To Next PageTo Next PageWhy won't my Denon PMA-520AE Amplifier turn on?
If the power indicator doesn't light up and there's no sound when you turn on your Denon Amplifier, check that the power cord is securely plugged into the wall power outlet.
Why is my Denon PMA-520AE Amplifier power on but has no sound?
If the power indicator is lit but there's no sound from your Denon Amplifier, check these potential causes: * Ensure the speaker cables are securely connected. * Verify that the correct input source is selected on the amplifier. * Make sure the volume isn't set to the minimum; adjust it to an audible level. * Confirm the input cables are properly connected.
How to fix Denon PMA-520AE when sound comes from only one speaker?
If sound is only coming from one speaker on your Denon Amplifier, check the following: * Make sure the speaker cables are securely connected. * Ensure the input cable is fully connected. * Adjust the balance control knob to correct any left/right imbalance.
How to stop humming sound from Denon PMA-520AE Amplifier when playing records?
If you hear a humming sound when playing records on your Denon Amplifier, consider these potential causes: * Ensure the player’s ground wire is securely connected. * Verify that the cables are fully connected to the PHONO terminals. * Try repositioning the amplifier away from potential interference sources like TVs or VCRs.
Why is the sound distorted when playing records on my Denon PMA-520AE Amplifier?
If the sound is distorted when playing a record on your Denon Amplifier, try the following: * Adjust the needle pressure to the correct setting. * Inspect the needle tip for any dirt or debris. * Consider replacing the cartridge if it is defective.
Why is the stereo sound reversed on my Denon Amplifier?
If the stereo sound is reversed on your Denon Amplifier, check the speaker and input cable connections to ensure that the left and right channels are correctly connected.
What to do if my Denon Amplifier howls when playing records?
If you experience howling when playing records at high volume on your Denon Amplifier: * Increase the distance between the record player and the speakers. * Use cushions or other absorbent materials to isolate the speakers and reduce vibration transmission to the player.
General| Amplifier class | A/B |
|---|---|
| Audio output channels | 2.0 channels |
| Peak power per channel | - W |
| Signal-to-Noise Ratio (SNR) | - dB |
| Total Harmonic Distortion (THD) | 0.02 % |
| RMS power output per channel (4 Ohm) | 70 W |
| RMS power output per channel (8 Ohm) | 45 W |
| AC (power) in | Yes |
| Headphone outputs | 1 |
| Speakers connectivity type | - |
| Purpose | Home |
| Product color | Black |
| Connectivity technology | Wired |
| AC input voltage | 230 V |
| AC input frequency | 50 Hz |
| Power consumption (standby) | 0.3 W |
| Power consumption (typical) | 185 W |
Weight and Dimensions| Depth | 307 mm |
|---|---|
| Width | 434 mm |
| Height | 121 mm |
| Weight | 6800 g |
Details on how to search and navigate within the service manual using its features.
Instructions on using the search function to find specific reference numbers within the document.
Guide on using the 'Sign' function in Adobe Reader to add personal notes to the manual.
Instructions on using Ctrl+Space and mouse to magnify specific areas of diagrams.
Steps for configuring printer settings to print magnified portions of the manual.
Procedure for performing and verifying leakage current checks before returning the unit.
Essential cautions regarding electric shock, disassembly, parts usage, and post-servicing checks.
Explanation of symbols, units, and notations used in schematic diagrams.
Guidelines for ordering parts, identifying special components, and understanding part number distinctions.
Detailed technical specifications for the PMA-720AE model, including power, input, and general features.
Detailed technical specifications for the PMA-520AE model, including power, input, and general features.
Diagrams and measurements showing the physical dimensions of the PMA-720AE and PMA-520AE units.
Instructions for removing the top cabinet as the initial step in disassembly.
Procedure for disassembling the front panel assembly.
Procedure for disassembling the power PCB.
Procedure for disassembling the main PCB assembly.
Procedure for disassembling the power transformer.
Explanation of the shooting directions and viewpoints used in the disassembly photographs.
Detailed steps including screw removal, cutting bands, and disconnecting wires for front panel disassembly.
Step-by-step guide for adjusting the idling current of the amplifier.
Detailed steps for preparation and adjustment of the idling current using a DC voltmeter.
Troubleshooting steps for when the unit does not power on or the power LED remains off.
Troubleshooting steps for when the unit powers on but produces no audio output.
Troubleshooting for situations where the unit enters protection mode, indicated by LED flashing.
Component and trace layouts for the main printed circuit board.
Component and trace layouts for the front and headphone PCBs.
Layouts for power, power switch, volume, function, and remote control PCBs.
Overview of schematic sections including tone, power, function, volume, power switch, and main parts.
Detailed schematic of the main circuit board and its interconnected components.
Categorized list of parts for the PMA-720AE, including semiconductors, resistors, capacitors, and hardware.
Categorized list of parts for the PMA-520AE, including semiconductors, resistors, capacitors, and hardware.
Details and pin functions for integrated circuits, specifically the TMP86FH47BUG.
Detailed pin functions and address selection logic for the ILC7812 chip.
Detailed parts list for the front PCB assembly of the PMA-720AE model.
Detailed parts list for the front PCB assembly of the PMA-520AE model.
Detailed parts list for the main PCB assembly of the PMA-720AE model.
Detailed parts list for the main PCB assembly of the PMA-520AE model.
