Nakamichi NR 200 Service Manual

Page 2

CONTENTS
1. General ...................................................................... 2
2. Removal Procedures ............................................................. 3
2. 1. Side Plates ............................................................ 3
2 2. Top Cover Assy ........................................................ 3
2 3. Bottom Cover Assy ..................................................... 3
2 4. Front Panel Assy ....................................................... 3
2 5. Front Chassis Assy, Volume P.C.B. Assy, Indicator Ass'y,and Lamp P.C.B. Ass'y ............ 3
2 6. Main P.C.B. Assy and Dolby NR Switch P.C.B. Assy . . . . . .......................... 3
2 7. Power Transformer and Fuse P.C.B. Assy ....................... .. ............... 3
2. 8. Power Switch ........................................ . ................. 3
2. 9. Rear Panel Ass y ......................................... . ............. 3
3. Parts Location for Electrical Adjustment ................................................ 5
4 Electrical Adjustments and Measurements ............................................... 6
4. 1. Adjustment and Measurement instructions ...................................... 6
4. 2. Dolby NR Circuit Check .................................................. 7
5. Mounting Diagrams and Parts List ...... . ............................................. 7
5. 1. Indicator P.C.B. Ass'y .................................................... 7
5. 2 Dolby NR Switch P.C.B. Ass'y .............................................. 7
5. 3. Lamp P.C.B. Ass'y ...................................................... 8
5. 4 Volume P.C.B. Ass'y ..................................................... 8
5. 5 Fuse P.C.B. Assy ....................................................... 8
5. 6, Main P.C.B. Ass'y ....................................................... 9
6. Mechanism Ass'y and Parts List ....................................................... 11
6. 1. Synthesis Mechanism Ass'y ................................................. 11
6. 2. FrontPanelAss'y(A01).................................: ................ 11
6. 3. Chassis Ass'y (A02) ...................................................... 12
6. 4. Indicator Ass'y (801) .................................................... 13
6. 5. Slide Volume Ass'y (302) ................................................. 14
6. 6. Rear Panel Ass y (303) ................................................... 15
7. Block Diagram ...................... . .......................................... 16
8. Performance Data ............................................................... 17
9. Wiring Diagram ..................................... . . ......................... 19
10. Schematic Diagram ........................................ . ..................... 20
11. Specifications ................................................................. 22