NAD M5 C/AH Service Manual
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NAD M5 C/AH Service Manual

Cd/sacd player
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© NAD 2006
M5 C/AH
NAD ELECTRONICS INTERNATIONAL
CD/SACD PLAYER
TORONTO

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  • Page 1 © NAD 2006 M5 C/AH NAD ELECTRONICS INTERNATIONAL CD/SACD PLAYER TORONTO...
  • Page 2 CONTENTS SECTION 1 SUMMARY SECTION 1 ..SUMMARY SECTION 2 CABINET & MAIN CHASSIS SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 3 ..ELECTRICAL SECTION 4 MECHANISM SECTION 4 ..MECHANISM SECTION 5 .

  • Page 3: Table Of Contents

    SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO PRODUCTS ..... SERVICING PRECAUTIONS ................• General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices SPECIFICATIONS ...................

  • Page 4: Product Safety Servicing Guidelines For Audio Products

    PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS 5. NO LEAD OR COMPONENT SHOULD TOUCH A PRODUCT IN ANY WAY, NEVER PERFORM CUSTOM- RECIVING TUBE OR A RESISTOR RATED AT 1 WATT IZED INSTALLATIONS WITHOUT MANUFACTURER’S OR MORE.

  • Page 5: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION Before servicing the Stereo amplifier covered by Electrostatically Sensitive (ES) Devices this service data and its supplements and addends, read and Some semiconductor (solid state) devices can be damaged follow the SAFETY PRECAUTIONS. NOTE: if unforeseen easily by static electricity. Such components commonly are circumstances create conflict between the following servicing called Electrostatically Sensitive (ES) Devices.

  • Page 6: Specifications

    SPECIFICATIONS • GENERAL Power requirements: AC 100-240 V , 50/60 Hz Power consumption: Dimensions (Approx.): 435 x 100 x 300 mm (W x H x D) without foot Weight (Approx.): 8.6 kg Operating temperature: 5 °C to 35 °C (41 °F to 95 °F) Operating humidity: 5 % to 90 % •...
  • Page 7 SECTION 2 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ........................ 1. Cabinet and Main Frame Section ................2-2,3 2. Exploded view parts list......................3. Packing accessory section....................2-5...

  • Page 8: Exploded Views

    EXPLODED VIEWS 1.Cabinet and main frame section T001 C016 S021 T003 T002 C015 C017 C016 C009 S016 S019 S017 A001 C008 A002 S013 R002 A003 C014 S008 A004 S014 C004 S010 S012 R003 RS01 P001 A003 C013 S011 C007 S018 C005 A005 C003...
  • Page 9 2.EXPLODED VIEW PARTS LIST REF.NO. PART NO. DESCRIPTION Qty. REF.NO. PART NO. DESCRIPTION Qty. C002 01-50501-00 Decode Board T002 86-018002-1 Expanded Rubber C003 01-50502-00 Audio Board T003 76-046001-0 Screw Washer C004 01-50505-00 RS232 Board 18-55017-20 R Type Transformer(C Version) C005 18-55017-10 R Type Transformer(AH Version) C006 68-051002-1 Shielding Box(down)
  • Page 10 3.PACKING ACCESSORY SECTION Accessory Box AC Cord Audio and Video Cord Batteries REMOCON Polyfoam(up) Polyfoam(down) Gift Box Shipping Box...
  • Page 11 SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE 1. Power check flow……………………………………………………………………… 3-2 2. System operation flow…………………………………………………………………3-3 3. Test & debug flow……………………………………………………………………... 3-4,9 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGING 1. System 27MHz clock,reset,flash R/W signal………………………………………..3-10 2. SDRAM clock………………………………………………………………………….. 3-11 3.

  • Page 12: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1.Power check flow Digital circuit supply No VF+ No 5VS Is 5VD section working? Is 5VD section working? Is 5VD present at input Check D910 No 5VD of U911? Replace D910 Check FH900 Replace U911. Is there a AC voltage at Replace RT900.

