Marantz CRS-2204 High Quality Service Manual

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• SPECIFICATIONS

1. FEATURES

2. DISASSEMBLY

   1. Removing the Cassette Compartment Lid

   2. Removing the Back Cover

   3. Removing the Chassis

   4. Removing the Mechanical Assembly

3. SERVICE GUIDE

   1. Battery Voltage

   2. Battery Polarity

   3. Cleaning the Heads

   4. Current Consumption

   5. Voltage Conversion for N Version Only

4. DIAL STRINGING

5. MECHANICAL ADJUSTMENTS

   1. Checking the Play Operation

   2. Adjusting the Pause Timing

   3. Adjusting the Fast Forward and Rewind Torque

   4. Adjusting the Pinch Roller Pressure

   5. Adjusting the Play Torque

   6. Adjusting the Flywheel Thrust

   7. Positioning the Motor Pulley

   8. Adjusting the Tape Speed

6. ELECTRICAL ADJUSTINGS AND MEASUREMENTS

   1. Adjusting the Playback Level

   2. Adjusting the Head Azimuth

   3. Adjusting the Bias Current

   4. Measuring the Signal – to – Noise Ratio (in Playback Mode)

   5. Measuring the Playback Frequency Response

   6. Measuring the Combined Recording and Playback Frequency Response

   7. Adjusting the ALC Level

   8. Measuring the Combined Recording and Playback Level

   9. Measuring the Combined Recording and Playback Distortion

   10. Measuring the Combined Recording and Playback Signal – to – Noise Ratio

   11. Measuring the Erasing Level

   12. Calibrating the VU Meter

7. ALIGNMENT PROCEDURES

   1. FM Alignment Procedure

   2. FM Stereo Separation Alignment Procedure

   3. MW Alignment Procedure

   4. LW Alignment Procedure

   5. SW Alignment Procedure

8. DIAGRAMS

   1. Level Diagrams

   2. Block Diagram

   3. Schematic Diagram

   4. Circuit Board Diagram

9. EXPLODED VIEWS AND PARTS LIST

   1. [C01 – 99] Front Case

   2. [C02 – 99] Rear Lid and Upper Case

   3. [M01 – 99] P.W. Boards and General Parts

   4. [P01 – 99] Operation Levers and Buttons

   5. [P02 – 99] Head Chassis

   6. [P03 – 99] Flywheel

   7. [P04 – 99] Parts Assembled on the Top of the Chassis

   8. [P05 – 99] Parts Assembled on the Reverse of the Chassis

   9. [H01 – 99] Packing Materials

   10. Electrical Parts List