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NAD T743, Service Manual

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NAD T743 Service Manual Download Page 8

8

WIRING DIAGRAM

TUNER

J705A

J705B

FROM TRANSFORMER

32

28

28

29

6

8

31

33

26

27

25

25

24

9

10

12

23

21

20

19

18

17

16

15

14

13

7

4

5

3

2

1

11

22

FOR T2743 120V VER.

FOR T2743 120V VER.

J203A

J713B

J714B

J753B

J204B

J713A

J714A

J782B

J715A

J720A

J709A

J502B

J704A

J707A

J710A

J717A

J719A

J711A

J715B

J604B

J203B

DSP BOARD

J1010B

J1009B

J3103B

J709B

VIDEO 6 INPUT 

LED BOARD

J783A

J782A

J784A

J781A

J786A

J710B

J711B

J704B

J414B

J1010A

J1009A

J602B

J603B

J707B

J414A

J612A

J611A

J717B

J601B

J719B

J601A

J602A

J603A

J604A

J751B

J753A

J754B

J753_N J753_L

J759_L

J758_N

J504A

J612A

J502A

J503A

J501A

J505A

J506A

J504B

J781B

J501B

J506A

J503B

J611B

J801A

J204A

J505B

J506B

J801B

J350A

J786B

J201

J701

P4401

P4402

J606B

J350B

J3103B

J606B

Summary of Contents for T743

Page 1: ...NAD SERVICE MANUAL T 743 T 743 A V Receiver A V Receiver DRAFT DATE 06 MAR 2006 PHASE II ...

Page 2: ...2 SAFETY INFORMATION ...

Page 3: ...LY C CT EUROPEAN MODEL 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 PARTS LIST 8 10 BLOCK DIAGRAM 11 SPECIAL FUNCTION...

Page 4: ... Frequency Resporse at 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...

Page 5: ... AHT Input level is expressed as the reading in open circuit of 75 ohm source impedance signal generator Usable sensitivity 98 MHz 15 dBµ µ µ µ µ 15 dBµ µ µ µ µv 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 µ µ µ µ 0 1 5 dB 0 1 5 dB Channel Separation 60 dBµ µ µ µ µ 100 Hz 30 dB 30 dB 1 k 38 dB 38 dB 10 kHz 30 dB 30 dB Alternate Channel Selecti...

Page 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...

Page 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 ...

Page 8: ...07A J710A J717A J719A J711A J715B J604B J203B DSP BOARD J1010B J1009B J3103B J709B VIDEO 6 INPUT LED BOARD J783A J782A J784A J781A J786A J710B J711B J704B J414B J1010A J1009A J602B J603B J707B J414A J612A J611A J717B J601B J719B J601A J602A J603A J604A J751B J753A J754B J753_N J753_L J759_L J758_N J504A J612A J502A J503A J501A J505A J506A J504B J781B J501B J506A J503B J611B J801A J204A J505B J506B...

Page 9: ...13 22 CABLE ASSY 8 WAYS AWG 26X3C L 480mm MAIN BD RoHS J709A 14 276 122613 16 CABLE ASSY 12 WAYS AWG26 2 5P UL2468 MAIN BD L 230mm UL LABEL RoHS J502A 15 276 142613 03 CABLE ASSY 14 WAYS AWG 26 2 5P UL1007 MAIN BD L 440mm UL LABEL RoHS J782B 16 276 032613 15 CABLE ASSY 3 WAYS AWG 26 2 5P UL2854 PO BD L 420mm RoHS J611A 17 276 062613 05 CABEL ASSY 6 WAYS AWG 26 2 5P PO BD UL1533X1C L 350mm RoHS J61...

Page 10: ... 25 L 200mm J720C W SHIELD 30 238 200012 00 FFC CABLE 20 PINS P1 25 L 120mm J604C W SHIELD 31 238 200020 00 FFC CABLE 20 PINS P1 25 L 200mm J713C W SHIELD 32 238 280016 00 FFC CABLE 28 PIN P1 25 L 160mm J602C J603C W SHIELD 33 238 280120 00 FFC CABLE 28 PINS P1 25 L 200mm J714C W SHIELD ...

