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NAD T 743, Руководство по обслуживанию

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NAD

SERVICE MANUAL

T 74

3

T 743

A/V Receiver

A/V Receiver

DRAFT DATE: 12 MAR 2004

Содержание T 743

Страница 1: ...NAD SERVICE MANUAL T 743 T 743 A V Receiver A V Receiver DRAFT DATE 12 MAR 2004 ...

Страница 2: ...2 SAFETY INFORMATION ...

Страница 3: ... ONLY 2 Safety check out Only U S A model Before returning the product to the customer make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from supply circuit CONTENTS DESCRIPTION PAGE SPECIFICATIONS 4 5 REAR PANEL FRONT PANEL VIEW 6 DISASSEMBLY INSTRUCTIONS 7 WIRING DIAGRAM 8 BLOCK DIAGRAM 9 SPECIAL FUNCTION 10 DETAILS WAVEFORMS ON SYSTEM TEST ...

Страница 4: ... Dolby config 2 SL Track 46 200 20 kHz 0 8 dB SR Track 47 200 20 kHz 0 8 dB C Track 44 200 20 kHz 0 8 dB Harmonic Distortion 1 W Audio LPF Dolby Congfig 1 FL Track 65 997 Hz 0 08 FR Track 67 997 Hz 0 08 SL Track 68 997 Hz 0 08 SR Track 69 997 Hz 0 08 C Track 66 997 Hz 0 08 S N Ratio TRACK 30 for O P 1 W FAUSE CCIR ARM 65 dB Audio LPF 70 dB A WTD 70 dB Channel Separation 1 W A WTD FILTER Track 65 9...

Страница 5: ...100 2 3 kHz 5 mV 6 dB FM TUNER SECTION C AH Input level is expressed as the reading in open circuit of 75 ohm source impedance signal generator Usable sensitivity 98 MHz 15 dBµV 15 dBuv S N Ratio 60 dB IHF wtd Mono 63 dB 63 dB Stereo 63 dB 63 dB Frequency Response 20 Hz 15 kHz 60 dBµ 0 1 5 dB 0 1 5 dB Channel Separation 60 dBµ 100 Hz 30 dB 30 dB 1 k 38 dB 38 dB 10 kHz 30 dB 30 dB Alternate Channel...

Страница 6: ...AC POWER CORD 10 POWER SWITCH 11 SWITCHED AC OUTLETS 12 SPEAKERS A B 13 DVD SAT VCR VIDEO 4 VIDEO 5 14 MAIN IN AUDIO PRE OUTS SUBWOOFER OUT 15 TAPE INPUT OUTPUT 16 DISC INPUT 17 5 1 CH INPUTS 1 STANDBY SWITCH 2 STANDBY LED 3 AM FM 4 DISPLAY 5 MEMORY 6 FM MUTE MODE 7 PRESET DOWN UP 8 SEARCH DOWN UP 9 VFL DISPLAY 10 VOLUME SETUP 11 SOURCE DOWN UP 12 SURROUND MODE 13 LEVELS 14 TONE DEFEAT 15 TONE CON...

Страница 7: ...he side panels Remove tapping screw 3 0 x 8 0 7 to 10 from the back panel Refer to Figure No 1 2 Pull both sides of the TOP COVER slightly outwards 11 and tilt approx 35 and then remove in the direction as indicated by the arrow 12 Refer to Figure No 2 Figure No 1 Figure No 2 ...

Страница 8: ...00 XX CABLE ASSY 8 WAYS 26 2 5P UL2877 L 480MM 82 0626135 03 XX CABLE ASSY 6 WAYS 26 2 5P UL2877 L 480MM 82 1226135 00 XX CABLE ASSY 12 WAYS 26 2 5P UL2877 L 240MM 82 0318235 02 XX CABLE ASSY 3 WAYS 18 3 96P UL1007 L 120mm 82 0318235 05 XX CABLE ASSY 3 WAYS 18 3 96P UL1015 L 320mm 36 2828141 71 XX FFC CABLE 28 PIN P1 25 L 140mm 36 2828141 71 XX FFC CABLE 28 PIN P1 25 L 140mm 36 3028061 71 XX FFC C...

