Nakamichi ta-4a User Manual

Product safety notices, leakage current, and battery precautions.

Information on destination and voltage selection options.

Diagrams and parts lists for package and accessories.

Procedure for removing top and bottom covers.

Removing front panel, remote sensor, and power indicator PCBs.

Removing front chassis and control/display PCBs.

Steps for disconnecting and connecting flat cables.

Procedure for removing the Video & Logic PCB Assembly.

Identifies adjustment points on Main and Tuner PCBs.

Procedures for adjusting the power amplifier section.

Adjustments for the FM tuner section.

Adjustments for the AM tuner section.

Adjustments for muting, signal strength, stereo separation, and THD.

Procedures for tuning, tracking, and signal strength adjustments for AM.

Overview diagram of major unit assemblies.

Detailed parts list and diagram for the front panel assembly.

Detailed parts list and diagram for the front chassis assembly.

Detailed parts list and diagram for the main chassis assembly.

Detailed parts list and diagram for the heat sink assembly.

Mounting diagram and parts for the power switch PCB.

Mounting diagram and parts for speaker terminal PCB.

Mounting diagram and parts for pin jack PCB.

Mounting diagram and parts for headphone jack PCB.

Mounting diagram and parts for power indicator PCB.

Mounting diagram and parts for volume indicator PCB.

Mounting diagram and parts for volume motor PCB.

Mounting diagram and parts for transistor joint PCB.

Mounting diagram and parts for remote control sensor PCB.

Mounting diagram and parts for IF band switch PCB.

Mounting diagram and parts for selector PCB.

Mounting diagram and parts for remote jack PCB.

Mounting diagram and parts for volume PCB.

Mounting diagram and parts for power supply PCB.

Mounting diagram and parts for standby PCB.

Mounting diagram and parts for tone control PCB.

Mounting diagram and parts for control switch and display PCB.

Mounting diagram and parts for tuner PCB.

Mounting diagram and parts for video & logic PCB.

Functional block diagrams of integrated circuits used in the unit.

Detailed circuit diagrams for the tuner section.

Detailed circuit diagrams for video and control functions.

Detailed circuit diagrams for the audio amplifier sections.

Block diagram illustrating the tuner section's signal flow.

Block diagram illustrating the amplifier section's signal flow.

Performance details for the power amplifier section including output and frequency response.

Performance details for the preamplifier section including sensitivity and input impedance.

Performance specifications for FM and AM tuner sections.

General unit specifications and remote control unit details.