Page 11: ...11 BLOCK DIAGRAM ...

Page 12: ...WAVEFORMS ON SYSTEM TEST DEBUGGING T89C51RB2 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 MCL...

Page 13: ...Across half of R523 0 22 Ohm resistor 3 Turn on the unit 4 Adjust R522 for 1mV reading on voltmeter 5 Leave power on for at least 5 min and check for idle current again 6 Repeat for other channels CHANNEL JUMPER VR FL P501 R522 FR P502 R545 C P503 R571 SL P801 R835 SR P802 R836 ADJUSTMENT POINT DIAGRAM FRONT CENTER AMPLIFIER BOARD SURROUND AMPLIFIER BOARD ...

Page 14: ...14 PCB LAYOUT AUDIO BOARD POWER SUPPLY STANDBY POWER SWITCH ...

Page 15: ...15 COMPOSITE VIDEO BOARD COMPONENT SIDE COMPOSITE VIDEO BOARD COPPER SIDE ...

Page 16: ...16 COMPONENT VIDEO BOARD COMPONENT SIDE COMPONENT VIDEO BOARD COPPER SIDE DIGITAL BOARD COMPONENT SIDE DIGITAL BOARD COPPER SIDE ...

Page 17: ...17 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...

Page 18: ...18 FRONT CENTER AMPLIFIER BOARD ...

Page 19: ...19 SURROUND AMPLIFIER BOARD ...

Page 20: ...20 KEYBOARD COMPONENT SIDE COPPER SIDE ...

Page 21: ...21 MAIN BOARD ...

Page 22: ...22 MULTI CHANNEL BOARD COMPONENT SIDE COPPER SIDE ...

Page 23: ...23 PRE OUT BOARD COMPONENT SIDE COPPER SIDE ...

Page 24: ...24 SPEAKER TERMINAL BOARD TRIGGER BOARD VIDEO 6 BOARD POWER SUPPLY SECONDARY LED BOARD ...

Page 25: ...25 S VIDEO BOARD COMPONENT SIDE S VIDEO BOARD COPPER SIDE ...

Page 26: ...6 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 ...

Page 27: ...27 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 ...

Page 28: ...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 ...

Page 29: ...29 POWER SUPPLY SECONDARY NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Page 30: ...30 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 ...

Page 31: ...31 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 ...

Page 32: ...32 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 ...

Page 33: ...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 ...

Page 34: ...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 ...

Page 35: ... 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 ...

Page 36: ...36 SPEAKER A B RS 232 ...

Page 37: ...37 DIGITAL IN OUT ...

Page 38: ...38 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 ...

Page 39: ...39 PRE OUT NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 ...

Page 40: ...40 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 ...

Page 41: ...41 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 ...

Page 42: ... 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 ...

Page 43: ...6 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 U605 PRE OUT BOARD U609 U610 U612 U614 U615 1 A 2 3 4 8 7 6 5 B CS4228AKS DSP BOARD U1021 ...

Page 44: ...T VIDEO U4304 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 CS49326 DSP BOARD U1001 74HC157 DSP BOARD U1004 1 15 SELECT STROBE 2 1A 1B 4 1Y 3 5 2A 2B 7 2Y 6 11 3A 3B 9 3Y 10 14 4A 4B 12 4Y 13 74HC157 DSP BOARD U1004 ...

Page 45: ...C RESET RESET GND TCM809xENB TCM810xENB 1 2 3 3 Pin SOT 23B NOTE 3 Pin SOT 23B is equivalent to JEDEC TO 236 is for TCM810 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 S5 S6 S6 S7 S7 ...

Page 46: ...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...

Page 47: ...rt 1 Port 2 Port 3 ParallelI OP orts E xt Bus P1 P2 P3 XRAM 1Kx8 IB bus PCA RESET PROG Watch Dog PCA ECI V ss V CC 2 2 1 1 Timer2 T2EX T2 1 1 Flash 32Kx8 or 16Kx8 Key Board ROM 2Kx8 Boot BRG SPI MISO MOSI SCK 1 1 1 SS 1 T89C51RD2 KEYBOARD U201 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...

