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Nakamichi T-100, Руководство по обслуживанию, Страница: 28 / 56

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Содержание T-100

Страница 1: ...NAKA 00088 Service Manual Nakamichi Nakamichi T 100 Audio Analyzer...

Страница 2: ...s abatecates 12 5 2 Previous Type eee ee eee eee eee 15 Mounting Diagrams Circuit Diagrams and Parts List 18 6 1 IC Block Diagrams 18 6 2 Connector P C B Ass y 19 6 3 Power Supply P C B Ass y 21 6 4 W...

Страница 3: ...nsley Muttote Converter Mai in daoen Fig 1 2 Rear View Speed Deviation Scale Top Indicator Level Scale Bottom Indicator Total Harmonic Distortion Wow Flutter Scale Speed Calibration Control Function C...

Страница 4: ...tion L Selects left channel level on the top indicator and left channel total harmonic distortion on the bottom indica tor SPEED CAL 5 Level T H Distortion R Selects right channel Jevel on the top ind...

Страница 5: ...Input RO Ose Outpur the disptay is the same as when the function control is set to level However by turning the input level controls counter clockwise you can reduce the sensitivity to any inter media...

Страница 6: ...the Switch P C B circuit but in the next stage 10 V or 10 V bias is applied to signal A B C or A B C Thus the L or H level is obtained 2 H and L levels should be as follows H 6 5V 10V LY 10 V 7 5V Fi...

Страница 7: ...thesis Mechanism Ass y with Power Supply Ass y Refer to Fig 2 1 1 Remove F01 F02 and FO3 then disassemble FO4 Top Cover Ass y and F05 Acrylic Cover 2 Remove FO6 and FO7 then disassemble F08 Bottom Cov...

Страница 8: ...1 Remove FO5 and FO7 then disassemble FO8 Rear Panel B Ass y Remove FO9 then disassemble F10 Connector P C B Ass y F18 2 4 Switch Control Ass y and Bar graph Holder Assy Refer to Fig 2 2 1 2 3 Refer...

Страница 9: ...trol Ass y P C B Holder Ass y referring to item 2 4 6 Remove F12 and F13 then disassemble F14 Switch 2 Remove FO1 then disassemble FO2 Rotary Switch P C B Ass y Knob Ass y 7 Remove F15 then disassembl...

Страница 10: ...en disassemble FO2 Shield Cover Ass y 3 Remove FO3 then disassemble FO4 Display P C B Ass y and F05 Display P C B Insulator 4 Remove FO6 then disassemble FO7 Scale Panel Ass y 5 Remove FO8 then disass...

Страница 11: ...tch Remove F12 and F13 then disassemble F14 Power Supply Name Plate Remove F15 and F16 Inlet Holder then disassem ble F17 AC Inlet FO2 FO1 i 2 3 4 5 6 7 8 MEASUREMENT INSTRUMENTS Oscillator 20 Hz 20 k...

Страница 12: ...DRUCK 2 LOG OUTPUT LEVEL LOG OFFSET CONVERTER PCB CN 22 CONNECTOR P C B Fig 4 1 BARGRAPH FULL SCALE A DISPLAY P C B VR702 VR7OI SWITCH P C 8 4 2 Previous Type L_Sf VR202 R ve 301 OSC FREQ PEAK LEVEL V...

Страница 13: ...put Level Log Output Level VTVM to Oscillator OUTPUT Jacks Oscillator to INPUT Jacks Bargraph Full Scale VC301 50P 302 Fig 5 1 1 1 Oscillator Frequency NAKA 00088 DRUCK 3 Oscillator to INPUT Jacks R30...

Страница 14: ...ph specified Input Level VR Max Osc Output VR Max Function Level Meter Range 1 ae ingat faa 10V hoe pee Feed in 1 kHz 20 dB 100 mV and adjust VR101 VR201 to WTD A Output Level scillator to BEWOFK Ts o...

