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SERVICE SAFETY PRECAUTIONS

1.      Replacing the fuses

CAUTION: 

FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE 

OF FUSE.

Reference No

Part Number

Description

FC201     *C  

5120-0050+0

FUSE T1.6A/250V 5X20

FC201     *AH  

5120-0052+0

FUSE T1.6A 250V 5X20

FC202, FC204, FC205     *C  

5120-0018+0

FUSE T1A 250V 5X20

FC202, FC204, FC205     *AH  

5120-0020+0

FU T1A 250V UL/CSA 5X20

FC203     *C  

5120-0035+0

FU T100MA 250V

FC203     *AH  

5120-0036+0

FUSE 250V 100MA T 5X20

NOTE:
     <*AH >  : USA, CANADIAN MODEL ONLY.
     <*C >  : EUROPEAN MODEL ONLY.

2.      Safety check out

(Only U.S.A. model)
Before 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 

 are critical with regard to the risk of fire and electric shock.

Replace only with parts recommended by the manufacturer.

CONTENTS

DESCRIPTION                                                                                                                          PAGE

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
REAR PANEL / FRONT PANEL  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DISASSEMBLY INSTRUCTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
WIRING DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
RF PATTERN TESTING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
IMPORTANT NOTES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12
PCB LAYOUT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-16
SCHEMATIC DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-23
IC BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-31
TROUBLESHOOTING GUIDE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
ELECTRICAL PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-44
MECHANISM EXPLODED VIEW  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
MECHANISM EXPLODED VIEW PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
EXPLODED VIEW PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
PACKING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Summary of Contents for C545BEE

Page 1: ...NAD C 545BEE COMPACT DISC PLAYER C 545BEE COMPACT DISC PLAYER SERVICE MANUAL...

Page 2: ...N The lightning flash with arrowhead within an equilateral tri angle is intended to alert the user of the presence of uninsulated dangerous voltage within the product s enclosure that may be of suffic...

Page 3: ...l Before 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 sy...

Page 4: ...5 dB ref 0dB 1kHz Dynamic range 95 dB Channel separation 90 dB De emphasis 3 73 to 5 33 dB ref 0dB 5 kHz 8 04 to 10 04 dB ref 0 dB 16 kHz Linearity 0 01 dB ref 1 kHz at 3 dB 0 02 dB ref 1 kHz at 6 dB...

Page 5: ...V TRIGGER INPUT 5 IR INPUT 6 AC MAINS INPUT 1 STANDBY 2 STANDBY LED 3 DISC TRAY 4 OPEN CLOSE 5 PLAY PAUSE 6 STOP 7 RANDOM 8 REPEAT 9 DISPLAY 10 SKIP SCAN 11 VFD 12 REMOTE SENSOR REAR PANEL FRONT 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: ...EY EYBOARD 5 4 0 3 6 EY 5 LECTROMOTOR DRIVE ND LOADER CONTROL 5 7 4 2 IN 4RIGGER IN OAXIAL OUT PTICAL OUT 2 2 OUT 5 5 30 2 5 4RANSFORMER IN INDUCTOR 6 6 6 6 6 6 4 3ERVO OADER OTOR DRIVE 5 OLERO 4 0 A...

Page 8: ...TRANSFORMER AC IN 7013 0550 0 part of the fascia assembly 7013 0510 0 7013 0530 0 part of the fascia assembly NSP NSP 7013 0540 0 7012 9020 0 7013 0520 0 7013 0570 0 7013 0560 0 7013 1280 0 7012 9301...

Page 9: ...unit into PLAY mode 2 Connect the scope to C7 Pin 81 of IC1 and DGND C32 Scope setting Coupling AC Vertical sensitivity 0 2 V div Horizontal time base 0 5 S div 3 Observe the waveform is 1 5V p p 5 a...

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: ...es count RANDOM SCAN BACK NOTES New special key functions MCU v0 4 0 Servo v4 4 Playtime counter Random Scan Forward for 5 sec Open tray Eject times counter Random Scan Back for 5 sec Counter reset Ra...

