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NAD C 546BEE, Service Manual

The NAD C 546BEE is a high-performance CD player with exceptional sound quality. Unlock the full potential of your device by downloading the Owner's Manual for free from manualshive.com. This comprehensive manual includes step-by-step instructions on how to optimize your listening experience with this top-of-the-line CD player.

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- 24 -

SERVO BOARD

bottom side

top side

1
3

4

6

SL

T-

SL

T+

FM

-

FM

+

D

M

-

D

M

+

FE-

TE-

TE+

FE+

PD

VR

LD

GND

F

C

B

A

D

E

SVCC

VREF

T5CJ3-7D13

TC94A93FG

CL

-S

W

O

P/

CL

-C

O

M

O

P-

SW

LM

-C

L

LL

M

-O

P

G

N

D

U

SB

-

U

SB

-

U

SB

-

D

ET

U

PD

AT

E

PO

W

ER

A

M

1

M

CU

-

TE

ST

U

SB

-

RS

T

M

CU

-

RS

T

U

SB

-

RX

U

SB

-

TX

VCC

D-
D+

DGND

PC

B-

C5

46

26

+

SE

RV

O

17

25

-9

70

B+

00

0B

Q701

Q71

Q

2

C707

C708

C7

12

C715

C7

17

C7

34

C7

35

C7

43

C7

44

C7

45

C7

46

C27

C2

8

C2

9

C5

2

C5

6

C6

C7

C701

C702

C7

05

C7

06

C710

C7

13

C714

C7

16

C7

19

C721

C7

23

C7

24

C728

C731

C733

C737

C738

C7

40

C7

42

C756

C7

60

C7

61

C7

65

C7

68

C7

70

C771

C772

C774

C775

C7

77

C7

81

C7

83

C757

C7

91

C7

11

C7

18

C726 C727

C763 C764

C703

C704

C720

C722

C725

C730

C732

C741

C766

C767

C769

C773

C776

C7

78

C779

C7

80

C782

C25

C51

C76

C60

C75

C739

C7

85

C26

C8

C758

C759

C762

C53

C5

4

C5

9

C7

4

C7

7

C78

D

5

D

6

L703

L7

05

L7

06

L707

L708

L709

CN

70

1

L10

L11

U11

IC3

CN

08

JR0

JR

70

1

R1

R1

0

R1

1

R1

6

R1

9

R2

R23

R3

R4

R4

6

R5

0

R5

2

R5

3

R5

5

R5

6

R5

7

R6

3

R6

4

R6

5

R6

6

R67

R7

R701

R7

02

R703

R704

R7

05

R7

06

R7

07

R7

08

R7

09

R7

10

R7

11

R7

12

R7

13

R7

14

R7

15

R7

16

R717

R7

18

R7

19

R7

20

R7

21

R7

22

R7

23

R7

24

R7

25

R727

R728

R729

R730

R731

R732

R733

R7

34

R735 R736

R737

R738

R7

39

R7

40

R7

41

R7

42

R7

43

R7

44

R7

45

R7

46

R7

47

R7

48

R7

49

R750 R751

R752

R753

R756

R7

57

R7

58

R7

59

R7

60

R7

61

R7

62

R7

63

R7

64

R7

65

R7

66

R7

67

R7

68

R7

69

R7

70

R7

71

R7

72

R7

73

R774

R775

R776

R777

R778

R779

R780

R781

R782

R7

83

R8

R823

R824

R825

R826

R827

R8

28

R829

R5

1

R54

R2

0

R21

R22

R48

R4

9

R13

R14

CN4

IC707

IC4

IC

6

IC701

IC703

X702

R1

5

R3

0

C7

29

C7

36

X701

R3

1

R3

2

R33

R34

R35

R36

C7

84

C2

C5

C1

J2

15

IC

1

Q220

C3

C4

R17

R18

R25

R27

R5

R6

R9

CN

1B

Q1

R12

R24

R26

R830

R2

8

R2

9

R37

JP

10

8

1V5

8V

BCLK

DATA

GND

LRCLK

MCLK

SPDIF

J2

20

J1

Summary of Contents for C 546BEE

Page 1: ...NAD C 546BEE COMPACT DISC PLAYER C 546BEE 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: ...sed 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 manuf...