  • Page 13: System Operation Flow

    2. System operation flow Power On 1. ES6168 initializes SERVO & the other DSPs Show LOGO Tray Closed? Tray Close to Closed position SLED at Inner Side ? SLED Moves to Inner Positi on 1. Judge whether have disc and disc type 2.

  • Page 14: Test & Debug Flow

    3. Test & debug flow Switch on the Power switch Check the AC Voltage on Check Fuse and connections Power PCB (110V or 220V) to AC inlet Press the power key on front panel Is the DC Voltage outputs OK? Repair or Replace Power PCB Replace R-core Transformer (5V,3.3V,9V,±12V,5VA)
  • Page 15 RESET or Power On. Check connection lines between FLASH Flash Memory operates & ES6168 and the FLASH access time Show LOGO? properly? whether is suitable or not. Check connection lines between SDRAM works properly? SDRAM & ES6168 and the SDRAM is damaged.
  • Page 16 Does Motor Driver the SLED move Check the connection line of to inner side when it is at XFTSMUTE XFTSMUTE signal. outter position? Pin is High? Is SLED DC Level lower Check the related circuit of than 1.65V? SLED. SL+ and SL- output Check the amp circuit on motor properly? driver.
  • Page 17 Check the laser power circuit Laser turns on when DVDLD or CDLD on CXD1881 and connecting to reading disc? output properly? power transistor. Collector voltage of Check the related circuit on power transistor is OK? laser power transistor Check cable connection between transistor ouput and pick-up head.
  • Page 18 Proper signals on Check connections between Focus ON OK? A,B,C,D of CXD1881 CXD1881 and pick-up head. Check the FSCON connection on Check FEO signal CXD1885Q and motor driver. on CXD1881 Check FSCON signal on CXD1885Q Check the related Normal TEO Signal on Track On OK? circuit on CXD1881 CXD1881 ?
  • Page 19 Normal Audio output Audio DAC received Check connection between ES6168 when disc playback? correct data stream? & CXD2753 & Audio DAC. Check the related Normal Audio DAC circuit of Audio DAC. out? Check Audio filter,amplify,mute circuit. Communications between Normal IR.VFD & Front Check communication lines on IR.VFD Front pane l l k ey &...

  • Page 20: Details And Waveforms On System Test And Debuging

    DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1.SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL. 1) ES6168F main clock is at 27MHz(pin49) FIG 1-1 2) ES6168F( pin24) reset is low active. Ch1 VCC CH2 RESET FI1-2 3-10...

  • Page 21: Sdram Clock

    2. SDRAM CLOCK FIG 2-1 3. TRAY OPEN/CLOSE SIGNAL CH1 EJ- CH2 EJ+ FIG 3-1 3-11...

  • Page 22: Sled Control Related Signal(No Disc Control)

    CH1 EJ- CH2 EJ+ FIG 3-2 4. SLED CONTROL RELATED SIGNAL(NO DISC CONDITION) SLED CONTROL FIG 4-1 CH1 SL+ CH2 SL- FIG 4-2 3-12...

  • Page 23: Lens Control Related Signal(No Disc Control)

    5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) LDON FIG 5-1 CH1 DVD_LD CH2 CD_LD FIG 5-2 3-13...
  • Page 24 6. FOCUSE CONTROL RELATED SIGNAL(NO DISC CONDITION) FSCON FIG 6-1 CH1 FOCUS- CH2 FOCUS+ FIG 6-2 3-14...

  • Page 25: Spindle Control Waveform

    7. SPINDLE CONTROL WAVEFORM CH1 SPWM2 CH2 SPWM1 FIG 7-1(DVD) CH1 SPWM2 CH2 SPWM1 FIG 7-2(CD) 3-15...

  • Page 26: Focus On Waveform

    8. FOCUS ON WAVEFORM(FSCON) FIG 8-1(CD) FIG 8-2 (SACD) 3-16...

  • Page 27: Rf Waveform

    9. RF WAVEFORM 10.ES6168F AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) 3-17...

  • Page 28: Es6168F Video Output To Audio Dac

    11. ES6168F AUDIO OUTPUT TO AUDIO DAC CHI1 BITCLOCK CH2 LRCLOCK FIG 11-1 12. AUDIO OUTPUT (1KHZ 0DB) FIG 12-1 3-18...

  • Page 29: Block Diagrams

    BLOCK DIAGRAM 1.OVERAL BLOCK DIAGRAM RS232 JACK 3-19...

