NAD T531AH Service Manual Download Page 65

Page: 65 / 69

5-11

LOCA.NO PART NO(LG)

A B C DESCRIPTION

SPECIFICATION

REMARKS

R2N6

0RH0000C622

O RESISTOR,METAL GLAZED(CHIP)

0 OHM 1 / 16 W 1608 5.00% D

R2N8

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R2N9

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R2P1

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R2P2

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R2P6

0RH1001C622

O RESISTOR,METAL GLAZED(CHIP)

1K OHM 1 / 16 W 1608 5.00% D

R2Q7

0RH6801C622

O RESISTOR,METAL GLAZED(CHIP)

6.8K OHM 1 / 16 W 1608 5.00% D

R2Q8

0RH3301C622

O RESISTOR,METAL GLAZED(CHIP)

3.3K OHM 1 / 16 W 1608 5.00% D

R301

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R302

0RH1001C622

O RESISTOR,METAL GLAZED(CHIP)

1K OHM 1 / 16 W 1608 5.00% D

R303

0RH4701C622

O RESISTOR,METAL GLAZED(CHIP)

4.7K OHM 1 / 16 W 1608 5.00% D

R306

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R307

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R308

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R309

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R310

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R311

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R312

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R313

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R314

0RH1002C622

O RESISTOR,METAL GLAZED(CHIP)

10K OHM 1 / 16 W 1608 5.00% D

R315

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R316

0RH1200C622

O RESISTOR,METAL GLAZED(CHIP)

120 OHM 1 / 16 W 1608 5.00% D

R317

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R318

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R319

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R320

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R321

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R322

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R323

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R324

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R325

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R326

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R327

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R328

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R329

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R330

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R331

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R332

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R333

0RH0332C622

O RESISTOR,METAL GLAZED(CHIP)

33 OHM 1 / 16 W 1608 5.00% D

R335

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R340

0RH1181C422

O RESISTOR,METAL GLAZED(CHIP)

1.18K OHM 1 / 16 W 1608 1.00%

R341

0RH1001C622

O RESISTOR,METAL GLAZED(CHIP)

1K OHM 1 / 16 W 1608 5.00% D

R342

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R343

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R344

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R345

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R346

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R347

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R348

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R349

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R350

0RH0331D622

O RESISTOR,METAL GLAZED(CHIP)

3.3 OHM 1 / 10 W 2012 5.00% D

R351

0RH0331D622

O RESISTOR,METAL GLAZED(CHIP)

3.3 OHM 1 / 10 W 2012 5.00% D

R391

0RH3300C622

O RESISTOR,METAL GLAZED(CHIP)

330 OHM 1 / 16 W 1608 5.00% D

R392

0RH3300C622

O RESISTOR,METAL GLAZED(CHIP)

330 OHM 1 / 16 W 1608 5.00% D

R393

0RH0000C622

O RESISTOR,METAL GLAZED(CHIP)

0 OHM 1 / 16 W 1608 5.00% D

R394

0RH2700C622

O RESISTOR,METAL GLAZED(CHIP)

270 OHM 1 / 16 W 1608 5.00% D

R395

0RH1000C622

O RESISTOR,METAL GLAZED(CHIP)

100 OHM 1 / 16 W 1608 5.00% D

R396

0RH0752C622

O RESISTOR,METAL GLAZED(CHIP)

75 OHM 1 / 16 W 1608 5.00% D

R397

0RH0752C622

O RESISTOR,METAL GLAZED(CHIP)

75 OHM 1 / 16 W 1608 5.00% D

R398

0RH0752C622

O RESISTOR,METAL GLAZED(CHIP)

75 OHM 1 / 16 W 1608 5.00% D

R399

0RH0752C622

O RESISTOR,METAL GLAZED(CHIP)

75 OHM 1 / 16 W 1608 5.00% D

R3K1

0RH1004C622

O RESISTOR,METAL GLAZED(CHIP)