Page 4: ...1 kHz at 6 dB 0 02 dB ref 0dB 1 kHz at 10 dB 0 05 dB ref 0dB 1 kHz at 20 dB 0 15 dB ref 0dB 1 kHz at 60 dB Standby power 0 5W USB Output level 2 2 0 2 V Frequency response 1 dB ref 0 dB 20 Hz 16 kHz...

Page 5: ...IN 4 IR IN 5 AC MAINS INPUT 1 STANDBY BUTTON 2 STANDBY LED 3 DISC TRAY 4 STOP OPEN 5 SOURCE 6 RANDOM 7 DISPLAY 8 SCAN 9 USB INPUT 10 PLAY PAUSE SKIP 11 VFD 12 REMOTE SENSOR REAR PANEL FRONT PANEL REA...

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: ...And loader control U209 DAC WM8740 TA7291 IR in Trigger in Coaxial out Optical out RCA R L out U201 74HCU04 SPDIF IR U3 74HC86 Transformer AC in EMI inductor 12V 12V 28V D 5V 5V 8V 7805 7809 7812 791...

Page 8: ...4 JMP145 JMP146 JMP147 JMP148 JMP151 JMP152 JMP140 JMP79 JMP153 JMP44 JMP134 JMP158 D16 JMP155 D17 R33 D2 JMP150 F101 JMP156 JMP157 JMP159 JMP163 JMP164 D5 T100 AC1 AC2 28V 5V GND KEY1 KEY0 V_R2 VR_1...

Page 9: ...see FIG 1 FIG 1 a FIG 1 b Poor eye pattern FIG 1 C Good eye pattern 3T 4T 5T 11T TC94A93FG PCB C54626 SERVO 1725 970B 000B Q701 C707 C708 C712 C715 C717 C745 C27 C28 C29 C52 C56 C701 C702 C705 C706 C7...

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: ...Item Content Multi key 1 MCU Ver Display 2 Servo Ver Display 3 Factory Test Display K_PANEL_PLAY 4 TRAY COUNT RANDOM 5 PLAY TIME RANDOM 6 AUTOSTANDBY ENABLE DISABLE RANDOM K_PANEL_PLAY 7 CLEAR ALL So...

Page 13: ...cedure 1 Power on C546BEE Long press the panel key Display fast backward not at reading or playing status is better The VFD will display the MCU software version such as MCU Ver 0 4 4 as below 2 Press...

Page 14: ...the FFC connector at the rear panel shown as below picture 2 2 Software setup Password setting is different for different version and other setting is the same as describe below 2 2 1 Upgrade from Ver...

Page 15: ...15 2 2 1 2 Browse to the file for upgrade...

Page 16: ...16 2 2 1 3 Setup communication Port and data rate 2 2 1 4 Setup password Shown as below...

Page 17: ...s to another later version 2 2 2 1 Setup Password Shown as below Click Auto Search from Password Log File then click Search from file shown as below Then a pop up window would require you choose the f...

Page 18: ...Click OK and it will show as below 2 3 Upgrade procedure 1 Open Flash Programmer and plug in C546BEE the buttons will be illuminated If the buttons are still grey try to unplug and plug in the unit ag...

Page 19: ...g finishes it will pop up the below window Click No to finish the upgrading 4 User can press the panel keys to check the MCU version as below for different software version Source fast backward Ver 0...

Page 20: ...g status is better The VFD will display the servo software version such as Servo Ver 0 7 as below 2 Press the panel Play key while displaying the servo software version then the VFD will display Updt...

Page 21: ...JMP110 JMP109 JMP97 JMP107 JMP112 JMP104 JMP95 JMP101 JMP89 JMP23 S105 S103 S104 S107 S108 S109 S1 S2 JP110 CON101 JMP154 JMP65 JMP160 JMP116 JMP96 JMP161 JMP162 JMP118 JMP103 JMP149 R106 R103 C107 C1...

