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NAD T 773, Service Manual

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NAD T 773 Service Manual Download Page 12

11

R522 R545 R571 R835

P501

P502

P503

R835 R836

R897

P802

P801

P803

J511B

J811B

AMPLIFIER ADJUSTMENT

Idle Current

1.

Rotate R522 fully clockwise.

2.

Connect DC millivoltmeter to P501 (i.e. Across half of R523, 0.22 Ohm resistor).

3.

Turn on the unit.

4.

Adjust R522 for 2mV reading on voltmeter.

5.

Leave power on for at least 5 min, and check for idle current again.

6.

Repeat for other channels.

(IN FRONT POWER AMP PCB)
CHANNEL

JUMPER

VR

FL

P502

R545

FR

P53

R571

C

P503

R571

BSR

P501

R522

(IN SURROUND POWER AMP PCB)
CHANNEL

JUMPER

VR

SL

P801

R835

SR

P802

R836

BSL

P803

R897

ISC Sensitivity

Rotate J511B & J811B fully clockwise.

ADJUSTMENT POINT DIAGRAM

FRONT/CENTER AMPLIFIER BOARD

SURROUND AMPLIFIER BOARD

ISC FRONT AMP BOARD

ISC SURROUND AMP BOARD

Summary of Contents for T 773

Page 1: ...NAD SERVICE MANUAL T 773 T 773 A V Receiver A V Receiver DRAFT DATE 1 MAR 2004 ...

Page 2: ...2 SAFETY INFORMATION AH VERSION C VERSION ...

Page 3: ... 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 DEBUGGING 10 ADJUSTMENT POINTS ...

Page 4: ...B 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 ...

Page 5: ...ponse 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 C...

Page 6: ...WITCH 12 SWITCHED AC OUTLETS 13 AC POWER INLET 14 SPEAKERS A B 15 DVD SAT VCR VIDEO 4 VIDEO 5 16 MAIN IN AUDIO PRE OUTS SUBWOOFER OUT 17 TAPE INPUT OUTPUT 18 DISC INPUT 19 7 1 CH INPUTS 1 STANDBY SWITCH 2 STANDBY LED 3 AM FM 6 FM MUTE MODE 4 DISPLAY 5 MEMORY 7 PRESET DOWN UP 8 SEARCH DOWN UP 9 VFL DISPLAY 10 VOLUME SETUP 11 VIDEO AUDIO 12 TAPE MONITOR 13 DIGITALAUDIO SELECTOR 14 EXT 7 1 15 SURROUN...

Page 7: ...ove tapping screw 3 0 x 8 0 9 to 12 from the back panel Refer to Figure No 1 1 2 3 4 8 9 10 11 12 5 6 7 2 Pull both sides of the TOP COVER slightly outwards 13 and tilt approx 35 and then remove in the direction as indicated by the arrow 14 Refer to Figure No 2 Figure No 1 14 13 13 Figure No 2 ...

Page 8: ...8a WIRING DIAGRAM ...

Page 9: ...UL1007 L 140mm 82 0318235 06 XX CABLE ASSY 3 WAYS 18 3 96P UL1015 L 350mm 82 0116436 08 XX CABLE ASSY 1 WAY 16 UL1015 GREEN YELLOW L 100mm CHASSIS GND 82 0526135 01 XX CABLE ASSY 5 WAYS 26 2 5P UL2468 L 150MM 36 2828161 71 XX FFC CABLE 28 PINS P1 25 L 160mm 82 0418235 05 XX CABLE ASSY 4 WAYS 18 3 96P UL1007 L 420mm 82 0418235 01 XX CABLE ASSY 4 WAYS 18 3 96P UL1007 L 280mm 82 0318235 03 XX CABLE A...

Page 10: ...9 BLOCK DIAGRAM ...

Page 11: ... 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 CS49326...

Page 12: ...eading on voltmeter 5 Leave power on for at least 5 min and check for idle current again 6 Repeat for other channels IN FRONT POWER AMP PCB CHANNEL JUMPER VR FL P502 R545 FR P53 R571 C P503 R571 BSR P501 R522 IN SURROUND POWER AMP PCB CHANNEL JUMPER VR SL P801 R835 SR P802 R836 BSL P803 R897 ISC Sensitivity Rotate J511B J811B fully clockwise ADJUSTMENT POINT DIAGRAM FRONT CENTER AMPLIFIER BOARD SU...