Page 48: ...X OUT IN 0 3 A B Y CHANNELS IN OUT X CHANNELS IN OUT X CHANNELS IN OUT Y CHANNELS IN OUT 74HC4052 74HC4052 COMPONENT VIDEO BOARD U4302 U4303 74HC00 COMPONENT VIDEO BOARD U4304 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 4B VCC 4A 4Y 3B 3A 3Y M74HC00 LC74763 S VIDEO BOARD U4101 ...

Page 49: ...49 M61516FP MULTI CHANNEL BOARD U601 ...

Page 50: ...2 13 14 15 16 17 18 18 18 19 19 20 20 21 22 22 22 22 22 20 27 22 23 23 58 22 23 23 24 24 25 26 28 29 30 31 32 33 35 34 22 36 37 38 39 33 75 41 42 43 44 46 47 48 49 50 51 52 53 54 55 56 57 59 60 61 62 63 64 71 65 73 74 67 68 69 70 72 66 40 76 23 23 45 ...

Page 51: ...APPING SCREW DIA2 6 X 5 P H 2 TYPE A NI PLT RoHS 12 601 026060 00 SELF TAPPING SCREW DIA2 6 X 6 P H 6 TYPE A NI PLT RoHS 13 601 026080 01 SELF TAPPING SCREW DIA2 6 X 8 B H 16 TYPE A NI PLT RoHS 14 602 115160 00 BUSHING SQ 11 5 X 16 1 6mm THK BLK 1 NYLON SB4F 4 15 608 140260 01 RUBBER FOOT I D14 X O D26 X 3 PORON 4 HH 48C 16 610 050034 00 NUT M5X3 4 NI PLT 4 17 610 090022 00 NUT ZINC PLATED M9 0 X ...

Page 52: ...UNTING BRACKET 2 46 659 075206 00 PHONE BRACKET 1 47 659 075207 00 DUMMY BRACKET 2 48 659 076200 00 HEX SPACER AF5 5 H8 6 RoHS 10 49 659 077309 00 POWER BUTTON BRACKET H 24 8mm 1 50 659 210013 00 CLIP THERMAL SWITCH 1 51 660 075200 05 BOTTOM CHASSIS R 6 1 52 661 074300 01 TOP COVER PAINTED GREY R 4 1 FOR T743 AH CE VER 661 074300 03 TOP COVER PAINTED SILVER R 4 1 FOR T743 AT CT VER 53 664 075200 0...

Page 53: ...EZEL 1 67 684 077202 02 POWER BUTTON TACT ACTIVATE 1 PAINTED GREY R 1 RoHS FOR T743 AH CE VER 684 077202 04 POWEER BUTTON TACT ACTIVATE 1 PAINTED TITANIUM R 1 RoHS FOR T743 AT CT VER 68 688 075200 01 VIDEO COVER PAINTED GREY 1 FOR T743 AH CE VER 688 075200 02 VIDEO COVER PAINTED TITANIUM 1 FOR T743 AT CT VER 69 691 075200 00 WINDOW LENS RoHS 1 70 694 016304 01 LINKED GOGGLE BEZEL PAINTED GREY 2 Ro...

Page 54: ... C577 C579 130 107052 03 6 E CAP ELEC SS 1uF 50V 20 85C RoHS C580 C582 130 102022 06 8 CAP ELEC SS 100uF 16V 20 85C DIODES D501 D503 D505 D507 D509 D511 300 000000 08 2 E DIODE SW 4NS DO35 1N4148 RoHS D521 D524 D528 D531 D536 D529 D530 303 322200 01 4 DIODE ZENER BZX55 22V 1 2W 5 DO 35 BZX C22 JUMPER BARS J1 J18 670 075200 01 7 JUMPER BAR DIA1 5 X 25 R 1 COILS L502 L503 L501 153 100000 01 7 E AIR ...