Страница 9: ...9 BLOCK DIAGRAM ...

Страница 10: ...M TEST DEBUGGING T89C51RD2 U202 main clock is at 20MHz X202 T89C51RD2 U201 main clock is at 20MHz X201 UPPER 5V supply to KEYBOARD when power up LOWER RESET line TCM810LENB713 when power up UPPER OUTPUT ENABLE pin 24 of EPROM W27C02 when changing SURROUND MODES LOWER CHIP ENABLE pin 22 of EPROM W27C02 when changing SURROUND MODES SCLK pin 43 of CS49326 LRCLK pin 42 of CS49326 MCLK pin 30 of CS4932...

Страница 11: ...EL JUMPER VR FL P501 R522 FR P502 R545 C P503 R571 SL P801 R835 SR P802 R836 ISC Sensitivity 1 Connect 8 ohm loading to all channels 2 Rotate R881 fully clockwise 3 Load all channels at full power using 1kHz sine wave 4 At this time monitor the THD of the SL SR output Clipping should occur before full power achieved 5 The procedure is finish at this step 6 Load all channels at full power using 1kH...

Страница 12: ...12 PCB LAYOUT AUDIO BOARD POWER SUPPLY STANDBY POWER SWITCH ...

Страница 13: ...13 COMPOSITE VIDEO BOARD COMPONENT SIDE COMPOSITE VIDEO BOARD COPPER SIDE ...

Страница 14: ...14 COMPONENT VIDEO BOARD COMPONENT SIDE COMPONENT VIDEO BOARD COPPER SIDE DIGITAL BOARD COMPONENT SIDE DIGITAL BOARD COPPER SIDE ...

Страница 15: ...15 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...

Страница 16: ...16 FRONT CENTER AMPLIFIER BOARD ...

Страница 17: ...17 SURROUND AMPLIFIER BOARD ...

Страница 18: ...18 KEYBOARD COMPONENT SIDE COPPER SIDE ...

Страница 19: ...19 MAIN BOARD ...

Страница 20: ...20 MULTI CHANNEL BOARD COMPONENT SIDE COPPER SIDE ...

Страница 21: ...21 PRE OUT BOARD COPPER SIDE PRE OUT BOARD COMPONENT SIDE COPPER SIDE ...

Страница 22: ...22 SPEAKER TERMINAL BOARD TRIGGER BOARD VIDEO 6 BOARD POWER SUPPLY SECONDARY LED BOARD ...

Страница 23: ...23 S VIDEO BOARD COMPONENT SIDE S VIDEO BOARD COPPER SIDE ...

Страница 24: ...4 SCHEMATIC DIAGRAM AUDIO SWITCH RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 25: ...25 COMPONENT VIDEO RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 26: ...8 E C B 2SA933 DTC123ESA E C B COMPOSITE VIDEO RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 27: ...27 POWER SUPPLY SECONDARY NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Страница 28: ...28 POWER SUPPLY STAND BY E C B 2SC1815 RESISTORS F FUSIBLE UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Страница 29: ...29 DTC123ESA E C B TRIGGER RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 30: ...30 VIDEO 6 RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 31: ...40 E C B 2SC1815 2SC2878 DTC144ESA DTC123ESA E C B S VIDEO RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 32: ...SD600 DTC123ESA E C B FRONT CENTER AMPLIFIER NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 3 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS RESISTORS RN CERAMIC CASE MO METAL OXIDE UNLESS OTHERWISE SPECIFIED ARE CARBON FILM ...

Страница 33: ... 2SD631K DTC123ESA E C B E C B 2SA1016K 2SC2362 RESISTORS RN CERAMIC CASE MO METAL OXIDE UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 3 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Страница 34: ...34 SPEAKER A B RS 232 ...

Страница 35: ...35 DIGITAL IN OUT ...

Страница 36: ...36 E B C 2SD600K MAIN BOARD NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 37: ...37 E C B RN1241 DTA114ESA E C B PRE OUT NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 38: ...38 E C B 2SC1815 DSP NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 39: ...39 E C B 2SC1815 E C B 2SC1015 KEYBOARD NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 5 ...

