Nakamichi MR-1 Service Manual Download Page 1 | Manualshive

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Summary of Contents for MR-1

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Page 17: ...y 1 3P H Connector 1 Carbon Resistor 2 2 k ohm 1 1 6 5 1 Meter Amp P c B Assty 1 Main P C B Ass y 1 Rear Panel Ass y u s A 1 Rear Panel Ass y anada 1 Side Chassis R 1 Insu Lock BK 1 8 Insu Lock 140 m...

Page 18: ...8 Front Chassis Front Chassis Sub A s s y d a EL eadphoneVolume P C B Ass y Headphone Jack Headphone Plate Input Jack Holdef c Input Bal Amp B P C B s l y Control Switch P C r Slide Switch Knob Counte...

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Page 21: ...pring Erase Head Hold P l a t e spring Tape Guide P l a t e Head Base Sub ASS Y S t e e l Ball 2mm Take up Pressure Roller Arm ASS Take up Pressure Roller Arm s p r i n g Mode Switch Cassette Case Hol...

Page 22: ...T2 5 20 P h i l i p s Pan M2x5 P h i l i p s Binding Spring Washer 2 m m Washer 2x4 3x0 4 M2 6 4P h i l i p s Binding P l a t e Washer L P l a t e Washer R FT3x4 P h i l i p s Pan M1 7 7P h i l i p s...

Page 23: ...rchangeable with each o t h e r 2 a 2SA733 2SA608SP 2SA1048 2SA1175 BZ b 2SC945 2SC536SP 2SC2458 2SC2785 Qz 4 Abbreviation f o r p a r t name Qa TR T r a n s i s t o r SiD S i l i c o n Diode ZD Zener...

Page 24: ...wls0 ZU tSS QIlQ i iJ BA05648A Unbal Output P C B Ass y o x h 1 h 9 0 0 0 r1 1 BA05643A Output Bal Amp P C B Ass y l r ql ewma B J BA05650A MPX F i l t e r Switch P C B Asst y 6 d1 AilPSEOigO O Z J BA...

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Page 29: ...7 19 Main P C B A s s y Fig 7 19...

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Page 31: ...9 OB06371A TR 2SD1286 K L 4622 624 OB10062A TR DTC144ES 626 4627 628 OB10053A TR DTA144ES 632 Q629 OB10022A FET 288246 4711 811 OB06066A TR 2SD471 L M 4712 812 OBO6069A TR 25B564 L M ZD301 OB12153A ZD...

Page 32: ...Oatpat Bid iMp OB12258A LED TLRO A e d P C B A s s y BAO553OA Tape bitch c B IC101 201 OB06370A I C NJM4556D A E 3 Y I C NJM082DI SiD 1SS176 TR 2SA733 P Q W 5 5 2 5 A Heter B rp P C B Ass y OB10039A T...

Page 33: ...8 SCHEMATIC DIAGRAM 8 1 Schematic Diagram...

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Page 35: ...aracter Lacturer It is recommended that the unit be operaY istics suitable DC supply or batteries during initial check a Use ONLY replacement parts recommended by the manu dure A LI I 11121 I h P C 8...

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Page 38: ...a n t Timing Cha r _ Control Buttoq Mode Control Cam Motor R E V Cam Position Switch OFF ON FWD I Reel Motor 3 IN00 3 lnput P h lFlO IN1 0 3 lnput Port IN1 IN20 3 lnput Pott IN2 OTO0 3 Output PonOTO...

Page 39: ...PO2 PO3 EXfal Xtal INT RES PEO PE I 4 PE2 PE3 27 PC2 PC I PC0 PA3 PA2 PAl 2 1 PA0 20 VDD PGO PF3 17 PF2 K T RE3 TEST PAO 3 KO 3 P PEO 3 PF I I Fig 8 1 6 4 Bit Micro processin Fig 8 1 7 4 Bit Micro pro...

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