Nakamichi 430 Service Manual
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Extracted text from Nakamichi 430 Service Manual (Ocr-read)
Page 2
CONTENTS
1. General ...................................................................
2 Principle of Operation .........................................................
2. 1. Tuner Section ........................................................
2.1.1. FM MPX Stereo Broadcasting Operation ....................................
2.1.2. Operation of N-430 Tuner Section .........................................
2. 2. Indicator Logic .......................................................
2. 3. Mute Signal ..........................................................
3. Removal Procedures ..........................................................
3. 1. Top Cover, Front Panel Assy and Bottom Cover .................................
3. 2. Front Chassis Assy .....................................................
3. 3. P.C.B. Assemblies ......................................................
3. 4. Power Supply Assy and Rear Panel Ass'y ......................................
4. Electrical Adjustments and measurements ............................................ 9
5. Dial Threading .............................................................. 13
5. 1. How to Prepare the Dial Thread ............................................ 13
5. 2. How to Fit Front-end Pulley 430 ............................................ 13
5. 3. How to Set Dial Threading ................................................ 13
6. Mounting Diagrams and Parts List ................................................. 14
6. 1. Main P.C.B. Assy ...................................................... 14
6. 2 Indicator H.P,F. P.C.B. Ass'y .............................................. 15
6. 3 MPX P.C.B. Ass'y ..................................................... 15
6. 4 Dolby NR P.C.B. Assy (Option) ............................................ 16
6. 5 Switch P.C.B. Assy ..................................................... 17
6. 6 Lamp P.C.B. Assy ..................................................... 17
6. 7. Stereo Lamp P. C. B Assy ................................................. 17
6. 8. Power Supply P. C. B. Ass y ................................................ 18
7. Mechanism Ass y and Parts List ................................................... 19
7. 1. Synthesis Mechanism Ass' y (K01) ........................................... 19
7. 2 Tuner Mechanism Assy (K02) ............................................. 20
7. 3 Front Panel Ass'y (K03) ................................................. 21
7. 4 Power Supply Ass'y (A01) ................................................ 22
7. 5 Main Chassis Assy (A02) ................................................. 23
7. 6. Front Chassis Ass'y (A03) ................................................ 24
7. 7. Rear Panel Ass' Y (A04) .................................................. 25
8. Performance Data ............................................................ 26
9. Block Diagram .............................................................. 27
10. Wiring Diagram ............................................................. 28
11. Schematic Diagram ........................................................... 29
12. Specifications .............................................................. 30
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