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mckenziephillipAug 19, 2025
Why is there no sound coming from my NAD Amplifier?
Why is there no sound coming from my NAD Amplifier?
Guidelines to prevent fire and electric shock hazards during servicing.
Recommendations for safe and optimal product installation.
Essential precautions for general servicing of the audio receiver.
Steps for checking electrical insulation resistance for user safety.
Methods to prevent damage to ES devices from static electricity.
Technical specifications for the preamplifier input and output stages.
Specifications related to the bass and treble tone control functions.
Technical performance data for the power amplifier output stages.
Technical details for the phono input, MM/MC, and pre-out.
General technical parameters including line level input and speaker out.
Details on power usage, unit dimensions, and weight.
Procedures for initial adjustments including volume, idling current, and ISC.
Steps for repeating initial alignments for final calibration.
Schematic of the power supply circuit and PCB-2 power board.
Layout details for the power board (PCB-2).
Schematic of the preamp circuit and PCB-1 main board.
Layout details for the main board (PCB-1).
Schematics for power amplifier, soft clipping, ISC, and protection circuits.
Schematic for the key input control circuit.
Schematic for the RS232 communication interface circuit.
Top view layout of the power board (PCB-2).
Bottom view layout of the power board (PCB-2).
Top view layout of the key board (PCB-3).
Bottom view layout of the key board (PCB-3).
Top and bottom view layout of the left amplifier SMD board.
Top and bottom view layout of the right amplifier SMD board.
Top view layout of the preamp SMD board (PCB-9).
Bottom view layout of the preamp SMD board (PCB-9).
List of integrated circuits used on the main board.
List of diodes used on the main board.
List of transistors used on the main board.
List of capacitors used on the main board.
List of resistors used on the main board.
List of inductors, potentiometers, switches, relays, and connectors on the main board.
List of links and connectors on the main board.
List of heatsinks and metal parts used in the unit.
List of diodes for the left amplifier SMD board (PCB-8).
List of transistors for the left amplifier SMD board (PCB-8).
List of capacitors for the left amplifier SMD board (PCB-8).
List of transistors for the preamp module board (PCB-9).
List of capacitors for the preamp module board (PCB-9).
List of resistors for the preamp module board (PCB-9).
List of integrated circuits for the keyboard (PCB-3).
List of diodes for the keyboard (PCB-3).
List of transistors for the keyboard (PCB-3).
List of capacitors for the keyboard (PCB-3).
List of integrated circuits for the power board (PCB-2).
List of diodes for the power board (PCB-2).
List of capacitors for the power board (PCB-2).
List of transistors for the power board (PCB-2).
Resistors and connectors for the headphone board.
Resistors and connectors for the RS232 board.
List of plastic buttons and bezels for controls.
List of plastic knobs and their bezels.
List of plastic components for LEDs and IR sensors.
Details on the remote control unit and required batteries.
List of materials used for product packaging.
List of other accessories included with the product.
List of chassis, transformer, and related components.
List of front panel controls, buttons, knobs, and bezels.
List of screws, nuts, washers, and other fasteners.
General