  • Page 30: Power(Smps)Block Diagram

    2.POWER(SMPS)BLOCK DIAGRAM TRANS SWITCHING IC RECTIFIER LINE FILTER 3-20...

  • Page 31: Servo Block Diagram

    3.SERVO Block Diagram 3-21...

  • Page 32: Circuit Diagrams

    CIRCUIT DIAGRAMS 1.POWER(SMPS) BOARD 3-22...

  • Page 33: Decode Board-Es6168 Section

    2. DECODE BOARD-ES6168 SECTION OPEN 0 OHM 0 OHM OPEN LD15 OPEN VCC33 R19 NC LA16 LA17 VCC33 LA15 BYTE VCC33 VCC33 VCC33 LA14 PCM/DSD VCC33 LA13 DQ15/A_1 TWS1 LA12 TDM-DATA 0.1U TBCK1 LA11 LD14 DQ14 TDM-FS (22PF) LA10 OPEN OPEN OPEN TDM-CLK...

  • Page 34: Decode Board-Dsp Section

    3.DECODE BOARD-DSP SECTION To RF Block CDDAT CDDAT H_CDDAT CDCLK CDCLK H_CDCLK CDFRM CDFRM H_CDFRM AMPSEN AMPSEN CDERR CDERR AMPSEN H_CDERR AMPSDT AMPSDT AMPSDT AMPSCK AMPSCK AMPSCK DRVRDY DRVRDY H_DRVRDY DFCT DFCT DRVCLK DRVCLK DFCT H_DRVCLK MIRR MIRR DRVRX DRVRX MIRR H_DRVRX DRVTX...

  • Page 35: Decode Board-H-Power & Driver Section

    4.DECODE BOARD-H-POWER & DRIVER SECTION 3-27...

  • Page 36: Decode Board-Rf Section

    5.DECODE BOARD-RF SECTION 3-28...

  • Page 37: Decode Board-Connect And 232 Section

    6.DECODE BOARD-CONNECT AND 232 SECTION 3-29...

  • Page 38: Audio Board

    7. AUDIO BOARD FROM SWITCH PSU BOARD DSDL1 DVSS DSDR1 DVDD DSDL2 MCLK DSDR2 BICK DSDL3 DSDR3 ACKSN DIF0 DIF0 CAD0 ROUT4- DZF1 ROUT4+ DZF2 VREFH DZF3 AVDD LOUT1+ AVSS LOUT1- 232 AND IR INTERFACE FROM DECODE BOARD 1 2 3 4 5 R792 D619 1N4148...

  • Page 39: And Amp Module Board

    8. 232 AND AMP MODULE BOARD RM28 RM29 680R 680R RM22 CM10 RM27 0.1u RM23 220R CM09 100N QM14 2SA1312 QM24 QM13 2SC2983 2SA1312 QM17 2SC3324 CM12 RM30 100u RM20 RM21 RM26 100R QM18 100R 4.7K 2SC3324 RM34 LM01 100uH VIA- VIA+ CM16...