Page 13: ...4516 KEY 1725 971A 000A Issue A Section B 2009 04 08 P220 VFD101 CN102B CON101 R105 R104 R115 R109 R111 C104 REMO101 S101 S105 S102 S103 S104 S107 S108 S109 C102 Z101 JMP39 JMP134 JMP65 JMP117 JMP103...

Page 14: ...14a MAIN BOARD top side...

Page 15: ...6 H201 C277 C285 D218 C323 C324 P202 P203 R289 R241 R335 R334 R243 R302 R306 Q208 Q209 J219 P204 P205 L2 C15 R290 D209 CN103 R24 X202 L203 J220 J221 D203 U203 D206 J217 J218 D211 R262 RL202 RL201 J209...

Page 16: ...15a MAIN BOARD bottom side...

Page 17: ...6 R277 R278 R203 R314 R212 R213 R214 R215 R216 R217 R218 R219 C212 C213 R220 C215 R221 C204 C217 C218 C221 C222 C309 C311 C313 C209 IC208 R326 R349 R332 R333 R348 R327 R288 R266 R265 R272 R354 R355 R2...

Page 18: ...16a SERVO BOARD bottom side top side...

Page 19: ...R36 R58 IC8 X5 X7 D20 Q15 Q16 Q4 R17 R185 R198 R199 R20 R202 R38 R41 R49 R61 R63 X8 R43 R44 R79 R45 R47 R50 R51 R52 R53 R54 SW1 R59 R67 R100 Q5 Q6 C6 C83 C84 C87 C88 R35 R7 R101 R102 R103 R46 R66 R69...

Page 20: ...LS GRZQ 5 6 6WRS 5 5 6 5DQGRP 5 6 2SHQ 5 1 9 26 26 2 567 6 1 9 5 1 9 X 9 9 4 65 5 9 1 21 21 00 6 3OD 9 9 9 9 9 1 1 5 5 5 9 5 5 5 5 S 9 5 5 5 5 5 5 S 9 S 9 S 9 4 4 5 5 5 470 1 2 3 4 CN102A1 D102 ORANGE...

Page 21: ...5 5 X Y X 9 1 1 1 1 6 6 3 9 5 5 5 5 5 X Y X 9 2 7 3 6 1 9 27 1 1 96 27 95 1 8 7 6 X Y X Y 5 N 5 5 5 5 5 5 5 5 5 5 X 9 5 5 5 5 5 5 5 5 5 5 X 9 21 21 B 287 1 1 287 5 5 5 5 5 5 5 5 9 9 1 7 1 38 9 1 5 02...

Page 22: ...8 23 8 23 8 23 8 23 5 5 5 5 5 5 3 3 3 3 3 5 5 5 5 5 5 5 5 5 5 5 0 5 5 5 5 5 5 5 0 5 5 5 5 5 5 4 6 4 6 5 5 5 5 4 6 4 6 5 5 5 5 X Y X 9 5 5 5 5 1 1 5 5 5 X 9 X 9 5 287 1 1 287 5 4 1 4 1 5 5 5 5 5 5 5 5...

Page 23: ...5 5 5 5 5 5 3 5 5 X 9 5 RD LDO 5 5 4 VF 1 5 N 5B 1B 9 1 9 1 5 8 5 X 9 4 3 5 1 38B 9 38B 9 1 5 027 5 027 75 5 38B 9 1 1 9 63 1 1 9 087 5 1 38B 9 IR TRIGGER IN NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UN...

Page 24: ...7 8 X 9 9 9 1 1 X 9 9 4 6 5 5 6 2 0 5 X 9 5 5 1 4 VF 32 5B 25 X 9 5 X 9 X 9 9 3B 67 9 3B 67 7 9 7 9 7 P 9 7 9 7 9 1 1 287 1 1 287 7 67 B75 16 250 5 9 9 9 X 9 3 9 3 1 B 3 3 3 287 1 8 0 5 5 5 1 X 9 X 9...

Page 25: ...22 NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UNLESS OTHERWISE SPECIFIED 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED SERVO...

Page 26: ...23 NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UNLESS OTHERWISE SPECIFIED 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED CONTROL MICRO...

Page 27: ...RESET OUT IN GND MAIN BOARD U3 QUAD 2INPUT EXCLUSIVE 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND VCC 4B 4A 4Y 3B 3A 3Y MAIN BOARD U201 SN74HCU04D SOP 1 1A 14 VAC 2 1Y 13 6A 3 2A 12 6Y 4 2Y...

