Do you have a question about the Marantz 4230 and is the answer not in the manual?
Total Harmonic Distortion | 0.3% |
---|---|
Damping Factor | 45 |
Input Sensitivity | 2.2mV (MM), 180mV (line) |
Tuning Range | FM, MW |
Power Output | 30 watts per channel into 8Ω (stereo) |
Speaker Load Impedance | 4Ω to 16Ω |
Semiconductors | 38 x transistors |
Tips for troubleshooting issues with the AM tuner section of the receiver.
Explains the muting circuit and auto-stereo switching for FM reception.
Details the MPX stereo decoding process and its components.
Provides guidance for troubleshooting common FM tuner issues.
Describes the different mode settings for input signal processing.
Explains the balance control circuit and remote control function.
Usage of the Dolby switch for listening to Dolbyized FM broadcasts.
Usage of the Dolby switch for playing back Dolbyized sources.
Settings for Record I and Record II operations.
Effect of the Dolby switch in the 'Off' position, bypassing the circuit.
Adjusts record level and playback calibration.
Governs FM output level to Dolby circuit.
Controls for 400Hz tone generation and FM de-emphasis.
Troubleshooting step for excessive power draw.
Troubleshooting for lack of power draw or zero bias.
Troubleshooting for unwanted hum and noise in audio output.
Troubleshooting guide for parasitic oscillations.
Troubleshooting for audio clipping issues.
Procedure for aligning the AM Intermediate Frequency stages.
Procedure for aligning AM frequency range and tracking.
Procedure for aligning FM stereo separation.
Procedure for aligning the FM muting circuit.
Steps for Dolby alignment in Record I position.
Steps for Dolby alignment in Record II position.
Steps for Dolby level adjustment using 400Hz tone.