Condition: Powers on but needs repair. Spares or repairs

The Yamaha RX-V573 technical specifications associated with this receiver:

1. **Power Output:** Specifies the amplifier's power output, typically measured in watts per channel (WPC), into a specific load impedance (e.g., 8 ohms). For example, the RX-V573 might output around 80 watts per channel into 8 ohms.

2. **Channels:** The receiver features 7.1 channels, providing support for a full surround sound setup, including front, center, surround, and rear speakers, as well as a subwoofer.

3. **Audio Decoding:** Supports various audio decoding formats, such as Dolby TrueHD, DTS-HD Master Audio, Dolby Digital Plus, and DTS-HD High Resolution Audio, for immersive surround sound playback.

4. **HDMI Inputs/Outputs:** Specifies the number and version of HDMI inputs and outputs available on the receiver, along with support for features like 3D video, 4K passthrough, and Audio Return Channel (ARC).

5. **Video Processing:** Offers video upscaling and processing capabilities, enhancing the quality of standard-definition and high-definition video sources for display on compatible TVs or projectors.

6. **Network Connectivity:** Features built-in Ethernet or Wi-Fi connectivity, allowing for network streaming of audio content from services like Spotify, Pandora, and AirPlay, as well as firmware updates and control via mobile apps.

7. **Zone 2 Output:** Provides the ability to power a separate set of speakers in a second zone, allowing for independent audio playback in another room.

8. **Auto Calibration:** Utilizes Yamaha's YPAO (Yamaha Parametric Room Acoustic Optimizer) technology to automatically calibrate speaker settings based on room acoustics and speaker placement.

9. **Digital Inputs/Outputs:** Describes the types and number of digital audio inputs and outputs available, such as optical and coaxial inputs for connecting devices like Blu-ray players and gaming consoles.

10. **Dimensions and Weight:** Provides physical dimensions and weight of the receiver, which are important for placement and integration into home entertainment setups.