Page 22: ...L203 J220 D203 U203 D206 J217 J218 D211 R262 RL202 RL201 J209 J210 FC201 FC202 FC203 FC204 FC205 U210 U211 AC201 U202 IC202 IC203 U205 U206 U207 J214 C210 C211 CON201 J201 J202 J203 J204 J207 RCA201...

Page 23: ...277 R278 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 R286 R291 R292 R293...

Page 24: ...C8 C758 C759 C762 C53 C54 C59 C74 C77 C78 D5 D6 L703 L705 L706 L707 L708 L709 CN701 L10 L11 U11 IC3 CN08 JR0 JR701 R1 R10 R11 R16 R19 R2 R23 R3 R4 R46 R50 R52 R53 R55 R56 R57 R63 R64 R65 R66 R67 R7 R7...

Page 25: ...O RSTB CSB CLKB DIN VDD GR1 NC 1G F2 F2 VFD101 C102 10uF 16V Z101 5 6V Q102 KSR1105 R115 47K C101 104 50V Q101 3904 R101 4 7K R102 750R R116 100R 1 2 3 4 CN102A 1 2 3 4 CN102B 1 2 3 4 5 6 7 8 9 10 11...

Page 26: ...4 4 7K R294 4 7K C315 103 C316 100u 16v C274 104 1 2 3 J220 C309 104 C310 100uF 10V 1 I 2 O 3 G IC209 TA48015F 1 IN2 2 VCC 3 OT2 4 NC 5 GND 6 VS 7 OT1 8 VRF 9 IN1 U202 TA7291S C216 100u 16v C217 104 C...

Page 27: ...02 104 L204 600R 100MHz 0805 L205 600R 100MHz 0805 R314 22R R315 22R R316 22R R317 22R R318 10K R319 100K R320 100K R321 10K 2 3 1 U210 A OPA2134 6 5 7 U210 B OPA2134 8 4 U210 C OPA2134 2 3 1 U211 A O...

Page 28: ...R R217 120R R218 470R R219 120R C212 22P C213 104 R220 10R 0805 C214 1uF 25V 1 2 RCA201 Coaxial C215 104 1 2 3 4 5 6 7 8 RL201 RELAY1 Q201 2sc1815 D202 IN4148 R221 2 2k 1 2 3 4 J214 IR_IN_JACK 1 VIN 2...

Page 29: ...R262 RES 1 2K OHM 1 16W R263 47K C255 47uF 50V C256 NC 1 2 3 4 5 RL202 RELAY K A D212 1N4148 Q207 S8050 1 2 AC201 POWER_CORD C257 47uF 50V 1 2 3 J209 VH3P_3 96 JST 1 2 3 4 5 6 7 8 9 10 11 J210 VH11P_3...

Page 30: ...735 680p R737 10K R738 10K C730 100 10 C732 100 10 C733 0 1uF C731 0 1uF R735 22 R736 22 C784 0 1uF R718 100 R717 100 R731 0 R729 0 R728 0 R727 0 R767 100 R766 100 R765 0 R763 10K R760 100 X701 9M Hz...

Page 31: ...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 11 5A 5 3A 10...

Page 32: ...1 3 4 4 V 18 k Error flag armed EMI Jittering VCC Startup Source Drain Flip Flop Dmax 65 Reset Reset High when VCC 3 V Driver Set Q VCC 8 Rsense 250 ns L E B 7 5 Soft Start Startup Sequence Overload...

Page 33: ...OIC8 START STOP LOGIC VCC GND WP SCL SDA A2 A1 A0 SERIAL CONTROL LOGIC EN H V PUMP TIMING EEPROM DATA RECOVERY SERIAL MUX X DEC DOUT ACK LOGIC COMP LOAD INC DATA WORD ADDR COUNTER Y DEC R W DOUT DIN L...

Page 34: ...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 35: ...ce voltage circuit Constant current circuit MAIN BOARD IC204 IC208 LM1117S 3 3 Current Limit ICL I TL Thermal Limit VREF AMP VOUT VIN ADJ GND IADJ 50 A 1 25V 1 3 2 ADJ GND V OUT VIN SERVO BOARD IC6 RE...