1M OHM 1 / 16 W 1608 5.00% D

R401

0RD0102F608

O RESISTOR,FIXED CARBON FILM

10 OHM 1/6 W 5.00% TA26

R402

0RD4701F608

O RESISTOR,FIXED CARBON FILM

4.7K OHM 1/6 W 5.00% TA26

R403

0RD0102F608

O RESISTOR,FIXED CARBON FILM

10 OHM 1/6 W 5.00% TA26

R406

0RD1002F608

O RESISTOR,FIXED CARBON FILM

10K OHM 1/6 W 5.00% TA26

R407

0RD5601F608

O RESISTOR,FIXED CARBON FILM

5.6K OHM 1/6 W 5.00% TA26

R408

0RD2201F608

O RESISTOR,FIXED CARBON FILM

2.2K OHM 1/6 W 5.00% TA26

Summary of Contents for T531AH

Page 1: ...AL SERVICE MANUAL T531B T531C T531AH DVD VIDEO PLAYER MODELS T531B T531C T531AH SERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO T531B T531C T531AH DVD VIDEO PLAYER T531B T531C T531AH DVD VIDEO PLAYER ...

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

Page 3: ...MMARY 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: ...se 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 Specified internal wiring Note especially 1 Double insulated wires 2 High voltage leads 4 Use specified insulating materials for hazardous live parts Note especially 1 Insulation Tape 2 PVC tubing 3 Spacers...

Page 5: ...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 current between B earth ground power cord plug prongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals micro phone jacks earphone jacks etc...

Page 6: ...istortion digital audio 0 008 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 outputs 1 0V p p 75Ω negative sync RCA jack x 1 SCART TO TV T531C ONLY S video outputs Y 1 0V p p 75Ω negative sync Mini DIN 4 pin x 1 C 0 286V p p 75Ω Audio output digital audio 0 5V p p 75Ω RCA jack X 1 Audio outpu...

Page 7: ...1 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 5 ...

Page 8: ...ews 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 Tray Door Disc Tray Front Panel Stopper Stopper B CABINET DISASSEMBLY 1 Top Case 1 Release 7 screws A See Fig 2 1 2 Lift the top case with holding the back of it and remove it in the direction of the arrow Fig 2 1 Fig 2 2 Fig 2 3 3 Front Panel 1 Ej...

Page 9: ...t Board 4 Remove Main Circuit Board from Interface Board 5 Remove 2 screw D 6 Remove Interface Board from the chassis CIRCUIT BOARD DISASSEMBLY Note Before removing the main circuit board be sure to shortcircuit the laserdiode output land After replacing the main circuit board open the land after inserting the flexible connector Refer to Mechanism Disassembly 2 Digitron and Key Circuit Board 1 Rem...

Page 10: ...PLODED VIEWS 1 Cabinet and Main Frame Section 280 465 467 465 465 463 A46 463 463 275 332 P B P 0 0 P B T 0 0 283 260 467 300 467 A48 A43 250 462 462 463 463 452 452 285 OPTIONAL PART Scart A 5 4 3 2 1 B C D ...

Page 11: ...king Accessory Section BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 806 OWNER S MANUAL RF CABLE 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y 1WAY PLUG ASS Y 2WAY ...

Page 12: ... Diagram 3 19 5 MPEG Block Diagram 3 17 6 µ COM Block Diagram 3 18 CIRCUIT DIAGRAMS 3 19 1 Power SMPS Circuit Diagram 3 19 2 DVD DSP Circuit Diagram 3 23 3 Drive RF Circuit Diagram 3 25 4 MPEG Circuit Diagram 3 27 5 Audio DM Circuit Diagram 3 29 6 µ COM Expander 3 31 7 DIGITRON Key Circuit Diagram 3 33 8 Scart Circuit Diagram 3 35 9 Jack Circuit Diagram 3 37 CIRCUIT VOLTAGE CHART 3 39 WAVEFORMS 3 ...

Page 13: ...ce R111 Replace BD101 Bridge rectifier Check Fuse F101 Is R111 1Ω Check D105 Replace Q101 102 Is 5 2V applied to IC108 Pin 1 Is there a DC voltage at the terminal of BD101 Check R127 128 SHUTDOWN CKT 1 Power SMPS Circuit No VF Is 5 2VA section working Replace D109 Is oscillation present at the anode of D109 NO NO NO NO YES YES YES YES YES YES YES YES A B NO NO NO ...

