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NAD T517AHT, Service Manual

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NAD T517AHT Service Manual Download Page 22

3-9

NO

NO

YES

YES

Check the laser power circuit

on MT1389S and connecting

to power transistor.

Check cable connection

between transistor ouput

and pick-up head.

NO

Laser off

NO

NO

YES

Check the related circuit

on MT1389S RFL signal.

Check LDO1 & LDO2 signal

YES

YES

NO

NO

YES

Check DMSO related

circuit on MT1389S.

NO

YES

Check the spindle control

amp circuit of motor driver.

Check the cable

connection between spindle

and main PCBA.

YES

YES

Laser turns

on when reading

disc?

LD01 or LD02

output properly?

NO

Check the related circuit on

laser power transistor.

Collector

voltage of power transistor

is OK?

Put disc in?

Disc ID is

correct?

Does 

spindle rotate?

Proper

DMSO signal on

MT1389S.

SP+ & SP-

output properly?

Proper

RFL signal on

MT1389S?

C

D

ELECTRICAL TROUBLESHOOTING GUIDE

Summary of Contents for T517AHT

Page 1: ...ERVICE MANUAL T517C T517CT MODELS T517C T517CT SERVICE MANUAL NAD 2008 NAD ELECTRONICS INTERNATIONAL TORONTO T517C T517CT T517AH T517AHT DVD VIDEO PLAYER T517C T517CT T517AH T517AHT DVD VIDEO PLAYER D...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MECHANISM DP 12V SECTION 5 REPLACEMENT PARTS LIST...

Page 3: ...RODUCT SAFETY SERVICING GUIDELINES FOR DVD PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES THE PROCESS OF DISC...

Page 4: ...ized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign particles 4 Che...

Page 5: ...ls 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 Elec...

Page 6: ...choose 16 9 menu 4 Press the 1 3 9 7 1 3 9 numerical button Enter key on remote control to confirm the system information 5 Remember or write the model name 6 Change the program file name of new vers...

Page 7: ...rs on the screen Press key 10 After the below picture appears on the screen Disc will emerge from DVD player automatically Take the disc out of the DVD player 11 After Disc download is completed DVD p...

Page 8: ...0 3 V p p 75 COMPONENT VIDEO OUTPUT Y 1 0 V p p 75 negative sync RCA jack x 1 Pb Pr 0 7 V p p 75 RCA jack x 2 HDMI OUTPUT Video Audio 19 pin HDMI standard Type A AUDIO OUTPUT 2 0 Vrms 1 kHz 0 dB 600...

Page 9: ...1 8 MEMO...

Page 10: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 CABINET AND MAIN FRAME SECTION 2 2 2 DECK MECHANISM SECTION DP 12V 2 3 3 PACKING ACCESSORY SECTION 2 4...

Page 11: ...2 KEY CN903 452 A50 320 467 465 470 462 A44 260 261A 261A 262 462 261 261 261 261 462 261B 261B 463 461 A41 USB SCART CABLE2 462 275 CN801 P3702 E A 462 P101 A47 SMPS C B A46 MAIN D E 462 EXPLODED VIE...

Page 12: ...2 3 2 DECK MECHANISM SECTION DP 12V 442 442 010 442 012 012 037 012 019 026 440 015 017 013 439 018 A02 A26 A01 001 002 003 014 015A 015B 016 020 435 A03...

Page 13: ...ACKING ACCESSORY SECTION 808 Battery 810 Cable Set Ass y OPTIONAL PARTS 811 Plug Ass y 1way Yellow 804 Packing Sheet 801 Owner s Manual 803 Packing 812 Plug Ass y 2way 900 Remocon 803 Packing 802 Box...

Page 14: ...89S 3 22 CONNECTOR PICTURE 3 23 1 ALL CONNECTOR PICTURE 3 23 2 MAIN BOARD CONNECTOR PICTURE 3 24 3 CN201 CONNECTOR PICTURE 3 25 4 CN202 CONNECTOR PICTURE 3 25 5 CN601 CONNECTOR PICTURE 3 26 6 CN602 CO...

