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Perform electrical safety checks, including leakage current and chassis resistance, before unit return.
General cautions for servicing, including electric shock, disassembly, and part usage.
Guidelines on handling high-voltage parts and avoiding injury during disassembly/assembly.
Use designated parts and ensure correct mounting and routing for safety and performance.
Verify all reassembly and perform insulation checks to confirm safety compliance after servicing.
Procedure for initializing the receiver/amplifier's µcom/DSP when replacing related components.
Lists specific jigs required for board repair and firmware updates, available from Denon service distributors.
Disassembly of cabinet top, front panel, and chassis back assemblies.
Disassembly procedures for CPU and Main Chassis assemblies.
Procedure to check and display the unit's µcom/DSP version information on the FL display.
Details the method to enter and display the unit's µcom/DSP version on the FL display.
Information on the sequence of displayed versions: destination, main-µcom, and DSP.
Detailed steps for adjusting the audio section's idling current using a DC voltmeter.
Troubleshooting steps for power-related problems, including power not turning on and fuse blown.
Troubleshooting steps for no output from the MONITOR OUT (CVBS) terminal.
Steps to diagnose and resolve issues related to no picture or sound output via HDMI/DVI connections.
Schematic representation of the audio signal path and processing blocks within the unit.
List of key semiconductors, including integrated circuits (ICs) and their terminal functions.
General
