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General| Type | Reel-to-reel tape deck |
|---|---|
| Signal-to-Noise Ratio | 58dB |
| Tracks | 4-track |
| Heads | 3 (erase, record, playback) |
| Reel Size | 7 inch |
| Input | Line level and microphone |
| Output | Line level |
Specifications for GX-4000D and GX-4000DB models.
Step-by-step instructions and diagrams for disassembling the tape deck.
Identification and description of all front and rear panel controls and indicators.
Diagrams showing the location of key internal components.
Procedures for adjusting various mechanical aspects like pinch roller, belts, and auto-stop.
Detailed instructions for adjusting tape head height, azimuth, and angle.
Procedures for adjusting amplifier circuits and performance parameters.
Table listing DC resistance values for tape heads.
Lists P.C. board titles and identification numbers for different models.
List of recommended parts to stock for common repairs.
Illustration and part numbers for the head base block assembly.
Illustration and part numbers for the motor block assembly.
Illustration and part numbers for the reel table block assembly.
Illustration and part numbers for the flywheel block assembly.
Illustration and part numbers for the switch block assembly.
Illustration and part numbers for the mechanical assembly.
Lists of P.C. board part numbers and their components.
Illustration and part numbers for the power and amplifier assemblies.
Illustration and part numbers for the final assembly of the unit.
Table of semiconductor parts and their interchangeable substitutes.
Detailed schematic of the GX-4000D model's circuitry.
Detailed schematic of the GX-4000DB model's circuitry.
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