Advertisement

Quick Links

© NAD 2004
T514AH
NAD ELECTRONICS INTERNATIONAL
DVD VIDEO PLAYER
TORONTO

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the T514AH and is the answer not in the manual?

Questions and answers

Summary of Contents for NAD T514AH

  • Page 1 © NAD 2004 T514AH NAD ELECTRONICS INTERNATIONAL DVD VIDEO PLAYER TORONTO...
  • Page 2 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..MECHANISM SECTION 5 ..REPLACEMENT PARTS LIST...
  • Page 3: Table Of Contents

    SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ......1-3 SERVICING PRECAUTIONS ....................1-4 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices SPECIFICATIONS ........................1-5...
  • Page 4: Product Safety Servicing Guidelines For Video Products

    PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION.
  • Page 5: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this service Electrostatically Sensitive (ES) Devices data and its supplements and addends, read and follow the Some semiconductor (solid state) devices can be damaged SAFETY PRECAUTIONS. NOTE : if unforeseen circum- easily by static electricity.
  • Page 6: Specifications

    SPECIFICATIONS • GENERAL Power requirements: AC 110-240 V , 50/60 Hz Power consumption: Dimensions (Approx.): 430 x 39 x 242 mm (W x H x D) without foot Weight (Approx.): 2.2 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 1. EXPLODED VIEWS ........................2-2 1. Cabinet and Main Frame Section ...................2-2 2. Packing Accessory Section ....................2-3...
  • Page 8: Cabinet And Main Frame Section

    EXPLODED VIEWS 1. Cabinet and Main Frame Section SCART, 5.1CH MODEL ONLY KARAOKE MODEL ONLY...
  • Page 9: Packing Accessory Section

    2. Packing Accessory Section RF CABLE 810 CABLE SET ASS'Y PLUG ASS'Y 1WAY(YELLOW) PLUG ASS'Y 2WAY BATTERY PLUG ASS'Y 1WAY(BLACK) REMOCON OWNER'S MANUAL PACKING SHEET PACKING PACKING BOX CARTON OPTIONAL PARTS...
  • Page 10 SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE ..............3-2 1. Power check flow........................3-2 2. System operation flow ......................3-3 3. Test & debug flow ........................3-4 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING ....3-10 1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL.............3-10 2.
  • Page 11: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. Power check flow No VF+ No 5V_A Is 5.2VA section working? Is 5.2VA section working? Is 5.2V present at emitter Check F102 No 5.2VA of Q107? Replace D102. Check F101 Replace Q107. Is there a DC voltage at Replace R101.
  • Page 12: System Operation Flow

    2. System operation flow Power On 1. 8032 initializes SERVO, DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO Tray Closed? Tray Close to Closed position SLED at Inner Side ? SLED Moves to Inner Positi on 1.
  • Page 13: Test & Debug Flow

    3. Test & debug flow TEST Check the AC Voltage Replace power PCBA or Power PCBA(110V or 220V) AC transformer. Switch on the Power PCBA Is the DC Voltage Repair or Replace Power PCBA outputs OK? (5V,1.8V,3.3V,8V,12V) Make sure the main PCBA don't short on VCCs and switch it on.
  • Page 14 RESET or Power On. Check connection lines between FLASH Flash Memory operates & MT1389 and the FLASH access time Show LOGO? properly? whether is suitable or not. Check connection lines between SDRAM works properly? SDRAM & MT1389 and the SDRAM is damaged.
  • Page 15 Does the SLED move Motor Driver STBY Check the connection line of to inner side when it is at Pin is High? STBY signal. outter position? Is FMSO DC Level higher Check the related circuit of than 1.4V? FMSO. SL+ and SL- output Check the amp circuit on motor properly? driver.
  • Page 16 Check the laser power circuit Laser turns on when LD01 or LD02 output on MT1336 and connecting to reading disc? 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 17 YE S Proper signals on Check connections between Focus ON OK? A,B,C,D of MT1389 MT1389 and pick-up head. Check the FOSO connection on Check FEO signal MT1389 and motor driver. on MT1389 Check FOSO signal on MT1389 Check the related Normal TEO Signal on Track On OK? circuit on MT1389...
  • Page 18 Normal Audio output Audio DAC received Check connection between MT1379 when disc playback? correct data stream? & Audio DAC. Normal Audio DAC Check the related out? circuit of Audio DAC. Check Audio filter,amplify,mute circuit. Communications between Normal IR.VFD & Front Check communication lines on IR.VFD Front pannel k ey &...
  • Page 19: Details And Waveforms On System Test And Debugging

    DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL. 1) MT1389 main clock is at 27MHz(X501) FIG 1-1 2) MT1389 reset is low active. FIG 1-2 3-10...
  • Page 20 3) RS232 waveform during procedure(Downloading) FIG 1-3 4) Flash R/W enable signal during download(Downloading) FIG 1-4 3-11...
  • Page 21: Sdram Clock

    2. SDRAM CLOCK FIG 2-1 3. TRAY OPEN/CLOSE SIGNAL FIG 3-1 3-12...
  • Page 22: Sled Control Related Signal(No Disc Condition)

    4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) FIG 4-1 5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) FIG 5-1 3-13...
  • Page 23: Laser Power Control Related Signal(No Disc Condition)

    6. LASER POWER CONTROL RELATED SIGNAL (NO DISC CONDITION) FIG 6-1 7. DISC TYPE JUDGEMENT WAVEFORM FIG 7-1 3-14...
  • Page 24 FIG 7-2 (DVD) FIG 7-3 (CD) 3-15...
  • Page 25: Focus On Waveform

    FIG 7-4 (CD) 8. FOCUS ON WAVEFORM FIG 8-1 (DVD) 3-16...
  • Page 26: Spindle Control Waveform

    FIG 8-2 (CD) 9. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) FIG 9-1 3-17...
  • Page 27: Tracking Control Related Signal(System Checking)

    10. TRACKING CONTROL RELATED SIGNAL(System checking) FIG 10-1 (DVD) FIG 10-2 (CD) 3-18...
  • Page 28: Mt1389 Audio Optical And Coaxial Output (Spdif)

    11. MT1389 AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) FIG 11-1 (DVD) 12. MT1389 VIDEO OUTPUT WAVEFORM 1) 100% FIG 12-1 3-19...
  • Page 29: Mt1389 Audio Output To Audio Dac

    2) COMPOSITE VIDEO SIGNAL FIG 12-2 13. MT1389 AUDIO OUTPUT TO AUDIO DAC ASDATA3 FIG 13-1 3-20...
  • Page 30: Audio Output From Audio Dac

    14. AUDIO OUTPUT FROM AUDIO DAC FIG 14-1 3-21...
  • Page 31: Block Diagrams

    BLOCK DIAGRAMS 1. Overall Block Diagram CVBS 3-22...
  • Page 32: Power(Smps) Block Diagram

    2. Power(SMPS) Block Diagram TRANS SWITCHING IC RECTIFIER LINE FILTER 3-23...
  • Page 33: Servo Block Diagram

    3. SERVO Block Diagram 3-24...
  • Page 34: Mpeg & Memory Block Diagram

    4. MPEG & MEMORY Block Diagram 3-25...
  • Page 35: Video & Audio Block Diagram

    5. VIDEO & AUDIO Block Diagram 3-26...
  • Page 36: Circuit Diagrams

    2. Voltages are DC-measured with a digital voltmeter MODIFIED OR ALTERED WITHOUT PERMISSION IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode. FROM THE NAD ELECTRONICS CORPORATION. ALL PERFORMANCE IMPROVEMENT CHANGES INTO COMPONENTS SHOULD BE REPLACED ONLY WITH THE SET IS NOT DELAYED UNTIL THE NEW SERVICE TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR- LITERATURE IS PRINTED.
  • Page 37: Av/Jack Circuit Diagram

