525. This remote is designed as a direct replacement for various Onkyo A/V receivers, including models RC-771M, PR-SC5509, and HT-R593. It offers essential functions for controlling your home theater system.
Setup
The HCDZ Replacement Remote Control requires two (2) AA batteries for operation. No programming is needed; simply insert the batteries, and the remote will be ready for use.
Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards or press the latch and lift to open.
- Insert two (2) AA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Replace the battery compartment cover by sliding it back into place until it clicks securely.

Image: Rear view of the HCDZ remote control with the battery cover removed, illustrating the empty battery compartment where two AA batteries are to be inserted. The positive and negative terminals are visible.

Image: Rear view of the HCDZ remote control with the battery cover securely installed, indicating the remote is ready for use after battery insertion.
Operating Instructions
Once batteries are installed, the remote control is ready to operate your compatible Onkyo A/V receiver. Point the remote control directly at the infrared (IR) sensor on your receiver and press the desired function button.
Key Functions
- Power Button: Turns the receiver on or off.
- Input Selectors: Switches between different audio/video input sources (e.g., CD, DVD, TV).
- Volume Up/Down: Adjusts the master volume level.
- Mute Button: Silences the audio output.
- Navigation Buttons: Used for menu navigation (Up, Down, Left, Right, Enter).
- Playback Controls: (If applicable) Play, Pause, Stop, Fast Forward, Rewind for connected media devices.
Refer to your Onkyo A/V receiver's original manual for specific button functionalities related to your model (RC-771M, PR-SC5509, HT-R593).
Maintenance
Proper maintenance ensures the longevity and optimal performance of your remote control.
Battery Replacement
Replace batteries when the remote control's response becomes sluggish or stops functioning. Always replace both AA batteries simultaneously with new ones. Do not mix old and new batteries, or different types of batteries.
Cleaning
Wipe the remote control with a soft, dry cloth. For stubborn dirt, lightly dampen the cloth with water or a mild cleaning solution. Avoid using abrasive cleaners or solvents, as these can damage the remote's surface or internal components.
Storage
If the remote control will not be used for an extended period, remove the batteries to prevent leakage, which can cause damage.
Troubleshooting
If you experience issues with your remote control, try the following steps:
- Remote not responding:
- Ensure batteries are inserted correctly with the correct polarity.
- Replace old batteries with new AA batteries.
- Check for any obstructions between the remote control and the receiver's IR sensor.
- Ensure you are within the effective range and pointing the remote directly at the receiver.
- Specific buttons not working:
- Clean the remote control surface, especially around the buttons, to remove any debris that might be preventing proper contact.
- If only certain buttons are unresponsive, the remote may be damaged.
Specifications
| Model Number | HCDZ-9525 |
| Brand | HCDZ |
| Compatible Devices | Onkyo A/V Receivers (RC-771M, PR-SC5509, HT-R593) |
| Connectivity Technology | Infrared (IR) |
| Power Source | 2 x AA Batteries (not included) |
| Special Feature | Ergonomic design |
| Item Weight | 3.2 ounces |
| Package Dimensions | 6.89 x 4.72 x 0.79 inches |
Support
For any questions or further assistance regarding your HCDZ Replacement Remote Control, please contact the seller or manufacturer directly. Refer to your purchase documentation for contact information.