Page 13: ...12 PCB LAYOUT AUDIO BOARD COMPONENT SIDE AUDIO BOARD COPPER SIDE ...

Page 14: ...13 COMPONENT VIDEO BOARD COMPONENT SIDE COMPONENT VIDEO BOARD COPPER SIDE DIGITAL BOARD COMPONENT SIDE DIGITAL BOARD COPPER SIDE ...

Page 15: ...14 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...

Page 16: ...15 FRONT CENTER AMPLIFIER BOARD COMPONENT SIDE ...

Page 17: ...16 FRONT CENTER AMPLIFIER BOARD COPPER SIDE ...

Page 18: ...17 SURROUND AMPLIFIER BOARD COMPONENT SIDE ...

Page 19: ...18 SURROUND AMPLIFIER BOARD COPPER SIDE ...

Page 20: ...19 KEY BOARD LED BOARD COMPONENT SIDE KEY BOARD LED BOARD COPPER SIDE ...

Page 21: ...20 MAIN BOARD ...

Page 22: ...21 MULTI CHANNEL BOARD COMPONENT SIDE COPPER SIDE TRIGGER BOARD ...

Page 23: ...22 POWER SUPPLY STANDBY ISC FOR FRONT AMP BOARD COMPONENT SIDE COPPER SIDE ...

Page 24: ...23 ISC FOR SURROUND AMP BOARD COMPONENT SIDE COPPER SIDE COMPOSITE VIDEO BOARD ...

Page 25: ...24 PRE OUT BOARD COMPONENT SIDE ...

Page 26: ...25 PRE OUT BOARD COPPER SIDE ...

Page 27: ...26 SPEAKER TERMINAL BOARD POWER SWITCH VIDEO 6 BOARD SECONDARY BOARD ...

Page 28: ...27 S VIDEO BOARD ...

Page 29: ...8 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 30: ...29 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 31: ...DTC144ESA E C B DTA144ESA 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 32: ... RESISTORS RN CERMIC CASE MO METAL OXIDE F FUSIBLE 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 33: ...32 POWER SUPPLY SECONDARY NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Page 34: ...33 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 35: ...34 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 36: ...35 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 37: ...C B 2SC1815 2SC2878 DTC144ESA DTC123ESA DTA144ESA 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 38: ...C B RN RN RN RN FRONT CENTER BACK SURROUND RIGHT 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 39: ...0K 2SD631K DTC123ESA E C B E C B 2SA1016K 2SC2362 E C B 2SC1740S E C B 2SB772 RN RN RN 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 40: ...39 SPEAKER A B ...

Page 41: ...40 DIGITAL IN OUT ...

Page 42: ...41a 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 43: ...41b 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 44: ...42 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 ...

Page 45: ...43 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 46: ...44 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 47: ... C SS8050 SS8550 DTC144ESA DTA144ESA 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 48: ... 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 NJM5532 DSP BOARD U1010 U1013 U1023 U1028 MULTI CHANNEL U6104 U6107 PRE OUT BOARD U609 U613 ISC FRONT BOARD U8101 ISC SURROUND BOARD U8102 1 A 2 3 4 8 7 6 5 B CS4360KZ DS...

Page 49: ...47 CS49326 DSP BOARD U1001 CS8415A DSP BOARD U1005 CS4392 DSP BOARD U1025 ...

Page 50: ...0 9 8 6A VCC 6Y 5A 5Y 4A 4Y CS5333KZ DSP BOARD U1027 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 51: ... D SW B SW C TCM810 KEYBOARD U214 LC4966 COMPOSITE VIDEO U4201 S VIDEO BOARD U4104 MULTI CHANNEL U6103 AT24C16 KEYBOARD U210 SDA VSS SCL WC VCC E2 M24Cxx 1 2 3 4 8 7 6 5 E2 E2 E2 NC E1 E1 E1 NC NC E0 E0 NC NC NC 1Kb 2Kb 4Kb 8Kb 16Kb VCC 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 ...

Page 52: ...D Q CL CL 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 ...

Page 53: ...51 T89C51RD2 KEYBOARD U201 U202 74HC4051 KEYBOARD U208 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 CHANNELS IN OUT CHANNELS IN OUT 74HC4051 ...

Page 54: ... 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 DS232A DIGITAL BOARD U901 ...

