Table Of Contents - Marantz SUPERSCOPE CRS-2204 Manual

CRS-2204
TABLE OF CONTENTS
SPECIFICATIONS «...-- eee eee ee eee eee eee 1 9.6 [POQ3-99] Flywheel ................. 24
1. (REATUIRES® och eased teen eae data es 2 9.7 [P04-99] Parts Assembled on the Top
2. DISASSEMBLY ......-.-. 0c eee eee ee 3 of the Chassis .. 2... 0.0.0.0 0 00 ecu 24
2.1 Removing the Cassette Compartment Lid .. 3 9.8 [PO5-99] Parts Assembled on the Reverse ..
2.2 Removing the Back Cover .........-... 3 of the Chassis .. 2.2.2... 002 eee eee 25
2.3. Removing the Chassis .-..........200. 3 9.9 [(HO1-99] Packing Materials............ 26
2.4 Removing the Mechanical Assembly ..... 4 9.10 Electrical Parts List ..............05. 27
3. SERVICE GUIDE ...-. 2c cc cn ce wee 4
3.1 Battery Voltage .--.--... eee cease 4
3.2 Battery Polarity ........-......00005 4
3.3. Cleaning the Heads .............000, 4
3.4 Current Consumption ............... 4
3.5 Voltage Conversion for N Version Only .... 4
4. DIAL STRINGING ................008, 5
5. MECHANICAL ADJUSTMENTS ........... 6
5.1 Checking the Play Operation .......... 6
5.2 Adjusting the Pause Timing ........... 6
5.3 Adjusting the Fast Forward and
Rewind Torque .........2.2000e eee 6
5.4 Adjusting the Pinch Roller Pressure ...... 7
5.5 Adjusting the Play Torque ............ 7
5.6 Adjusting the Flywheel Thrust ......... 7
5.7. Positioning the Motor Pulley .......... 8
5.8 Adjusting the Tape Speed ........-... 8
6. ELECTRICAL ADJUSTINGS AND
MEASUREMENTS ..---- +e 2 eee eee ee eee 8
6.1 Adjusting the Playback Level -----+--.- 8
6.2 Adjusting the Head Azimuth .-..-.+.--- 9
6.3 Adjusting the Bias Current ..-..-..-+-- 9
6.4 Measuring the Signal-to-Noise Ratio
(in Playback Mode) ....-.....-2+.-.00- 9
6.5 Measuring the Playback Frequency .-.....-
Response «+--+ - seer eee n eee rene nee 9
6.6 Measuring the Combined Recording and
Playback Frequency Response ......... 9
6.7. Adjustingthe ALC Level ............. 10
6.8 Measuring the Combined Recording and
Playback Level ............2-0008.5 10
6.9 Measuring the Combined Recording
and Playback Distortion.............. 10
6.10 Measuring the Combined Recording
and Playback Signal-to-Noise Ratio ...... 10
6.11 Measuring the Erasing Level ....-...... 10
6.12 Calibrating the VU Meter ............. 10
7. ALIGNMENT PROCEDURES ............. 11
7.1. FM Alignment Procedure ....-....---+5 11
7.2 FM Stereo Separation Alignment Procedure. 12
7.3. MW Alignment Procedure...........-- 12
7.4 LW Alignment Procedure ............. 13
7.5 SW Alignment Procedure ......-.-.-5- 13
8 (DIAGRAMS bos c0 oe ante ak ee ae ae are tS 14
8.1 Level Diagrams... -- eee eee eee ee ees 14
8.2. Block Diagram --- +. eee eee eee eee 15
8.3. Schematic Diagram ------ +--+ ese ees 16
8.4 Circuit Board Diagram - +--+ +--+ sees 18
9. EXPLODED VIEWS AND PARTS LIST ------ 20
9.1 [C01-99] Front Case------- +--+ ee eee 20
9.2 [C0O2-99] Rear Lid and Upper Case ------- 21
9.3 [MO1-99] P.W. Boards and General Parts .-- 22
9.4 [P01-99] Operation Levers and Buttons .... 23
9.5 [P02-99] Head Chassis ..---- +--+ +e eee 23