EasyManua.ls Logo

Nakamichi MB-1s User Manual

Nakamichi MB-1s
48 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Question and Answer IconNeed help?

Do you have a question about the Nakamichi MB-1s and is the answer not in the manual?

Nakamichi MB-1s Specifications

General IconGeneral
BrandNakamichi
ModelMB-1s
CategoryCD Player
LanguageEnglish

Summary

General Information and Safety

Product Codes

Lists product codes for MB-1s, MB-2s, and MB-3s.

Destinations

Lists supported geographical destinations for the product.

Cautions and Warnings

Provides safety notices and leakage current checks for service.

Voltage Selectors

Explains the voltage selector setting on the rear panel.

Handling the Laser Pickup

Instructions for safe handling of the laser pickup, including grounding.

Stocker Operation Check

Procedure to check stocker operation upon power-up.

Package and Accessory Assembly

Lists packaging components and accessories.

Removal Procedures

Mechanism Assembly Removal

Step-by-step procedure for removing the mechanism assembly.

Mechanism Top Cover Removal

Instructions for removing the top cover of the mechanism.

Tray Assembly Drawing

Procedure for drawing out the tray assembly from the mechanism.

Laser Pickup Removal

Instructions for removing the laser pickup assembly.

Tray Assembly Removal

Procedure for removing the tray assembly.

Drive Unit Section Removal

Procedure for removing the drive unit section.

Side Chassis R Section Removal

Steps for removing the right side chassis section.

Side Chassis L Removal

Procedure for removing the left side chassis section.

Stocker and Main Chassis Section Removal

Steps for removing the stocker and main chassis sections.

Mechanical Adjustments

Gear Positioning in Side Chassis R

Procedure for positioning gears after replacement in the right chassis.

Tray Assembly Positioning

Steps for positioning the tray assembly on the mechanism.

Lubrication

Specifies lubricants for various parts during replacement.

Measurement Instruments and Jigs

Measurement Instruments

Lists required measurement instruments like oscilloscopes and meters.

CD Player Test Unit Set

Details the components of the CD player test unit set.

Parts Location for Electrical Adjustment

Main P.C.B. Parts Location

Diagram showing component locations on the Main P.C.B. for adjustment.

DAC P.C.B. Parts Location (MB-1s Only)

Diagram showing component locations on the DAC P.C.B. for adjustment.

Electrical Adjustments

Notes on Preset Position

Instructions for presetting semi-fixed volumes before adjustment.

Connecting the Test Unit

Procedure for connecting the test unit for adjustments.

Adjustment Procedures

Step-by-step procedures for various electrical adjustments and checks.

Mechanism Ass'y and Parts List

Synthesis

Exploded view of the mechanism assembly.

Front Escutcheon Section (A01)

Exploded view of the front escutcheon section.

Mechanism Ass'y (A02)

Exploded view of the mechanism assembly (A02).

Side Chassis R Section (B01)

Exploded view of the right side chassis section.

Main Chassis Section (B02)

Exploded view of the main chassis section.

Drive Unit Section (B03)

Exploded view of the drive unit section.

Mounting Diagrams and Parts List

Main P.C.B. Ass'y

Component layout diagram for the main P.C.B.

DAC P.C.B. Ass'y (MB-1s)

Component layout diagram for the DAC P.C.B. (MB-1s).

Transformer P.C.B. Ass'y

Component layout diagram for the transformer P.C.B.

Power Switch P.C.B. Ass'y

Component layout diagram for the power switch P.C.B.

Key P.C.B. Ass'y

Component layout diagram for the key P.C.B.

Display P.C.B. Ass'y

Component layout diagram for the display P.C.B.

Headphone P.C.B. Ass'y (MB-1s and -2s)

Component layout diagram for the headphone P.C.B.

IC Block Diagrams

U501 µPD75517-230 (Mechanism Controller) Pin Functions

Pin description and function for the mechanism controller IC.

TC4584BP Inverter

Diagram and pinout for TC4584BP inverter IC.

TC74HC00AP NAND Gate

Diagram and pinout for TC74HC00AP NAND gate IC.

Operational Amplifiers

Diagrams and pinouts for various operational amplifier ICs.

Motor Driver LB1638M

Diagram and function for the LB1638M motor driver IC.

Digital-to-Analog Converters

Diagrams and pinouts for DAC ICs.

Digital Filter SM5841CP

Diagram and function for the SM5841CP digital filter IC.

Driver BA6296FP

Diagram and function for the BA6296FP driver IC.

Block Diagrams

MB-1s Block Diagram

Overall system block diagram for the MB-1s model.

MB-2s and -3s Block Diagram

Overall system block diagram for MB-2s and MB-3s models.

Remote Control Receiver Block

Block diagram showing the remote control receiver and display interface.

Wiring Diagrams

AC Input and Transformer Wiring

Wiring diagrams for AC input and transformer connections for different regions.

PCB Interconnections

Wiring diagram showing interconnections between various PCBs.

Mechanism Wiring

Wiring diagram illustrating connections within the mechanism section.

Schematic Diagram (DAC Circuit [MB-1s])

DAC Circuit Schematic (MB-1s)

Detailed schematic for the DAC circuit of the MB-1s.

Specifications

Main Unit Specifications

Technical specifications for the main CD player unit.

Remote Control Unit Specifications

Technical specifications for the remote control unit.

Supplied Accessories

List of accessories supplied with the product.

Related product manuals