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General| Brand | Denon |
|---|---|
| Model | DN-HC4500 Professional |
| Category | Music Equipment |
| Language | English |
Check for leakage current or line to chassis resistance before returning unit.
Important points to heed during servicing and inspection for safety.
Folding the cord holder as shown on the diagram for proper wire arrangement.
Fastening the FFC to externals with a cord holder as shown.
Fastening connectors with cord holders and managing cords neatly.
Covering with the TOP PANEL SUB ASSY, ensuring wires are not caught.
Procedure for removing the Top Panel Unit, including screw removal and cable disconnection.
Steps to turn on the power while pressing specific buttons to enter service mode.
Overview of functions available in service mode, including checks and initializations.
Detailed description of the Panel Check mode functions and their operation.
Detailed description of the Touch Measurement mode and its sensor count value measurement.
Detailed steps for the Switch Check mode, including VFD character assignments and switch operations.
Detailed description of the Touch Measurement mode, including count value display and difference display modes.
Table detailing MIDI commands for panel operation data transmission to a PC.
Details MIDI commands for setting LED status (ON, OFF, Blink) on the panel.
Defines 2-byte data for setting various VFD segments based on font codes.
Lists MIDI commands for controlling scratch position indicators on the VFD display.
Details MIDI commands for setting time-related and segment displays on the VFD.
Lists MIDI commands for controlling segment parameters for VFD displays.
Steps for preparing the computer and device for firmware updating via USB.
Step-by-step guide for performing the firmware update process using the software.
Details on handling device connection status, loading update files, and dragging/dropping files onto the software screen.
Instructions for pressing the Load button to transfer the update file and monitoring the loading progress.
Instructions for executing the version update, handling completion messages, and finishing the process.
Troubleshooting flowchart for when the power cannot be turned on, starting with fuse checks.
Continuation of troubleshooting flowcharts for various voltage output and display issues.
Troubleshooting flowcharts for key operation failures and normal audio operation problems.
Detailed pin descriptions and functions for the R5S72630P200FP (IC104) semiconductor.
Details pin functions, descriptions, and signals for the R5S72630P200FP CPU.
Continues detailing pin functions for the R5S72630P200FP CPU, covering pins 62 through 119.
Continues detailing pin functions for the R5S72630P200FP CPU, covering pins 120 through 180.
Completes the pin function details for the R5S72630P200FP CPU, covering pins 181 through 240.
Details pin functions, descriptions, and signal names for the W981616BH-7 (IC102) memory chip.
Details pin functions, descriptions, and signal names for the M29W400DT55N6E (IC103) flash memory chip.
Pin descriptions and block diagrams for driver ICs like B6TS, TB62725BFNG, and control ICs like BD9110NV, BD9703T-V5.
Diagram and notes detailing the pin connections for the VFD module (17-BT-30GINK).
Table showing CGROM codes for VFD segments, mapping binary patterns to characters.
Component layout diagram for the GU-3850 Power P.W.B. unit.
Component layout diagram for the GU-3849 Panel P.W.B. unit.
Component layout diagram for the GU-3850 Power P.W.B. unit.
Explains how to read resistor types, shapes, performance, and values.
Explains how to read capacitor types, shapes, dielectric strength, capacity, and tolerance.
List of semiconductor components for the GU-3848 Panel P.W.B. Unit.
Lists LEDs, resistors, and capacitors for the GU-3848 P.W.B. Unit.
Lists miscellaneous parts like cords, FFCs, jacks, and switches for the GU-3848 P.W.B. Unit.
List of semiconductor components for the GU-3849 Main P.W.B. Unit.
Lists resistors and capacitors for the GU-3849 Main P.W.B. Unit.
Continues the list of capacitors for the GU-3849 Main P.W.B. Unit.
Lists connectors, FFCs, fuses, switches, and terminals for the GU-3849 Main P.W.B. Unit.
List of semiconductor components for the GU-3850 Power P.W.B. Unit.
Lists resistors and capacitors for the GU-3850 Power P.W.B. Unit.
Continues the list of capacitors for the GU-3850 Power P.W.B. Unit.
Lists connectors, fuses, switches, and power transformers for the GU-3850 Power P.W.B. Unit.
Diagram illustrating the assembly of the unit with numbered parts.
List of parts corresponding to the exploded view of the Panel P.W.B. Unit.
List of screws and washers corresponding to the exploded view parts list.
Step-by-step instructions for mounting the JOG DISC, including slip mat placement and screw tightening.
Diagrams and instructions for folding the FFC cable for the GU-3848-1 Panel Unit.
Diagrams and instructions for folding the FFC cable for the GU-3848-2 Panel Unit.
Diagrams and instructions for folding the FFC cable for the GU-3848-5 DISC Unit 1 and GU-3848-6 DISC Unit 2.
List of packing materials and accessories included with the unit, with part numbers and destinations.
Notes on critical components, resistance/capacitance values, and measurement conditions for schematic diagrams.