Страница 15: ...5 Fig 5 1 13 11 Wow Fiutter Output Level 14 Fig 5 1 14 Fig 5 1 15 12 Frequency Response and Distortion Output Level Fig 5 1 16 13 Multiplier Output Level 2 Set the output of the Distortion Generator...

Страница 16: ...TP R Absolute Rectifier P C B DC Voltmeter to N22 1 CN22 2 Function Level Meter Range 1 Input Level 1V Speed Cal VR Not specified Input Level VR Max Osc Output VR Max Osc P C B VR301 Adjust VR301 to o...

Страница 17: ...Level Meter Range 1 Input Level 10 V Speed Cal VR Not specified Input Level VR Max Osc Output VR Max Oscillator and Frequency Counter to INPUT Jacks Function Wow Flutter Meier Range 1 Input Level 1V...

Страница 18: ...88 DRUCK 8 C813 R820 VR8OI 1K Fig 5 2 15 Fig 5 2 16 13 Frequency Response and Distortion Output Level VR751 22k R756 R757 Fig 5 2 17 14 Multiplier Output Level 14 Multiplier Output Level Fig 5 2 18 Se...

Страница 19: ...Input 8 TOP VIEW Fig 6 1 1 OP Amp IC 4558 TA7136P r Fig 6 1 3 OP Amp IC TA7136P pASSSTC Flip Flop i fase rege a er Fig 6 1 5 Timer IC uAS55TC Output Frequency Compensotion B Output Frequency Compensat...

Страница 20: ...CB TOONS sw PCB BA03893A Connector P C B Ass y 0B07751B Connector P C B BAO3808A 19P Connector Ass y 7 pes 0B08435A CN Connector A 1 pce 0B08436A CN Connector B 1 pce 0B084378 CN Connector C 1 pce OB0...

Страница 21: ...slsboe fs bspetrys TEE EET ESM es rsrspter Volume P C B cn Bar Graph To Connector PC 8 Distortion Outgut 3 Distortion fnget Ose Outout 4 RHE Input Oe Input Kr Outzet 20 oN Fig 6 2 2 Connecting Diagram...

Страница 22: ...aos ary ev A725 aoe ace aT0p2ey _ _ 2 g a Te SwPCB ay Yosw PCB Foe 7 Fig 6 3 1 120 V Fig 6 3 3 220 V 240V cn23 sete F401 T63mA 2500 Dispity FCB ex Fag T6908 2507 ITeil Poa vex Ne oN o N20 POWER SUPPLY...

Страница 23: ...30A P S Connector A 3PH 1 pce Transistor 2SB435 0B08431A P S Connector B 3PH 1 pce Transistor 28D235 06080778 Motor Governor P C B Holder 1 pce Transistor 25A733 0J03740B Heat Sink E1 1 pce Transistor...

Страница 24: ...J 68K ERO 25CK F 2 2K ERD 25T J 180K ERD 25T J 390K ERD 25T J 270K ERD 25T J 4 7K ERD 25T J 18K ERD 25T J 47K ERD 25T J 68K ERD 25T J 330K ERD 25T J Part No 1 Description R326 R327 338 339 R330 331 3...

Страница 25: ...Se cat rd 222080 p22 2007 304 ay tevin 346 0 01240 e302 aly sevIT Conditions input Signal 3000 Hz 0 1 30 mV or more Input Range SW 0 dB Function Control Speed Unweighted 24 Fig 6 4 2 Note Diode is 1SS...

Страница 26: ...stor 3 83K ERO 25CK Function Control Level R318 OB05975A Metal Film Resistor 3 16K ERO 25CK Sulton Ganisol abo ue R319 0B09065A Metal Film Resistor 2 55K ERO 25CK 6 6 Oscillator P C B Ass ae Gatbat Go...

Страница 27: ...ixed Volume Semi fixed Volume Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Res...

Страница 28: ...n Control Level Fig 6 7 2 Current Type NAKA 00088 DRUCK 14 aN i BL i cel MIEN ov ov ia y ABSOLUTE RECTIFIER P C 8 Rr N 5 cre cl 22a i6v 569 G9 ScopatL Rev t Seopa RD cee tt ne zarvey 3 q 77 atete 5 OE...