Page 15: ...D106 D107 D108 YES NO Is the D105 D106 D107 D108 normal Check or Replace the IC101 YES NO Is the Vcc about 17V supplied to IC101 Pin2 Replace the D121 YES NO Is the D121 normal Replace the IC103 YES...

Page 16: ...ollector Check the PWR CTL H signal from com YES NO Is the Vcc 12V supplied to Q126 Base ELECTRICAL TROUBLESHOOTING GUIDE No 12V Check or Replace the D125 YES YES NO Check or Replace the Q123 Is the V...

Page 17: ...YES YES No 5V No 3 3VA Replace Q126 Check FR101 Replace Q121 YES Is there a DC voltage at cathode of D105 or D107 YES NO NO NO NO Replace IC101 2 POWER CHECK FLOW A B Check D105 D106 D107 D108 and re...

Page 18: ...osition SLED moves to inner position 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure 1 Execute pressed Key IR key 2 System operation routine loop 1 Stop playback open...

Page 19: ...s YES NO Connect to PC RS232 cable and update the FLASH memory code 1 Check 27MHz system clock 2 Check system reset circuit 3 Check FLASH R W enable signal PRD RWR 4 Check RS232 SIGNALS 5 Check FLASH...

Page 20: ...ion to TV set NO NO YES Check the load OPEN CLOSE switch NO YES Check the tray control I O pins on MT1389S AM5890 NO YES Check the tray control amplifying circuit on Motor driver Check the cable conne...

Page 21: ...ble connect on with pick up head YES YES Motor driver STBY pin is high Is FMSO DC level higher than 1 4V SL and SL output properly Does the SLED move to inner side when it is at outter position NO NO...

Page 22: ...related circuit on MT1389S NO YES Check the spindle control amp circuit of motor driver Check the cable connection between spindle and main PCBA YES YES Laser turns on when reading disc LD01 or LD02 o...

Page 23: ...on A B C D of MT1389S NO NO Check the related circuit on MT1389S Track on OK Disc is play Normal TEO Signal on MT1389S NO Check the tracking control amp circuit on motor driver T T output properly YES...

Page 24: ...ES Check communication lines on MT1389S YES YES TEST END Check the cable connection on Front pannel Normal Audio output when disc playback Normal audio DAC out Commu nications between IR VFD Front pan...

Page 25: ...D WAVEFORMS ON SYSTEM TEST AND DEBUGGIBG 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1389S main clock is at 27MHz X601 FIG 1 1 1 1 2 MT1389S reset is low active FIG 1 2 2 3 4 3 3 3V PWR_CTL IC601...

Page 26: ...3 13 3 RS232 waveforn during procedure Downloading FIG 1 3 5 6 TXD RXC 5 6 4 Flash R W enable signal during download Downloading FIG 1 4 7 8 PRD PWR 7 8 IC602...

Page 27: ...3 14 2 SDRAM CLOCK FIG 2 1 9 9 DCLK 128MHz Vp p 2 2 IC603 3 TRAY OPEN CLOSE SIGNAL FIG 3 1 10 11 12 13 11 IC601 10 12 13 TRIN TROUT TRCLOSE TROPEN...

Page 28: ...ISC CONDITION FIG 4 1 14 15 16 17 16 17 15 FMSO 1 9V 1 4V 1 1V STBY 3 3V SL 4 2V 2 8V 1 2V SL 4 2V 2 8V 1 5V 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION 18 19 20 18 FOSO 1 5V 1 4V 1 3V F 3 2V 2 7V...

Page 29: ...SER POWER CONTROL RELATED SIGNAL NO DISC CONDITION FIG 6 1 21 22 23 MDI1 0V 180mV LD02 3 3V 2 3V LD01 3 3V 2 3V IC601 7 DISC TYPE JUDGEMENT WAVEFORM 24 25 26 24 F FE RFL CN201 FIG 7 1 DVD 21 22 23 IC6...

Page 30: ...3 17 FIG 7 2 DVD F FE RFL FIG 7 3 CD F FE RFL...