Страница 40: ... C SS8050 SS8550 DTA114ESA DTC114ESA E C B MULTI CH RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Страница 41: ... D4 D5 D6 D7 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 74LVQ574 DSP BOARD U1008 U1009 W27C020 DSP BOARD U1007 Q0 Q7 CE OE A0 CONTROL OUTPUT BUFFER CORE ARRAY DECODER PGM VCC GND VPP A17 31 22 24 IC BLOCK DIAGRAM 74LVC245 DSP BOARD U1002 U1003 U1014 74VHC245 KEYBOARD U209 NJM4560 DSP BOARD U1011 U1013 U1023 U1025 MULTI CHANNEL U604 U607 PRE OUT BOARD U609 U612 1 A 2 3 4 8 7 6 5 B CS4228AKS DSP BOARD U1021 ...

Страница 42: ...23B NOTE 3 Pin SOT 23B is equivalent to JEDEC TO 236 is for TCM810 74HCU04 DIGITAL BOARD U1201 U1202 1A 1Y 2A 2Y 3A 3Y GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 6A VCC 6Y 5A 5Y 4A 4Y 74HC251 DIGITAL BOARD U1203 PIN4 D0 W PIN6 Y PIN5 PIN8 GND PIN16 VCC PIN7 STROBE S0 PIN3 D1 S1 PIN2 D2 S2 PIN1 D3 S3 PIN15 D4 S4 PIN14 D5 S5 PIN13 D6 S6 PIN12 D7 PIN11 A PIN10 B PIN9 C S7 S0 S0 S1 S1 S2 S2 S3 S3 S4 S4 S5 S...

Страница 43: ...Q STAGES 3 7 2 2 2 2 2 2 2 2 Q3 Q2 Q1 VSS VDD Q7 Q8 Q6 Q5 Q4 CL CL CL CL p n TL TL p n p n TL TL p n p n VDD VSS PCB 44 45 43 37 36 41 38 RDIO BK LATB LDIO RDIN RDOUT LDIN LDOUT DIR CLK SQ1 SQ64 QB1 HVO1 HVO23 G QB23 DIRECTION CONTROL UNIT SHIFT UNIT LATCH UNIT DIR RDIO LDIO DIR CLKB QB24 HVO24 HVO41 G QB41 LATCH UNIT 51 73 82 99 QB42 HVO42 HVO64 G QB64 LATCH UNIT 08 30 VDD2 02 31 50 79 VSS2 05 34...

Страница 44: ...Port Latch Serial Port Timer Interrupt Logic ACC ALU REG1 ALU REG2 PSW ALU B Register Stack Pointer Clocks and Control OSC Instruction Register RAM Addr Register 512 Bytes RAM XTAL1 XTAL2 PSEN ALE EA RST 64K bytes MTP Memory 74HC4051 KEYBOARD U208 S VIDEO BOARD U4102 U4103 COMPOSITE VIDEO U4201 4 6 COM OUT IN 7 5 INH VEE GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC 2 1 0 3 A B C CHANNELS IN OUT ...

Страница 45: ...IN OUT X CHANNELS IN OUT X CHANNELS IN OUT Y CHANNELS IN OUT 74HC4052 BA7660FS COMPONENT VIDEO BOARD U4301 MUTE INA GND INB GND N C INC GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OUTA1 VCC OUTA2 OUTB1 OUTB2 N C OUTC1 OUTC2 75W 6dB 75W 6dB 6dB 75W 74HC4052 COMPONENT VIDEO BOARD U4302 U4303 LC74763 S VIDEO BOARD U4101 ...

Страница 46: ...46 M61516FP MULTI CHANNEL BOARD U601 ...

Страница 47: ...35 45 45 66 65 33 42 50 19 20 45 43 47 45 43 24 23 29 45 54 49 42 17 45 42 44 36 60 61 63 45 52 41 56 57 51 7 44 11 34 42 62 45 58 44 1 59 55 45 45 45 64 45 30 25 16 14 31 45 12 45 8 44 26 6 9 15 22 4 32 38 2 3 39 37 10 40 EXPLODED VIEW ...

