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General| Track System | 4-track, 2-channel stereo |
|---|---|
| Tape Speed | 4.76 cm/s |
| Heads | 3 |
| Frequency Response | 30 Hz - 16, 000 Hz (FeCr tape) |
| Wow and Flutter | 0.08% |
| Power Supply | 220V |
| Inputs | Line |
| Outputs | Line Out, Headphones |
Procedure for removing the unit from its housing for service work.
Steps to remove the depositor, including pulling off caps and knobs.
How the tape speed selector engages the motor pulley, flywheel, and equalization.
Description of the drive mechanism operation during the 'Pause' mode.
How the tape is transported and tensioned during 'Start' mode.
How the tape is driven and tensioned during fast wind-on.
Description of the drive mechanism operation during rewind mode.
List of parts constituting each clutch assembly.
How clutches operate regardless of recorder position and how forces are transmitted.
Procedure to check the spacing of sensing levers relative to the tape guide.
How to adjust sensing lever spacing using set screws.
Pre-check cleaning of rubber belts and rotating parts with alcohol.
Measuring unwinding tension in Stop and Fast Forward modes.
Measuring winding tension in Stop and Rewind modes.
Adjusting comparator springs and bending flaps for correct tension.
Verifying tape winding speed and tension consistency.
Setting the rest position of the actuating lever for fast forward/rewind.
Adjusting friction pulleys, adjusting plate, and holding magnet for FFWD/REW.
Verifying friction between pulleys and pressure disks for proper clutch function.
Setting the spacing of the actuating lug on the lever for correct operation.
Verifying brake function based on tape movement direction.
Setting brake lift distance for proper operation in different modes.
Procedure for replacing the left-hand friction wheel and drive belt.
Procedure for replacing the right-hand friction wheel.
Procedures for replacing the drive wheel and drive belt for the digital counter.
Procedure for replacing the drive belt connecting the motor pulley to the left friction wheel.
Ensuring proper alignment of the friction wheel with the flywheel and motor pulley.
Adjusting the friction idler position using nuts and screws.
Measuring the force applied by the pressure roller against the capstan.
Setting the correct pressure using adjustment screws and levers.
Verifying solenoid operation and pressure roller lift in electric rapid stop.
Adjusting the rapid stop solenoid position for correct gap.
Verifying pressure roller spacing and clutch tension for mechanical rapid stop.
Setting clearance and clutch torque for mechanical rapid stop.
Ensuring tape passes correctly between guide limits without touching.
Adjusting tape guide pulley and guide position using nuts and screws.
Adjusting vertical and height position of erase and Dia-Pilot heads.
Aligning playback head using test tape and adjusting screws for optimal output.
Adjusting recording head height and azimuth using test signals and voltmeters.
Adjusting short-circuit contacts for correct operation in Stop mode.
Setting the final cut-off contact to open only in Start position.
Ensuring K4 contact closes before mechanical stop is reached.
Positioning equalizer switch contacts precisely over knife-blade contacts.
Using specific sintered metal bearing oil and multi-purpose grease.
Ensuring absolute cleanliness of heads, guides, and drive parts.
Details on recording type, tape speeds, and frequency ranges.
Specifications for wow/flutter, SNR, and erasure attenuation.
Specifications for various inputs, outputs, and speaker performance.
Output power, bandwidth, crosstalk, balance, and tone control ranges.
Data on harmonic distortion, signal-to-noise ratio, and crosstalk attenuation.
Procedure for removing the Royal de Luxe model from its wooden frame.
Procedure for replacing the drive belt for the digital counter on Royal de Luxe models.
Verifying pressure roller spacing and clutch tension for Royal de Luxe.
Setting clearance and clutch torque for Royal de Luxe mechanical rapid stop.
Adjusting tape guide (A) near Dia-Pilot Head using screw (B).
Adjusting tape guide (F) near playback head using screw (E).
Recording format, tape speeds, and frequency response for Royal de Luxe.
Wow/flutter, SNR, and erasure attenuation for Royal de Luxe models.
Amplifier specs including frequency response, output power, and inputs/outputs.
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