Page 31: ...3 18 FIG 7 4 CD F FE RFL 8 FOCUS ON WAVEFORM 27 28 29 30 27 28 29 30 FE FOSO F F IC601 FIG 8 1 DVD...

Page 32: ...3 19 FIG 8 2 CD FE FOSO F F 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION 31 32 33 DMSO 1 4V 1 8V SP 3 6V 2 4V SP 3 6V 4 8V FIG 9 1 31 32 33...

Page 33: ...3 20 10 TRACKING CONTROL RELATED SIGNAL SYSTEM CHECKING 34 35 36 37 34 35 36 37 TE TRSO T T TE TRSO T T CN201 FIG 10 2 CD FIG 10 1 DVD IC601...

Page 34: ...3 21 11 MT1389S AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF FIG 11 1 38 12 MT1389S VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS FIG 12 1 JK701 2PIN 38 IC601...

Page 35: ...3 22 13 AUDIO OUTPUT FROM MT1389S FIG 13 1...

Page 36: ...3 23 CONNECTOR PICTURE 1 ALL CONNECTOR PICTURE...

Page 37: ...3 24 2 MAIN BOARD CONNECTOR PICTURE...

Page 38: ...3 25 CN201 MD 23PIN 3 CN201 CONNECTOR PICTURE CN202 MD 9PIN 4 CN202 CONNECTOR PICTURE...

Page 39: ...3 26 CN602 POWER 10PIN 6 CN602 CONNECTOR PICTURE CN601 Front 12PIN 5 CN601 CONNECTOR PICTURE...

Page 40: ...3 27 CN604 USB 4PIN 7 CN604 CONNECTOR PICTURE CN605 KARAOKE 4PIN 8 CN605 CONNECTOR PICTURE...

Page 41: ...3 28 CN705 5 1ch 12PIN 9 CN705 CONNECTOR PICTURE...

Page 42: ...PCLK I2CCLK FMSO DMSO TRSO FOSO OP IC201 AM5890S 5Ch Motor Drive STBY TROPEN TRCLOSE Pick up 5V 3 3VA IR RCV POWER BOARD PWR_CTL_H 5 6VA M 12V FP DATA FP STB FP CLK AC 90V 240V 50HZ 60Hz RESET Circuit...

Page 43: ...3V SWITCHING IC TRANS FEED B 3 3VA RECTIFIER 5 6V LPF RECTIFIER 14V LPF 12V PWR CTL 5V 5 6VA M RECTIFIER 3 3V LPF AC100 240V RECTIFIER MPEG Remocon R eceiver Flash Memory Motor Drive IC 1 8V SDRAM LED...

Page 44: ...USBN IC201 AM5890S 5Ch Motor Driver AL_R AR_R CENTER WOOFER 5 5 1C 1CH Opt Option HDMI TX 0 2 TXC H P D IC603 64M bit SDRAM RAMADD 0 11 RAMCAS RAMRAS RAMCS1 RAMCS0 RAMBA RAMWE RAMCKE PCLK RAMDAT 00 15...

Page 45: ...D A B C D RF CD A B C D E F RF PICKSEL1 SP SP M D DP11 PICK UP IM X601 IC601 MTK1389S DVDPLAYER ONE CHIP FMSO DMSO FOSO TRSO TROPEN TRCLOSE STBY F F T T LOAD LOAD 27MHz X TAL CDLD LD01 DVDLD LD02 V20...

Page 46: ...3 33 5 VIDEO HDMI BLOCK DIAGRAM Mpeg IC MT1389S IC601 V OUT Pr S VIDEO Y Y G Pb B Pr R CVBS Y_G Pb_B_SC Pr_R_ SY Y Pb Pr R G B CVBS SY SC RGB_H 16_9_H H P D TX 0 2 TXC HDMI JACK C Y_C MIX Pb Y C Y...