Page 14: ...rmal Does no DISC appear Does Hello appear at FLD Is P5901 connected normally Is P5901 Pin 23 normal The waveform on A 00 21 and D 00 15 of IC501 normal Are IC506 Pins 7 8 normal Replace Main B D Check the oscillation Check short OK Replace IC501 or IC503 Check power Refer to power If power is normal OK POWER ON 1 1 YES YES YES YES YES YES YES YES A NO NO NO NO NO NO NO NO NO NO A ...

Page 15: ... OK YES If OK Check MPEG_CLK Signal of MPEG part Refer to Audio part Refer to MPEG part Replace B D Check Front Reconnect it Refer to SERVO part Check the connection of MD AUDIO ABNORMAL OPEN CLOSE ABNORMAL C Video abnormal Check Video jack YES If OK YES If OK YES If OK YES If OK Refer to Video part Refer to Encoder part Refer to MPEG part Replace B D VIDEO ABNORMAL ...

Page 16: ... disc If OK YES If OK YES If OK Refer to Servo part Check MPEG_CLK Signal of MPEG part Check DSP Check MPEG YES If OK Replace B D PICTURE ABNORMAL F Disc Error Check Disc YES If OK YES If OK Refer to Servo part Replace B D DISC ERROR ...

Page 17: ...ing 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 Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check clock signal Check clock signal YES YES YES YES YES YES YES YES YES YES NO NO NO OK OK OK ...

Page 18: ...in 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 R903 R912 R904 R905 R941 R906 R907 Solder defective parts again Solder defective parts Replace IC901 Solder Key part Check Power Replace IC902 Replace IC901 Replace LED901 Replace RC901 Re solder Recheck Replace IC901 Complete repairing Front B D NO NO NO NO NO NO N...

Page 19: ...s 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 µ COM Part Replace X301 or IC304 30MHz clock defect CHECK POINT General 5 RF Servo Circuit A END NO NO NO NO NO YES YES YES YES YES ...

Page 20: ...ve up and down Check Focus Driver output IC201 Pin 83 IC2M1 Pins 32 33 Check SLED Driver output IC201 Pin 88 IC2M1 Pins 35 36 IC201 Pin 88 no output IC201 is defective IC2M1 Pin 19 no output IC2M1 is defective IC201 Pin 83 no output IC201 is defective IC2M1 Pins 24 41 no output IC2M1 is defective DECK assembly is defective Slide the pick up to inner track Power on Check loading Part Push Pick up t...

Page 21: ...ppear OPEN CLOSE Replace µ COM 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 6 is abnormal Check IC2M1 Pin 18 PMD03 Pin 6 turn when the IC2M1 Pin 21 is less than 2 2V Check A Video Part is defective Check 5 MPEG Circuit Check 7 OSD Video Circuit Replace µ COM part IC2A1 is defectiv...

Page 22: ...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 clock at the IC201 Pins 28 30 Both are normal IC201 is defective Replace IC2A1 CHECK A D END NO NO NO NO YES YES YES YES ...

Page 23: ...EQB MON SPINDLE_DRV FDO TDO FMO AC100 240V 50 60Hz FL DISPLAY REMOCON RECEIVER KEY Input SPINDLE_FG POWER CONTROL SENS FOK MIRR MSDATO DEFECT DSP_SENSE SQSO SQCK SCOR AO 0 5 XLAT S_CLK S_DATA DO 0 7 PICK UP IC2A1 33P3721 RF Signal Processor IC205 DRAM GM7IC4260CJ 256K x 16bit IC201 DVDSP 3301 CD DVD DSP DVD SERVO IC501 SH7034 MAIN u COM IC301 ZiVA 4 1 MPEG A V Decoder SW602 SLD SW IC302 GM72V1621 ...

