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NAD T572C, Service Manual

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NAD T572C Service Manual Download Page 2

3-17

3-18

NOTES)          Warning

NOTES)          

Parts that are shaded are critical

NOTES)          

With respect to risk of fire or

NOTES)          

electricial shock.

R1A1
56(2W)

'02. 03. 19 R14140A

CIRCUIT DIAGRAM

1. POWER(SMPS) CIRCUIT DIAGRAM

NOTE : 

1. Shaded(   ) parts are critical for safety. Replace only 

with specified part number.

2. Voltages are DC-measured with a digital voltmeter

during Play mode.

Oscillation abnormal

Digitron no Power

3.3V line dead.

No Power

8V line dead

5V_A/5V_D, No Power

No Power

Summary of Contents for T572C

Page 1: ...ERVICE MANUAL SERVICE MANUAL T572C T572AH DVD VIDEO PLAYER MODELS T572C T572AH SERVICE MANUAL NAD 2002 NAD ELECTRONICS INTERNATIONAL TORONTO T572C T572AH DVD VIDEO PLAYER T572C T572AH DVD VIDEO PLAYER...

Page 2: ...1A1 56 2W 02 03 19 R14140A CIRCUIT DIAGRAM 1 POWER SMPS CIRCUIT DIAGRAM NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital vo...

Page 3: ...vo Loop WAVEFORM D201 D202 R284 R283 02 03 19 R14135A 2 DVD DSP CIRCUIT DIAGRAM DVD CD picture audio abnormal com Interface adress CD DVD picture audio abnormal Focus Servo fail Tracking Servo fail Sc...

Page 4: ...oop Focus Servo Loop Tracking Servo Loop Sled Servo Loop R2R3 R2R1 0 R2R4 02 03 19 R14133A Turntable not operate DVD laser not operate CD laser not operate Tray Loading Speed control Turn table speed...

Page 5: ...OAXITAL OUT Y Pb Pr Component Y c S VHS Audio L R OUT CVBS HB 150 02 08 26 R14134A NAD 4 PANTERA CIRCUIT DIAGRAM No Power on No Power 1 8V Audiuo DAC Interface System not operate System not working or...

Page 6: ...C501 Pin 114 Luminance Super video out Mode Tek Stop 1 00kS s 3290 Acqs M 500 s CH1 280 mV Edge Slope Type Edge Source Ch1 Coupling DC Level 280mV Mode Holdoff 3 Ch3 1 00V T T Slope T IC501 Pin 99 PAN...

Page 7: ...4136A 4 7K Program download fail Digitron abnormal Not power on Not memoried setup Menu No Disc display Tray not open close Tray not closed Digitron all not display and system not operate Turntable no...

Page 8: ...3 29 3 30 6 TIMER KEY CIRCUIT DIAGRAM System not operate System not operate Remocon not operate...

Page 9: ...3 31 3 32 7 A V CIRCUIT DIAGRAM 02 03 19 R14137B...

Page 10: ...3 33 3 34 8 JACK CIRCUIT DIAGRAM T572AH...

Page 11: ...3 35 3 36 9 JACK CIRCUIT DIAGRAM T572C...

Page 12: ...ODE PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 4 4 0 0 0 3 2 0 0 0 0 0 0 3 2 3 2 0 0 0...

Page 13: ...1 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 3 1V 2 5 3 7 2 3 4 2 5 NC NC 1 2V 2 78V 3 0 3 6 3 0 3 6 2 7V 1 9V 5 18V 5 18V 0 3 8V 0V 4V 3 3V 5 2V 0 0V 5 18V 2 2V 3 5 2 2V 3 4 3...

Page 14: ...3 41 3 42 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE BOTTOM SIDE TOP SIDE...

Page 15: ...44 2 AV JACK P C BOARD LOCATION GUIDE 4 FRONT P C BOARD LOCATION GUIDE NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock 3 SMPS P C...

Page 16: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MECHANISM SECTION 5 REPLACEMENT PARTS LIST...

Page 17: ...ION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 2 SERVICING PRECAUTIONS 1 3 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE DEVI...

Page 18: ...WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUP...

Page 19: ...pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called...

