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General| Brand | Marantz |
|---|---|
| Model | MX673 |
| Category | Speaker System |
| Language | English |
Lists test equipment for servicing the Stereo Amplifier.
Details P.W. boards within the amplifier, specifying mounting locations.
Describes adjustment procedures for main amp, including current and distortion.
Details the circuit description of the µPD75208 microprocessor.
Explains the function of digital I/O pin ports for the microprocessor.
Describes the function of other pins on the microprocessor.
Illustrates and describes various input/output circuit types.
Shows voltage distribution for circuit diagrams, detailing transistor voltages.
Details pin voltage distribution for QS01 and QS02.
Details pin voltage distribution for QS03-QS05.
Details pin voltage distribution for QS07.
Details pin voltage distribution for QS08, OL08, and OL11.
Lists test equipment for servicing the tuner.
Details P.W. boards for the tuner section and their mounting.
Provides detailed procedures for FM, AM, and Multiplex alignment.
Illustrates test points and alignment locations on a circuit board.
Details the one-chip microprocessor, key matrix, and pin connections.
Details P.W. boards in the cassette deck section and their mounting.
Lists test equipment for servicing the cassette deck.
Describes IC features and built-in circuits for PB EQ.
Presents the block diagram for the switching operation.
Details the recording equalizer amp IC and its circuit.
Describes the monitor path for IC internal switching.
Explains electrical switching for IC internal functions.
Describes the operational mechanism of the microprocessor unit.
Details initial checks for the microprocessor and cassette loading.
Describes operational checks for VDD, INT, and RES pins.
Provides operational descriptions for microprocessor sections.
Details the initialization process for the unit.
Describes the F/R motor drive circuit and its operation.
Describes the capstan motor drive circuit and its operation.
Explains the solenoid drive circuit and its function.
Details the QMS operation and its interaction with the microprocessor.
Shows the system block diagram of the microcomputer.
Lists package and terminal names for the microcomputer.
Describes the function of each terminal for the microcomputer.
Shows the block diagram for the mecha feature and counture driver.
Details the terminal functions of the µPD75206CW.
Describes the stop mode operation of the mechanism.
Explains the forward play operation of the mechanism.
Details the reverse play operation of the mechanism.
Describes the transition from play to stop mode.
Explains cue/review operation from play mode.
Describes the transition from cue/review to play mode.
Step-by-step guide to removing the top cover.
Step-by-step guide to removing the front panel.
Guide to removing the cassette mechanism.
Guide to removing the main printed wiring board.
Procedure for adjusting tape speed for TAPE 1 and TAPE 2.
Procedure for adjusting head azimuth.
Adjusting playback output levels for tape speed.
Adjusting record/playback levels.
Adjusting frequency response for REC/PLAY and dubbing.
Diagram showing recording level characteristics.
Diagram showing playback level characteristics.
Specifies technical details for the audio section.
Lists specifications for MM cartridge input.
Lists specifications for CD input.
Detailed specifications for the FM tuner section.
Detailed specifications for the MW tuner section.
Detailed specifications for the LW tuner section.
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