Страница 48: ...E GREY 1 15 T 10 0772022 73 01 POWEER BUTTON TACTACTIVATE TITANIUM 1 16 AH C 10 0772045 72 01 POWER BUTTON BEZEL GREY 1 16 T 10 0772045 73 01 POWER BUTTON BEZEL TITANIUM 1 17 11 0570075 80 01 L BRACKET 3 18 AH C 11 0743000 95 10 FASCIA GREY 1 18 C 11 0743000 94 10 FASCIA TITANIUM 1 19 AH C 11 0743003 95 12 TOP COVER GREY 1 19 T 11 0743003 97 12 TOP COVER SILVER 1 20 AH 11 0743006 94 10 REAR PANEL ...

Страница 49: ... 16 0320560 09 20 SPRING WASHER I D 3 2 X O D 5 6 0 9mm 15 55 16 0350080 04 35 STEEL WASHER I D 3 5 X O D 8 0 0 4mm ZINC 4 56 16 0520080 12 30 SPRING WASHER I D 5 2 X O D 8 X 1 2 ZINC 4 57 16 0561200 10 20 STEEL WASHER I D 5 6 X O D 12 X 1 NI 8 58 17 0500960 00 01 PCB SUPPORTER H 9 6mm PCB HOLE 4mm 3 59 17 1402603 30 22 RUBBER FOOT I D14 X O D26 X 3 4 60 AH 29 4000004 00 38 AM FM TUNER MODULE KST ...

Страница 50: ...1 D536 D530 D529 20 3222002 02 01 DIODE ZENER BZX55 22V 1 2W 5 COILS L501 L503 24 1000001 00 28 AIR COIL 0 2uH 10 1 X 9 X 13 5 TURNS THERMISTOR M504 23 6110100 00 08 PTC 100 OHM PTH9MO4BH471TS2F333 THERMAL PROTECTOR M505 39 0000007 00 15 THERMAL CUT OFF SWITCH 90C UP72 RELAY M506 32 3124051 03 40 RELAY POWER DC24V 5A 250V 2P1T TRANSISTORS Q504 Q506 Q516 Q518 Q529 Q530 21 1011210 50 12 XTR PW PNP 1...

Страница 51: ...24 C823 22 4210402 00 31 CAP MPF 0 1uF 63V 5 DMF 5 SERIES C845 C846 22 3106052 00 43 CAP ELEC SS 1uF 50V 20 C847 C848 22 3101022 00 43 CAP ELEC SS 100uF 16V 20 DIODES D522 D523 D801 D806 D809 D821 D824 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 COILS L801 L802 24 1000001 00 28 AIR COIL 0 2uH 10 1 X 9 X 13 5 TURNS RELAYS M501 M502 M801 32 3124051 03 40 RELAY POWER DC24V 5A 250V 2P1T TRANSISTORS Q543...

Страница 52: ...MD 100pF 50V 10 X7R 0603 C1132 45 0102055 55 57 CAP CER SMD 1nF 50V 10 X7R 0603 C1010 C1007 45 0103055 55 57 CAP CER SMD 10nF 50V 10 X7R 0603 C1001 C1003 C1017 C1019 C1074 45 0104056 57 57 CAP CER SMD 0 1uF 50V 20 C1076 C1095 C1097 C1099 C1123 Y5V 0603 C1128 C1141 C1142 C1006 C1121 45 0221055 55 57 CAP CER SMD 220pF 50V 10 X7R 0603 C1032 C1036 C1042 C1046 C1052 45 0222055 55 57 CAP CER SMD 2 2nF 5...

Страница 53: ...260 04 70 I C DD DTS MPEG DECODER PLCC CS49326 U1002 U1003 U1014 27 0324590 24 00 I C OCTAL BIDIRECTIONAL TRANS CEIVER SMD 74LVC245ATTR U1004 27 0115790 25 00 I C QUAD 2 INPUT SELECTOR SOIC 74HC157MIR U1005 27 9841500 25 53 I C 96KHz DIGITAL AUDIO INTERFACE RECEIVER SMD CS8415A CS U1007 27 2325607 00 88 I C EEPROM 256 X 8 BYTE 70nS PDIL W27C02 70 U1008 U1009 27 0657490 18 00 I C OCTAL D FLIP FLOPS...

