Why does the standby LED on my NAD C 356BEE turn red?
If your NAD Amplifier's standby LED turns red during operation, it could be due to overheating. Turn off the amplifier using the rear panel power switch, and ensure there's enough space around it for proper airflow. Once cooled, turn it back on. Also, make sure the overall impedance of your loudspeakers isn't below 4 ohms, as this can also cause the issue.
What to do if one channel of my NAD Amplifier has no sound?
If you're experiencing sound from only one channel of your NAD Amplifier, here's what you can do: * Check that the Balance control is centered. * Inspect the speaker connections and the speakers themselves for any damage or loose connections. * Verify that the input leads are properly connected and not damaged.
What to do if there is no audio from DISC input on NAD Amplifier?
If you have an active input at the DISC rear panel input terminals but are getting no audio from your NAD Amplifier, it might be because the DISC input is disabled due to an installed MDC module at the MDC Classic Upgrade slot. Try uninstalling the MDC module from the MDC Classic Upgrade slot.
What to do if there is no audio from MP input on NAD Amplifier?
If you're not getting any audio from the MP input on your NAD Amplifier, and you have an active input at the MP rear panel input terminals, it could be due to an external Media Player connected to the front MP socket. Try unplugging the Media Player from the front MP socket.
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.
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