
Do you have a question about the Denon AVR-1621 and is the answer not in the manual?
| Channels | 5.1 | 
|---|---|
| Total Harmonic Distortion | 0.08% | 
| Frequency Response | 10 Hz - 100 kHz | 
| Input Sensitivity/Impedance | 200 mV / 47 kOhms | 
| Signal-to-Noise Ratio | 98 dB | 
| HDMI Inputs | 4 | 
| HDMI Outputs | 1 | 
| Type | AV Receiver | 
| 3D Support | Yes | 
| Audio Return Channel (ARC) | Yes | 
| Dolby Digital | Yes | 
| DTS | Yes | 
| Tuner Section | AM/FM | 
| Audio Outputs | 1 | 
| Dimensions (W x H x D) | 434 x 151 x 339 mm | 
| Power Output (8 ohms) | 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD, 2 channels driven) | 
Procedure for checking leakage current before returning the unit to the customer.
Heeding labels, electric shock, disassembly, designated parts, wiring, and post-service checks.
Details on power amplifier output, input sensitivity, frequency response, and S/N ratio.
Procedure for initializing the receiver, typically after replacing internal components.
Details on the extension unit kit and writing kit for repair and firmware updates.
Steps for removing screws and disconnecting cables for the front panel assembly.
Steps for removing screws to access the radiator assembly.
Steps for disconnecting cables, removing screws, and cutting wire bands for the HDMI unit.
Steps for removing screws and disconnecting wires for the PCB REG CNT and PCB REG.
Steps for disconnecting connector wires and removing screws for the main transformer unit.
Steps for removing screws and supporters for the PCB SPK/PCB SMPS.
Displays the protection history of the unit with specific codes.
Carries out backup data initialization.
Two methods to clear history and power LED indications for protection events.
Detailed steps for measuring and adjusting the idling current using a DC voltmeter.
Troubleshooting guide for power not turning on, including fuse checks and voltage checks.
Steps to identify the cause of a blown fuse and subsequent repairs.
Step-by-step guide to diagnose and resolve no picture or sound output via HDMI/DVI.
Steps to check analog and digital audio inputs and HDMI audio.
Diagnosing and resolving issues with the power amplifier section.
Pinout and terminal functions for the ADSP21367KSWZ2A DSP IC.
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