Page 24: ... FMO AC100 240V 50 60Hz FL DISPLAY REMOCON RECEIVER KEY Input SPINDLE_FG POWER CONTROL SENS FOK MIRR MSDATO DEFECT DSP_SENSE SQSO SQCK SCOR AO 0 5 XLAT S_CLK S_DATA DO 0 7 PICK UP IC2A1 33P3721 RF Signal Processor IC205 DRAM GM7IC4260CJ 256K x 16bit IC201 DVDSP 3301 CD DVD DSP DVD SERVO IC501 SH7034 MAIN u COM IC301 ZiVA 4 1 MPEG A V Decoder SW602 SLD SW IC302 GM72V1621 1M x 16bit SDRAM IC303 GM72...

Page 25: ...Block Diagram RECTIFIER FLD RECTIFIER LINE FILTER RECTIFIER 14V LPF REG 8V REG 3 3V REG 3 3V PWR ON OFF F F 24VA 12VA 8V 5 2VA 5V_D 5V_A 3 3V 2 5V LPF RECTIFIER 9V RECTIFIER 5 2V 3 3V M TRANS LPF FEED B SWITCHING TR NAD ...

Page 26: ...SBADD SENS FOK SLD_FG MSDATO DEFECT DSP_SENSE SQSO SQCK SCOR XLAT S_CLK S_DATA DSP_CS WR RD DO 0 7 AO 0 5 DVD_DATA 0 7 MCK UCOM I F MPEG I F UCOM I F M D DVD CD RF MIRR TZC ICADDR 0 8 ICDATA 00 15 MON MDP FDO TDO FMO Spindle focus tracking loading sled SPINDLE_FG Load open close loading control CD A B C D E F 4 4 5 3 3 3 8 6 8 8 2 4 9 16 NAD 3 RF CD DSP DVD DSP DVD SERVO Block Diagram ...

Page 27: ...4 Audio Block Diagram IC402 LPF Buffer NJM4580D OP AMP IC401 PCM1716 Audio DAC U COM I F DAC_RST S_DATA S_CLK DAC_L0 DA_LRCK DA_BCK DA_XCK DA_DATA0 MPEG I F A V JACK I F L R L R NAD 3 16 ...

Page 28: ...27MHz X TAL U COM I F DVD_DATA 0 7 DAI_DATA DA_DATA 0 3 DA_BCK DA_XCK DA_LRCK SPDIF AUDIO I F A V JACK I F MPEG_CLK 8 SDCLK1 ZISENB REQZ1 2 2 A 00 02 D 00 07 MPEG_ERROR MPEG_RST DVD_SD_CS0 DVD_UDQM DVD_MD 0 15 DVD_MA 0 11 DVD_SD_CAS DVD_SD_RAS DVD_SD_CLK DVD_MWE DVD_LDQM DVD_SD_CS1 8 4 4 2 12 16 3 CVBS Y SEL Y G PB B PR R CVBS Y C Y G PB B PR R SW602 V SWITCH NAD ...

Page 29: ...C_RST Y_SEL MPEG_ERROR DAC_L0 RF_LAT DSP_CS MPEG_CS PP_CS 16 Y_SEL MPEG_RST PWR_CTL SENS LIMIT_SW MIC_ON CLOSE_SW OPEN_SW MPEG_WAIT 16 9 MPEG_RST M_RESET M_RESET RXD0 TXD0 SCK0 F_REQ MODE_SW M_REQ ECHO IIC_CLK IIC_DATA SENS_MCOM MICOM_WAIT IOCS1 WR D 00 04 A 19 21 A 01 19 D 00 15 A 01 09 D 00 15 A 01 21 D 00 15 D 00 07 DAC_RST E_DR S_XRST XLAT ACT_MUTE LOAD_OPEN LOAD CLOSE PWR_RST EXP_W2 PWR_CTL 2...

Page 30: ...CIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC me...

Page 31: ...N THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED 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 Power oscillator ...

Page 32: ... 24 5 5 6 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM NAD IC204 is defective Scratched CD Audio abnormal IC203 is defective AD Converter Error No tracking Focus control 2 DVD DSP CIRCUIT DIAGRAM ...