Page 55: ...53 LC74763 S VIDEO BOARD U4101 BA7625 COMPOSITE VIDEO BOARD U4202 U4203 S VIDEO BOARD U4102 U4103 ...

Page 56: ...54 M61516FP MULTI CHANNEL BOARD U6101 U6102 ...

Page 57: ... 74 50 46 25 57 73 49 45 47 41 42 18 54 51 10 43 9 49 27 44 13 49 6 64 47 30 20 36 5 14 22 43 7 3 4 28 16 15 12 49 49 21 56 49 66 70 2 69 35 49 49 48 49 47 45 33 11 8 17 19 52 37 60 53 79 75 EXPLODED VIEW ...

Page 58: ...56 58 47 24 32 34 45 77 47 55 65 66 78 26 62 59 29 76 39 40 38 23 EXPLODED VIEW ...

Page 59: ...57 168 725 20 7 75 16 250 5 1 61 80 63 72 31 71 68 67 EXPLODED VIEW ...

Page 60: ...772003 85 11 TOP COVER 1 26 11 0772004 80 07 BOTTOM CABINET 1 27 11 0772025 80 00 SUBFASCIA 1 28 11 0772028 95 00 SIDE CAP L 1 29 11 0772035 80 00 LARGE FAN MOUNTING BRACKET 1 30 11 0772038 95 00 SIDE CAP R 1 31 11 0772055 80 00 TRANSFORMER BRACKET 2 32 11 0772058 94 02 EXTRUDED HEATSINK L 1 33 11 0772065 80 00 POWER BUTTON BRACKET 1 34 11 0772068 94 00 EXTRUDED HEATSINK R 1 35 11 0772078 80 00 HE...

Page 61: ...50160 10 30 METAL WASHER ID8 5 X OD16 X 1 0mm NI PLT 2 68 16 0851500 12 30 SPRING WASHER I D 8 5 X O D 12 5 X 1 9THK 2 69 17 0500960 00 01 PCB SUPPORTER ìKSSî 3 70 17 1402603 30 22 RUBBER FOOT I D14 X O D26 X 3 PORON 4 HH 48C 71 25 0090062 00 21 XFORMER PW TOROIDAL 120V 240V TI 033080 1 72 25 0090063 00 21 XFORMER PW TOROIDAL 120V 240V TI 033081 1 73 AH 29 4000004 00 38 AM FM TUNER MODULE KST MB11...

Page 62: ...IR COIL 0 2uH 10 1 X 9 X 13 5 TURNS RELAYS M501 M502 M505 32 3124051 03 40 RELAY POWER DC24V 5A 250V 2P1T THERMISTORS M504 M507 23 6110100 00 08 THERMESTOR PTC 100 OHM THERMAL PROTECTOR M506 39 0000007 00 15 THERMAL CUT OFF SWITCH 90C UP72 TRANSISTORS Q501 Q503 Q511 Q513 Q515 Q523 21 0000410 00 12 XTR SS NPN HFE160 320 130MHz Q525 Q527 Q535 Q801 Q803 Q805 Q821 2SC2362KF Q504 Q506 Q516 Q518 Q529 Q5...

Page 63: ... C872 22 3100022 00 43 CAP ELEC SS 10uF 16V 20 85C DIODES D801 D809 D814 D818 D820 D825 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 D871 D872 D875 D873 20 1001401 20 44 DIODE RECT 1A 400V DO41 1N4004 D879 20 3133912 20 36 DIODE ZENER BZX85 3 3V 1W 5 COILS L801 L803 24 1000001 00 28 AIR COIL 0 2uH 10 1 X 9 X 13 5 TURNS RELAYS M801 M802 32 3124081 02 40 RELAY POWER DC24V 8A 250V 2P1T THERMESTOR M807 2...

Page 64: ... C1094 C1060 C1073 22 3471022 00 28 CAP ELEC GR 470uF 16V 20 85C C1079 C1171 C1172 22 3100022 00 43 CAP ELEC SS 10uF 16V 20 85C C1092 C1152 C1154 22 4210502 00 31 CAP MPF 1uF 63V 5 DMF 5 SERIES C1109 C1112 C1001 22 3470022 00 43 CAP ELEC SS 47uF 16V 20 85C C1119 C1133 C1182 22 3102022 00 28 CAP ELEC GR 1000uF 16V 20 85C C1137 C1138 C1143 C1144 22 3100052 00 43 CAP ELEC SS 10uF 50V 20 85C C1002 C10...