Page 36: ...Y RVOUT1 RVOUT2 X1 X2 MODE0 4 RESET TEST RESET T5CJ3 7D13 LQFP100 TOPVIEW 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 USB_START SBSY INNER DVCC3 TEST TEST TEST DVSS DVCC1B D REQ RVOU...

Page 37: ...DQ2 DQ9 DQ1 DQ8 DQ0 OE VSS CE A0 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 Standard Pinout Top View Die Up SST39LF VF200A A15 A14 A13 A12 A11 A10 A9 A8 NC NC WE NC NC NC...

Page 38: ...heck focus signal output NO YES IC3 DEFECTIVE Check connector or pickup YES Check laser circuit correct YES CONNECTION OR PICKUP DEFECTIVE YES RF signal output YES FEED MOTOR OR WIRING DEFECTIVE NO IC...

Page 39: ...10 RBT C15 157D 106M K IU CE 16V 10U 20 RLT 5X11 C16 157Q 476M 5 LUA CE 35V 47U 20 RL 6 5X11 C17 8910 0091 0 CC 400V 0 01UF 20 RL C18 157D 227M K OME CE 16V 220U 20 RLT 8X7 C201 153F 152J K JM CM 50V...

Page 40: ...L C245 157E 108M K S9E CE 25V 1000U 20 RLT C246 150F 104K P AC CC 50V 0 1uF 10 C247 157E 477M K OV CE 25V 470U 20 RLT C248 150F 104K P AC CC 50V 0 1uF 10 C249 157D 227M K OME CE 16V 220U 20 RLT 8X7 C2...

Page 41: ...0V 0 1uF 10 C323 C324 157F 105M K GME CE 50V 1U 20 RLT 4X7 DIODE D105 D107 4840 8530 2 RECTIFIER UF4006 T GI AT D108 4801 A600 2 DIODE SCHOTTKY 60V 2A D11 4804 1480 C DIODE 1N4148M A WA ATS D12 4804 0...

Page 42: ...2 54 ST 6MM JACK SOCKET J214 2113 2036 0 PHONE JACK D315 BK RCA202 2113 3203 0 SOCKET RCA COAXAL COIL L102 1807 273J PS COIL 27MH 5 8 3X9 7 L103 L203 1807 100Q P K FERRITE COIL 10UH 15 L2 1808 0680 0...

Page 43: ...0603 R222 4723 103A P R RMG 1 16W 10K 1 0603 R23 4711 101A 2 RMF 1 8W 100R 1 AT R24 4711 103A 2 RMF 1 8W 10K 1 AT R241 R243 4711 102A 2 RMF 1 8W 1K 1 AT R244 4723 221A P RMG 1 16W 220R 1 R245 4723 15...

Page 44: ...R302 4711 220A 2 RMF 1 8W 22R 1 AT R303 R304 R305 4723 472A P RMG 1 16W 4 7K 1 R306 4711 472A 2 RMF 1 8W 4 7K 1 AT R307 4723 101A P RMG 1 16W 100R 1 0603 R308 4723 104A P R RMG 1 16W 100K 1 0603 R31...

Page 45: ...03 3130 2520 2 IC NJM7812FA ZZZB IC204 IC208 3132 2821 0 IC LM1117S 3 3 IC206 3132 6791 0 20 IC MCU TMP86FS49AUG IC207 3132 1441 1 IC MEMORY EEPROM IC209 3132 6740 0 IC REGULATOR TA48015F U1 3131 3970...

Page 46: ...J216 2113 2036 1 JACK PHONE 4P RED D315 J219 2101 3256 0 CONNECTOR FFC 6P P1 0 P202 P203 P204 P205 4132 1061 0 SOLDER TAG RCA201 2113 2021 2 JACK RCA 1P ORANGE T100 1806 4170 0008 TRANSFORMER SW 230V...

Page 47: ...R115 4711 473A 2 RMF 1 8W 47K 1 AT R12 R13 R14 4720 330A J RMG 1 10W 33R 1 0805 R156 R157 4723 472A P RMG 1 16W 4 7K 1 R158 R159 4723 220A P RMG 1 16W 22R 1 0603 R18 R19 4723 472A P RMG 1 16W 4 7K 1...

