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NAD T515AH, Руководство по обслуживанию

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NAD T515AH Скачать руководство пользователя страница 13

3-2

ELECTRICAL TROUBLESHOOTING GUIDE

1. POWER CHECK FLOW

No 3.4VA.

No 3.4VA

Is 3.4VA section working?

Is 3.4V present at emitter
of Q121?

Replace Q121.

Replace IC101.

Is there a DC voltage at
Cathode of D105 or D107?

Check FR101

No 5V

Is 3.4VA section working?

Replace Q126.

Is 5.6V present at collector
of Q126?

NO

NO

YES

YES

YES

Check D105/D106/D107/

D108 and replace.

YES

YES

A.

B.

NO

NO

NO

Содержание T515AH

Страница 1: ...ICE MANUAL SERVICE MANUAL T515AH T515AHT MODELS T515AH T515AHT SERVICE MANUAL NAD 2007 NAD ELECTRONICS INTERNATIONAL TORONTO T515AH T515AHT DVD VIDEO PLAYER T515AH T515AHT DVD VIDEO PLAYER DVD VIDEO PLAYER ...

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

Страница 3: ...CT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SERVICE INFORMATION FOR EEPROM 1 5 SPECIFICATIONS 1 6 1 2 ...

Страница 4: ...AYS 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 SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS X RAY SHIELD...

Страница 5: ... 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 Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be u...

Страница 6: ... 2 in order Press number 0 9 Press charater A F 1 6 for a while Use arrow key to move to approprite position and make changes Press pause key once Change will be applied when power OFF ON NAME HEX OPT 1 55 OPT 2 53 OPT 3 00 OPT 4 47 OPT 5 02 OPT 6 55 OPT 7 F4 OPT 8 00 DETECT NEW EEPROM OPTION EDIT SCREEN ...

Страница 7: ... DVD PCM 48 kHz 8 Hz to 22 kHz CD 8 Hz to 20 kHz Signal to noise ratio More than 100 dB ANALOG OUT connectors only Harmonic distortion Less than 0 008 Dynamic range More than 90 dB DVD CD OUTPUTS VIDEO OUT 1 Vp p 75 Ω sync negative RCA jack x 1 S VIDEO OUT Y 1 0 V p p 75 Ω negative sync Mini DIN 4 pin x 1 North American version only C 0 3 V p p 75 Ω COMPONENT VIDEO OUT Y 1 0 V p p 75 Ω negative sy...

Страница 8: ...2 1 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 10 2 3 3 Packing Accessory Section 2 4 ...

Страница 9: ...902 P101 CABLE90 463 465 465 463 463 250 463 463 467 260 261 261 300 320 463 NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE A 5 4 3 2 1 B C D A48 5 1CH JACK 463 OPTIONAL PART ...

Страница 10: ...2 3 2 DECK MECHANISM SECTION DP 10 001 002 003 020 439 018 013 017 015B 015A 440 019 012 015 012 432 030 010 439 431 435 021 430 024 025 036 012A 012A 026 016 435 014 A01 A02 A03 A00 ...

Страница 11: ...N BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 806 820 OWNER S MANUAL RF CABLE 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y 1WAY YELLOW PLUG ASS Y 1WAY BLACK PLUG ASS Y 2WAY DISC 832 ...

Страница 12: ... NO DISC CONDITION 3 18 10 TRACKING CONTROL RELATED SIGNAL SYSTEM CHECKING 3 19 11 RF WAVEFORM 3 20 12 ZR36888 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF 3 20 13 ZR36888 VIDEO OUTPUT WAVEFORM 3 21 14 AUDIO OUTPUT FROM AUDIO DAC 3 22 BLOCK DIAGRAMS 3 24 1 OVERALL BLOCK DIAGRAM 3 24 2 POWER SMPS BLOCK DIAGRAM 3 25 3 SERVO BLOCK DIAGRAM 3 26 4 MPEG MEMORY BLOCK DIAGRAM 3 27 5 VIDEO AUDIO BLOCK DIAGRAM 3 ...

Страница 13: ...n working Is 3 4V present at emitter of Q121 Replace Q121 Replace IC101 Is there a DC voltage at Cathode of D105 or D107 Check FR101 No 5V Is 3 4VA section working Replace Q126 Is 5 6V present at collector of Q126 NO NO YES YES YES Check D105 D106 D107 D108 and replace YES YES A B NO NO NO ...

Страница 14: ... RISC Show LOGO Tray Closed Tray Close to Closed position SLED at Inner Side SLED Moves to Inner Position 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure Recieve OPEN CLOSE Key 1 Execute Pressed Key IR Key 2 System operation Routine Loop 1 Stop Playback Open Tray 2 Display tray open message LOGO Receive CLOSE Key ...

Страница 15: ...PCBA YES Connect to PC RS232 Cable and update the FLASH memory code YES Update FLASH successfully YES A Replace power PCBA or AC transformer NO Repair or Replace Power PCBA NO Check the regulators or related diodes NO Is 1 8V Voltage normal for Zoran IC YES 1 Check Q203 2 Check D201 3 Check IC102 NO 1 Check 27MHz system clock 2 Check system reset circuit 3 Check FLASH R W enable signal PRD RWR 4 C...

