NAD T562 Скачать руководство пользователя | Manualshive

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2-13

ELECTRICAL TROUBLESHOOTING GUIDE

1. SYSTEM CHECK

Power ON

No

Power led green?

Power led red?

No

Check power board

Check ext. trig part

Yes

Does logo appear?

Yes

No

Is J414 voltage normal?

No

Check power board

Check video part

Yes

Is J409.CN7200, J16. CN7100

Connected normal?

Disc reading?

Yes

No

No

Reconnect

Yes

Is J409 voltage normal?

No

Check power board

Check mechanism

Yes

Audio Out?

No

Check audio part

END

Yes

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Содержание T562

Страница 1: ...NAD SERVICE MANUAL T 562 T 562 DVD VCD CD PLAYER DVD VCD CD PLAYER DRAFT DATE 30 OCT 2002 ...

Страница 2: ...ELINES FOR VIDEO PRODUCTS 1 4 SERVICING PRECAUTIONS 1 5 General Servicing Precautions Insulation Checking Procedure Electrostatically Sensitive Devices SPECIFICATIONS 1 6 LOCATION OF CUSTOMER CONTROLS 1 7 1 8 EXPLODED VIEWS 1 9 1 10 PACKING DIAGRAM 1 11 1 12 ...

Страница 3: ... V A C TYPE CAPACITOR BETWEEN A KNOWN GOOD EARTH GROUND WATER PIPE CONDUIT ETC AND THE EXPPOSED METALLIC PARTS ONE AT A TIME MEASURE THE A C VOLTAGE ACROSS THE COMBINATION OF 1500 OHM RESISTOR AND 15 MFD CAPACITOR REVERSE THE A C PLUG AND REPEAT A C VOLTAGE MEASUREMENTS FOR EACH EXPOSED METALLICPART VOLTAGE MEASURE MUST NOT EXCEED 75 VOLTS R M S THIS CORRESPONDS TO 0 5 MILLIAMP A C ANY VALUE EXCEE...

Страница 4: ...cluding Metal panels 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...

Страница 5: ... WEIGHTED Audio dynamic More than 92dB Harmonic distortion 0 008 Operating conditions Temperature 41 to 95 operation status Horizontal OUTPUTS Video output 1 0V p p 75Ù negative sync RCA jack 1 S video output Y 1 0V P P 75Ù negative sync Mini DIN 4pin 1 C 0 286V P P 75Ù Component Video output Y 1 0V P P 75Ù negative sync Cb Cr 0 5V P P 75Ù Scart Video output CVBS 1 0V P P 75Ù negative sync R G B 0...

Страница 6: ... OUT COAXIAL MIXED AUDIO OUT AC IN L R AUTO TRIGGER 12V TRIGGER IN EXT IR IN ON OFF VIDEO OUT SCART RGB OUT S VIDEO SCART RGB S VIDEO OUTPUT VIDEO COMPONENT VIDEO OUT Y Cb Pb Cr Pr DIGITAL AUDIOOUT Jacks AUDIO MIXED OUT Jacks S VIDEO OUT Jacks COMPOSITE VIDEO OUT Jacks COMPONENT VIDEO OUT Jacks 12V TRIGGER IN JACK AUTO TRIGGER SWITCH EXT IR IN Jacks AC INLETS DIGITAL AUDIOOUT Jacks AUDIO MIXED OUT...

Страница 7: ...4 PAUSE STEPButton 25 REV SKIP Button 26 FWD SKIP Button 27 REV SCAN Button 28 FWD SCAN Button 29 REW SLOW Button 30 RANDOM Button 31 FWD SLOW Button 32 REPEAT Button 33 PROGRESSIVE SCAN Button 34 REPEAT A B Button 1 4 2 3 5 6 8 9 11 7 10 12 14 13 15 16 17 18 19 20 21 24 22 23 25 26 27 28 29 31 33 30 32 34 DVD Indicator VCD Indicator MP3 Indicator PBC Indicator DTS Indicator PLAY Indicator L R CHN...

