NAD C541i, Service Manual

Page 1: ...NAD C 541i COMPACT DISC PLAYER C 541iCOMPACT DISC PLAYER SERVICE MANUAL...

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

Page 3: ...ore returning the product to 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...

Page 4: ...Ratio A Weight 100 dB De Emphasis on 100 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: ...OUT 4 IR INPUT 5 TRIGGER IN 6 TRIGGER SWITCH 7 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 STAN...

Page 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...

Page 7: ...11 U101 CX2581 RF AMP RFAC FE SETE RFDC SRDR SFDR FRDR FFDR TRDR TFDR SPDR LOADING MOTOR DISCO DISW LOADING MOTOR LIMIT SWITCH SPINDLE MOTOR SLED MOTOR PU IN LIMIT SWITCH PICK UP DISC M113 REMOTE SENS...

Page 8: ...8 WIRING DIAGRAM M102 16PIN M301A M505A M506A M120A M105A 6PIN CD MECHANISM LIVE BOARD DISPLAY BOARD KEY BOARD MAIN BOARD LED BOARD M101 5PIN BROWN BLACK NEUTRAL LIVE RED M502 TRANSFORMER...

Page 9: ...d set 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...

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 objecti...

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: ...14 13 MAIN BOARD...

Page 14: ...P16 42 P15 43 P14 44 P13 45 P12 46 P11 47 P10 48 P07FLD15 49 P06 50 P05 51 P04 52 P03 53 P02 54 P01 55 P00 56 P27 FLD7 57 P26 58 P25 59 P24 60 P23 61 P22 62 P21 FLD1 63 P20 64 P57 65 P56 66 P55 67 P54...

Page 15: ...R220 100K R221 OPEN R222 0 R223 33K R224 10K R225 100K R226 1M R227 100 R228 3K3 R229 3K3 R230 10K C207 0 1u C208 0 1u C209 1500p C210 0 1u C211 27p C212 27p C214 470p C215 470p C213 0 1u XLAT DATA S...

Page 16: ...K R119 15K C101 0 1u C102 0 1u C105 100u 10V C106 100u 10V C107 100u 10V C108 100u 10V C109 100u 10V VDD1 VC VDD1 C110 100u 10V VDD1 TP101 FE TE SE SE TE FE RFAC RW ROM LDOFF TP105 TP106 TP107 RFDC FC...

Page 17: ...R409 100R P24 P25 P26 P27 VCC X2 X1 P31 P32 P33 P00 P01 P02 GND P20 P21 P22 P23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 U402 NADLINE_001 R383 150R C385 2200p Vin GND Vout 1 2 3 M303 DST310 C386...

Page 18: ...50V R520 470R Q502 2SA950Y C521 22u 50V D510 22V 1 2W C522 47u 35V D511 5V6 1 2W R523 47K R518 470R R517 470R F2 F1 VP C502 104K C503 104K D501 1N4001 D502 1N4001 C506 1000u 25V Vin GND Vout 1 2 3 U5...

Page 19: ...C LM393 C606 104K C609 100u 10V 1 2 3 4 5 J602A RMO Q602 2SC1923 Q603 2SC1923 R622 10K R623 10K R614 202K R615 10K C607 100P DGND REM_IN D 5V IR DGND R603 10K R609 10K R631B 220 R631A 220 REMOTE NOTE...

Page 20: ...21 CEI 20 CE 13 DVcc 3 EQ_IN 4 AC_SUM VC VC DVC DVcc DVcc DVcc gm gm VC VC VOFST DVC DVC VC Vcc APC OFF Hi Z RW ROM H L Vcc MAIN BOARD U202 BA6392FP 1 CH1OUTF 28 GND 2 F INTER FACE REV FWD R CH1OUTR 2...

Page 21: ...ENERATOR 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 22: ...FLD28 70 P52 SCLK11 35 P35 FLD29 71 P51 SOUT1 34 P36 FLD30 72 P50 SIN1 33 P37 FLD31 73 AVSS 32 P80 FLD32 74 VREF 31 P81 FLD33 75 P6t SSTB1 AN11 30 P82 FLD34 76 P64 INT4 SBUSY1 AN10 29 P83 FLD35 77 P63...

