NAD C 521BEE Скачать руководство пользователя

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NAD

C 521BEE

C O M PA C T

DISC PLAYER

C 521BEE

COMP

ACT

DISC PLA

YER

SER

VICE MANUAL

Содержание C 521BEE

Страница 1: ...NAD C 521BEE COMPACT DISC PLAYER C 521BEE COMPACT DISC PLAYER SERVICE MANUAL...

Страница 2: ...ALUKITUSOHITETTAESSAOLET ALTTIINAN KTM T NT LASERS TEILYLLE L KAISO S TEESEEN VORSICT UNSICHTBARELASERSTRAHLUNG TRITTAUS WENN DECKELGE FFNETUNDWENNSICHERHEITSVERRIEGELUNG BERBR CKTIST NICHTDEMSTRAHLAU...

Страница 3: ...the customer make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from the supply circuit Parts marked with the symbol are critical with regard to t...

Страница 4: ...Ratio A Weight 106 dB De Emphasis on 106 dB De Emphasis off Channel Separation 1kHz 90 dB 10 kHz 80 dB Wow and Flutter Unmeasurable Quartz Crystal Accuracy Output Impedance 200 Output Level at 0 dB 2...

Страница 5: ...GITAL OUT 3 AC LINE CORD 1 POWER ON OFF 2 DISC DRAWER 3 DISPLAY 4 OPEN 5 PLAY PAUSE 6 TIME 7 STOP 8 REPEAT 9 RANDOM 10 SCAN Back Forward 11 SKIP Back Forward 12 STANDBY LED REAR PANEL FRONT PANEL REAR...

Страница 6: ...ide panels Remove tapping screw 3 0 x 8 5 5 from the back panel Refer to Figure No 1 Figure No 1 2 Pull both sides of the TOP COVER slightly outwards 6 and tilt approx 35 and then remove in the direct...

Страница 7: ...RFDC FE SE Q104 Q107 MOTOR DRIVER U201 BA6392 FOCUS TRACKING MOTOR DRIVER LOADING MOTOR LOADING MOTOR LIMIT SWITCH SPINDLE MOTOR SLED MOTOR PU IN LIMIT SWITCH PICK UP DISC M113 REMOTE SENSOR CD MECHA...

Страница 8: ...J406 J407 J402 J404 J401 1723 006A 0000 8V 0V 0V 8V 15V 0V 15V ISSUE B M120C M505B M301 LIVE NEUTRAL M500A M102 16PIN M105 6PIN M505A CD MECHANISM TRANSFORMER BOARD DISPLAY BOARD LED BOARD KEY BOARD L...

Страница 9: ...the unit into PLAY mode 2 Connect the scope to R227 Pin 15 of U101 and DGND J144 Scope setting Coupling AC Vertical sensitivity 0 2 V div Horizontal time base 0 5 S div 3 Observe the waveform is 2 0V...

Страница 10: ...BEAM EMISSION The laser beam of this unit is focused on the reflecting surface of the objective lens in the optical system block Therefore keep your eyes at least 12 inches 30 cm away from the object...

Страница 11: ...NTIL YOU HAVE FINISHED FITTING THE PICK UP Caution Laser diodes are extremely susceptible to damage from static electricity Even if a static discharge does not ruin the diode it can shorten its life o...

Страница 12: ...12 PCB LAYOUT DISPLAY BOARD KEY BOARD LIVE BOARD LED BOARD...

Страница 13: ...13 MAIN BOARD...

Страница 14: ...K R207 1K R208 1K R209 1K R210 1K R211 1K R212 100K R213 10K R214 8K2 R215 4R7 R216 0R R217 1K R218 15K R219 15K R220 100K R222 0R R223 33K R224 10K R225 100K R226 1M R227 100 R228 3K3 R229 3K3 R230 1...

Страница 15: ...2X DISCO DI SW R327 4K7 R326 4K7 R325 4K7 R323 4K7 R322 4K7 R321 4K7 SQSO SENS C301 33p C302 33p C303 0 01u 1 2 3 Q308 8050 R329 4K7 R328 4K7 D303 IN4148 R338 10K R339 100K C308 10u 6 3V VCC C307 47u...

Страница 16: ...3 1 U306A 5532 6 5 7 U306B 5532 8 4 U305C 5532 DGND R378 4K7 R382 4K7 R414 100K A 12V C375 22u 25V C377 224K R355 6K8 R359 6K8 C352 330p R363 1K5 R367 2K2 R371 2K2 C356 2700p C362 4700p C366 680p C368...

Страница 17: ...0R C522 100u 16V ELD1 C502 104K C503 104K D501 1N4001 D502 1N4001 C506 2200u 25V Vin GND Vout 1 2 3 U502 7812 C504 104K D504 1N4001 D503 1N4001 C505 104K C507 2200u 25V C526 104K C512 1000u 16V C513 1...

Страница 18: ...VC DVcc DVcc DVcc gm gm VC VC VOFST DVC DVC VC Vcc APC OFF Hi Z RW ROM H L Vcc 18 IC BLOCK DIAGRAM MAIN BOARD U101 CXA2581N 1 CH1OUTF 28 GND 2 F INTER FACE REV FWD R CH1OUTR 27 CH4OUTF 3 RCIN1 26 CH4O...