Page 33: ... DRIVE RF CIRCUIT DIAGRAM 4 1 1 6 2 3 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM NAD 3 25 3 26 IC2A2 is defective No fucus tracking control Q2A1 Q2A2 are defective CD DVD LD will not be on ...

Page 34: ...3 27 3 28 4 MPEG CIRCUIT DIAGRAM NO DVD SCREEN DISPLAY NO VCD SCREEN DISPLAY NO CD SOUND OUT NO 2CH AUDIO OUT NO 2CH AUDIO OUT 1 7 2 4 3 5 6 WAVEFORM NAD IC302 IC303 are defective A V out bad ...

Page 35: ...5 AUDIO DM CIRCUIT DIAGRAM 2CH L SIGNAL 2CH R SIGNAL 01 09 10 R10674A NAD Q401 is defective 2CH Audio out bad IC403 is defective Audio bad IC402 is defective 2CH Audio out bad IC401 is defective 2CH Audio out bad ...

Page 36: ... 6 µ COM EXPANDER CIRCUIT DIAGRAM FLASH ROM DRAM MAIN CPU E X P A N D E R EEPROM CPLD NAD Servo will not operate X501 No Power on Video output level is unstable Open Close Error Servo will not operate FLD Error ...

Page 37: ...3 33 3 34 7 DIGITRON TIMER KEY CIRCUIT DIAGRAM PAUSE 01 09 10 R10675A NAD IC902 is defective Reset Error RC901 is defective R C Error DIG901 is defective FLD is distorted ...

Page 38: ...3 35 3 36 8 SCART CIRCUIT DIAGRAM S VIDEO C AUDIO L AUDIO R OPTICAL COMP VIDEO S VIDEO Y 01 09 10 R10676A NAD 16 9 can t be changed Scart Mode can t be changed ...

Page 39: ...3 37 3 38 9 JACK CIRCUIT DIAGRAM S VIDEO C AUDIO L AUDIO R OPTICAL COMP VIDEO S VIDEO Y NAD ...

Page 40: ... 00 0 00 0 00 3 10 1 50 2 60 5 00 2 60 2 70 2 70 0 00 2 10 2 20 2 20 5 00 2 00 2 00 2 00 0 00 1 10 EE PLAY MODE PIN NO 6 7 8 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 1 1 10 1 10 5 00 5 02 5 01 2 08 2 12 5 01 0 20 0 00 7 92 7 92 0 00 3 87 0 00 0 00 0 00 0 00 0 00 1 84 1 84 2 12 7 92 7 92 2 07 2 07 2 07 2 0...

Page 41: ...0 00 1 20 1 20 1 20 0 00 EE PLAY MODE PIN NO 1 2 3 4 5 6 7 8 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 5 36 5 37 5 37 0 00 5 36 5 37 5 37 11 80 0 00 3 10 0 00 2 20 2 20 1 70 2 20 1 80 2 20 1 20 1 00 0 00 0 00 0 00 5 00 0 90 0 70 0 00 0 00 0 00 0 00 0 00 1 20 2 60 2 70 1 50 1 80 2 90 1 80 1 90 0 00 0 90 0 80 2 10 2 20 ...

Page 42: ...3 50 24 40 5 02 27 00 20 00 16 90 18 40 18 30 18 70 18 00 18 20 18 70 18 70 18 80 19 40 19 50 21 80 21 80 21 90 21 80 21 80 21 80 21 80 21 80 5 00 0 00 5 00 4 54 2 24 3 82 0 00 3 82 2 63 2 24 2 73 3 17 0 00 EE PLAY MODE PIN NO 11 12 13 14 15 16 4 58 2 24 1 94 4 54 0 00 4 57 4 57 2 24 8 93 4 53 0 00 4 57 IC504 24C02N IC901 78032 F R O N T J A C K IC902 7042P Collector Base Emitter EE PLAY EE PLAY E...