Страница 16: ...k connection lines between SDRAM ZR36888 and the SDRAM is damaged ZR36882 VIDEO outputs properly Check the related circuit of ZR36888 Have TV signal output Check AV cable connection to TV set Normal OUTSW INSW signals Check the filtering and amp circuit of TV signal Check the load OPEN CLOSE switch Normal OPEN CLOSE signal Check the Tray control IO pins on ZR36888 AM5869S Normal LOAD LOAD signal C...

Страница 17: ...connection line of MUTE signal NO Is SLED_S DC Level higher than 1 65V Check the related circuit of FMSO NO SLED and SLED output properly YES Check the amp circuit on motor driver Check FOCUS_S connection On ZR36888 and motor dirv er NO NO Check the cable connection with MECHA Proper FOCUS_S outputs to motor driver Proper FACT FACT outputs Check the amp circuit on motor dirver NO Check cable conne...

Страница 18: ...stor is OK Check the related circuit on laser power transistor NO Check cable connection between transistor ouput and pick up head YES YES YES Check the related circuit on ZR36888 RFL signal Check SPINDLE_S related circuit on ZR36888 NO NO Check the spindle control amp circuit of motor driver NO Laser off Proper RF signal on ZR36888 Check LD_DVD LD_CD signal Proper SPINDLE_S signal on ZR36888 SP S...

Страница 19: ...the FOCUS_S connection on ZR36888 and motor driver NO Check FOCUS_S signal on ZR36888 YES YES Check the TRACK_S connection on ZR36888 and motor dirver NO Check the tracking control amp circuit on motor driver NO Normal TE Signal on ZR36888 NO Check the related circuit on ZR36888 Properly TRACK_S signal on ZR36888 TACT TACT output properly Check cable connection on pick up head Check RF signal wave...

Страница 20: ...T END NO NO YES YES YES YES Check connection between ZR36888 Audio DAC NO Normal Audio DAC out YES Check the related circuit of Audio DAC NO Check Audio filter amplify mute circuit Communications between IR VFD Front panel key ZR36888 is normally NO Check communication lines on ZR36888 Check the cable connection on Front panel ...

Страница 21: ......

Страница 22: ...ETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK RESET SIGNAL 1 ZR36882 main clock is at 27MH X601 FIG 1 1 3 1V 27MHz 2 ZR3682 reset is low active FIG 1 2 Reset Time 3 3VA PWR_CTL RESET ...

Страница 23: ...3 12 2 SDRAM CLOCK 1 SDRAM clock is at 143MHz FIG 2 1 IC603 PIN38 CLK 143MHz Vp p 3 3V 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform FIG 3 1 OPEN OPEN CLOSE CLOSE LM LM ...

Страница 24: ...3 13 2 Tray open waveform FIG 3 2 3 Tray close waveform FIG 3 3 OPEN CLOSE LM LM OPEN CLOSE LM LM ...

Страница 25: ...3 14 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION FIG 4 1 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION FIG 5 1 FOCUS_S FOCUS FOCUS SLED_S DRVSB SLED SLED ...

Страница 26: ...3 15 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION FIG 6 1 7 DISC TYPE JUDGEMENT WAVEFORM FIG 7 1 DVD DCLK 128MHz Vp p 2 2 Vmax 2 7V FACT FE SBAD VR_CD DVD_LD CD_LD ...

Страница 27: ...3 16 FIG 7 2 DVD FIG 7 3 CD FACT FACT FE FE SBAD SBAD ...

Страница 28: ...3 17 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO FACT FACT FACT FE SBAD ...

Страница 29: ...3 18 3 18 FIG 8 2 CD 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION FIG 9 1 DVD FOCUS FACT SPINDLE_S SP SP FE FACT ...

Страница 30: ...3 19 10 TRACKING CONTROL RELATED SIGNAL System checking FIG 10 1 DVD FIG 10 2 CD TE TRACK_S TACT TACT TE TRACK_S TACT TACT ...

Страница 31: ...3 20 11 RF WAVEFORM FIG 11 1 12 ZR36888 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF FIG 12 1 RFO SPDIF ...

Страница 32: ...3 21 13 ZR36888 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS FIG 13 1 2 Y FIG 13 2 JK701 pin3 JK701 pin9 ...

Страница 33: ...3 22 14 AUDIO OUTPUT FROM AUDIO DAC 1 AUDIO L R FIG 14 1 3 C FIG 13 3 JK701 PIN10 JK702 PIN2 4 1KHz 0DB ...

Страница 34: ...3 23 2 Audio Related Signal FIG 14 2 AOUT0 ABCK ALRCLK ...