Page 20: ...Hz CD 8Hz to 20kHz Signal to noise ratio More than 100dB ANALOG OUT connectors only Harmonic distortion Less than 0 008 Dynamic range More than 100dB DVD More than 95dB CD OUTPUTS VIDEO OUTPUTS 1Vp p...

Page 21: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS 1 DISASSEMBLY 2 2 CABINET DISASSEMBLY 2 2 CIRCUIT BOARD DISASSEMBLY 2 3 2 EXPLODED VIEWS 2 4 1 Cabinet and Main Frame Section 2 4 2 Packing Accessory Section 2...

Page 22: ...itch screws used to secure metal parts If they are used improperly the screw holes will be easily damaged and the parts can not be fixed Top Case A A A A A A A Disc Tray Tray Door Front Panel Stopper...

Page 23: ...n chassis 6 Unscrew 4 screws D at MD Ass y DPM1 7 Turn the portion the direction of arrow to move the Base Assembly Tray in front of you 8 Release the other 3 screws E 9 Disassemble MD Ass y DPM1 from...

Page 24: ...XPLODED VIEWS 1 Cabinet and Main Frame Section 465 465 250 462 462 300 465 260 465 A46 A47 463 463 275 463 463 463 467 A48 463 463 463 463 463 A00 A43 283 280 285 262 452 452 LED901 PBTOO A 5 4 3 2 1...

Page 25: ...MN5025E HA2DNN SMPS BLUE PCB PARTS SECTION 250 3110R 0194U O O CASE DVD TOP 5 DVD W O DVD 260 3141R 0059R O CHASSIS ASSEMBLY DVD DMP5024N MAIN HA1UPP NSP 260 3141R 0059S O CHASSIS ASSEMBLY DMN5026N T5...

Page 26: ...3835RS0042E O INSTRUCTION ASSEMBLY DMN5026N_HA1UNN 802 3890R H524M O BOX DMN5025E HA2DNN SW3 A 1 745 1 802 3890R H524N O BOX DMN5026N HA1UNN SW3 A 1 745 1 803 3920R E038A O O PACKING CASING DMN4022N...

Page 27: ...o Block Diagram 3 15 5 MPEG Block Diagram 3 16 CIRCUIT DIAGRAMS 3 17 1 Power SMPS Circuit Diagram 3 17 2 DVD DSP Circuit Diagram 3 19 3 Drive RF Circuit Diagram 3 21 4 MPEG Circuit Diagram 3 23 WAVEFO...

Page 28: ...eplace R102 Replace BD101 Bridge rectifier Is R102 R104 normal Is about AC 100V applied to IC101 Pin 3 Check IC101 Is 5 2V applied to IC102 Pin 1 Is there a DC voltage at the terminal of BD101 Check R...

Page 29: ...normal Are IC501 Pins 193 80 and 81 normal Does Hello appear on FLD Is P3901 connected normally 16 19 normal The waveform on 3 5 7 pin of IC503 normal Check the oscillation Check short OK Replace IC5...

Page 30: ...S YES If OK YES If OK YES If OK Refer to Audio part Refer to Decoder part Refer to PANTERA part Replace B D Check Front Reconnect it Refer to SERVO part Check the connection of MD AUDIO ABNORMAL OPEN...

Page 31: ...e abnormal Check the disc If OK YES If OK YES If OK Refer to Servo part Check DSP Check PANTERA Replace B D PICTURE ABNORMAL F Disc Error Check Disc YES If OK YES If OK Refer to Servo part Replace B D...

Page 32: ...e audio sound output from PANTERA decoder Does the moving picture of the video CD play on the screen normally Does the audio sound output normally END Check power clock Check CD DVD DSP output signal...

Page 33: ...rm of IC901 Pin 15 Does pulse waveform of RC901 Pin 1 appear Is IC901 Pin 28 connected to RC901 Pin 1 Is RC901 Pin 2 5V Power on Check and replace R926 R925 Solder defective parts again Solder defecti...

Page 34: ...oes signal goes High to IC201 Pin186 when the power is on Does 33 8688MHz clock input to IC201 Pin 63 Replace IC201 IC206 soldering or IC defect Check 2 PANTERA Part Replace X201 or IC206 30MHz clock...

Page 35: ...up and down Check Focus Driver output IC201 Pin 88 IC2M1 Pins 37 38 Check SLED Driver output IC201 Pin 80 IC2M1 Pins 28 29 IC201 Pin 80 no output IC201 is defective IC2M1 Pins 28 29 no output IC2M1 i...

