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Nakamichi DRAGON-CT, Руководство по обслуживанию, Страница: 18 / 34

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Содержание DRAGON-CT

Страница 1: ...Service Manual Nakamichi Nakamichi DRAGON CT...

Страница 2: ...4a dy DY NUN ESIS sss wees ee eeeethce whe uwiese vena Welder o BON A aaa e ouara wiceneha AubesBete bondwe Nestslarg obs Bes 13 7 2 Top Board AQY i aisiciene ig ahah a Soe ha Gadi Soldner ee Sond Gu...

Страница 3: ...Japan 1 2 JIGS AND GAUGES FOR ADJUSTMENT No Description Part No Qty 1 Stand 0D09023A 4 2 10 11P Cord Ass y 50 cm DA09072A 1 3 2P Cord Ass y 50 cm DAO907T3A 1 4 2P Power Cord Ass y 70 cm DAO09074A 2 5...

Страница 4: ...upplied 3 1 Removal of Dust Cover Platters and Insulator Covers 1 Remove FO1 Dust Cover F02 Disc Stabilizer FO3 Turn table Mat FO4 Center Search Platter and FO5 Main Platter in that order and then pul...

Страница 5: ...op Board with hands and insert four Stands 0D09023A in the Insulator Housing at every corner of the Bottom Board Refer to Fig 3 3 2 Turn over the Top Board as shown in Fig 3 3 and carefully 3 3 How to...

Страница 6: ...Tonearm 2 Loosen F01 with a hexagon wrench M8 and remove F02 Arm Sensor Ass y 3 Remove FO3 and F04 Drive Coil Ass y 4 Loosen FO5 with a hexagon wrench M3 and remove F06 Sensor Plate Ass y 5 Remove FO7...

Страница 7: ...with a socket wrench 8 mm and pull out F04 Sensor Shutter Ass y gently without touching other parts Unscrew FO5 with the Sensor Arm Socket Wrench DAO 9078A Hold FO8 and remove F06 FO7 and then FO8 Sen...

Страница 8: ...ounting F04 Sensor Shutter Ass y 1 Align the position of the eccentric screw A as shown 4 3 Center Search Rod Housing Ass y__ in Fig 4 3 1 Remove FO1 and FO2 and then pull F03 Center Search Rod 2 Inse...

Страница 9: ...en to the counting and check if the Tonearm returns with ol Fig 5 1 5 6 Microswitch Rest Microswitch Arm Microswitch Cam Motor PC B Assy Main 0D Motor Assy Microswitch Search Center Search Rod Mechani...

Страница 10: ...cate the stylus on the specified range Ke 5 4 Tonearm Cueing Height Adjustment ql 2 Move the Tonearm away from the Rest Turn the screw of Arm Elevator with the Cueing Height Adj Screwdriver 0D09025A t...

Страница 11: ...echanism Chassis so that the pin E of the Arm Chassis and loosen three screws D Ass y is centered in the slit of the Gauge 2 Install the Center Search Rod Positioning Gauge DAO 4 Fasten three screws D...

Страница 12: ...power OFF just before the Center Search Rod con tacts with the Center Search Platter Return the Sensor Arm to the Arm Rest by hand Remove the record and the Turntable Mat Press the Nominal Center Res...

Страница 13: ...enter Search Switch and after the Sensor Arm Stylus is descended on the Disc turn the power OFF 5 Turn the power ON again after about 15 seconds 6 Connect a DC voltmeter between pins 1 GND and 3 of 7...

Страница 14: ...Stabilizer on the Main Platter and then press the Nominal Center Reset Button Center Spindle Press the Dise Size Selector Switch 30 25 Move the Tonearm towards the center of the platter to turn the tu...

Страница 15: ...16 A03 Fig 7 1 14...

Страница 16: ...7 2 Top Board A01 Fig 7 2 15...

Страница 17: ...Brake Shoe Brake Pad Brake Solenoid Ass y Top Board Nut Bar Rubber Cap Bushing Lifter Rod Coil Spring for Lifter Sensor Arm Ass y Lifter Base Sensor Arm Lifter Insu Lock Pitch Control LED P C B Ass y...

Страница 18: ...me Knob CA80111A Control Panel Ass y CA80085A Control Switch P C B Assy CA80112A Power Switch Ass y CA80130A Leaf Switch 0C80354A Spacer CA80128A Angle Ass y CA80129A Solenoid Ass y 0C80352A Coil Spri...

Страница 19: ...1A Positioner Chassis Ass y 0C803438A Spring C 0E00222A E Ring 2mm 0C80338A Guide 0E00217A M2x6 Pan 0C80339A Eccentric Pin B OC80341A Mylar Washer 3 1x6x0 1 O0C80576A Micro Switch OE00226A M2 6x4 Pan...