Страница 54: ...TORS J4301 J4303 44 0000020 51 00 RES SMD 0 OHM 5 1 16W 0603 DIGITAL BOARD PCB ASSEMBLY 80 0907430 47 00 DIGITALASSEMBLY CAPACITORS C1213 C1214 22 3226052 00 43 CAP ELEC SS 2 2uF 50V 20 C1222 C1223 22 3101022 00 43 CAP ELEC SS 100uF 16V 20 RCA JACKS J1001 J1004 34 4010320 00 60 RCA JACK 1 BLACK PCB MOUNT FIBRE OPTICAL J1005 J1006 26 6701380 01 16 OPTIC RECEIVING UNIT GP1FA550RZ SLIDE SWITCH S1 35 ...

Страница 55: ...44 0470120 51 00 RES SMD 4 7K OHM 5 1 16W 0603 R222 44 0220020 51 00 RES SMD 220 OHM 5 1 16W 0603 R221 R230 44 0220120 51 00 RES SMD 2 2K OHM 5 1 16W 0603 R233 44 0470220 51 00 RES SMD 47K OHM 5 1 16W 0603 R216 R225 R234 44 0100120 51 00 RES SMD 1K OHM 5 1 16W 0603 R238 44 0120220 51 00 RES SMD 12K OHM 5 1 16W 0603 R241 R242 44 0100020 51 00 RES SMD 100 OHM 5 1 16W 0603 R251 R252 44 0100520 51 00 ...

Страница 56: ...0 22 3470052 00 43 CAP ELEC SS 47uF 50V 20 85C C711 C713 22 3102052 30 28 CAP ELEC KM 1000uF 50V 20 105C C715 22 4210502 00 31 CAP MPF 1uF 63V 5 DMF 5 SERIES C724 C721 22 3222032 30 28 CAP ELEC KM 2200uF 25V 20 105C DIODES D701 D710 20 1001401 20 44 DIODE RECT 1A 400V DO41 1N4004 D711 20 3203102 00 01 DIODE ZENER BZX55 30V 1 2W 5 D715 20 5004700 50 02 DIODE BRI 4A 70V RS402L D716 D717 20 3951943 5...

Страница 57: ... SW 4NS DO35 1N4148 D602 D604 20 3275902 00 01 DIODE ZENER BZX55 7 5V 1 2W 5 INDUCTORS L601 L602 24 0101108 00 28 IND CHOKE 100uH 10 RCA JACK M601 34 4040420 00 60 RCA JACK 4 R R W W PCB MOUNT M602 34 4020320 00 60 RCA JACK 2 B B PCB MOUNT M603 34 4060420 00 60 RCA JACK 6 R R R W W W PCB MOUNT TRANSISTORS Q601 21 0000140 00 11 XTR SS NPN HFE 120 100MHz TO 92 SS8050C Q602 21 0100131 00 11 XTR SS PN...

Страница 58: ...N1241A Q616 Q618 Q622 Q624 21 0100390 70 14 XTR SS PNP HFE 30 250MHz SPT DTA 114ESA RESISTORS R635 R642 R647 R654 R678 23 1220102 00 00 RES MF 2 2K OHM 1 1 6W R636 R643 R648 R655 R672 R679 23 1330002 00 00 RES MF 330 OHM 1 1 6W ICs U609 U610 U612 27 9456000 18 14 I C NJM4560M SO 8 PIN DUAL OP AMP NJM4560M PSU BOARD PSU ASSEMBLY AH 80 0907430 01 00 PSU ASSEMBLY PSU ASSEMBLY C 80 0907430 01 01 PSU A...