Page 55: ...G 12V 1A TO 220 NJM7812 ISOWATT RoHS SURROUND AMP BOARD PCB ASSEMBLY 800 A2BD43 20 T743AH US Phase II Surround Amp Board Assembly CAPACITORS C554 130 221022 03 2 E CAP ELEC GS 22uF 16V 20 85C RoHS C801 C802 130 477052 04 8 E CAP ELEC SS 4 7uF 50V 20 85C RoHS C806 C805 110 102677 00 3 E CAP MYLAR 1000P 100V 10 ST4 0 RoHS C809 C810 130 472022 01 4 E CAP ELEC GR 470uF 16V 20 85C RoHS C815 C816 110 15...

Page 56: ...E Q809 Q812 330 101121 00 6 XTR PW NPN 1A 100V TO 126 2SD600KE Q813 Q814 330 101161 00 7 XTR PW NPN 1 5A 160V TO 220ML 2SC4159E Q818 Q817 330 115231 00 7 XTR PW NPN 15A 230V TO 3PB 2SC5669 Q820 Q819 330 115231 01 8 XTR PW PNP 15A 230V TO 3PB 2SA2031 RESISTORS R836 R835 253 010210 00 9 VR SEMI FIX RES CF 1K OHM B 30 6mm VER RM 063 1K R843 R844 386 022853 01 5 RES RN 0 22 OHM 5 5W SIL 3 PIN COMMAND ...

Page 57: ...SMD C4329 C4330 C4332 C4333 120 104528 71 9 CAP CER SMD 0 1uF 50V 20 Y5V 0603 ICS SMD U4301 505 517660 00 3 IC VIDEO 3 CHANNEL 75 OHM DRIVER SSOP BA7660FS U4302 U4303 500 744052 00 5 IC LOGIC ANALOG MULTIPLEXER DEMULTIPLEXER SMD SOIC 16 74HC4052D PHILIPS U4304 500 080499 00 7 IC LOGIC HEX INVERTER SMD SOP M74HCU04MIR U4305 500 010099 02 2 IC QUAD 2 INPUT NAND GATE SOP M74HC00RM13TR DIGITAL INPUT B...

Page 58: ...130 101022 02 8 E CAP ELEC SS 10uF 16V 20 85C RoHS C1030 C1031 C1051 C1050 C1040 130 337052 01 4 E CAP ELEC SS 3 3uF 50V 20 85C C1041 RoHS C1060 C1073 130 472012 02 7 E CAP ELEC GR 470uF 10V 20 85C RoHS C1096 1098 C1100 106 105076 01 4 E CAP MPF 1uF 63V 5 MEM RoHS C1109 C1113 130 471022 03 1 E CAP ELEC SS 47uF 16V 20 85C RoHS C1117 130 102022 06 8 CAP ELEC SS 100uF 16V 20 85C C1145 C1148 130 22102...

Page 59: ... SMD 4 7K OHM 1 1 16W 0603 R1098 R1101 R1102 R1231 R1242 RoHS R1003 R1006 R1081 390 330126 11 3 RES SMD 3 3K OHM 5 1 16W 0603 R1007 390 330926 11 6 RES SMD 33 OHM 5 1 16W 0603 R1009 398 200326 10 6 E RES SMD 200K OHM 5 1 16W 0603 GP R1010 J1001 R1251 R1253 R1254 390 000026 11 3 RES SMD 0 OHM 5 1 16W 0603 R1013 390 120126 12 3 RES SMD 1 2K OHM 5 1 16W 0603 R1021 R1114 R1131 R1138 R1020 390 100226 1...

Page 60: ...022 03 1 E CAP ELEC SS 47uF 16V 20 85C RoHS C212 130 103012 04 4 E CAP ELEC GR 1000uF 10V 20 85C RoHS C214 130 108052 01 9 E CAP ELEC SS 0 1uF 50V 20 85C RoHS C255 C258 130 107052 03 6 E CAP ELEC SS 1uF 50V 20 85C RoHS IR D201 320 094138 00 8 IR RX 940nm 37 9KHz SHIELD ST FM 7138TE5 DIODES D212 D214 D218 300 000000 08 2 E DIODE SW 4NS DO35 1N4148 RoHS D220 303 385190 00 9 E DIODE ZENER BZX79 5 1V ...