Page 28: ...25 MAIN BOARD U202 TA7291SG 5M 22240239 MAIN BOARD U204 NJM7912FA ZZZB OUT IN GND MAIN BOARD U208 REG LM1086IT ADJ MAIN BOARD IC204 IC208 LM1117S 3 3 SERVO BOARD IC77 LM1117S 3 3...

Page 29: ...24C1024 SOIC8 MAIN BOARD IC209 REGULATOR TA48015F OUT GND IN 1 2 3 1 IN Overcurrent limiting circuit 2 OUT 3 GND Overheating detection circuit Reference voltage circuit Constant current circuit SERVO...

Page 30: ...51 52 53 54 55 56 57 58 59 60 61 62 63 64 P65 AIN5 STOP1 P67 AIN7 STOP3 P70 AIN8 P72 AIN10 P71 AIN9 P74 AIN12 P73 AIN11 P66 AIN6 STOP2 P14 TC4 PDO4 PWM4 PPG4 P13 TC3 PDO3 PWM3 P12 PPG P11 DVO P10 TC1...

Page 31: ...28 SERVO BOARD U2 MOTOR DRV W 3 3V REG...

Page 32: ...29 SERVO BOARD IC1 DSP TC94A73MFG...

Page 33: ...DVCC3A 5 X1 X2 H OSC Clock Gear PLL L OSC PortG PG0 KI0 PG1 KI1 PG2 KI2 PG3 KI3 Key on Wake up PF0 TXD0 PF1 RXD0 PF2 SCLK0 0 CTS CLK TB0OUT0 PF3 TXD1 SPDO PF4 RXD1 SPDI PF5 SCLK1 1 CTS SPCLK PortF Se...

Page 34: ...1 IN Over current protection 2 OUT 3 GND Thermal shutdown circuit Reference voltage circuit Constant current circuit OUT GND IN 1 2 3 SERVO BOARD IC8 REGULATOR TA4805F SMD SERVO BOARD IC10 MEMORY EPR...

Page 35: ...32 TROUBLESHOOTING GUIDE...

Page 36: ...DAN202K Z101 4837 5B61 2 DZ 1 2W 5 45 5 73 ROHM WAFER SOCKET CN102B 2102 040R J01 WAFER 4P P2 0 90DEG TRANSISTOR Q102 485C 1140 3 TR DTC114YKA 2216470R2 Q3 Q4 4860 0640 3 TR 3904 HFE 100 300 SM RESIST...

Page 37: ...Y C AH SVC C54516 MAIN PCB ASSY MAIN C C SVC C54526 MAIN PCB ASSY MAIN EU PC BOARD H 1725 971A 0002 A PCB MAIN KEY SWITCH S S CAPACITOR C10 C11 153F 224J 5 NLM CM 50V 0 22UF 5 RL C13 C14 153H 224K 9 N...

Page 38: ...0V 0 1uF 10 C240 157D 227M K OME CE 16V 220U 20 RLT 8X7 C241 C242 150F 104K P AC CC 50V 0 1uF 10 C243 157E 478M 5 5 TI CE 25V 4700U 20 RL C244 150F 104K P AC CC 50V 0 1uF 10 C245 157E 108M K S9E CE 25...

Page 39: ...5X11 C311 150F 104K P AC CC 50V 0 1uF 10 C312 157D 107M K IUI CE 16V 100UF 20 RLT C313 150F 104K P AC CC 50V 0 1uF 10 C314 157D 477M K OVE CE 16V 470U 20 RLT C315 150F 103J P AC CC 50V 0 01U 5 0603 C...

Page 40: ...Z 32 768KHZ RELAY RL202 4500 0762 0 RELAY 5VDC 10A SPDT TRANSISTOR Q1 Q2 4860 0640 3 TR 3904 HFE 100 300 SM Q205 4860 0700 K TR 2SC1815 GR TE2 F T R Q206 4851 4570 5 TR PNP 2SB1457 TO 92 RL Q207 4860...