    2. AV/JACK CIRCUIT DIAGRAM 3-29 3-30...
  • Page 38: System Circuit Diagram

    3. SYSTEM CIRCUIT DIAGRAM 3-31 3-32...
  • Page 39: Driver Circuit Diagram

    4. DRIVER CIRCUIT DIAGRAM CD/DVD LD will not on 3-33 3-34...
  • Page 40: Timer Circuit Diagram

    5. TIMER CIRCUIT DIAGRAM Digital abnormal Remocon not operate System not operate or Digitron abnormal or Key not operate. Remocon not operate Digital abnormal 3-35 3-36...
  • Page 41 6. 5.1CH/SCART CIRCUIT DIAGRAM (KARAOKE MODEL ONLY) 3-37 3-38...
  • Page 42: Circuit Voltage Chart

    • CIRCUIT VOLTAGE CHART MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE STOP PLAY HOLD STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 43: Printed Circuit Diagrams

    PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE 3-41 3-42...
  • Page 44: Key P.c.board

    2. KEY P.C.BOARD (Solder Side) 3. TIMER P.C.BOARD (Solder Side) 3-43 3-44...
  • Page 45: Scart & 5.1Ch P.c.board(Optional Part)

    4. SCART & 5.1CH P.C.BOARD(OPTIONAL PART) 5. SMPS P.C.BOARD (Solder Side) (Solder Side) 3-45 3-46...
  • Page 46 SECTION 4 MECHANISM (DP-8) CONTENTS 5. Frame Assembly Up/Down ....4-4 DECK MECHANISM PARTS 6. Belt Loading........4-4 LOCATIONS 7. Gear Pulley ........4-4 8. Gear Loading ........4-4 • Top View..........4-1 9. Guide Up/Down.........4-4 • Top View(without Tray Disc) ....4-1 • Bottom View ...........4-1 10.
  • Page 47: Bottom View

    DECK MECHANISM PARTS LOCATION • Top View (With Tray) Procedure Disass Fig- Parts Fixing Type embly Starting No. Main Base Clamp Assembly Disc 1, 2 Plate Clamp 1, 2, 3 Magnet Clamp 1, 2, 3, 4 Clamp Upper Tray Disc 1, 6 Base Assembly Sled 1, 2, 6...
  • Page 48 DECK MECHANISM DISASSEMBLY Fig. 4-1 Fig. 4-2 1. Main Base (Fig. 4-1) 2. Tray Disc (Fig. 4-2) 1-1. Clamp Assembly Disc 1) Insert and push a Driver in the emergency eject hole(A) at the right side, or put the Driver on the 1) Place the Clamp Assembly Disc as Fig.
  • Page 49 DECK MECHANISM DISASSEMBLY Fig. 4-3 3. Base Assembly Sled (Fig. 4-3) 3-3. Gear Rack 1) Release the Scerw(S3) 1) Release 4 Screw(S2). 2) Disconnect the FFC Connector(C1) 4. Rubber Rear (Fig. 4-3) 3-1. Gear Feed 3-2. Gear Middle...
  • Page 50 DECK MECHANISM DISASSEMBLY Fig. 4-4 5. Frame Assembly Up/Down (Fig. 4-4) 8. Gear Loading (Fig. 4-4) 9. Guide Up/Down (Fig. 4-4) Note 1) Move the Guide Up/Down in direction of arrow(A) as Put the Base Main face down(Bottom Side) Fig.(A) 1) Release the screw(S4) 2) Push the Locking Tab(L5) down and then lift up the 2) Unlock the Locking Tab(L3) in direction of arrow and...
  • Page 52 EXPLODED VIEWS 1. Deck Mechanism Exploded View 015A 012B 012A 012C 024A 035A...
  • Page 54: Replacement Parts List