Страница 19: ...GENERATOR PWM GENERATOR OPAmp Analog SW A D Converter Asymmtery Corrector Digital PLL Digital CLV CPU Interface XTSL XUGF GFS EMPH WFCK C2PO LRCK PCMD BCK SYSM TES1 TEST XRST RMUT LMUT XTAI XTAO AOUT1...

Страница 20: ...display RAM 16 bytes LCD drive control circuit A 25 Reset input RESET 71 5V Vcc 0V Vss 30 78 VL3 77 COM0 76 COM1 75 COM2 74 COM3 70 SEG0 69 SEG1 68 SEG2 67 SEG3 66 SEG4 65 SEG5 64 SEG6 63 SEG7 62 SEG...

Страница 21: ...9 8 MAIN BOARD U403 TC74HC00AP V0 GND V1 MAIN BOARD U503 UPC79M12HF AMPLIFIER 1 OUTPUT INVERTING INPUT NON INVERTING INPUT V AMPLIFIER 2 V OUTPUT INVERTING INPUT NON INVERTING INPUT 1 2 3 4 8 7 6 5 MA...

Страница 22: ...Q302 Q303 Q304 LINE OUT PLUG OR PATTERNS DEFECTIVE MUTE CIRCUIT DEFECTIVE IC U201 DEFECTIVE M101 SWITCH DEFECTIVE OR PATTERN AND CONNECTOR OPEN IS OSCILLATOR CIRCUIT OSCILLATING POWER SUPPLY PATTERNS...

Страница 23: ...ISPLAY NEGATIVE M502 2450 1146 0 EL BACKLIGHT KEY ASSY PC BOARD PCB N0A60C KEY PCB ASSY KEY N0A60C RESISTOR R301 R306 R307 4711 102A 2 RMF 1 8W 1K 1 AT R302 R303 4711 622A 2 RMF 1 8W 6 2K 1 AT R304 R3...

Страница 24: ...V 1500PF 5 RL 5 8x7 C211 C212 15CH 270J 5 GG CTC 0 60 27pF 5 RL 4x4 C214 C215 150F 471K 2 FC CC 50V 470pF 10 AT 3 5x2 C218 150F 101K 2 FC CC 50V 100pF 10 AT 3 5x2 C219 C220 150F 474M 5 II CC 50V 0 47...

Страница 25: ...MER STEP UP 5V WAFER CONNECTOR M102 2101 1382 0 CONNECTOR FLEXIBLE 16P M120 2102 051S 004 5P ST WAFER M301A 2102 031S 004 3 PIN ST WAFER M500A 2102 071S 004 WF T8 DE 7PIN COULOMB M505A M505B 2102 141S...

Страница 26: ...R218 R219 4701 153J 2 RCF 1 8W 15K 5 AT R223 4701 333J 2 RCF 1 8W 33K 5 AT R225 4701 105J 2 RCF 1 8W 1M 5 AT R227 4701 101J 2 RCF 1 8W 100R 5 AT R228 R229 4701 332J 2 RCF 1 8W 3 3K 5 AT R312 R314 R40...

Страница 27: ...7012 6538 0 CONN WIRE ASSY 6PIN P2 0 PC BOARD 1725 221A 0102 PCB MAIN N0A10C C521I MISCELLANEOUS 2601 2608 0601 FIBRE WASHER M2 6 0 8T C GND1 M320 4132 1061 0 SOLDER TAG M303 2704 0060 0 EMC FILTER M...

Страница 28: ...28 MECHANISM EXPLODED VIEW 27 11 3 15 28 29 22 10 1 9 24 x2 21 x4 x2 x4 23 30 31 x2 8 26 26 5 12 17 16 6 25 x2 x2 14 32 20 13 25 19 18 x2 2 7 4 WSL 2130CCM...

Страница 29: ...2 9014 0 Optical Pickup Unit 1 16 4102 9015 0 Loading PWB 1 17 4102 9016 0 Motor RF 500TB 14415 1 18 4102 9017 0 Leaf Switch 1 19 4102 9018 0 Connector pin 5P 1 20 4102 9019 0 Magnet 1 21 4102 9020 0...

Страница 30: ...30 EXPLODED VIEW M501...

Страница 31: ...1 RUBBER FOOT 0014 4151 9461 0 STRAIN RELIEF BUSHING 0018 4152 4641 1 CUSHION FOOT W RUBBER WA 0019 AH GREY CE GREY 2444 1903 0 DUO BUTTON BLACK 0019 AH TIT CE TIT 2444 1902 0 DUO BUTTON TITANIUM 002...

Страница 32: ...REW BT 2 6X8 0230 2954 3008 0000 TAPPING 3X8MM B TITE 0301 4151 9411 0 CUSHION 130X10X1MM 0304 1463 160B 1 CD TRANSIT LOCK ED 0309 3100 5101 0 PC SHEET 50X7X0 25 0311 4152 0241 0 PAD CORK 15X12X3MM GR...

Страница 33: ...1 6 1497 1432 0 EPE BAG 412 1 7 4301 7071 1 INSTRUCTION MANUAL 1 8 2103 7302 1 RCA PLUG MALE 1 9 4060 0530 0 GREENCELL 3A SIZE GP24G2 2 10 8912 0038 0 REMOTE CONTROL C521BEE 1 11 1405 2520 0 WHITE PA...

Страница 34: ...SERVICE MANUAL NAD 2003 C 521BEE COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...

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