Страница 8: ... D Lens 3 1 S 001 66 009006 0 S ubfascia 2 1 S 002 16 56003 00 Key Control PCB 1 S 003 23 56119 00 VFD 1 S 004 75 009003 0 VFL Housing 1 S 005 66 009011 0 IR Bracket 1 S 006 75 009002 0 S leeve 1P 3 S 007 11 01201 01 Power S witch 1 C001 66 009001 0 Chassis 1 C002 36 00021 00 Mechanism 1 C003 16 56002 10 16 56002 20 Decoder PCB AH Version Decoder PCB C Version 1 C004 16 56004 00 Power S upply PCB ...

Страница 9: ... 06 01 09 01 90 002001 0 EPE Fascia Cover 1 02 90 001003 0 AC Cord Polybag 1 03 90 001001 0 Polybag 1 04 89 002001 0 Polyfoam End Cap 2 05 30 23200 00 Batteries 2 06 30 15600 00 Remote Control 1 07 30 45600 01 IM 1 Eng Starts l 1 08 90 009001 1 Manual Polybag 1 09 88 009001 0 Carton Box C Version 1 Ref No Part No Description Q TY 30 45600 02 IM 2 Spa Starts 1 88 009002 0 Carton Box AH Version 1 ...

Страница 10: ...U609 XWM8716EDS AUDIO DAC 2 21 3 U13 U18 AM29LV800BTC 90 FLASH ROM 2 23 4 U22 W986432DH 7 SDRAM 2 24 5 U302 UPD16312 VFD DRIVER 2 26 6 U401 UC3842 2 27 DIAGRAMS 1 OVERAL BLOCK DIAGRAM 2 28 2 CIRCULT DIAGRAM 2 30 l POWER SUPPLY l FRONT PANEL l PANTERA l MECHANISM MEMORY l AUDIO l VIDEO 3 WIRING DIAGRAM 2 43 4 PRINTED CIRCULT BOARDS 2 45 l POWER SUPPLY PCB BOTTOM SIDE l FRONT PCB TOP BOTTOM SIDE l D...

Страница 11: ...power board Check ext trig part Yes Does logo appear Yes No Is J414 voltage normal No Check power board Check video part Yes Is J409 CN7200 J16 CN7100 Connected normal Disc reading Yes No No Reconnect Yes Is J409 voltage normal No Check power board Check mechanism Yes Audio Out No Check audio part END Yes ...

Страница 12: ...Is L403 normal Replace defective parts Is J406 pin5 5V No Is D410 normal Replace defective parts Is J409 pin1 9V No Are D409 R413 D406 R414 normal Replace defective parts Are J414 pin1 4 12V No Are Q410 409 426 normal Replace defective parts No Are D403 R402 normal Replace defective parts Is J406 pin3 20V No Yes No No Are Q406 Q407 normal Replace defective parts Yes Yes Yes No No No Are D402 R403 ...

Страница 13: ... screen DoesOSDappearnormally Check Video part YES YES Check U5 Does the Moving NO picture of the DVD Disc play on the Check U5 U22 screennormal YES Does NO Audio output normal YES Does NO Video output normal Check U5 and Video part YES CheckU5 U1 J2andaudiopart END ...

Страница 14: ...S YES Check D311 NO Is display normal Check U302 U301 YES Do all NO Does buttons Work normal TACT switch normal ReplaceTACTswitch YES YES Check U302 Does remote NO Control work normally Check U301 YES Do NO PROGRESSIVESCAN ledandHDCDledwork normally YES END Check D313 D314 START ...

Страница 15: ... Jack Check the Mute TR Refer to Video part Refer to Audio part Refer to decode Refer to decode board Replace B D Replace B D C PICTURE abnormal D DISC ERROR PICTUREABNORMAL DISCERROR Check the disc Check the disc Check R50 C68 Refer to Servo part Check decode part Replace Mechanism Replace decode B D ...