Page 61: ...1 16W 0603 R222 390 068024 70 5 E RES SMD 68 OHM 1 1 16W 0603 RoHS R225 390 560024 11 8 E RES SMD 560 OHM 1 1 16W 0603 RoHS R233 390 470226 11 1 RES SMD 47K OHM 5 1 16W 0603 R234 390 100126 11 3 RES SMD 1K OHM 5 1 16W 0603 R238 390 120226 11 8 RES SMD 12K OHM 5 1 16W 0603 029634532B R241 R242 390 100026 11 6 RES SMD 100 OHM 5 1 16W 0603 R251 R252 398 100526 10 6 E RES SMD 10M OHM 5 1 16W 0603 GP R...

Page 62: ...1052 70 1 E CAP ELEC SS 47uF 50V 20 85C RoHS C711 C713 C741 130 103052 03 4 E CAP ELEC KM 1000uF 50V 20 105C RoHS C715 106 105076 01 4 E CAP MPF 1uF 63V 5 MEM RoHS C719 130 101022 10 6 E CAP ELEC KM 100uF 16V 20 105C RoHS C734 C735 130 101022 02 8 E CAP ELEC SS 10uF 16V 20 85C RoHS DIODES D701 D710 301 010071 00 3 E DIODE RECT 1A 1000V DO41 WIN4007 REEL RoHS D711 303 320310 02 8 DIODE ZENER BZX55 ...

Page 63: ... DMF 5 SERIES C780 C793 130 101022 02 8 E CAP ELEC SS 10uF 16V 20 85C RoHS DIODES D602 D604 303 327590 00 1 DIODE ZENER BZX55 7 5V 1 2W 5 DO35 BZX55 C7 5V INDUCTORS L601 L602 152 010110 03 3 E IND CHOKE 100uH 10 AXIAL EC24 101K RoHS RCA JACKS M601 265 404042 00 4 RCA JACK 4 R R W W PCB MOUNT GOLD W SHIELD M602 265 402032 00 5 RCA JACK 2 B B PCB MOUNT GOLD W SHIELD M603 265 406042 00 5 RCA JACK 6 R...

Page 64: ...5 402030 00 7 RCA JACK 2 B B PCB MOUNT GOLD RS 213G 02 W M609 265 402040 00 5 RCA JACK 2 R W PCB MOUNT GOLD W O COVER M607 265 404050 00 4 RCA JACK 4 R W R W PCB MOUNT GOLD DIODES D601 D605 D606 D608 D609 300 000000 08 2 E DIODE SW 4NS DO35 1N4148 RoHS D611 D614 301 010071 00 3 E DIODE RECT 1A 1000V DO41 WIN4007 RoHS TRANSISTORS Q608 Q611 Q614 Q615 Q617 Q631 339 000035 00 4 XTR SS NPN HFE200 700 3...

Page 65: ...F 5 SERIES C754 C763 100 103079 35 1 CAP CER ECKDRS 10nF 400VAC 80 20 V RAD ST10 ECKDRS103ZV C755 130 473032 02 8 E CAP ELEC GR 4700uF 25V 20 85C RAD EGR478M1EK30RR RoHS DIODES D751 D756 301 010071 00 3 E DIODE RECT 1A 1000V DO41 WIN4007 REEL RoHS FUSES F751 AH AHT 370 010100 00 2 E FUSE TIME LAG 7A 250V 5 X 20mm SIC UL CSA RoHS F752 AH AHT 370 011100 05 3 E FUSE 1 6A 250V TIME LAG LBC 5x20mm TSD ...