Page 43: ...arch IC201 Pin 83 Focus Drive FDO Circuit 4 MPEG IC301 Pin 133 Composite IC301 Pin 151 Chrominance Super video out Mode Tek Stop 2 50MS s 4 Acqs M20 0µs 2 Apr 1999 14 47 27 Glitch Ch1 Ch3 500mV T T 3 IC301 Pin 145 Luminance Super video out Mode Tek Stop 1 00kS s 3290 Acqs M 500µs CH1 280 mV Edge Slope Type Edge Source Ch1 Coupling DC Level 280mV Mode Holdoff 3 Ch3 1 00V T Slope T IC301 Pin 159 MPE...

Page 44: ...3 47 3 48 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE Solder Side ...

Page 45: ...3 49 3 50 2 Power A V Front P C BOARD LOCATION GUIDE ...

Page 46: ...3 51 3 KEY P C BOARD 4 Power LED P C BOARD Solder Side Solder Side ...

Page 47: ...ssembly Middle 4 3 3 3 Gear Assembly Rack 4 3 4 Rubber Rear 4 3 5 Frame Assembly Up Down 4 4 6 Belt Loading 4 4 7 Gear Pulley 4 4 8 Gear Loading 4 4 9 Guide Up Down 4 4 10 PWB Assembly Loading 4 4 11 Base Main 4 4 1 Tools and Fixtures for SVC 4 5 2 Install Process 4 5 3 Adjustment Process 4 6 1 Deck Mechanism Exploded View 4 7 CONTENTS SECTION 4 MECHANISM DECK MECHANISM PARTS LOCATIONS EXPLODED VI...

Page 48: ... Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 2 Screws 2 Locking Tabs 4 Screws 1 Connector 1 Locking Tabs 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking Tab 1 Hook 2Screw 2 Locking Tabs 4 1 4 1 4 1 4 1 4 1 4 2 4 3 4 3 4 3 4 3 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Bottom Bottom Procedure Parts Fixing Type Fig ure Disass embly Note When reassembling per...

Page 49: ...direction and then lift up the Plate Clamp 1 1 2 Magnet Clamp 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 direction of arrow so that the Tray Disc is ejected about 15 20mm 2 Pull the Tray Disc until it is separated from the Base Main completely BASE MA...

Page 50: ...RACK GEAR MIDDLE GEAR ASSEMBLY FEED BASE PU OUTSERT PICK UP ASSEMBLY GENERAL MOTOR ASSEMBLY SPINDLE RUBBER REAR S2 3 Base Assembly Sled Fig 4 3 1 Release 4 Screw S2 2 Disconnect the FFC Connector C1 3 1 Gear Assembly Feed 1 Unhook the Locking Tab L2 in direction of arrow 3 2 Gear Middle 3 3 Gear Assembly Rack 1 Release the Scerw S3 4 Rubber Rear Fig 4 3 Fig 4 3 ...

Page 51: ...as Fig B 6 Belt Loading Fig 4 4 Put the Base Assembly Main on original position Top Side 7 Gear pulley Fig 4 4 1 Unlock the Locking Tab L4 in direction of arrow B and then separate the Gear Pulley from the Base Main 8 Gear Loading Fig 4 4 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 i...

Page 52: ...form The S W for Down load at P C 9 Open the Program File for Adjusting Fig 10 10 Click the Down load Icon and perform Program Down load 11 Displayed remaining time 12 Confirm LED No 1 RED and No 2 GREEN is ON 13 Plug out the DVD Set Power cord 14 Disconnect the FFC Cable Fig 1 Printer Cable Fig 2 FFC Cable 15 pin Fig 3 Jig Board Fig 4 Deviation Disc 0 8mm Fig 5 L Wrench 3mm Fig 6 RCA Jack Fig 7 C...

Page 53: ...ow 100 If not Please confirm Play ability on screen You can watch the screen when pressing the Stop key after the Adjusting is finished Then perform Play and Scan Skip operation at Chapter1 and Chapter16 and confirm screen condition normal or abnormal Please obtain these software for Adjusting through our Global Cyber Service Center GCSC The location is http biz lgservice com Web Site for End user...

Page 54: ...4 7 4 8 EXPLODED VIEWS 1 Deck Mechanism Exploded View 002 001 003 004 429 429 026 018 008 009 016 012 430 430 430 432 020 430 011 017 014 013 015 431 A01 A02 A03 430 ...

