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General| Brand | Panasonic |
|---|---|
| Model | RS-612US-D |
| Category | Cassette Player |
| Language | English |
Lists key parameters like power, motor, tape speed, frequency response, and noise ratio.
Identifies front panel controls, buttons, knobs, and rear/side panel connectors.
Outlines steps for disassembling main parts with reference to figures.
Lists required test equipment and their technical specifications for calibration.
Details specifications for attenuator, oscilloscope, digital counter, and wow meter.
Specifies ambient conditions, power voltage accuracy, and positioning for testing.
Details types of test tapes and their recommended usage frequency and storage.
Procedures for measuring and adjusting pressure roller tension and takeup tension.
Methods for head azimuth adjustment and tape speed calibration.
Procedures for measuring tape speed accuracy, fluctuation, and wow/flutter.
Methods for measuring playback frequency response, gain, and signal-to-noise ratio.
Procedures for measuring and adjusting bias current and erase current.
Methods for measuring overall gain, level meter indication, and distortion.
Provides frequency response charts and measurement steps for different tape types.
Adjusting frequency response via bias, measuring S/N, and Dolby NR circuit calibration.
Diagrams showing adjustment points on the PCB and locations of variable resistors.
Detailed electrical schematic showing left/right channels and common circuits.
Illustrates the wiring connections for the main board and external components.
Diagrams showing exploded views of the unit's mechanical assemblies.
Exploded views of specific mechanical sub-assemblies for detailed part identification.
Diagrams showing the physical locations of electrical components and cabinet parts.
Comprehensive list of mechanical parts with part numbers and descriptions.
Continues the mechanical parts list, detailing base plates, levers, and rollers.
Lists variable resistors, capacitors, transistors, and diodes with part numbers.
Lists remaining mechanical parts and resistors with their specifications.
Lists transformers, switches, electrical components, and cabinet parts.
Lists remaining cabinet parts, accessories, and packing materials.