Page 23: ...BCKIN 4 25 MUTE CLKO 5 24 MODE XTI 6 23 CS 1WO XTO 7 PCM1732U 22 RST DGND 8 21 20 ZERO VDD 9 GAIN HDCD 10 19 VCC2L VCC2R 11 18 AGND2L AGND2R 12 17 EXTL EXTR 13 16 VOUTL VOUTR 14 15 VCC1 AGND1 HDCD Hi...

Page 24: ...7 6 5 MAIN BOARD U305 U306 OPA2604 A1 B1 Y1 A2 B2 Y2 GND VCC B4 A4 Y4 B3 A3 Y3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 MAIN BOARD U403 TC74HC00AP OUT IN GND MAIN BOARD U501 U506 U507 78XX 1 OUTPUT A 2 A INVE...

Page 25: ...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 26: ...CONNECTOR WIRE M120A 7705 1120 2004 CONN ASSY 5P P2 5 L 120 SWITCHES M101 M110 5200 3538 0 SWITCH TACT SKHHBY 7MM RESISTORS R301 R306 R307 4701 102J C RCF 1 8W 1K 5 ATS R302 R303 4701 622J C RCF 1 8W...

Page 27: ...0 RL 5X11 C111 157F 225M 5 IUNK CE 50V 2 2 F 20 RL 5X11 NP C201 C204 150F 221K 2 FC CC 50V 220pF 10 AT 3 5x2 C203 C216 C221 150F 103K 2 FC CC 50V 0 01 F 10 AT 3 5x2 C206 150F 331K 2 FC CC 50V 330pF 10...

Page 28: ...L 5x7 C501 C505 C514 C515 C526 150F 104K 5 II CC 50V 0 1 F 10 RL 5x5 C506 C507 157E 108M 5 5 F3 CE 25V 1000 F 20 RL 16x31 5 ROA ELNA C508 C533 157C 108M 5 S5K CE 10V 1000 F 20 RL 10x16 C510 157F 107M...

Page 29: ...01 1382 0 CONNECTOR FLEXIBLE 16P P 1MM M120B 2102 051S 004 5P ST WAFER P 2 5 M301B 2102 031S 004 3 PIN ST WAFER P 2 5 M502 2101 1811 0 8P PIN CONNECTOR P 3 96 M505B 2102 121S 004 12P ST WAFER P 2 5 M5...

Page 30: ...2 R220 R225 4711 104A 2 RMF 100K 1 8W 1 AT R213 R224 R230 4711 103A 2 RMF 1 8W 10K 1 AT R214 4711 822A 2 RMF 1 8W 8 2K 1 AT R215 4701 4R7J C RCF 1 8W 4 7R 5 ATS R217 4711 102A 2 RMF 1 8W 1K 1 AT R218...

Page 31: ...9 R614 R615 R622 R623 4711 103A 2 RMF 1 8W 10K 1 AT R611 4711 104A 2 RMF 100K 1 8W 1 AT R614 4711 222A 2 RMF 1 8W 2 2K 1 AT R631A R631B 4717 221J C RMF 1 2W 220R 5 ATS ICS U101 3131 8030 0 IC CXA2581N...

Page 32: ...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 33: ...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 I...

Page 34: ...36 EXPLODED VIEW...

Page 35: ...SA 1 0101 C 7009 3110 0 AC CORD SEMKO 1 0201 2900 4006 3010 M4X0 5PX6MM W FLAT WASHER 8 0202 2954 3008 3000 T3X8MM SELF TAPPING 12 0205 2954 3008 0000 TAPPING 3X8MM B TITE YEL ZN 17 0208 2842 3367 0 M...

Page 36: ...S 2 40 2103 7302 1 RCA CABLE 1 41 8912 0005 0 REMOTE CONTROL HANDDSET 1 42 1497 1302 0 REMOTE CONTROL POLYBAG 1 43 4301 4105 0 INSTRUCTION MANUAL 1 44 1497 1062 0 MANUAL POLYBAG 1 45 1435 8400 0 2 CAR...

Page 37: ...SERVICE MANUAL NAD 2002 C 541i COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...