Page 55: ...1SZZR 0011A O O O SCREW MACHINE Cabinet Main Frame Section ASSEMBLY SECTION A43 3501R 4001A O BOARD ASSEMBLY FRONT DVN4021N A43 3501R 4001B O BOARD ASSEMBLY FRONT DVN4021E A43 3501R 4001C O BOARD ASSEMBLY FRONT DVN4021P A46 6871R 3405C O O O PWB PCB ASSY TOTAL DV4951E C CUBE EVNT MAIN A48 6871R 3457H O PWB PCB ASSEMBLY TOTAL DVN4021N PT I O NAD A48 6871R 3457J O PWB PCB ASSEMBLY TOTAL DV4021E PT I...

Page 56: ...NN SW3 A 0 952 1 802 3890R H762Q O BOX DVN4021E AA2DNN SW3 A 0 952 1 802 3890R H763Z O BOX DVN4021P AA3SNN SW3 A 0 952 1 803 3920R E037A O O O PACKING CASING DVN4021N NAD 0 02 85 EPS 10 9 804 3858R S001A O O O SHEET MECH LDPE 600M 630MM 0 5 VCR_DVD NSP 808 534 008C O O O BATTERY AAAM R03 1 5V 1PAIR LOCAL 811 6611R1G001A O O O PLUG ASSY 1WAY YELLOW GLOBAL 812 6611R2G001A O O O PLUG ASSY 2WAY RED WH...

Page 57: ...201 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C203 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C205 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C206 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C207 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R...

Page 58: ...P CERAMIC M L TC 220P 50V J COG 1 6X0 8 R TP C2C1 0CH1222K562 O O O CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608 R TP C2C2 0CH1222K562 O O O CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608 R TP C2C3 0CH1222K562 O O O CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608 R TP C2C4 0CH1222K562 O O O CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608 R TP C2C5 0CH1104K942 O O O CAPA...

Page 59: ... O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C337 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C338 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C339 0CH1104K942 O O O CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C340 0CH1103K562 O O O CAPACITOR FIXED CERAMIC Temp c 0 01UF 50V 10 X7R X 1608 R T C341 0CH1...

Page 60: ...TIC 22M SRA 16V M FM5 TP 5 C605 0CN1030F678 O CAPACITOR TUBULA HIGH DIELE 0 01M 16V M Y TA26 C606 0CN1030F678 O O O CAPACITOR TUBULA HIGH DIELE 0 01M 16V M Y TA26 C613 0CE2274C638 O O O CAPACITOR ELECTROLYTIC 220M SRA 6 3V M FM5 TP 5 C614 0CE2274C638 O O O CAPACITOR ELECTROLYTIC 220M SRA 6 3V M FM5 TP 5 C615 0CE2274C638 O O O CAPACITOR ELECTROLYTIC 220M SRA 6 3V M FM5 TP 5 C616 0CN3920F668 O CAPAC...

Page 61: ...LER LITEON IC104 0ISS431000A O O O IC SAMSUNG ELECTRONICS KA431AZ LM431AZ IC105 0IPMGKE008B O O O IC POWER MANAGEMENT KIA78R08PI CU KEC 4P TO 220IS IC106 0IPMGKE006B O O O IC POWER MANAGEMENT KIA78R33PI CU KEC 4P TO 220IS IC107 0IPMGKE006B O O O IC POWER MANAGEMENT KIA78R33PI CU KEC 4P TO 220IS IC108 657 063A O SENSOR LTV 817B PHOTO COUPLER LITEON IC201 0IHY258010C O O O IC HYUNDAI GDC25D801D 208 ...

