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General| Track System | 4-track, 2-channel stereo |
|---|---|
| Motor | DC servo motor |
| Tape Speed | 4.76 cm/s |
| Tape Type | type I, CrO2, Metal |
| Total Harmonic Distortion | 0.8% |
| Output | 0.41V (line) |
| Type | Cassette Deck |
| Heads | 1 x record, 1 x playback, 1 x erase |
| Inputs | Line in |
| Outputs | 1 x line |
| Number of Heads | 3 (Erase, Record, Playback) |
Detailed technical specifications for the V-2RX/V-4RX cassette deck.
Mechanical parameters, adjustments, and specifications for the cassette deck.
Electrical performance metrics and test conditions for the cassette deck.
Instructions for removing the case and front panel of the unit.
Identification of main circuit boards and components from top and front views.
Front and rear views of the tape transport mechanism, identifying key parts.
Adjusting the tape path for V-2RX, focusing on erase head height.
Procedures for checking and adjusting play/pause solenoids and pinch roller pressure.
Checking reel torque values and adjusting tape speed using a frequency counter.
Measuring wow and flutter during playback and record/playback.
Recommended lubricants and procedures for lubrication during part replacement.
How to change voltage settings on export models.
General precautions before performing electrical checks and adjustments.
Procedures for checking and adjusting playback performance.
Checking input signal levels, peak program meter, and headphone output.
Setting record bias and level for different tape types (METAL, Co(CrO₂), NORMAL).
Checking recording distortion, frequency response, and signal-to-noise ratio.
Measuring erase efficiency and channel separation during recording.
Checking adjacent track crosstalk, REC MUTE, and Dolby NR effects.
Setting and checking DBX encoder level, frequency response, and operation.
Setting and checking DBX decoder level, distortion, and signal-to-noise ratio.
Checking EQ indicator lights and frequency response across bands.
Verifying frequency response specifically at 500 Hz and 60 Hz.
Steps to prepare for DBX PCB adjustments.
Specific adjustments for the DBX encoding circuitry.
Adjusting DBX decoder symmetry and overall level for optimal performance.
Checking DBX decoder frequency response, operation level, and DISC mode.
Identification of adjustment points on the REC/PLAY amplifier PCB for V-2RX.
Identification of adjustment points on the DBX PCB for V-2RX.
Identification of adjustment points on the REC/PLAY amplifier PCB for V-4RX.
Identification of adjustment points on the DBX PCB for V-4RX.
Diagram showing PCB layout from the top of the unit.
Diagram showing PCB layout from the front of the unit.
Front and rear views of the tape transport mechanism, identifying key parts.
Adjusting play/pause solenoids and pinch roller pressure for proper function.
Adjusting tape path, erase head, and tape speed for optimal performance.
Measuring reel torque, wow/flutter, and fast winding times.
Identification of adjustment points on the REC/PLAY amplifier PCB for V-4RX.
Identification of adjustment points on the DBX PCB for V-4RX.
Setting head azimuth, playback level, and meter level for optimal playback.
Measuring playback frequency response and signal-to-noise ratio.
Checking microphone and line input minimum levels and setting line input.
Checking meter level and headphone output level.
Setting record bias and level for different tape types (METAL, Co(CrO₂), NORMAL).
Checking recording distortion, frequency response, and signal-to-noise ratio.
Checking crosstalk, REC MUTE, and Dolby NR effects during recording.
Setting and checking DBX encoder level, frequency response, and operation.
Setting and checking DBX decoder level, distortion, and signal-to-noise ratio.
Checking EQ indicator lights and frequency response across bands.
Verifying frequency response specifically at 500 Hz and 60 Hz.
Diagram showing adjustment points on the V-2RX DBX PCB.
Diagram showing adjustment points on the V-4RX DBX PCB.
Adjusting DBX encoder symmetry and overall level for optimal performance.
Checking DBX encoder frequency response and encode effects.
Adjusting DBX decoder symmetry and overall level for optimal performance.
Checking DBX decoder frequency response, decode effects, and DISC mode.
List of parts corresponding to Exploded View 1.
List of parts corresponding to Exploded View 2 (V-2RX).
List of parts corresponding to Exploded View 3 (V-4RX).
List of parts corresponding to Exploded View 4.
List of parts corresponding to Exploded View 5.
Component layout for the V-2RX REC/PLAY amplifier PCB.
Component layout for the Jack PCB.
Component layout for the Power Supply PCB.
Component layout for the V-4RX REC/PLAY amplifier PCB.
Component layout for the Counter PCB.
Component layout for the Timer PCB.
Component layout for the V-4RX Muting PCB.
Component layout for the V-2RX DBX PCB.
Component layout for the V-4RX DBX PCB.
Component layout for the Operation PCB.
Component layout for the Control PCB.
Component layout for the Joint PCB.
Notes regarding PCB layouts and component specifications.
List of resistors, capacitors, transistors, diodes, and coils for V-2RX REC/PLAY PCB.
List of components for V-4RX REC/PLAY amplifier PCB.
List of components for the Jack PCB.
List of components for the Power Supply PCB.
List of components for the V-4RX REC/PLAY amplifier PCB.
List of components for the Counter PCB.
List of components for the Timer PCB.
List of components for the DBX PCB (V-2RX).
List of components for the Muting PCB (V-4RX).
List of components for the DBX PCB (V-4RX).
List of components for the Operation Switch PCB.
List of components for the VR PCB.
List of components for the Control PCB.
Diagrams illustrating the pin configurations of various semiconductor devices.
List of components for Joint PCB B.
List of components for Sensor PCB B.
List of components for the Power Switch PCB.
List of hardware codes for screws, washers, and nuts used in assembly.
Schematic diagram detailing the amplifier circuit for the V-2RX model.
Schematic diagrams for various control PCBs and functions in the V-2RX.
Schematic diagrams for the V-4RX amplifier, control, and other subsystems.
Schematic diagrams for various control PCBs and functions in the V-4RX.
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