Страница 29: ...c Capacitor Tantalum Capacitor Mylar Capacitor Tantalum Capacitor Gate Pin Glass Tube 25mm 2 2u 20V 5P 50V K 224 16V 0 022u 50V K Va 35V 2 pes 4 001 003 1 002 004 1co05 D701 707 801 813 701 703 801 86...

Страница 30: ...ral I l0Ov mnperiLy noetiAd 3 Ovtput R208 Boney i L fee iis 28 38 Pasty Sg a4 ay hav ov 1 av iov Conditions Fig 6 8 1 Note Diode is 1 S53 18953 or 181555 Input Signal 1 V rms 1 kHz ts age Input Range...

Страница 31: ...istor 3 3K ERD 25T J Carbon Resistor 33K ERD 25T J Carbon Resistor 10K ERD 25T J Carbon Resistor 180K ERD 25T J Carbon Resistor 390K ERD 25T J Metal Fitm Resistor 30 9K ERO 25CK F Carbon Resistor 18K...

Страница 32: ...irs 62 mV rms Hom rms 3 2V rms I neie Reo 69 8KF T6 aKiF w ce23 a0 7 WSO 2sKiir 83 22m tss00RFT E33 26 IKIF 100mV rms Conditions Fig 6 9 1 Note Diode is 1 S53 18953 or 181555 Input Signal 100 mV rms 1...

Страница 33: ...stor 75 ERD 25T J Metal Film Resistor 76 8K ERO 25CK F Metal Film Resistor 38 3K ERO 25CK F Carbon Resistor 1 2M ERD 25T J Metal Film Resistor 17 8K ERO 25CK F Metal Film Resistor 9 31K ERO 25CK F Met...

Страница 34: ...fe axis lopat plat input ist Output Switch P C B O86 Snpst ean laxvz Ourpat 8 CNt6 ASG Outpet peels Ta Ore Outout va ae Ty ee wen Conditions Fig 6 10 1 Note Diode is 1 S53 15953 or 181555 Input Signa...

Страница 35: ...Resistor Carbon Resistor Carbon Resistor 2SK117 28C1222 2SC945 A 20K 6 8K B 100K 68K ERD 25T J 2 2M ERD 25T J 10K ERD 25T J OB05626A OBO5575A 0B01846A OB05641A OBO5698A 0B01862A 0B01402A 0B01412A 0B0...

Страница 36: ...NO 8 os ost Ee Bi Foon sis 10 69 iar Pei CR ebay S8RV me nee fs 2B JOmv rms 100mV rms 308 LX 7 Lege 208 BrerCrDtE G te ais Output Ry 204 seKiFh Reig are InputtRi BEBEBM orn a ar Ree ae Boel Conditions...

Страница 37: ...y HF A WTD Network P C B Ic RC4558D Transistor 2SC 1636 FET 28K117 Transistor Silicon Diode 2SC945 A 181555 9 pes Semi fixed Volume 1K Carbon Resistor 220K ERD 25T J Metal Film Resistor 6 19K ERO 25CK...

Страница 38: ...Cathode Anode ov cnz2 31 AG me av 1 ov Wavetorm Between Test Points Ositloscope Vertical Gain SmV em N65 NG op Conditions Input Signal 1 V rms 1 kHz Input Range SW 0 dB Meter Range SW 0 d8 Function Co...

Страница 39: ...A SP Capacitor 2700P 50V G D701 702 0B01909A Silicon Diode 181555 C704 0B08232A PP Capacitor 5600P 100V F 703 704 C705 706 0B09382A Electrolytic Capacitor4 72 160V D705 706 0B06136A Silicon Diode 1824...

Страница 40: ...1 5 oY 18v 4 8V 0 GND Distortion Output Crs 0 689 3907 Distortion Input D Conditions Fig 6 13 1 Note Diode is 1SS53 1953 or 181555 Input Signal 1 V rms 400 Hz unless otherwise specified Distortion 1...