Page 47: ...DIAGRAM A_L A_R MPEG MT1389S IC601 MUTEC S W MUTE Serial Stereo Digital Out COAXl _SPDIF Optical _SPDIF Coaxial Optical AMP MC4580M IC702 A out R A Out L JACK Audio 8DAC 5 1ch Connector AL_R AR_R CEN...

Page 48: ...R NO CIR CUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE NAD ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT SPECI...

Page 49: ...3 37 3 38 2 MPEG CIRCUIT DIAGRAM...

Page 50: ...3 39 3 40 3 SERVO CIRCUIT DIAGRAM...

Page 51: ...3 41 3 42 4 JACK CIRCUIT DIAGRAM...

Page 52: ...3 43 3 44 5 SCART CIRCUIT DIAGRAM OPTION...

Page 53: ...3 45 3 46 6 USB CIRCUIT DIAGRAM 7 KEY CIRCUIT DIAGRAM...

Page 54: ...3 47 3 48 8 TIMER CIRCUIT DIAGRAM...

Page 55: ...023 0 024 209 0 023 0 024 210 0 018 0 021 211 0 019 3 218 212 1 831 1 829 213 0 0 214 2 945 2 936 215 1 539 1 533 216 3 241 3 251 217 1 892 1 698 218 0 002 0 002 219 0 002 0 002 220 0 002 0 002 MODE...

Page 56: ...02 C6E6 100 F 6 3V 3 165 0 003 C6E7 47 F 6 3V 2 012 0 002 C6E8 10 F 16V 1 852 0 002 C6E9 10 F 16V 3 227 0 002 C202 220 F 6 3V 3 257 0 001 C205 47 F 6 3V 3 252 3 209 C206 47 F 6 3V 3 252 2 254 C217 100...

Page 57: ...3 53 3 54 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW...

Page 58: ...3 55 3 56 2 POWER SMPS P C BOARD TOP VIEW BOTTOM VIEW 3 KEY P C BOARD TOP VIEW 4 TIMER P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW...

Page 59: ...3 57 3 58 5 SCART P C BOARD OPTION TOP VIEW BOTTOM VIEW 6 USB P C BOARD TOP VIEW BOTTOM VIEW...

Page 60: ...y Disc 4 3 1 1 1 Plate Clamp 4 3 1 1 2 Magnet Clamp 4 3 1 1 3 Clamp Upper 4 3 2 Tray Disc 4 3 3 Base Assembly Sled 4 4 3 1 Gear Feed 4 4 3 2 Gear Middle 4 4 3 3 Gear Rack 4 4 4 Rubber Rear 4 4 5 Frame...

Page 61: ...Gear Rack 1 Screw 4 3 9 1 2 7 11 Rubber Rear 4 3 1 2 7 12 Frame Assembly 1 Screw Bottom 4 4 Up Down 1 2 13 Belt Loading 1 Locking Tab 4 4 1 2 13 14 Gear Pulley 4 4 1 2 13 14 15 Gear Loading 1 Locking...

Page 62: ...lamp 1 1 3 Clamp Upper 2 TRAY DISC FIG 4 2 1 Insert and push a Driver in the emergency eject hole A at the right side or put the Driver on the Lever B of the Gear Emergency and pull the Lever B in dir...

Page 63: ...Gear Middle 3 3 Gear Rack 1 Release the Scerw S3 4 RUBBER REAR FIG 4 3 BASE PU RUBBER DAMPER RUBBER DAMPER RUBBER DAMPER Distinguish upper and lower sides Assemble with care Distinguish upper and low...

Page 64: ...9 GUIDE UP DOWN FIG 4 4 1 Move the Guide Up Down in direction of arrow A as Fig A 2 Push the Locking Tab L5 down and then lift up the Guide Up Down to separate it from the Base Main Note When reassemb...

Page 65: ...4 6 MEMO...

Page 66: ...442 442 010 442 012 012 037 012 019 026 440 015 017 013 439 018 A02 A26 A01 001 002 003 014 015A 015B 016 020 435 A03 4 7 4 8 EXPLODED VIEW 1 DECK MECHANISM EXPLODED VIEW DP 12V...

Page 67: ...4 9 4 10 MEMO MEMO...