Page 62: ...5 O INDUCTOR RADIAL LEAD 100UH 5 TP 3X5 TR5 L603 0LA0101K018 O O O INDUCTOR AXIAL LEAD 1 0M K 2 3X3 4 L5 TP L604 0LA0101K018 O O O INDUCTOR AXIAL LEAD 1 0M K 2 3X3 4 L5 TP L901 0LR1000J0N5 O O O INDUCTOR RADIAL LEAD 100UH 5 TP 3X5 TR5 L902 0LR1000J0N5 O O O INDUCTOR RADIAL LEAD 100UH 5 TP 3X5 TR5 LED ASSY CONNECTOR PWB ASSY LED01 0DL111209CA O O O LED LTL 1CHEES UA TP LITEON RED 0 LED02 0DL111209E...

Page 63: ...CARBON FILM 1K OHM 1 6 W 5 00 TA26 R124 0RD3300F608 O O O RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 00 TA26 R125 0RD3901F608 O O O RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 00 TA26 R126 0RD1001F608 O O O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 00 TA26 R127 0RN3601E408 O O O RESISTOR FIXED METAL FILM 3 6K OHM 1 8 W 1 00 TA26 R128 0RN3301F408 O O O RESISTOR FIXED METAL FILM 3 3K OHM 1 6 W 1 00 ...

Page 64: ...ESISTOR METAL GLAZED CHIP 18 OHM 1 16 W 1608 5 00 D R2B6 0RH2202C622 O O O RESISTOR METAL GLAZED CHIP 22K OHM 1 16 W 1608 5 00 D R2B7 0RH6801C622 O O O RESISTOR METAL GLAZED CHIP 6 8K OHM 1 16 W 1608 5 00 D R2B8 0RH1503C622 O O O RESISTOR METAL GLAZED CHIP 150K OHM 1 16 W 1608 5 00 D R2B9 0RH1503C622 O O O RESISTOR METAL GLAZED CHIP 150K OHM 1 16 W 1608 5 00 D R2C0 0RH3902C622 O O O RESISTOR METAL...

Page 65: ...0332C622 O O O RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R328 0RH0332C622 O O O RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R329 0RH0332C622 O O O RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R330 0RH0332C622 O O O RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R331 0RH0332C622 O O O RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R332 0RH0332C622 O O O RESIS...

Page 66: ...ETAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R546 0RH1000C622 O O O RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R547 0RH1000C622 O O O RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R548 0RH1000C622 O O O RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R549 0RH1000C622 O O O RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R550 0RH1000C622 O O O RESISTOR METAL GLAZED CHI...

Page 67: ...W 5 00 TA26 R903 0RD6800F608 O O O RESISTOR FIXED CARBON FILM 680 OHM 1 6 W 5 00 TA26 R904 0RD1201F608 O O O RESISTOR FIXED CARBON FILM 1 2K OHM 1 6 W 5 00 TA26 R905 0RD1501F608 O O O RESISTOR FIXED CARBON FILM 1 5K OHM 1 6 W 5 00 TA26 R906 0RD3301F608 O O O RESISTOR FIXED CARBON FILM 3 3K OHM 1 6 W 5 00 TA26 R907 0RD4701F608 O O O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 00 TA26 R908 0RD8201F6...

Page 68: ...5A SW914 556 219B O O O SWITCH TACT THVV502GAA POSTECH NON 12V 5A SW915 556 219B O O O SWITCH TACT THVV502GAA POSTECH NON 12V 5A SW916 556 219B O O O SWITCH TACT THVV502GAA POSTECH NON 12V 5A TRANSISTOR RESONATOR CRYSTAL X TAL T101 642 021K O TRANSFORMER SMPS KSE 021K LSE 021K KS LSE NARRO T101 642 023T O O TRANSFORMER SMPS SHT 023T KSE 023T KWANGSUNG SA V101 656 004C O O O VARISTOR SVC681D 10A SA...

Page 69: ...AL SERVICE MANUAL T531B T531C T531AH DVD VIDEO PLAYER MODELS T531B T531C T531AH SERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO T531B T531C T531AH DVD VIDEO PLAYER T531B T531C T531AH DVD VIDEO PLAYER ...

Search results

Summary of Contents for T531AH

Reviews:

Related manuals for T531AH

Brands by name

Popular brands

NAD T531AH, Service Manual

Search results

Summary of Contents for T531AH

Reviews:

Related manuals for T531AH

Brands by name

Popular brands