Страница 16: ...8 59 60 61 63 64 MA 11 0 O SDRAM address bus pins 12 13 15 16 18 20 21 25 26 28 29 30 MA 13 12 O 32 33 SDRAM address bus reserved for pin compatibility with 64Mbit SDRAM MCLK O 22 SDRAM clock CKE O 24 SDRAM Clock Enable CS0 O 35 SDRAM primary bank chip select CS1 O 66 SDRAM extension bank chip select RAS O 37 SDRAM command bit CAS O 38 SDRAM command bit WE O 39 SDRAM command bit DQM 3 0 O 11 41 42...

Страница 17: ...TS1 B 88 SSP0 clock or Request To Send function in UART1 can be used as GPIO System Interface RSTP I 81 RESET_Power from system used to reset frequency synthesizer rest of chip SRST O 80 Active low RESET signal for peripheral reset Video Interface DAC0 O 118 Video DAC0 output Composite video Chrominance output for S Video DAC1 O 114 Video DAC1 output Luminance for S Video and component G output fo...

Страница 18: ...tput ACLK O 78 Audio interface serial data clock common clock for DACs ADC PCMCLK O 76 Audio DAC PCM sampling clock frequency common clock for DACs ADC can be used as GPIO LRCLK O 79 Left Right Channel clock common clock for DACs ADC AIN I 70 Digital audio input for digital micro can be used as GPIO Clock Signals CXI I 98 Crystal Input pin for on chip oscillator or system input clock CXO O 99 Crys...

Страница 19: ... 107 108 109 110 111 112 113 114 116 117 118 119 120 115 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 240 232 233 234 235 236 237 238 239 3 2 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 49 50 51 52 53 54 55 56 57 58 59 60 179 178 177 176 175 174 173 172 171 170 169 16...

Страница 20: ... END DUL 5 EEPROM 93C46 SDRAM 64M W986432 8M FLASH FLASH AM29LV800BB 90EC 8M NDV8601VWA JAGAR DVD DIGITAL AUDIO AUDIO DOWN MIX DAC XWM8716 CLC5622IM CLC5623IM VIDEO AMP REAR PANEL OPITICAL OUT COAXIAL OUT COMPNENT 1 2 3 4 S VIDEO SCART COMPOSITE AUDIO DOWNMIX OUT Y Cb Pb Cr Pr L R VFD KEY MATRIX REMOTE SENSOR UPD16312 DECODE PCB FRONT PCB EXT IR TRIG IN ...

Страница 21: ...J410 J503 J502 J613 J414 J409 J406 J411 J612 J608 J2 J6 J3 J16 J4 CN7200 FP7100 J301 J304 J303 J412 J413 J405 WIRING DIAGRAM ...

Страница 22: ... 100R R428 2K4 D426 KA431 C414 104 D413 IN4001 C467 100U 16V C415 104 VD402 FMU 22S GND GND GND GND GND GND L403 12UH C453 2200U 10V C465 470U 10V GND R415 220R 1W GND GND GND GND GND GND GND 12V 1 2 3 4 5 6 J409 GND GND 1 2 3 4 5 6 7 J411 GND FB403 FB404 GND VF VF 20V GND 5V DGND 5Vd GND 5V GND 9V 5V GND 3 3V GND 3 3V C412 104 GND TO FPP TO DECODE BOARD TO MECHANISM R401 NTC 5D 11 7812 Q407 7912 ...

Страница 23: ...EQ 16 HOSTSEL TX_ENABLE 17 RXD SBO 18 TXD SBI 19 HOSTRDY SBT 20 LDRRDY WAIT 21 DGND2 22 J16 MOLEX 52610 2290 C100 0 1UF XM4 XM1 XM3 C103 0 1UF C101 0 1UF C102 0 1UF XM2 GND GND GND GND MOUNTING TOOLING HOLES FLTSOPCS0 FLASHVCC FLLATCHVCC LA3 LA14 AD23 AD15 LA1 AD25 LA4 AD16 AD24 LA18 LA8 LA14 LA0 AD21 LA13 AD27 LA17 LA10 LA1 LA20 AD19 LA17 LA0 LA15 LA15 LA5 AD5 LA4 LA10 LA3 LA14 AD20 LA16 LA9 LA9 ...

