NAD T571C Скачать руководство пользователя | Manualshive

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3-33

3-34

8. A/V JACK CIRCUIT DIAGRAM (T571AH ONLY)

T571C/T571AH

Component, S-Video out
can,t be changed.

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Содержание T571C

Страница 1: ...SERVICE MANUAL SERVICE MANUAL T571C T571AHDVD VIDEO PLAYER T571C T571AH DVD VIDEO PLAYER T571C T571AH DVD VIDEO PLAYER MODELS T571C T571AH SERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO...

Страница 2: ...1 R10581B T571C T571AH 3 17 3 18 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 digi...

Страница 3: ...DVD CD picture audio abnormal MPEG Interface Line com Interface Data com Interface adress CD DVD picture audio abnormal Tracking Focus Servo fail Tracking Servo fail Spindle Motor abnormal CD DVD pict...

Страница 4: ...Sled Servo Loop T571C T571AH Turntable not operate Tray Loading Speed control Turn table speed control Spindle Motor unstable Actuator spindle sled not operate DVD laser not operate CD laser not opera...

Страница 5: ...L OUT Y Pb Pr Component Y c S VHS Audio L R OUT CVBS T571C T571AH 3 23 3 24 4 PANTERA CIRCUIT DIAGRAM No Power on Audio DAC Interface System not operate DSP interface line Spindle Motor unstable Syste...

Страница 6: ...7 Glitch Ch1 Ch3 500mV T T 3 IC501 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 00...

Страница 7: ...Not memoried setup Menu Turntable not operating No Disc display Tray not open close Tray not closed Pick up not initial operating Disc Detec Error Disc number detect error Digitron all not display an...

Страница 8: ...3 29 3 30 6 TIMER KEY CIRCUIT DIAGRAM T571C T571AH System not operate Remocon not operate Power not control Digitron abnormal Digitron abnormal...

Страница 9: ...31 3 32 7 A V CIRCUIT DIAGRAM L R T571C T571AH Q401 is defective 2CH Audio out bad IC401 is defective 2CH Audio out bad IC401 is defective 2CH Audio out bad IC403 Q404 are defective Digital data out b...

Страница 10: ...3 33 3 34 8 A V JACK CIRCUIT DIAGRAM T571AH ONLY T571C T571AH Component S Video out can t be changed...

Страница 11: ...3 35 3 36 9 SCART CIRCUIT DIAGRAM T571C ONLY T571C T571AH Component S Video out can t be changed...

Страница 12: ...97 98 99 100 3 1 3 1 3 1 3 1 3 1 3 1 3 1 0 5 0 3 1 3 1 3 1 3 1 3 1 1 6 0 0 3 1 0 3 1 0 3 2 0 3 1 0 3 0 0 2 5 0 3 19 3 19 4 4 3 19 4 4 0 4 4 0 0 0 0 0 3 17 3 17 3 1 0 P A N T E R A M E M O R Y I C 3 0...

Страница 13: ...50 1 50 1 50 1 50 1 50 2 60 1 50 3 10 3 10 3 38 3 40 2 50 2 53 3 44 3 44 3 45 3 44 EE PLAY MODE PIN NO 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...

Страница 14: ...3 41 3 42 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...

Страница 15: ...3 43 3 44 LOCATION GUIDE 2 AV JACK P C BOARD 4 FRONT P C BOARD LOCATION GUIDE 3 SMPS P C BOARD...

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

Страница 17: ...MARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SPECI...

Страница 18: ...e specified to comply with X ray emission standards for products using cathode ray tubes and those specified for compliance with various regulations regarding spurious radiation emission 3 Use Specifi...

Страница 19: ...el only Note This table is unofficial and for reference only Be sure to confirm the precise values for your particular country and locality Leakage Current test Confirm specified or lower leakage curr...

Страница 20: ...100dB EIAJ Harmonic distortion audio 0 003 Wow and flutter Below measurable level less than 0 001 W PEAK EIAJ Operations Temperature 5 C 41 F to 35 C 95 F Operation status Horizontal OUTPUTS Video ou...

Страница 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...

Страница 22: ...pitch 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 Stoppe...

Страница 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...

Страница 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 280 285 262 452 452 DIG901 PBTOO 283 A 5 4 3 2 1...

Страница 25: ...2 5 2 Packing Accessory Section BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 811 812 OWNER S MANUAL 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803...

Страница 26: ...Audio 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 WA...

Страница 27: ...eplace R102 Replace BD101 Bridge rectifier Is R102 R104 normal Is about AC 100V app ied 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...

Страница 28: ...normal Are IC501 Pins 193 808 and 81 normal Do Hello appear at FLD Is P3901 connected normally Is P3901 Pin 8 9 18 normal The waveform on 3 5 7 pin of IC502 normal Check the oscillation Check short O...

Страница 29: ...ES 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...

Страница 30: ...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...

Страница 31: ...s the 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 sig...

Страница 32: ...m of IC901 Pin 22 Does pulse waveform of RC901 Pin 1 appear Is IC901 Pin 17 connected to RC901 Pin 1 Is RC901 Pin 2 5V Power on Check and replace R926 R925 Solder defective parts again Solder defectiv...

Страница 33: ...TTL pulse output to IC201 Pins 140 142 Does 33 8688MHz clock input to IC201 Pin 63 Is IC201 Pins 83 84 88 89 voltage about 2 2V Replace IC201 IC206 soldering or IC defect Check power circuit Check 2 P...

Страница 34: ...up and down Check Focus Driver output IC201 Pin 83 IC2M1 Pins 37 38 Check SLED Driver output IC201 Pin 88 IC2M1 Pins 28 29 IC201 Pin 88 no output IC201 is defective IC2M1 Pins 28 29 no output IC2M1 i...

Страница 35: ...ear OPEN CLOSE Replace IC501 or IC201 Replace IC201 Check IC2A1 Pin 11 12 13 14 in DVD Mode Fig 3 FOCUS ERROR waveform IC201 no output Pick up is defective Check IC201 and IC2M1 when PMD03 Pin 5 is ab...

Страница 36: ...RF 1 5 1 6V IC2A1 Pin 57 Fig 5 RF waveform Check IC2A1 Pins 5 6 7 8 No signal Pick up is defective Replace IC201 Check IC201 Pin84 No signal at IC201 IC201 is defective Check IC201 Pin 162 Check the c...

Страница 37: ...10 F_CLK F_OUT PCMCLK 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_OP...

Страница 38: ...m 5V_D 5V_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 12VA PWR ON OFF REG 3 3V REG 3 3V 3 3V 3 3V 3...

Страница 39: ...OM I F focus tracking loading sled Spindle M D PICK UP MCK IC206 DVDSP 3301 CD DVD DSP DVD SERVO IC2A1 33P3721 RF Signal Processor FDO TDO FMO Load open close loading control UCOM I F DVD A B C D FE T...

Страница 40: ...3 15 4 Audio Block Diagram IC401 PCM1716 Audio DAC IC402 LPF Buffer NJM4580D OP AMP U COM I F A_0WT3 SRST DAC COMM_DATA COMM_CLK DAC_CS LRCK DA_BCK DA_XCK L R L R MPEG I F...

Страница 41: ...7 8 LA 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...

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