NAD C 525BEE, Service Manual

Page 1: ...NAD C 525BEE COMPACT DISC PLAYER C 525BEE COMPACT DISC PLAYER SERVICE MANUAL...

Page 2: ...ce CATUION HGKJDHSGKJHGSJK ADVARSEL HGKJDHSGKJHGS KBVNCLKNBCVLKNLKNVLKNCVNCLVK JK ADVARSEL HGKLFH L HJMNMD HFKLJHJLDKLJLKDJLKFHJHSGMMKJHGSJK VARING HGKJD HSGKJHG KLG DJH KLH KFG LKNG LKJGF LKJGF LKJFL...

Page 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...

Page 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...

Page 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 2006 NAD C525BEE REAR PANEL...

Page 6: ...to 4 from the side 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 remo...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 13: ...13 MAIN BOARD...

Page 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 47K R219 15K R220 100K R222 0R R223 33K R224 10K R225 100K R226 1M R227 0R R228 3K3 R229 3K3 R230 10...

Page 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...

Page 16: ...R116 12K R117 12K R118 10K R119 15K C101 0 1u C102 0 1u C103 0 1u C105 100u 16V C106 100u 16V C107 100u 16V C108 100u 16V C109 100u 16V VDD1 VC VDD1 C110 100u 10V VDD1 FE TE SE SE TE FE RFAC RW ROM LD...

Page 17: ...CHASIS R383 150R C385 2200p Vin GND Vout 1 2 3 M303 DST310 C386 104K J528 C383 22u 10V C384 1000p 1 2 3 U403A 74HC00 4 5 6 U403B 74HC00 DIG_OUT DGND 12 13 11 U403D 74HC00 9 10 8 U403C 74HC00 14 7 U403...

Page 18: ...50R 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...

Page 19: ...VC DVC DVcc DVcc DVcc gm gm VC VC VOFST DVC DVC VC Vcc APC OFF Hi Z RW ROM H L Vcc IC BLOCK DIAGRAM MAIN BOARD U101 CXA2581N 1 CH1OUTF 28 GND 2 F INTER FACE REV FWD R CH1OUTR 27 CH4OUTF 3 RCIN1 26 CH4...

Page 20: ...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...

Page 21: ...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...

Page 22: ...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...

Page 23: ...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...

Page 24: ...3 4132 1071 0 TERMINAL PIN M804 EU TITANIUM GREY 4132 1071 0 TERMINAL PIN M805 CA TITANIUM GREY 4132 1071 0 TERMINAL PIN M806 4132 1071 0 TERMINAL PIN M810 EU TITANIUM GREY 1806 2170 0 EMI FILTER TLN1...

Page 25: ...T FILTER 75X20 0016 3716 3502 0 POLYESTER SHEET LEE 0017 4134 3041 0 LCD CORNER BRACKET M113 4816 043T 3 IR SENSOR KSM 603TM2 M501 2460 1340 2 LCD DISPLAY NEGATIVE M502 2450 1146 0 EL BACKLIGHT KEY AS...

Page 26: ...AT C105 C106 C107 C108 C109 C110 157D 107M 5 IUI CE 16V 100UF 20 RL 5X11 C111 157F 225M 5 IUNK CE 50V 2 2UF 20 RL 5X11 C201 C202 150F 221K 2 FC CC 50V 220pF 10 AT 3 5x C203 150F 103K 2 FC CC 50V 0 01u...

Page 27: ...0 C321 157B 106M 5 EI CE 6 3V 10uF 20 RL 3x5 C322 150F 104K 5 II CC 50V 0 1uF 10 RL 5x5 C323 C324 C325 157B 106M 5 EI CE 6 3V 10uF 20 RL 3x5 C326 C327 150F 104K 5 II CC 50V 0 1uF 10 RL 5x5 C328 C329 1...

