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General| Type | AV Receiver |
|---|---|
| Channels | 7.2 |
| HDMI Inputs | 6 |
| Frequency Response | 10 Hz - 100 kHz |
| Signal-to-Noise Ratio | 106 dB |
| Network Connectivity | Ethernet |
| HDMI Outputs | 2 |
| Audio Formats Supported | Dolby TrueHD, DTS-HD Master Audio |
| Wireless Connectivity | Bluetooth |
| THD (Total Harmonic Distortion) | 0.08% |
| Speaker Impedance | 4 Ohms – 16 Ohms |
| Audio Inputs/Outputs | 2 Digital Audio Inputs (Optical/Coaxial) |
| Input Sensitivity and Impedance | 200 mV/47 kΩ |
| Dimensions (W x H x D) | 435 x 173.5 x 378 mm; 17 1/8" x 6 13/16" x 14 7/8" |
Identifies the AV Receiver model HT-R980 and highlights safety warnings for critical components.
Details fuse replacement, safety checks (leakage current), and initialization procedures for US models.
Step-by-step guide for diagnosing and resolving "No Power" issues by checking specific components.
Troubleshooting steps for "No Display" problems, including voltage checks and signal timing.
Diagnosing and resolving no sound issues from HDMI, COAX/OPT, and Analog inputs.
Steps to diagnose and resolve "No Picture" issues from analog and various HDMI inputs.
Detailed schematic of the power amplifier section, including protection detection and thermal sensor.
Steps for preparing and connecting the unit for firmware updates via PC or CD player.
Detailed steps for performing firmware updates for MMPU, VMPU, and DSP components.
Guide for installing the Gprobe software required for VSP firmware updates.
Instructions on creating the necessary batch file with hex files for VSP firmware updates.
Details on connecting the PC to the unit via RS232C for VSP firmware updates.
Schematic of the audio block, detailing the power amplifier, speaker terminals, and tone controls.
Schematic of the video block, covering component, S-Video, and HDMI signal paths.
Schematic of the audio input section, showing signal routing for various analog and digital sources.
Detailed schematic of the power amplifier output stage, including bias adjustment and protection circuits.
Schematic of the MPU, DSP, and DAC circuitry, showing data and control signal interfaces.
Schematic detailing video signal processing, including scaling and format conversion for various inputs.
Schematic illustrating connections for speaker terminals, including protection and zone output circuits.
Schematic for the display section, showing connections for front panel buttons, indicators, and display drivers.
Schematic of the power supply section, including transformer, fuses, voltage regulators, and protection.
Schematic of the HDMI receiver and transmitter sections, detailing signal paths and buffering.
Schematic for the HDMI Video Signal Processor (VSP) section, including clock generation and interface logic.
Schematic for the second VSP section, showing DDR memory interface and LVDS signal paths.
Schematic of the DSP and VMPU sections, detailing their interconnections and control signals.