Страница 24: ...10 P11 P12 P13 P14 P15 P16 P12 P13 P14 P15 P16 5V 5V G1 G2 P1 P2 P3 P4 P5 P6 P7 P8 G1 G2 G3 G4 G5 G6 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 D311 POWER D313 P SCAN D314 HDCD R317 1K R318 470 R312 470 R301 470 GND R302 47K 5V GND SW3 SW4 D307 IN4148 R304 1K R306 100R C304 0 1uF 50V C305 0 1uF 50V R305 10K R307 47K Q301 C1815 R303 10K C306 100P GND WAKEUP INTERRUPT CIRCULT R308 10K R3...

Страница 25: ...DDIO 62 VSS 69 VDDIO 75 VDD 77 VSSIO 82 VSS 85 VDD 89 VDDIO 91 VSSIO 97 MVCKVDD 102 MVCKVSS 104 CVBS2 Cr R 110 C Cb B 112 VAA3 113 VSS 121 VSYNC 123 HSYNC 124 VDDIO 125 VIO7 126 VIO6 127 VIO5 128 VIO4 129 VIO3 130 VIO2 131 VSSIO 132 VIO1 133 VIO0 134 VDD 135 VDDIO 140 VSSIO 147 VDDIO 154 VDD 159 VSSIO 162 VDDIO 169 VSS 171 VSSIO 177 VDDIO 181 VSSIO 188 LHLDA 190 LHLD 191 VDD 192 XIO1 194 XIO2 195 ...

Страница 26: ... 10 Vs 11 IN2 12 IN2 13 OUT2 14 U607 CLC5623IM C643 0 1UF FB604 R674 470R 1 R661 75R 1 R675 510R 1 C680 20PF C648 0 1UF FB608 R657 75R 1 R660 75R 1 FB613 C660 0 1UF R668 75R 1 C684 20PF C615 10UF 10V R667 100R 1 C689 20PF C659 0 1UF C649 0 1UF TOP VIEW RSRVD 4 STANDBY 3 SCART 2 16BY9 1 GND2 16 CR R 15 GND3 14 GND4 13 CB B 12 GND5 11 GND6 10 Y G 9 GND7 8 GND8 7 C CVBS 6 GND9 5 J608 CONN 16X1 FLAT 1...

Страница 27: ...7 GND5 6 AOUT2 5 AOUT1 4 AOUT0 3 6CHDACCS 2 GND6 1 J612 CONN 24X1 FLAT 1MM DRIVER IC VIN 1 VCC 2 GND 3 TOP VIEW U614 FB625 0R SOT 223 4 3 2 1 U615 LM337IMP R709 470R 1 6V R631 10K R654 680R C711 47UF 10V C616 10UF 10V C636 10UF 10V R697 22R SOT 223 4 3 2 1 U611 LM1117MP ADJ C709 100PF 12V C703 100PF C667 0 1UF C704 100PF R633 10K C663 0 1UF R710 110R 4 7K 3 1 2 Q605 UN2216CT R686 3 32K 1 R651 10K ...

Страница 28: ...Q1 A1015 Q3 C1815 R3 1K D1 IN4148 R4 1K R1 4K7 R2 4K7 Q2 C1815 from SCART H R5 1K 16 9 H 12V SCART PIN8 from r699 wire from R615 from R703 GND wire wire wire wire ADDENDUM 8 PIN SCART MODIFICATON ...

Страница 29: ......

Страница 30: ...60 SERVICE MANUAL T 562 DVD VCD CD PLAYER NAD ELECTRONICS INTERNATIONAL CANADA NAD 2002 ...

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