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General| Channels | 7.1 |
|---|---|
| Power Output (8 Ohms) | 110 W |
| Total Harmonic Distortion | 0.05% |
| Frequency Response | 10 Hz - 100 kHz |
| HDMI Inputs | 3 |
| HDMI Outputs | 1 |
| Signal-To-Noise Ratio | 100 dB |
| Input Impedance | 47 kOhms |
| Input Sensitivity | 200 mV |
| Tuner Presets | 40 |
| HDMI Switching | Yes |
| Composite Video Inputs | 4 |
| Composite Video Outputs | 2 |
| Component Video Inputs | 3 |
| Component Video Outputs | 1 |
| Digital Audio Inputs | 3 Optical, 2 Coaxial |
| Digital Audio Outputs | 1 Optical |
| Phono Input | Yes |
| Multi-room Output | Yes |
| Zone 2 Output | Yes |
| Remote Control | Yes |
| Network Capable | Yes |
| USB Port | Yes |
| Ethernet Port | Yes |
| Video Upscaling | Yes |
| GUI Overlay | Yes |
| On-Screen Display | Yes |
| Audio Formats Supported | Dolby TrueHD, DTS-HD Master Audio |
| Tuner Frequency Range | FM: 87.5 - 108 MHz |
| Auto Calibration | Audyssey MultEQ |
| Dimensions (W x H x D) | 17.1 x 6.8 x 17.1 inches (434 x 171 x 434 mm) |
Checks for leakage current or line-to-chassis resistance before unit return.
Cautions for electric shock, disassembly, parts, and wiring during servicing.
Inspect parts and perform insulation checks after servicing to ensure safety.
Properties and replacement guidelines for safety-critical parts.
Detailed physical dimensions and measurements for the AVR-2808CI model.
Instructions for neat wire arrangement after adjustment or parts replacement.
Illustration showing wire layout when viewed from the top of the unit.
Steps for initializing the unit after component replacement, including microprocessor reset.
Details of specific jigs required for PCB repair and servicing.
Procedure for entering and interpreting the error display mode for microcomputers and DSPs.
Details on error information order and conditions displayed during test mode checks.
Step-by-step guide for adjusting audio section idling current with necessary tools and settings.
Troubleshooting steps for problems like no power or blown fuses.
Troubleshooting flowchart for issues with CVBS monitor output.
Flowchart for troubleshooting CVBS output issues on ZONE2.
Troubleshooting steps for CVBS output problems with VCR/DVR monitor output.
Troubleshooting flowchart for Signal (S) output issues from the MONITOR OUT.
Troubleshooting steps for Signal (S) output problems with VCR/DVR monitor output.
Flowchart for troubleshooting Component output issues for zones 1 and 2.
Troubleshooting steps for HDMI/DVI output issues, covering cable, selector, DVD player, and TV compatibility.
Specific checks for TV compatibility (HDCP, resolution) and set input settings.
Schematic representation of the audio signal flow and component connections.
Schematic representation of the video signal flow and component connections.
Illustrates clock flow and waveforms within the digital processing block.
Visual representation of signal levels and timing for various audio channels (Front, Center, Subwoofer, Surround).
Information on integrated circuits (ICs), including abbreviations and terminal functions.
Information about the FL display unit, including pin connections and grid assignments.
Component layout for Digital and Audio/Video PWB units.
Component layout for Front, Power Regulator, and Power Amplifier PWB units.
Component layout for Main CPU and related PWB units.
Explanations of symbols, abbreviations, and notes relevant to the parts list.
Component list for the 1U-3838 Digital PWB Unit, including semiconductors, resistors, and capacitors.
Component list for the 1U-3839 A.Video/Video PWB Unit.
Component list for the 1U-3840 Front PWB Unit.
Diagrams showing physical assembly and part identification for the AVR-2808CI/AVR-988.
Diagram showing the physical assembly of the AVR-988 front panel.
List of parts for the 1U-3838 Digital Unit assembly.
List of packing materials and accessories included with the unit.
Notes and warnings regarding schematic diagrams, including part symbols and measurement conventions.
Schematics for the digital unit, covering parts 1 through 12.
Schematics for the A.Audio/Video unit, covering parts 1 through 4.
Schematics for the front unit, covering parts 1 through 3.
Schematics for the front unit, covering parts 1 through 3.
Schematics for the power regulator unit, covering parts 1 through 3.
Schematics for the power amplifier unit, covering parts 1 and 2.
Schematics for the main CPU unit, covering parts 1 through 3.
Schematic for the D-Terminal unit.