Page 65: ...3 R1115 44 0100020 51 00 RES SMD 100 OHM 5 1 16W 0603 R1181 R1184 R1116 R1117 R1122 R1123 44 0562117 51 00 RES SMD 5 62K OHM 1 1 10W 0603 R1118 R1119 R1124 R1125 44 0118117 51 00 RES SMD 1 18K OHM 1 1 10W 0603 R1130 R1173 R1176 44 0470220 51 00 RES SMD 47K OHM 5 1 16W 0603 R1166 44 0100120 51 00 RES SMD 1K OHM 5 1 16W 0603 R1177 R1178 44 0150020 51 00 RES SMD 150 OHM 5 1 16W 0603 R1195 R1198 44 02...

Page 66: ...TORS C4301 C4309 22 3226052 00 43 CAP ELEC SS 2 2uF 50V 20 85C C4310 C4312 C4325 22 3100022 00 43 CAP ELEC SS 10uF 16V 20 85C C4313 C4315 22 3106052 00 43 CAP ELEC SS 1uF 50V 20 85C C4316 C4318 C4320 22 3101022 00 43 CAP ELEC SS 100uF 16V 20 85C C4317 C4319 C4321 22 3220022 00 43 CAP ELEC GS 22uF 16V 20 85C DIODES D4301 D4302 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 RESISTORS J4301 J4303 44 00000...

Page 67: ... 74 01 ISC SURROUND ASSEMBLY CAPACITORS C8201 C8204 22 4210402 00 31 CAP MPF 0 1uF 63V 5 DMF 5 SERIES C8206 C8210 22 3100022 00 43 CAP ELEC SS 10uF 16V 20 85C DIODES D8201 20 5010401 50 47 DIODE BRI 10A 400V KBK10G D8202 D8203 20 1912601 90 45 DIODE RECT 12A 600V TO 220 TYN612 D8204 D8205 20 3212002 00 36 DIODE ZENER BZX55 12V 1 2W 5 D8206 D8207 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 TRANSISTOR...

Page 68: ... RES RN 0 22 OHM 5 5W SIL 3 PIN R8103 30 0503106 02 22 VR SEMI FIXED RESISTOR CF 50K OHM 30 R8122 R8123 23 2402260 00 00 RES MO 4K OHM 5 3W R837 R839 23 5228330 00 00 RES FUSIBLE 0 22 OHM 10 1 2W R840 R841 23 2228232 00 00 RES MO 0 22 OHM 5 1 2W IC U8101 27 7055320 18 14 I C AUDIO LOW NOISE OP AMP SMD NJM5532M KEYBOARD PCB ASSEMBLY 80 0907730 02 00 KEYBOARD ASSEMBLY CAPACITORS C208 C211 22 3470022...

Page 69: ... OHM 5 1 16W 0603 R233 44 0470220 51 00 RES SMD 47K 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 RES SMD 10M OHM 5 1 16W 0603 R269 44 0000027 11 00 RES SMD 0 OHM 5 1 10W 0805 TACT SWITCHES S201 S219 35 1001117 00 67 SW TACT NO 1P1T 50mA 12V ICs U201 U202 27 1086401 04 25 I C MCU SCRAM PLCC T89...

Page 70: ... DIODE BRI 4A 70V RS402L D716 D718 20 3951943 50 01 DIODE ZENER ZY5 1 2W 10 TRANSISTORS Q701 21 1011210 50 12 XTR PW PNP 1A 100V TO 126 2SD600KE REGULATORS U701 U704 U706 27 3000501 17 14 I C VOLT REG 5V 1ATO 220 NJM7805FA U702 U707 27 3001201 17 14 I C VOLT REG 12V 1ATO 220 NJM7812 U703 27 3101201 13 14 I C VOLT REG TO 220F NJM7912 MULTI CH BOARD PCB ASSEMBLY 80 0907730 64 00 MULTI CHANNEL ASSEMB...

Page 71: ...70 14 XTR SS NPN HFE30 250MHz SPT DTC114ESA Q6105 Q6106 21 0000360 00 00 XTR SS NPN HFE200 700 30MHz 2SC2878A Q6107 21 0000450 70 14 XTR SS NPN 68 250MHz SPT DTA144ESA Q6108 Q6109 21 0000120 70 14 XTR SS NPN HFE 68 30MHz SPT DTC144ES ICs U6101 U6102 27 7661516 14 01 I C SOUND PROCESSOR VOL TONE M61516FP U6103 27 9496600 21 02 I C QUAD BILATERAL SWITCH LC4966 U6104 U6107 27 7055320 18 14 I C AUDIO ...