Page 48: ...A J RMG 1 10W 4 7K 1 0805 R102 4720 751A J RMG 1 10W 750R 1 0805 R116 4723 101A P RMG 1 16W 100R 1 0603 MISCELLANEOUS CN102A 7013 0530 0 WIRE CONN 4P P2 0 28 D4 3700 2858 AB LED SP 5X5XL0 5 AM BU S3 5...

Page 49: ...RLT 5X11 C7 C701 C702 150F 104K P AC CC 50V 0 1uF 10 C703 C704 157C 107M H IUE CE 10V 100U 20 RLR 5X11 C705 C706 150F 104K P AC CC 50V 0 1uF 10 C707 150F 222K P AC CC 50V 2200pF 10 0603 0 C708 150F 1...

Page 50: ...764 150F 220K P AC CC 50V 22pF 10 C765 150F 104K P AC CC 50V 0 1uF 10 C766 C767 157C 107M H IUE CE 10V 100U 20 RLR 5X11 C768 150F 104K P AC CC 50V 0 1uF 10 C769 157C 107M H IUE CE 10V 100U 20 RLR 5X11...

Page 51: ...A P R RMG 1 16W 10K 1 0603 R19 4723 270A P RMG 1 16W 27R 1 0603 R23 4723 330J P R RMG 1 16W 33R 5 0603 R24 4723 103A P R RMG 1 16W 10K 1 0603 R25 4723 471A P R RMG 1 16W 470R 1 0603 R26 4723 152A P R...

Page 52: ...749 4723 000J P R RMG 1 16W 0R 5 0603 R750 R751 R752 4723 102A P RMG 1 16W 1K 1 R753 4723 822A P RMG 1 16W 8 2K 1 R756 4723 103A P R RMG 1 16W 10K 1 0603 R757 R758 R759 R760 R761 R762 4723 101A P RMG...

Page 53: ...LB 3000 9812 0 BLANK LABEL 5X10 IC707 S 3005 5361 0 RIBBON 60MMX300M BLACK L10 L11 L703 L705 L709 1803 0066 0 LL1608 FS47NJ MULTILAYER NOTE The components identified by mark are critical for risk of f...

Page 54: ...54 TRAVERSE EXPLODED VIEW DA11VZ...

Page 55: ...101VZ 1 2 ASSY MOTOR SPINDLE 1 3 ASSY MOTOR SLED 1 4 CHASSIS 1 5 COVER GEAR 1 6 SAHT 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...

Page 56: ...0208 0214 0214 0216 0216 0210 0210 0217 0217 0209 0209 0212 0108 0108 0108 0211 0222 0303 0106 0107 0202 0204 0205 0206 0207 0207 0221 0220 B F A 0225 0225 0224 0224 0223 0223 0223 0223 0223 Knob 011...

Page 57: ...2S 2 CHASSIS MAIN SECC 1 AH 1402 352U 2 0202 4104 3721 0 TRANSFORMER BRACKET 1 0203 Grey 1468 4001 0 CD DOOR FRONT ABS 1 Titanium 1468 4002 0 0204 SVC C54516 MECH DECKCD CDM DA11VZ 1 SVC C56516 MECH 0...

Page 58: ...0 TOP COVER SILVER C542 1 Titanium 1402 3536 0 0302 Grey 2900 4006 3010 M4X0 5PX6MM 4 Titanium 2900 4006 2010 0303 Grey 2954 3008 3000 SCREW B TITE BIND HEAD 1 Titanium 2954 3010 4000 0304 4153 3331...

Page 59: ...0 NON WOVEN CLOTH BAG 1 7 4115 0026 0 CD MANUAL C546 1 8 2103 7302 1 RCA PLUG MALE 1 9 4060 0930 0 GREENCELL AA SIZE GP15G 2 10 8912 0110 0 REMOTE CONTROL 1 11 1450 2520 0 WHITE PAPER A3 SIZE 1 12 C 7...

Page 60: ...4020 4030 4072 4175 4179 4198 4247 4333 4341 4401 4428 4519 4535 4539 and 4595 1726 072A 000B 1726 072A 000C MCU PCB Start from G23C546BEET04706 except 5368 5369 5371 5376 5378 5383 5385 5392 5395 53...

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