Page 66: ... GP SECONDARY BOARD PCB ASSEMBLY 800 SEBD43 20 T743AH US Phase II Secondary Board Assembly CAPACITORS C781 C785 C787 C788 106 104076 01 8 E CAP MPF 0 1uF 63V 5 MEM RoHS C790 C791 130 823062 00 1 CAP ELEC LP 8200uF 63V 20 85C RAD DIODE D781 305 512540 04 5 E BRIDGE RECTIFIER 25A 400V BR254W BR 25W RoHS FUSES F781 F782 370 016100 04 9 FUSE TIME LAG 10A 250VAC 5 X 20mm UL VDE 5D JUMPER BARS J3 J4 670...

Page 67: ...44 130 108052 01 9 E CAP ELEC SS 0 1uF 50V 20 85C RoHS C4145 130 221022 03 2 E CAP ELEC GS 22uF 16V 20 85C RoHS C4146 C4136 106 247076 04 9 E CAP MpF 0 47uF 63V 5 DMF 5 SERIES RoHS C4149 C4134 130 102012 03 7 CAP ELEC SS 100uF 10V 20 85C C4150 130 471022 03 1 E CAP ELEC SS 47uF 16V 20 85C RoHS C4151 130 101022 02 8 E CAP ELEC SS 10uF 16V 20 85C RoHS C4153 C4157 130 227052 04 9 E CAP ELEC SS 2 2uF ...

Page 68: ...318MHz 30ppm 32pF HC 49S RoHS X4102 290 517720 01 5 E CRYSTAL 17 73447MHz 20ppm 30pF HC 49S RoHS ICS SMD U4102 U4103 500 014051 00 9 IC LOGIC SINGLE 8 CH ANALOG MUX DEMUX SMD M74HC4051MIR TRIGGER BOARD PCB ASSEMBLY 800 TRBD43 20 T743AH US Phase II Trigger Board Assembly SLIDE SWITCH S351 182 410220 02 3 SW SLIDE 2P2T RIGHT L 9 JSK022N09 G09 PHONE JACKS M351 M355 M357 270 431030 01 6 PHONE JACK 1 B...

Page 69: ...V 20 85C C4221 C4224 130 222012 03 9 E CAP ELEC SS 220uF 10V 20 85C RoHS DIODES D4201 D4202 300 000000 08 2 E DIODE SW 4NS DO35 1N4148 RoHS RCA JACKS M421 M422 265 404002 00 3 RCA JACK 4 Y Y Y Y PCB MOUNT GOLD W SHIELD TRANSISTORS Q4201 Q4205 339 000036 00 3 XTR SS NPN HFE200 700 30MHz 2SC2878A Q4202 Q4206 339 000038 00 1 XTR SS NPN HFE20 250MHz DTC123ESATP Q4203 Q4204 Q4207 339 010037 00 6 XTR SS...

Page 70: ...0 03 3 OM ADDENDUM BOOKLET T743 1 2 903 074300 06 6 T743 OWNERS MANUAL GB F D NL 1 W WEEE R 2 2 903 074300 07 7 T743 OWNERS MANUAL E I P S W WEEE R 2 1 2 904 075200 00 1 E WARRANTY CARD RoHS 1 3 223 075200 03 6 E REMOTE CONTROLLER NAD HTR 2A RoHS 1 4 901 074300 00 5 E POLYFOAM ENDCAP LEFT T743 RoHS 1 5 901 074300 02 7 E POLYFOAM ENDCAP RIGHT T743 R 1 RoHS 1 6 906 070000 01 5 POLYBAG MAIN UNIT 1 7 ...

Page 71: ...5XT74359231 R5XT74359550 V2 10 555 274305 21 R5YT74359551 R5YT74359750 555 274311 21 ALL OTHER ARE 555 2743 22 R5YT74359751 R5YT74360050 V2 10 555 274305 21 555 274311 21 555 274337 23 ALL OTHER ARE 555 2743 22 R5ZT74360051 R5ZT74360450 V2 11 555 274305 21 555 274311 21 555 274337 23 ALL OTHER ARE 555 2743 22 R61T74360451 ONWARD V2 12 555 274305 21 555 274311 21 555 274337 23 ALL OTHER ARE 555 274...

Page 72: ...72 SERVICE MANUAL T 743 Phase II A V Receiver NAD ELECTRONICS LTD LONDON ...

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