Page 28: ...10V 1000uF 20 RL C526 150F 104K 5 II CC 50V 0 1uF 10 RL 5x5 C527 157C 477M 5 OW CE 10V 470uF 20 RL 8x12 C528 150F 104K 5 II CC 50V 0 1uF 10 RL 5x5 C529 157D 338M 5 W CE 16V 3300uF 20 RL C530 157E 106M...

Page 29: ...050 K TR SS8050 C D RLT Q104 Q105 4860 0060 5 TR SS8550 C D RL Q106 Q107 4860 0050 K TR SS8050 C D RLT Q301 Q302 Q303 Q304 4860 1780 K TR 2SD655F HFE600 1200 Q305 485C 114E 5 TR DTC114ES Q307 Q308 Q30...

Page 30: ...R 5 AT R217 4701 102J 2 RCF 1 8W 1K 5 AT R218 4701 473J 2 RCF 1 8W 47K 5 AT R219 4701 153J 2 RCF 1 8W 15K 5 AT R220 4701 104J 2 RCF 1 8W 100K 5 AT R223 4701 333J 2 RCF 1 8W 33K 5 AT R224 4701 103J 2 R...

Page 31: ...2 RCF 1 8W 150R 5 AT R381 R382 4701 472J 2 RCF 1 8W 4 7K 5 AT R383 4701 151J 2 RCF 1 8W 150R 5 AT R384 4701 750J 2 RCF 1 8W 75R 5 AT R390 R391 R392 R393 4717 221J C RMF 1 2W 220R 5 ATS R394 R403 4701...

Page 32: ...TEP UP 5V HEATSINKS U501 5400 9130 0 HEAT SINK FOR 7805 2438 U502 5400 0831 0 HEATSINK U503 U506 U507 5400 9130 0 HEAT SINK FOR 7805 2438 WIRE M101 7012 6536 0 CONN WIRE ASSY 5PIN P2 0 M105 7012 6538...

Page 33: ...Polystyrene CM Mylar CE Electrolytic CC Ceramic CTC NPO Resistors RMF Metal Film RCF Carbon Film RWR Wirewound Metal Oxide D505 4840 1140 0 DZ 1 3W 3 3V 5 AT L101 L102 L302 1801 100K M 2 COIL 10UH 10...

Page 34: ...34 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...

Page 35: ...0 Chucking Yoke 1 15 4102 9014 0 Optical Pickup Unit 1 16 4102 9015 0 Loading PWB 1 17 4102 9016 0 Motor JQ32 55K415 4 5V 10G CM 1 18 4102 9017 0 Leaf Switch 1 19 4102 9018 0 Connector pin 5P 1 20 410...

Page 36: ...5 0001 0204 0008 0010 0216 0019 0228 0227 0013 0210 U506 0226 U503 0225 M317 U501 U507 0003 0014 0101 M501 0219 0012 0219 0005 0201 0202 0219 0219 0213 0206 0211 0018 0208 0207 0225 0304 0002 0218 020...

Page 37: ...N RELIEF BUSHING 0018 4152 4641 1 CUSHION FOOT W RUBBER WA 0019 2444 1903 0 DUO BUTTON BLACK 0019 2444 1904 0 DUO BUTTON TITANIUM 0020 4132 6191 0 BRACKET MTG X FORMER 0023 4154 1931 1 DUSTPROOF CUSHI...

Page 38: ...TE BIND M3X8 0301 4153 3331 0 EVA GASKET 5 500 0309 3100 5101 0 PC SHEET 50X7X0 25 0310 1635 0110 0 TAPE HIGH TEMP W 12 0311 4152 0241 0 PAD CORK 15X12X3MM GRAY 0312 4154 1401 0 PC SHEET 14X350X0 5 TH...

Page 39: ...332 1 POLYBAG 1 6 1497 1432 0 EPE BAG 412 1 7 4301 7231 0 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 1450 25...

Page 40: ...SERVICE MANUAL NAD 2006 C 525BEE COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...