Страница 59: ... 35 0101109 00 67 SW POWER TV 8 10A 250VAC STANDBY TRANSFORMER T751 25 0040020 31 18 XFORMER PW EI 35 100V 220V T05382A SECONDARY BOARD PCB ASEMBLY 80 0907430 27 00 SECONDARY ASSEMBLY CAPACITORS C788 C784 C787 C783 C781 C782 C785 22 4210402 00 31 CAP MPF 0 1uF 63V 5 DMF 5 SERIES C790 C791 22 3822062 00 41 CAP ELEC LP 8200uF 63V 20 85C BRIDGE RECTIFIER D781 20 5125401 50 02 BRIDGE RECTIFIER 25A 400...

Страница 60: ... ELEC SS 2 2uF 50V 20 85C C4162 C4167 C4171 C4173 22 3221012 00 43 CAP ELEC SS 220uF 10V 20 85C C4175 22 4247302 00 31 CAP MPF 0 047uF 63V 5 DMF 5 SERIES DIODES D4101 D4109 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 INDUCTORS L4101 24 0569107 00 28 IND CHOKE 5 6uH 10 L4102 24 0220107 00 28 IND CHOKE 22uH 10 DIN JACKS M411 M414 M418 34 4110300 00 60 DIN JACK 1 BLACK PCB MOUNT TRANSISTOR Q4101 Q4104 ...

Страница 61: ...67 SW SLIDE 2P2T RIGHT L 9 REGULATORS U352 27 3001201 07 85 I C VOLT REG 12V 0 1A TO 92 LM78L12 U353 27 3001201 17 14 I C VOLT REG 12V 1A TO 220 NJM7812 VIDEO 6 BOARD PCB ASSEMBLY 80 0907430 45 00 VIDEO 6 BOARD CAPACITORS C4401 C4403 22 3101022 00 43 CAP ELEC SS 100uF 16V 20 85C JACKS M4401 34 4010000 01 60 RCA JACK 1 YELLOW PCB MOUNT M4404 34 4010100 01 60 RCA JACK 1 RED PCB MOUT M4403 34 4010200...

Страница 62: ...4 22 3221012 00 43 CAP ELEC SS 220uF 10V 20 85C DIDOES D4201 D4202 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 J4201 J4202 44 0000027 11 00 RES SMD 0 OHM 5 1 10W 0805 RCA JACKS M421 M422 34 4040020 00 60 RCA JACK 4 Y Y Y Y PCB MOUNT TRANSISTORS Q4201 Q4205 21 0000360 00 00 XTR SS NPN HFE200 700 30MHz 2SC2878A Q4202 Q4206 21 0000380 70 14 XTR SS NPN HFE20 250MHz DTC 123ESA Q4203 Q4204 Q4207 Q4209 Q42...

Страница 63: ...NER S MANUAL T743 GB F D NL 1 61 0743004 43 99 OWNER S MANUAL T743 E I P S 1 37 0020200 00 79 BATTERY AAA 1 5V ER03X 4 65 0752000 00 98 WARRANTY CARD 1 3 83 0752000 01 04 REMOTE CONTROLLER NAD HTR 2 1 4 63 0743001 00 00 POLYFOAM ENDCAP LEFT T743 1 5 63 0743002 00 01 POLYFOAM ENDCAP RIGHT T743 1 6 64 0700001 00 00 POLYBAG MAIN UNIT 1 7 65 0752070 00 99 A3 WHITE PAPER 1 8 64 0743000 00 00 EPE PROTEC...

Страница 64: ...V1 27 ALL ARE ISSUE 3 R3XT74300501 R3XT74301034 V1 27 ONLY POWER AMP BOARD ISSUE 3 R3XT74301235 R3XT74301500 ALL OTHER ISSUE 4 R3YT74301501 R3YT74303000 V1 27 ONLY POWER AMP BOARD ISSUE 3 ALL OTHER ISSUE 4 R3YT74303001 R3YT74305400 V1 27 ALL ARE ISSUE 4 R3ZT74305401 R3ZT74306400 V1 27 ALL ARE ISSUE 4 R41T74306401 R41T74306600 V1 27 ALL ARE ISSUE 4 R44T74306601 R44T74307600 V1 27 ALL ARE ISSUE 4 RE...

Страница 65: ...65 SERVICE MANUAL T 743 A V Receiver NAD ELECTRONICS LTD LONDON ...

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