Страница 41: ...sistor Transistor FET Semi fixed Volume Semi fixed Volume Semi fixed Volume Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resis...

Страница 42: ...er Synthesis Mechanism Ass y Acrylic Cover Leg Spring Leg Acrylic Cover Holder Bottom Cover Sub Ass y Rubber Foot Rubber Foot BD Name Plate Cover Spacer Caution Name Plate Power Supply Box Cover Power...

Страница 43: ...s y iHF A WTD Network P C B Ass y Wow Flutter P C B Ass y Distortion P C B Ass y Absolute Rectifier P C B Ass y Analogue Multiplier P C B Ass y Linear Log Converter P C B Ass y Rear Panel B Ass y Main...

Страница 44: ...7 3 Power Supply Ass y A02 Others 2 104 LOS Fig 7 3...

Страница 45: ...K Sweden Austratia Others 1 Power Transformer Japan Power Transformer Others 2 Bolt Receptacle Plate Fuse Holder U S A Japan Fuse Holder UK Sweden Australia Others 1 2 Fuse 250mA 250V U S A Japan Fuse...

Страница 46: ...Rotary Switch Knob Ass y Slide Switch Knob Calibration Knob Front Panel Ass y Front Panel Himelon Front Panel Stud Switch Holder Switch P C B Ass y Volume P C B Ass y Switch P C B Hoider Volume P C B...

Страница 47: ...r Ass y Shield Cover Ass y Bar graph Stud Display P C B Ass y Display P C B Insulator Bar graph Holder Pressure Piate Bar graph Cushion A Bar graph Cushion B Bar graph Cushion C 8P Plug P C B Ass y Ba...

Страница 48: ...Ref No LOI Part No 03 Fig 7 6 Description Bo3 01 02 03 JA03221A BAO3893A 0J03750A 0J04024A OE00607A Connector Ass y Connector P C B Ass y Connector P C B Holder P C B Insulator Screw M3x8 Philips Pan...

Страница 49: ...eed Unweighted Speed Wow Flutter DIN WTD Level T H Distortion 400 Hz L Level T H Distortion 400 Hz R Level OdB Level 20 dB Noise IHF A 40 dB Peak Levei Fig 8 o Leh Scot Rich S008 Output Absolute Recti...

Страница 50: ...ov oOVv _BaN 2 aD ae LY ORN EL NS GRN s a2 g 1 hi POWER z 5 fe bs i SISWITCH LHR l Ae nwt SRN 1GNOH ae GR a f fm aie fete tH bie CONNECTOR P C B ee wm z Xa a 2 2 5 a ad tall oe or ay ne 9 1 mea h3 7 C...

Страница 51: ...3 or Inputs L and R on Absolute Rectifier P C B a Defective C307 or 302 b Abnormality of logic signals or defective bitateral switeh Q102 202 104 204 or 301 7 8 9 10 i1 12 13 14 t5 16 c Bilateral swi...

Страница 52: ...ic signals on Wow Flutter P C B Indicator does not indieata the proper value when Function Control is set ta Speed Cal Function Control Speed Cal 61 Sine wave 3 KHz approx 0 7 V mms is not obtained 4...

Страница 53: ...ained at Output on Wow Flutter P C B for Input R on Absolute Rectifier P C B fa Defective IC204 2 b Abnormality of logic signals or defective bi lateral switch Q306 or 307 on Wow Flutter P C B c Abnor...

Страница 54: ...PEREOM schvig vise sais 40 ee wise s DIN peak wtd or unwtd selectable Fraquency Range 0 0 0 eee 0 2 200 Hz Calibration tast signalh 2 ke eee 3 kHz 4 5 Hz 0 15 Tape Speed Range 00 3 Distortion Meter Me...

Страница 55: ......

Страница 56: ...2 4111 Telex 2832610 iNAKAM J Cable NAKAMICH KOKUBUNJ Nakamichi US A Corporation 220 Westbury Avenue Carle Place N 11574 Phone 1576 333 5440 1101 Colorado Avanva Santa Monica Calif sone Phone 213 461...

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