    CHASSIS ASSEMBLY DVN8021NCM(T514AH) MAIN 3140R-D002B CHASSIS DV7000 PRESS WITH FOOT 5040R-5040C RUBBER DVD DVN8000 OTHER FOOT D17.5X 3720R-D123B PANEL,VIDEO DVD DVN8021NCM(T514AH) PRESS B 353-046N SCREW,DRAWING SPECIAL(3X8 BK.) *** BOARD ASSEMBLY *** 3501RF6993A BOARD ASSEMBLY DVD DVN8021NCM HA1UNN FRONT 3721R-F883A PANEL ASSEMBLY,FRONT...
  • Page 55 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R908 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R909 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R910 0RH3301C622 RESISTOR,METAL GLAZED(CHIP) 3.3K OHM 1 / 16 W 1608 5.00% D R911 0RH3300C622 RESISTOR,METAL GLAZED(CHIP)
  • Page 56 6611R1G001A PLUG ASSY 1WAY YELLOW GLOBAL 6611R2G001A PLUG ASSY 2WAY RED/WHITE GLOBAL *** PWB(PCB) ASSEMBLY,TOTAL *** 6871R-7195O PWB(PCB) ASSEMBLY,TOTAL DVN8000S MTK1389 NAD SMPS NARR BC101 636-004C FILTER(CIRC),EMC BEAD CORE BFS3550R2FD8,R T/P BD101 0DD160000DA DIODE,RECTIFIERS S1WBA60 BK SHINDENGEN - 600V -...
  • Page 57 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS D106 0DRRE00029A DIODE,RECTIFIERS 1N17 RECTRON TP NON 20V 1A 20 D107 0DD010009AC DIODE,RECTIFIERS EU01W(R-FORM) TP SANKEN D107 0DRGF00239A DIODE,RECTIFIERS FR104E GULF TP NON 400V 1A 30A ALTERNATE D107 0DR104009BA DIODE,RECTIFIERS RL104F TP RECTRON - 400V 1A 30 ALTERNATE D108 0DD010009AC...
  • Page 58 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R131 0RD2201F608 RESISTOR,FIXED CARBON FILM 2.2K OHM 1/6 W 5% TA26 R132 0RD1002F608 RESISTOR,FIXED CARBON FILM 10K OHM 1/6 W 5% TA26 R140 0RD1001F608 RESISTOR,FIXED CARBON FILM 1K OHM 1/6 W 5% TA26 R141 0RD1001F608 RESISTOR,FIXED CARBON FILM...
  • Page 59 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C546 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C549 0CK474CF94A CAPACITOR,FIXED CERAMIC(HIGH D 0.47UF 1608 16V 80%,-20% R/TP C551 0CH4391K412 CAPACITOR,CHIP[CERAMIC M/L TC 390PF 50V J NP0 1508 R/TP C552 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD...
  • Page 60 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C613 0CH4271K412 CAPACITOR,FIXED CERAMIC(HIGH D 270PF 50V 5% NP0 1608 R/TP C614 0CH4271K412 CAPACITOR,FIXED CERAMIC(HIGH D 270PF 50V 5% NP0 1608 R/TP C615 0CH1102K562 CAPACITOR,FIXED CERAMIC(TEMP.C 1000PF 50V 10% X7R(X) 1608 R/T C618 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD...
  • Page 61 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS L601 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L602 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L673 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L674 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L690 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP Q201 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC...
  • Page 62 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R224 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R225 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R226 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R227 0RH5601C622 RESISTOR,METAL GLAZED(CHIP)
  • Page 63 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R5D2 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R5E7 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R600 0RH1001C622 RESISTOR,METAL GLAZED(CHIP) 1K OHM 1 / 16 W 1608 5.00% D R601 0RH0000C622 RESISTOR,METAL GLAZED(CHIP)
  • Page 64 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R6A1 0RH0752C622 RESISTOR,METAL GLAZED(CHIP) 75 OHM 1 / 16 W 1608 5.00% D R6A2 0RH0752C622 RESISTOR,METAL GLAZED(CHIP) 75 OHM 1 / 16 W 1608 5.00% D R6A3 0RH0752C622 RESISTOR,METAL GLAZED(CHIP) 75 OHM 1 / 16 W 1608 5.00% D R6A4 0RH0752C622 RESISTOR,METAL GLAZED(CHIP)
  • Page 65 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C651 0CE1086C638 CAPACITOR,FIXED ELECTROLYTIC 1000000000 PF SMS,SG 6.3V M FM C655 0CE1086C638 CAPACITOR,FIXED ELECTROLYTIC 1000000000 PF SMS,SG 6.3V M FM C659 0CE4775C638 CAPACITOR,FIXED ELECTROLYTIC 470UF SR,SV 6.3V 20% FM5 TP 5 C663 0CE4775C638 CAPACITOR,FIXED ELECTROLYTIC...

Table of Contents