Page 36: ...ar OPEN CLOSE Replace IC501 or IC201 Replace IC201 Check IC2A1 Pin 47 50 51 52 in DVD Mode Fig 3 FOCUS ERROR waveform IC201 no output Pick up is defective Check IC201 and IC2M1 when PMD03 Pin 5 is abn...

Page 37: ...1 5 1 6V Q2A6 collector Fig 5 RF waveform Check IC2A1 Pins 47 50 51 52 No signal Pick up is defective Replace IC201 Check IC201 Pin84 No signal at IC201 IC201 is defective Check IC201 Pin 105 Check t...

Page 38: ...CLK SPINDLE_FG MSDATO MDP1 FOK DEFECT DSP_SENSE LOCK E_SOUT ZISENB XRST DAC_RST 16 9 PAL_SW AUTO_SW MIC_ON Y_SEL A_MUTE DAC_CS1 DAC_CS2 V_MUTE DAC_CLK DAC_OUT ADCCLK ACT_MUTE LOAD_OPEN LOAD_CLOSE MIRR...

Page 39: ..._A 27VA VF RECTIFIER LINE FILTER SWITCHING TR TRANS FEED B REG 8V 8V 5 2VA VF RECTIFIER FLD RECTIFIER 9V RECTIFIER 5 2V LPF LPF RECTIFIER 14V LPF 12V_A AC120V PWR ON OFF REG 3 3V REG 3 3V 3 3V_MI 3 3V...

Page 40: ...UCOM I F focus tracking loading sled Spindle M D PICK UP MCK IC201 HDC25D811B CD DVD DSP DVD SERVO IC2A1 HD153702TF RF Signal Processor FDO TDO FMO Load open close loading control UCOM I F DVD A B C D...

Page 41: ...3 15 4 Audio Block Diagram IC401 CS4391 Audio DAC IC402 LPF Buffer NJM4580D OP AMP L R U COM I F A_0WT3 SRST DAC COMM_DATA COMM_CLK DAC_CS LRCK DA_BCK DA_XCK L R MPEG I F...

Page 42: ...0 3 4 SCLK SDATA SQCK SQS0 REQP SDCLK1 PSYNC DSP_INT SENSE DSP_CS AD 00 19 RF MOTOR I F MIRR LDON SCLK SDATA EE_CS F_IN 32 MD 00 31 MCLK2 CKE MA 00 10 MA12 13 CS0 RAS CAS WE DQM 0 3 SPINDLE_FG LA 0 3...

Page 43: ...nism Exploded View 016 012 012 014 014 009 013 413 011 008 432 430 430 430 430 031 001 003 004 026 025 002 414 415 415 413 413 413 413 414 414 416 032 034 033 035 416 416 416 416 416 037 038 030 024 0...

Page 44: ...M E M O M E M O...

Page 45: ...ly Up Down 4 3 3 1 PCB Assembly Junction 4 3 3 2 Base Assembly Sled Damper 4 3 3 2 1 Gear Assembly Feed 4 3 3 2 2 Gear Assembly Middle 4 3 3 2 3 Gear Assembly Rack 4 3 3 3 Rubber Damper 4 3 3 4 Frame...

Page 46: ...ar Slider Gear Exchange Gear Main Gear Up Down Gear Wheel Main Gear Loading Motor Assembly Main Base Main 3 Screws 2 Connectors 1 Hook 2 Locking Tabs 1 Screw 2 Locking Tabs 2 Screws 1 Connector 2 Scre...

Page 47: ...cking Tabs L1 located to both sides of the Base Main and then pull the Base Assembly Tray in fornt of you 2 1 Tray Disc Fig 4 2 1 Release Screw S2 Put the Base Assembly Tray face down Bottom side 2 2...

Page 48: ...SSEMBLY JUNCTION FRAME UP DOWN BASE MAIN FRAME UP DOWN GEAR UP DOWN 3 Frame Assembly Up Down Fig 4 3 1 Release Screw S5 3 1 PCB Assembly Junction 1 Unconnect the 5 Connectors C5 C6 2 Release 2 Screws...