Page 41: ...16W 470R 1 0603 R219 4723 121A P R RMG 1 16W 120R 1 0603 R220 4723 100A P R RMG 1 16W 10R 1 0603 R222 4723 103A P R RMG 1 16W 10K 1 0603 R241 R243 4711 102A 2 RMF 1 8W 1K 1 AT R244 4723 221A P RMG 1...

Page 42: ...RMF 1 8W 4 7K 1 AT R336 R337 4723 242A P RMG 1 16W 2 4K 1 0603 R338 4723 103A P R RMG 1 16W 10K 1 0603 R339 4723 622A P RMG 1 16W 6 2K 1 R340 4723 470A P RMG 1 16W 47R 1 0603 R341 4723 622A P RMG 1 1...

Page 43: ...X50 H202 H203 H204 H205 H206 5400 9130 0 HEAT SINK FOR 7805 2438 H207 5400 1702 0 HEATSINK 23 5X17X50 SCREW Screw001 2954 3008 0000 SCREW B TITE BIND M3X8 Screw002 2954 2606 0000 SCREWS BT 2 6X6 MISCE...

Page 44: ...CELLANEOUS CN102A 7013 0530 0 WIRE CONN 4P P2 0 28 SERVO ASSY A SVC C54516 SERVO PCB ASSY SERVO PC BOARD E 1725 970A 0001 PCB SERVO BOARD D S FR 4 CAPACITOR C1 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19...

Page 45: ...C 50V 10P 5 0603 C7 150F 682K P AC CC 50V 6800P 10 C70 150F 100J P AC CC 50V 10P 5 0603 C71 157D 476M K IU CE 16V 47U 20 RLT 5X11 C73 C74 C75 150F 104K P AC CC 50V 0 1uF 10 C76 C77 150F 220K P AC CC 5...

Page 46: ...4723 103A P R RMG 1 16W 10K 1 0603 R10 R37 R38 4723 104A P R RMG 1 16W 100K 1 0603 R15 4723 223A P R RMG 1 16W 22K 1 0603 R73 4723 471A P R RMG 1 16W 470R 1 0603 R100 R101 R102 R103 R46 R5 R96 R97 R9...

Page 47: ...3 562A P RMG 1 16W 5 6K 1 IC IC1 3132 6711 0 20 IC DSP TC94A73MFG IC10 3132 6761 0 IC MEMORY EPROM IC3 3132 6740 0 IC REGULATOR TA48015F IC5 3132 7331 0 IC MCU TMP92FD28A IC77 3132 2821 0 IC LM1117S 3...

Page 48: ...45 MECHANISM EXPLODED VIEW DA11VZ...

Page 49: ...3 ASSY MOTOR SLED 1 4 CHASSIS 1 5 COVER REAR 1 6 SAHFT SLIDE 1 7 GEAR MIDDLE 1 8 GEAR DRIVE 1 9 SWITCH LEAF 1 10 CONNECTOR 6P 1 21 MOTOR 1 31 SPECIAL SCREW M2 0uP 0 4 32 SPECIAL SCREW M2 6u6 0 1 MECHA...

Page 50: ...0218 0102 0104 0215 0215 0302 0302 0302 0302 0208 0208 0208 0208 0208 0208 0210 0210 0210 0210 0209 0209 0212 0108 0108 0108 0222 0303 0106 0107 0202 0204 0206 0207 0207 0221 0221 0220 0220 B C D A 01...

Page 51: ...02 0 CD DOOR 1 0203 Grey 1468 4001 0 CD DOOR 1 0204 SVC C54516 MECH DECK CD CDM DA11VZ 1 SVC C56516 MECH 0206 4135 8331 1 STRIP TOP 1 0207 4135 8351 0 BRACKET CD 2 0208 2904 3005 0000 SCREW M3X5 10 02...

Page 52: ...D AC GS 250V 2 5A C VERSION 1 13 3030 1057 2 SAFETY INSTRUCTION SHEET AH VERSION ONLY 1 14 3030 1225 1 WARRANTY CARD AH VERSION ONLY 1 15 1497 5232 0 POLYBAG 1 16 3050 4511 1 QUICK START GUIDE SHEET 1...

Page 53: ...SERVICE MANUAL NAD 2012 C 545BEE COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...

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