Страница 20: ...3x8 Pan OC80465A M2 6x6 Pan Washer faced 0E00134A E Ring 4mm 0E00222A E Ring 2mm OC80466A M2 6x14 Pan 0E00181A E Ring 3mm CA80092A Motor Holder Ass y 0C80322A Worm Gear OC80317A Center Search Rod Acti...

Страница 21: ...heon cal co2 CA80085A OC80271A 0C80272A Control Switch P C B Ass y Serial No V10201001 P C B Holder Volume 5K B 20 Description 0C80241A 0C80273A OC80275A 0C80274A OC80276A O0C80279A 0C80280A 0C80281A...

Страница 22: ...BaD chase 602 Soeevezsg von Fig 8 1 Fig 8 2 Fig 8 3 8 4 Return Signal LED P C B Ass y 8 5 Connector P C B Ass y KEW BWEIS Hit CA80134A Return Sensor P C B Ass y 7 418798 0C80244A Return Sensor P C B 0...

Страница 23: ...vPD4001BC OBO5615A 1 4w J 0C80528A 4 7 25V OBOGI69A IC TC4066BP 0B01684A 1jaw J 0C80526A 10u 16V 0C80521A Xtal 9 8304MHz 64 0C80529A 33u 25V OBO06298A ZD 8 2V RD8 2EB3 0B01846A 1 4w J 0C80523A 130P 50...

Страница 24: ...474 100V K ip 25V 22 16V O 1p 25V O 1p 25V J 220u 16V 23 Schematic Ref No 113 CN101 CN103 CN104 106 110 CN107 CN109 TP101 102 TP103 106 R209 219 220 R210 R214 216 R215 R221 222 R223 224 R230 R232 C201...

Страница 25: ...8 10 CPU P C B Ass y Schematic Ref No 0C80543A OE0O507A OE00509A OE00659A Description Heat Sink Angle 1 Nut Hex M3 2 Chromate M3x6 Pan 3 Chromate M3x10 Pan 2 Chromate 24 rare sng...

Страница 26: ...rd Power Switch Power Transformer T1 Fuses F501 F502 b Fuse P C B Ass y Spark Killer c CPU P C B Ass y ICs 1C301 302 303 Transistors Q301 302 303 305 105 108 205 207 Diode Bridge D301 Capacitors C301...

Страница 27: ...cK RF Do i GND Fig 9 2 9 NAND Gate C MOS IC uPD4023BC Prob EM Fig 9 2 10 D Type Flip Flop C MOS IC TC4013BP 3 3 ra g 2 S 3 a g 5 8 3 a 2 3 cs 2 s o a 8 3 3 3 ie 4 a 4 oe 3 HS oS o8 8s Voo 5VI oe oe a...

Страница 28: ...Buffer oe ee cul cL2 Voo Vss _ s Raset X2 t xt P20 PSTB 2 Ves X1 2 2 Crystal Input for Counter Clock Pai PTOUT 3 P43 INTI O 2 Interrupt P22 4 P42 RESET 3 Reset P23 s pal CLI 2 1R C Input for System Cl...

Страница 29: ...733 Fy rr R27 27K RUG NUM4558D Nok RUS 18OKIF 1000P C107 100P NJM4558D 4 103 2 2 Q102z 2sk240 28c2878 IC201 pPO40BIC 16202 pPD4ONBC 16203 wPD4023BC a Pea ae Le ie 1 201 4 4 12 tt 16201 3 4 a anc 10 0...

Страница 30: ...1p 30 0 068y ane cusing i Solenoids 31 l CN 203 So aa used WARNING 3 OO ft Parts marked with the symbol have critical charac eek 3 16202 3 4 Li ie 3 2 3 R208 5 6K 474 u teristics Use ONLY replacement...

Страница 31: ...its ba PC B Assy aS a i ai ts BE CN 204 be i l Transformer pee e991 GRY i 3 RED als PINT BLK fp REO hoe S 5 ale a wT Clas Selo GRN eee can g es 25 8 TEL al ee Ge ES o 2 ia WHT i PGRN RED AC Input fau...

Страница 32: ...oid E 4 j JL 201 567 2N 204 ae z we m BRN 7 Main Motor CN 101 654321 o00000 Chassis BLU aeece m o 00000 54321 CN 201 109 CN 103 aes aes 2112345 Bi 00 00000 00000015 Mo sage seREEEE Bel ae 53g SS sf a...

Страница 33: ...lenoid Size INTO Qlock Qlock 7 1 O L O L Start O Bl po See O _L O L O a Position Search Rest L Sense LEO a ae 0 DeDe Motor a ee ee Arm Rest P30 c am Pi s Arm Sek id feces pon naan CSeStart Cancel Spee...

Страница 34: ...Effective Arm Weight 14 g without cartridge Tracking Force Adjustment Range 0 0 c ec ee eee 0 3 g Allowable Cartridge Weight 4 1lg Cartridge Change Principle By exchanging pipes chuck joint principle...

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