1. DL manuals
  2. NAD
  3. Amplifier
  4. T 163
  5. Service Manual

NAD T 163 Service Manual

Other manuals for T 163: Owner's Manual

Summary of T 163

  • Page 1

    Nad service manual t 163 t 163 av tuner preamplifier a v t uner preamplifier draft date: 25 mar 2004.

  • Page 2: Safety Information

    2 safety information.

  • Page 3: Service Safety Precautions

    3 service safety precautions 1. Replacing the fuses caution: for continued protection against the risk of fire replace only with same type of fuse. Reference designator part number description f751 33-0151009-00-88 fuse 500ma 250vac time-lag 5x20mm 5t ul/csa/vde/semko f752 33-0111009-00-88 fuse 1a 2...

  • Page 4: Specifications

    4 specifications pre amplifier section rated distortion (2 v@pre-out, thd 20 hz-20 khz fl/c/fr) ≤ 0.1 % (2 v@pre-out, thd 20 hz-20 khz sl/sr/bs) ≤ 0.1 % input sensitivity (2 v@pre-out, 1 khz) 520 ± 20 mv s/n ratio (a-wtd, 1khz, 1 w, 2 v@pre-out, fl/c/fr/sl/sr/bl) ≥≥≥≥≥ 80 db frequency response (20 h...

  • Page 5

    5 dts section output level (vol 0 db) : fl/fr/c/sl/sr track 6 1 khz 90 ± 10 mv channel difference (fl ref) : fl/fr/c/sl/sr track 6 1 khz ± 1.0 db harmonic distortion (audio filter) : fl/fr/c/sl/sr track 10-14 1 khz ≤≤≤≤≤ 0.08 % frequency response (20 hz to 20 khz) track 26-30 +2/-1.5 subwoofer outpu...

  • Page 6

    6 front panel rear panel / front panel view rear panel 1. Monitor out 2. Cd input 3. Fm & am antenna 4. Digital audio input & digital audio output 5. Component video in & component video out 6. Power switch 7. 120v / 230v voltage selector 8. Rs-232 9. Auto trigger switch 10. Ac power inlet 11. Ms ou...

  • Page 7: Disassembly Instructions

    7 disassembly instructions 1. Remove machine screws m4.0 x 8.0 (1 to 6) from the 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 indica...

  • Page 8: Wiring Diagram

    8 audio board pre-out board multi-channel component video board digital board power supply board main board power switch board j753b keyboard tuner video 6 board j753a j901a power led board from transformer j751b from transformer j754b j757a j756a j756b j757b 82-0426135-01-xx cable assy 4 ways #26 2...

  • Page 9: Block Diagram

    9 block diagram.

  • Page 10: Special Function

    10 special function feature keys press on front panel reset for ah version video + tone defeat reset for c version video + tone controls ntsc / pal selection video + memory vfd all display audio + tape monitor am freq. Step am/fm + fm mute details & waveforms on system test & debugging t89c51rd2 (u2...

  • Page 11: Pcb Layout

    11 pcb layout audio board composite video board.

  • Page 12

    12 component video board - component side component video board - copper side digital board - component side digital board - copper side.

  • Page 13

    13 dsp board - copper side dsp board - component side.

  • Page 14

    14 key board / led board - component side key board / led board - copper side.

  • Page 15

    15 main board.

  • Page 16

    16 multi-channel board - component side multi-channel board - copper side.

  • Page 17

    17 power supply (standby) s-video board.

  • Page 18

    18 pre-out board - component side pre-out board - copper side.

  • Page 19

    19 multi source power switch video 6 board led board trigger board.

  • Page 20: Schematic Diagram

    20 schematic diagram audio switch resistors : unless otherwise specified are carbon film. Note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic cap acit ors, unless other wise specified, are 50v , 10%..

  • Page 21

    21 component video resistors : unless otherwise specified are carbon film. Note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic cap acit ors, unless other wise specified, are 50v , 10%..

  • Page 22

    22 e c b 2sa933 dtc144esa e c b dt a144esa 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 cap acit ors, unless other wise specified, are 50v , 10%..

  • Page 23

    23 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 p arts..

  • Page 24

    24 trigger dtc123esa e c b resistors : unless otherwise specified are carbon film. Note: 1 . Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic cap acit ors, unless other wise specified, are 50v , 10%..

  • Page 25

    25 video 6 resistors : unless otherwise specified are carbon film. Note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic cap acit ors, unless other wise specified, are 50v , 10%..

  • Page 26

    26 digital in & out.

  • Page 27

    27 e c b 2sa933 e c b 2sc1740 e c b 2sc1815 2sc2878 dtc144esa dtc123esa e c b s-video note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic capacitors, unless otherwise specified, are 50v, 10%..

  • Page 28

    28 e b c 2sd600k dtc114esa dta114esa e c b main board note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic capacitors, unless otherwise specified, are 50v, 10%..

  • Page 29

    29 e c b rn1241 dta114esa e c b e c b 2sa1016k 2sc2362 pre-out note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic capacitors, unless otherwise specified, are 50v, 5%..

