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General| Track System | 4-track, 2-channel stereo |
|---|---|
| Tape Speed | 3 3/4 ips, 7 1/2 ips |
| Wow and Flutter | 0.03% (19 cm/s) |
| Heads | 3 |
| Motors | 3 |
| Dimensions | 440 x 244 x 358mm |
| Inputs | Line input (RCA) |
| Outputs | Line, Headphones |
Procedures to confirm insulation resistance after servicing for safety.
Critical safety precautions and guidelines to follow while servicing the unit.
Identifies and lists all the controls on the unit's front and rear panels.
Diagrams showing the location of major internal components and assemblies.
Detailed explanation of the unit's functional principles and modes of operation.
Instructions on how to change the unit's voltage setting for different regions.
Procedures for adjusting brake bands, plungers, pinch rollers, and tape speed.
Steps for aligning heads for optimal playback and recording performance.
Steps for calibrating amplifier circuits for playback level and frequency response.
Guidance on interpreting and using the parts list for component identification.
A list of recommended spare parts for stocking and maintenance.
Detailed parts breakdown organized by unit blocks (Head, Reel, Mech, etc.).
Schematics for integrated circuits like HD14042BP and NJM4558D.
Overall schematic diagrams for power, SYSCON, and amplifier sections.
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