  • Page 40: Front Panel Board

    9. FRONT PANEL BOARD 3-33...

  • Page 41: Circuit Voltage Chart

    CIRCUIT VOLTAGE CHART PLAY STOP PLAY STOP STOP PLAY STOP PLAY STOP PLAY U10(ES6168) 0.86 0.86 3.17 3.16 U6(MX29LV160ABTC-70) U20(SC16C550IB48) IC17(PLD M4A3-64/32) 3.17 3.16 0.88 0.88 1.78 1.92 1.66 1.38 1.38 0.77 0.77 2.86 3.69 0.58 0.58 1.53 1.53 1.45 0.98 0.98 1.46...
  • Page 42 STOP PLAY STOP STOP STOP PLAY PLAY IC18(CXD1885Q) 1.65 1.65 1.43 1.43 0.04 0.04 2.26 2.26 1.43 1.43 2.25 2.23 1.64 1.64 2.21 2.21 2.27 2.27 1.66 1.66 3.31 3.31 3.31 3.31 1.65 1.65 3.31 3.31 0.02 0.02 1.65 1.65 3.31 3.31 1.65...
  • Page 43 STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY U652(AK4358) U656(74HCU04) 1.67 1.67 IC15(M12L16161A) U653(OPA2134UA) 3.35 3.35 2.37 2.37 3.17 3.17 1.77 1.77 1.57 1.57 1.67 1.67 2.36 2.36 2.36 2.36 1.66 1.66 1.68 1.68 1.67 1.67 2.38...
  • Page 44 STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP U659(UA9638C) U16(74HC374) U604(DSD1794) Q651(2SC3326) Q659(2SC3326) Q630(2SC3324) MODE STOP PLAY -11.4 -11.4 PIN NO Q45(DTC114) 0.36 -10.8 -10.8 0.26 0.35 STOP PLAY STOP PLAY STOP PLAY 0.55 0.55 Q652(2SC1815) Q660(2SC3326) Q631(2SC3324) MODE STOP PLAY PIN NO...

  • Page 45: Decode Board

    PRINTED CIRCUIT DIAGRAMS 1.DECODE BOARD BOTTOM C325 C329 C306 R424 C305 C285 R422 C330 C284 C302 C304 R145 R364 R458 C331 C324 C447 C448 C438 IC23 C421 R468 C430 C476 C472 C482 C426 RM16 RM17 C483 C427 RM15 RM14 RM13 C431 C429 R469...

  • Page 46: Audio Board

    2. AUDIO BOARD P651 P653 MS0122C B650 C COPYRIGHT NAD ELECTRONICS XM650 M5 audio board VM1.0 R646 R648 R653 R657 Q628 Q626 C699 Q632 Q630 Q627 Q625 Q631 Q629 C710 C712 C711 C721 C713 R658 R652 R654 C720 C722 C714...

  • Page 47: Smps Board

    3.SMPS P.C.BOARD 3-46...

  • Page 48: Front Panel Board

    4.FRONT PANEL BOARD U800 C808 W806 W805 D800 J801 C803 U802 S814 S815 S800 HS4-M55_B008-VM1.0-FPP S812 DEC,01/2005 power enter left right 5.RS232 BOARD 6.AMP MODULE BOARD RM26 RM26 QM24 QM24 M5 module board vm1_0 M5 module board vm1_0 3-48 3-47...

  • Page 50: Mechanism Assembly

    SECTION 4 MECHANISM Mechanism Assembly Loader Clamp1 Loader Clamp2 (69-051003-0) (69-051004-0) Loader Gasket (79-051002-0) Loader WXD-8836B Laser Pick Up Rubber Damper Screw...
  • Page 51 SECTION 5 REPLACEMENT PARTS LIST MODEL :M5 C/AH(NAD) RUN DATE : HS4-M5_B013_VM1.0 P/N:01-50501-00 PCB1 BOARD DECODE Inductor No6 wireless c t i factory in Changzhou China DIODE c t i TRANSISTOR t s i t s i t s i...
  • Page 52 B2, B4, B11, B12, B26, B27, B28, B29, B30, B31, B32, B33, B34, B35, B36, B70, C1, C2, C3, C108, C284, C285, C286, C287, C288, C301, C302, C303, C304, C305, C306, C307, C322, C323, C324, C325, C326, C327, C328, C329, C330, C331, C332, C334, C335, C336, C337, C338, C339, C340, C401, C403, C404, 26-10451-00 Ceramic Chip Capacitor...