Page 49: ...ase three Screws S9 When reassembling align the Mode Switch position as Fig A Put the Base Assembly Main on original position Top Side 4 2 Gear Slider 1 Release Screw S10 4 3 Gear Exchange 1 Release S...

Page 50: ...MEMO...

Page 51: ...0R 0006A O O ROLLER BASE TRAY 024 4681R 0010D O O MOTOR ASSEMBLY TRAY SH 025 3040R 0032A O O BASE TRAY DPM1 NSP 026 3390R 0008A O O TRAY DISC DPM1 030 3040R 0031A O O BASE MAIN DPM1 031 4470R 0069A O...

Page 52: ...18AWGX2C 105C JI 300 6410RCHJ02A O POWER CORD JL201B WITH CORE JIULIAN VDE SCREW 455 353 051E O O SCREW SPECIAL 3X12 462 353 085E O O SCREW DRAWING 3 D4 0 L10 0 MSWR3 FZMCW 2 463 353 051G O O SCREW DR...

Page 53: ...O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C204 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C205 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50...

Page 54: ...1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C295 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C296 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD...

Page 55: ...50V Z Y5V F 1508 R TP C316 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C317 0CH8476C611 O O CAPACITOR CHIP AL ELECTROLYTI 47UF 6 3V M 85STD CYL R TP C318 0CH1104K942 O O...

Page 56: ...1UF 50V Z Y5V F 1508 R TP C531 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C532 0CH1104K942 O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C533 0CH1104K94...

Page 57: ...141489BB O O DIODE SWITCHING 1N4148 26MM TP GRANDE DO34 75V DIG901 6302RCV103B O O DIGITRON VFD20 0703FN ZEC SEG VFD DVD 5 FUSE F101 585 011T O FUSE SLOW BLOW 1600MA 250 V 5 2X20 CY GL SEMK F101 585 0...

Page 58: ...02A O O FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L2A1 6200HJC102A O O FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L2A2 6200HJC102A O O FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L301 6200HJC102A O...

Page 59: ...0RH1004C622 O O RESISTOR METAL GLAZED CHIP 1M OHM 1 16 W 1608 5 00 D R217 0RH0102C622 O O RESISTOR METAL GLAZED CHIP 10 OHM 1 16 W 1608 5 00 D R218 0RH4700C622 O O RESISTOR METAL GLAZED CHIP 470 OHM...

Page 60: ...8 5 00 D R2B5 0RH1001C622 O O RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R2B6 0RH0182C622 O O RESISTOR METAL GLAZED CHIP 18 OHM 1 16 W 1608 5 00 D R2B7 0RH0182C622 O O RESISTOR METAL GLAZED...

Page 61: ...1K OHM 1 16 W 1608 5 00 D R2P8 0RH1001C622 O O RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R2P9 0RH1001C622 O O RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R2Q1 0RH1001C622 O O RESI...

Page 62: ...OHM 1 16 W 1608 5 00 D R409 0RH7501C622 O O RESISTOR METAL GLAZED CHIP 7 5K OHM 1 16 W 1608 5 00 D R410 0RH7501C622 O O RESISTOR METAL GLAZED CHIP 7 5K OHM 1 16 W 1608 5 00 D R411 0RH7501C622 O O RES...

Page 63: ...2F608 O RESISTOR FIXED CARBON FILM 47K OHM 1 6 W 5 00 TA26 R604 0RD0752F608 O RESISTOR FIXED CARBON FILM 75 OHM 1 6 W 5 00 TA26 R605 0RD1001F608 O O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 00 TA26 R...

Page 64: ...1 6 W 5 00 TA26 R969 0RD1003F608 O O RESISTOR FIXED CARBON FILM 100K OHM 1 6 W 5 00 TA26 R970 0RD1003F608 O O RESISTOR FIXED CARBON FILM 100K OHM 1 6 W 5 00 TA26 R971 0RD1003F608 O O RESISTOR FIXED CA...

Page 65: ...TOR CERAMIC CSTLS6M00G53 A0 MURATA 6MHZ ZENER DIODE ZD101 0DZ560009CJ O O DIODE ZENERS GDZJ5 6B 26MM GRANDE TP26 DO34 ZD605 0DZ332609FB O O DIODE ZENERS GDZJ3 3B 26MM GRANDE TP26 DO34 ZD606 0DZ332609F...

Page 66: ...MEMO...

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