Страница 35: ...D SW CD_DVD SPDL_SENS U202 AM5869 5Ch Motor Drive DRVSB Pick up D5V POWER BOARD POWER CTL M5V 12V D DATA D CLK D ENA AC 90V 240V 50HZ 60Hz GND RESET Circuit RESET OPEN CLOSE U204 LM393 ADC_H To Front IC IR Receiver 27MHz IC601 ZR36888 IC702 CS4392 OP AMP L R AMCLK ALRCLK ABCLK JK705 HDMI_T YPE_A HDMI5V CN101 DOWN_LO AD_I F DUPRD0 DUPTD0 RF DSP MPEG IC CDMD DVDMD MIIRXD 0 3 MIITXDV MIITXCLK MIITXD ...

Страница 36: ...25 2 POWER SMPS BLOCK DIAGRAM 8V 3 2V FILTER SWITCHING IC TRANS FEED B 3 4VA RECTIFIER 5 6V RECTIFIER 9 5V LPF RECTIFIER 14V LPF 12V PWR CTL 5V 5 6V M 5 6VA RECTIFIER 3 4V LPF AC100 240V RECTIFIER REG T W ...

Страница 37: ...TRACK_S DRVSB SPDL_SENS 1 8VA FACT FACT TACT TACT SLED SLED LOAD LOAD 27MHz X TAL CD_LD DVD_LD CD_DVD AL PC V20 PICKSEL TRIN TROUT IC603 4M x 16bit SDRAM RAMADD 0 11 RAMDQM RAMCKE PCLK RAMBA RAMCS1 RAMWE RAMCAS RAMRAS RAMDAT 0 15 FLASH ROM MEMWR MEMRD MEMCS MEMDA 0 15 MEMAD 0 19 EEP ROM I2CCLK I2CDAT RS232C MTK DUPTD0 DUPTR0 VR_DVD VR_CD 3 SERVO BLOCK DIAGRAM ...

Страница 38: ...IC901 LED DRIVE IC IC603 SDRAM 64M RAMAD 00 11 RAMCKE PCLK RAMBA RAMCS1 RAMDQM RAMWE RAMCAS RAMRAS RAMDAT 00 15 X601 27MHz C_Y S_Y SY_Pr_OUT Y_OUT SC_Pb_out RGB_SEL 16_9_H AMCLK ALRCK ABCK D_MUTE AOUT0 ML I2CCLK MC I2CDAT MD ASPDIF FLASHCS MEMWR MEMRD MEMAD 0 19 MEMDA 0 15 DIN DOUT CLK STB IC606 RESET IC RESET I2CCLK MC I2CDAT MD ...

Страница 39: ...O BLOCK DIAGRAM IC701 VIDEO 6dB Amp IC702 AUDIO DAC 2CH IC703 OP Amp LPF Buffer CVBS COMPONENT R G B Y Pb Pr SUPER VIDEO Y C SY_Pr_OUT Y_OUT SC_Pb_OUT C_Y S_Y AMCLK ABCK ALRCK A V JACK MPEG MPEG AUDIO L AUDIO R AOUT3 ML ...

Страница 40: ... 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 14VA No Power D125 is Defective 12V No Power Q123 is Defective 5 0V No Power Q126 is Defective 5 6V No Power Q125 is Defective 3 3V No Power Q121 is Defective 3 3VA No Power D121 or D122 are Defective Switching Error IC102 I...

Страница 41: ...3 31 3 32 2 SYSTEM MAIN CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...

Страница 42: ...3 33 3 34 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 3 SERVO CIRCUIT DIAGRAM ...

Страница 43: ...3 35 3 36 4 AV JACK CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...

Страница 44: ......

Страница 45: ...3 39 3 40 6 TIMER CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...

Страница 46: ......

Страница 47: ...52 0 005 174 0 0054 0 005 175 0 005 0 0048 176 1 064 1 1 177 0 0044 0 005 178 1 86 1 84 179 0 0052 0 006 180 0 0052 0 006 181 1 16 1 08 182 3 28 3 3 183 2 22 2 06 184 0 8 0 6 185 3 32 3 3 186 1 58 1 54 187 0 82 0 5 188 3 32 3 3 189 0 88 0 78 190 1 3 1 3 STOP PLAY MODE PIN NO IC201 IC601 191 0 005 0 006 192 0 005 0 004 193 1 33 1 86 194 1 328 1 36 195 0 104 0 14 196 2 2 2 34 197 3 32 3 3 198 2 2 2 ...

Страница 48: ...3 45 3 46 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...

Страница 49: ...3 47 3 48 2 KEY P C BOARD 3 TIMER P C BOARD TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW ...

Страница 50: ...3 49 3 50 4 SMPS P C BOARD NOTES Warning NOTES Parts that are shaded are critical NOTES with respect to risk of fire or NOTES electricial shock ...

Страница 51: ...1SZZR 0072A Screw Customized 3 435 1SZZR 0011A Screw Customized 3 439 1SZZR 0075A Screw Customized 3 440 1SZZH 1007B Screw Customized 3 452 1SZZR 0098A Screw Customized 2 463 1SZZR 0098G Screw Customized 1 465 1SZZR 0097K Screw Customized 1 467 1SZZR 0097N Screw Customized 2 801 3835RD0090G Manual Assembly 1 802 3890R C420B Box Master 2 803 3920R E227A Packing 2 804 3880R E002A Bag Vinyl 2 808 691...

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