Page 72: ... 80 0907730 01 01 PSU ASSEMBLY CAPACITORS C752 22 3476052 00 43 CAP ELEC SS 4 7uF 50V 20 85C C753 22 4210202 00 31 CAP MPF 0 001uF 63V 5 DMF 5 SERIES C763 22 1103960 37 71 CAP CER 0 01uF 250VAC 20 DIODES D751 D756 20 0000000 00 13 DIODE SW 4NS DO35 1N4148 D752 D755 20 1001401 20 44 DIODE RECT 1A 400V DO41 1N4004 FUSES FUSES HOLDER F751 AH 33 0321111 00 88 FUSE 20A 250V SLOW BLOW 6X32mm 6S UL CSA F...

Page 73: ...25W SPEAKER BOARD PCB ASSEMBLY 80 0907730 67 00 SPEAKER ASSEMBLY SPEAKER TERMINAL M5101 M8101 M5102 34 3000021 00 80 SPEAKER TERMINAL 6P BINDING R B S VIDEO BOARD PCB ASSEMBLY 80 0907730 26 00 S VIDEO ASSEMBLY CAPACITORS C4101 C4107 C4109 C4111 C4113 22 3226052 00 43 CAP ELEC SS 2 2uF 50V 20 85C C4115 C4117 C4120 C4153 C4157 C4108 C4112 C4116 C4156 22 3471012 00 28 CAP ELEC GR 470uF 10V 20 85C C41...

Page 74: ... Q4123 21 0000380 70 14 XTR SS NPN HFE20 250MHz DTC 123ESA Q4132 21 0000010 00 46 XTR SS NPN HEF 100 200MHz TO 92 C1815Y SLIDE SWITCH S4101 35 4102209 00 67 SW SLIDE 2P2T RIGHT L 9 ICs U4101 27 5574763 21 02 I C OSD DIP30SD LC74763 9012 U4102 U4103 27 5076250 21 23 I C AV SWITCH DIP BA7625 U4104 27 9496600 21 02 I C QUAD BILATERAL SWITCH LC4966 CRYSTALS X4101 28 5143200 06 19 CRYSTAL 14 318MHz 30p...

Page 75: ...2 00 43 CAP ELEC SS 2 2uF 50V 20 85C C4210 C4216 C4217 C4204 C4206 C4208 C4211 C4218 22 3471012 00 28 CAP ELEC GR 470uF 10V 20 85C RESISTORS 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 GOLD M423 34 4010000 00 60 RCA 1 Y PCB MOUNT GOLD RS 146G Y TRANSISTORS Q4201 Q4203 Q4207 Q4208 21 0100370 70 14 XTR SS PNP HFE 270 560 1...

Page 76: ...0773004 41 99 OWNER S MANUAL T773 E I P S 1 83 0762000 00 04 REMOTE CONTROLLER NAD ZR 2 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 0773001 00 01 POLYFOAM TOP BOTTOM T773 2 5 64 0762001 00 00 POLYBAG MAIN UNIT 1 6 65 0752070 00 99 A3 WHITE PAPER 1 7 64 0762000 00 00 EPE PROTECTIVE COVER 1 8 AH 36 2881010 07 97 P...

Page 77: ...SUE 4 R3YT77301101 R3YT77301600 V1 26 ONLY AUDIO S VIDEO MULTI CH BOARDS ISSUE 4 ALL OTHER ISSUE 5 R3ZT77301601 R3ZT77301850 V1 26 ONLY AUDIO S VIDEO MULTI CH BOARDS ISSUE 4 ALL OTHER ISSUE 5 R3ZT77301851 R3ZT77301860 V1 26 ONLY AUDIO S VIDEO MULTI CH BOARDS ISSUE 4 ALL OTHER ISSUE 5 R3ZT77301861 R3ZT77301960 V1 26 ONLY AUDIO S VIDEO MULTI CH BOARDS ISSUE 5 ALL OTHER ISSUE 6 REMARK PCB Number 55 0...

Page 78: ...76 SERVICE MANUAL T 773 A V Receiver NAD ELECTRONICS LTD LONDON ...

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