Page 68: ...cking CUTTING EPS DVD DV300 N_NAD 91 804 3880SCS001G Bag CUTTING HDPE 100 100 0 05 BAG NSP 808 534 008C Dry Cell Battery AAA R03 1PAIR 1 5V 50MAH AAA 900 6711R2N124D Remote Controller Assembly NAD DV3...

Page 69: ...V C126 624 085D Capacitor AL Radial KME5 0TP50VB47M 47uF 20 50V 1 C128 0CQ1042K409 Capacitor Film DIP 310M 1H 104 J 100nF 5 50V PE C153 0CE4754K638 Capacitor AL Radial ESS475M050T1A5B07G 4 7uF 20 5 C1...

Page 70: ...0 1OHM 5 2W 12 0X4 R103 0RS5602K619 Resistor Metal Oxide Film SML02R0J56K0 56KOHM 5 2W 8 6X R105 0RD0472F608 Resistor Carbon Film RD 96S1J47R0 47OHM 5 1 6W 3 2 R121 0RD1001F608 Resistor Carbon Film RD...

Page 71: ...Tact SKRGAED010 1C1P 12VDC 0 05A VE SW904 556 219B Switch Tact THVV502GAA 1C1P 12VDC 0 05A HO SW904 556 219D Switch Tact TSTB 2 THVV502 1C1P 12VDC 0 0 SW904 6600R000036 Switch Tact EVQ22505R 1C1P 15VD...

Page 72: ...DR104009AB Diode Rectifier RL104R 400V 1 1V 5UA 30A 1NSEC L201 0LR0102J025 Inductor Wire Wound Radial EL0405RA 100J 3 10UH 5 0V 353 L202 0LR0102J025 Inductor Wire Wound Radial EL0405RA 100J 3 10UH 5 0...

Page 73: ...5V1H473ZT 47nF 20TO 80 C656 0CH1104K942 Capacitor Ceramic Chip 0603F104Z500CT 100nF 20TO 80 C657 0CH1104K942 Capacitor Ceramic Chip 0603F104Z500CT 100nF 20TO 80 C658 0CH1104K942 Capacitor Ceramic Chip...

Page 74: ...K412 Capacitor Ceramic Chip 0603N101J500LT 100pF 5 50V C0 C736 0CH4681K412 Capacitor Ceramic Chip 0603N681J500LT 680pF 5 50V C0 C737 0CH4681K412 Capacitor Ceramic Chip 0603N681J500LT 680pF 5 50V C0 CN...

Page 75: ...1980SY PNP 5V 50V 50V 0 Q705 0TR387509AC TR Bipolar KTC3875S GR ALG NPN 5V 60V 50 Q705 0TRON80009A TR Bipolar BC846ALT1 NPN 6V 80V 65V 100MA Q705 0TRAU80017A TR Bipolar 2SC5343SG NPN 5V 60V 50V 150MA...

Page 76: ...167001 Wire Pad WIRE PAD WIRE PAD 1 ALMIT R630 EBC40167001 Wire Pad WIRE PAD WIRE PAD 1 ALMIT R631 0RH4701C622 Resistor Chip MCR03EZPJ472 4 7KOHM 5 1 10W R632 0RH4701C622 Resistor Chip MCR03EZPJ472 4...

Page 77: ...p MCR03EZPJ752 7 5KOHM 5 1 10W R763 0RH2202C622 Resistor Chip MCR03EZPJ223 22KOHM 5 1 10W 1 R764 0RH3300C622 Resistor Chip MCR03EZPJ331 330OHM 5 1 10W 1 R765 0RH3300C622 Resistor Chip MCR03EZPJ331 330...

Page 78: ...Wire Wound Axial LAL02TA1R0K 1UH 10 270MA 0 F302 0LA0101K018 Inductor Wire Wound Axial LAL02TA1R0K 1UH 10 270MA 0 F303 0LA0101K018 Inductor Wire Wound Axial LAL02TA1R0K 1UH 10 270MA 0 JK301 6612M0000...

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