  • Page 53: Audio Board

    RM10, RM11, RM12, RM13, RM14, RM15, RM16, 07-90103-10 Chip Resistor Network 10K ×4, ±5% 0603×4 FENGHUA/TDK RM17 CONNECTOR LONSID LONSID LONSID LONSID PUDI CRYSTAL 27.000MHZ, FL=50PPM, 04-22702-00 Quartz Oscillator CL=15pF FR-4, 1.6mm 1 ounce double 16-50501-00 side blue,gold plating, 182mm× 126mm .1 P/N:01-50502-00 AUDIO BOARD...
  • Page 54 B650, B651, B653, C605, C627, C628, C635, C636, C688, C689, C690, C691, C692, C693, C694, C695, C696, C697, C702, C704, C706, C707, C708, C709, 26-10421-10 Ceramic Chip Capacitor 100nF/25V, ±10% C710, C711, C712, C713, C714, C715, C716, C717, 0603 TDK/Phicomp C720, C721, C722, C723, C730, C734, C774, C775, C776, C777, C778, C780, C782, C784, C785, C786, C787, C788, C792...
  • Page 55 t s i ± 07-91002-01 Chip Resistor 10K , ±1% R604, R606, R607, R608, R646, R648, R653, R657 0805 Yageo/Phicomp t s i ± t s i ± t s i ± t s i ± 07-90000-10 Chip Resistor Network ×...
  • Page 56 07-90102-02 Chip Resistor ± INDUCTORS FENGHUA CONNECTORS LITUOXING 36mm×24mm 1OUNCE FR-4 16-50506-00 MODULE PCB DOUBLE SIDE 36mm×24mm 1OUNCE FR-4 16-50560-00 MODULE PCB DOUBLE SIDE MECHANICAL PARTS 70-067001-1 Module Base 6063, T5 ZHIXING 70-048003-0 Module Cover 6063, T5 ZHIXING 66-048001-0 Tr. Bracket SECC N4 T=1.0 SANMA ×...

  • Page 57: Display Bracket

    …3 × METAL PARTS 65-051011-0 IR Bracket TIN PLATE T=0.3mm PASTIC PARTS 75-051001-0 Display Bracket ABS BLACK 01-50505-00 232 BOARD CONNECTORS SANLONG XUQUAN JINGSHI 16-50505-00 RS232 PCB FR-4, 1.6mm, 90mm×22mm 16-50550-00 RS232 PCB FR-4, 1.6mm, 90mm×88mm 0.25 Metal Parts 66-010010-0 BRACKET 6 SECC-N4 T=1.00 SANMA...
  • Page 58 Fast-Recovery Rectifier 33-20104-00 c t i Diode i f i t c t i Fast-Recovery Rectifier 33-20205-00 c t i Diode Schottky Barrier Rectifier 33-20360-00 c t i Diode Schottky Barrier Rectifier 33-20540-00 c t i Diode c t i i f i t HONGYANG INDUCTOR...
  • Page 59 LD2.0A-6Y plugs, UL1007 14-50506-01 WIRE Mechanism to decode board 26AWG wire white L=140±5mm Same side, 20PIN, 1mm, 60± 14-50520-00 Audio board to decode board Same side, 6PIN, 1mm, 55± 14-50506-00 Audio board to 232 board Same side, 24PIN, 0.5mm, 210 14-5524-00 from laser pick up to decode board replaced by 14-55524-10 ±3mm...
  • Page 60 REAR PANEL(5), MECHANISM(4), CHASSIS(4), 61-023106-0 Self Taping Screw STB3×6 BANJING RS232 BOARD(2) × BANJING × × × × × CUNYING 61-224508-1 Machine Screw GB/T70.1, 4X8 FRONT PANEL 61-224512-1 Machine Screw GB/T70.1, 4X12 FRONT PANEL 61-022506-6 Machine Screw MB2.5×6-Ni KEYS ACCESSARIES 87-048002-0 Button Pad NWC White...

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