  • Page 30

    30 e c b 2sc1815 dsp 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

    31 keyboard e c b 2sc1815 e c b 2sc1015 note: 1. Resistors, unless otherwise specified, are 1/6w, 5%. 2. All ceramic capacitors, unless otherwise specified, are 50v, 5%..

  • Page 32

    32 e c b 2sc2878 e b c ss8050 ss8550 dta114esa dtc114esa e c b mutli-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 33: Ic Block Diagram

    33 ic block diagram 1 2 3 4 5 6 7 8 9 10 dir a1 a2 a3 a4 a5 a6 a7 a8 gnd 20 19 18 17 16 15 14 13 12 11 vcc g b1 b2 b3 b4 b5 b6 b7 b8 (1) (2) (3) (4) (5) (6) (7) (8) (9) (11) (19) (18) (17) (16) (15) (14) (13) (12) oe ck d0 1d c1 en d1 d2 d3 d4 d5 d6 d7 q0 q1 q2 q3 q4 q5 q6 q7 74lvq574 dsp board: u10...

  • Page 34

    34 cs49326 dsp board: u1001 cs8415a dsp board: u1005 cs4392 dsp board: u1025.

  • Page 35

    35 74hcu04 digital & rs232 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 v cc 6y 5a 5y 4a 4y 74hc251 digital & rs232 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 pin...

  • Page 36

    36 tcm810 keyboard: u214 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 tcm809 xenb tcm810 xenb 1 2 3 *3-p in sot-23b note: *3-pin sot-23b is equivalent to jedec to-...

  • Page 37

    37 hcf4094b keyboard: u204~u207, u211 dsp board: u1029 serial in clock strobe latch 1 3-state 1 output enable 2 serial out q' s 10 serial out q s 9 15 1 d q cl cl 3 cl cl 1 cl cl 2 d q cl cl latch 2 tr tr latch 3 tr tr 3- state 2 3- state 3 3 d q cl cl q stages 3 - 7 2 2 2 2 2 2 2 2 q3 q2 q1 vss vdd...

  • Page 38

    38 t89c51rd2 keyboard: u201 & u202 ba7625 composite video board: u4202 & u4203 s-video board: u4102 & u4103 74hc4051 keyboard: u208 s-video board: u4102, u4103 composite video: u4201 4 6 com out/in 7 5 inh v ee gnd 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 v cc 2 1 0 3 a b c channels in/out channels in...

  • Page 39

    39 0 2 com "y" out/in 3 1 inh v ee gnd 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 v cc 2 1 com "x" out/in 0 3 a b y channels 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 ...

  • Page 40

    40 m61516fp multi-channel board: u601 & u602.

  • Page 41

    41 53 19 38 40 39 39 52 41 18 11 35 7 30 39 36 37 51 49 47 46 43 48 42 20 25 37 1 50 45 37 28 37 12 10 3 36 2 21 6 8 17 9 24 37 22 5 44 29 37 37 26 27 37 37 37 35 35 32 33 34 23 31 4 13 37 14 15 16 e x p l ode d v ie w 50

  • Page 42: Exploded View Parts List

    42 exploded view parts list item part no. Description qty. 1 10-0163017-01-00 plastic foot dome shape 4 2 10-0163045-72-00 linked goggle bezel 2 3 10-0163055-72-01 duo goggle bezel 2 4 10-0752001-00-10 window lens 1 5 10-0752005-72-00 volume bezel 1 6 10-0752007-72-00 video cover 1 7 10-0752022-02-0...

  • Page 43

    43 item part no. Description qty . 51 25-0090060-30-20 xformer pw toroidal 117v/234v 1 tt -0332006-24 5 2 29-4000004-00-38 am/fm tuner module kst -mb114ma0-23 (ah) 1 53 35-0132210-00-78 v o ltage select or 2p2t 10a 1 cul/vde ev -32 am/fm tuner module kst -mb114ma1-23 (c) 29-4000002-00-38.

  • Page 44: Electrical Parts List

    44 electrical parts list reference no. Part no. Description audio board pcb assembly 80-0901630-11-00 audio assembly capacitors c317-c319,c320-c332 22-3100022-00-43 cap elec ss 10uf 16v 20% 85c resistors j3101,j3102 44-0000027-11-00 res smd 0 ohm 5% 1/10w 0805 rca jacks m301,m302 34-4060420-00-60 rc...

  • Page 45

    45 reference no. Part no. Description fibre optical j1008 26-6691386-00-16 fibre optic transmitter gp1fa550tz j1005,j1006 26-6701380-01-16 fibre optic receiving unit gp1fa550rz rca jacks j1001-j1004,j1007 34-4010320-00-60 rca jack 1 black pcb mount ics u1203 27-0125190-18-00 i.C. 8-ch multiplexer-ss...

  • Page 46

    46 reference no. Part no. Description c1141,c1142,c1147,c1148,c1024, 45-0561055-55-57 cap cer smd 560pf 50v 10% x7r c1028,c1034,c1038,c1044,c1048, 0603 c1054,c1058 inductors l1001-l1008 24-0100127-00-28 ind choke 10uh 10% transistors q1001-q1003 21-0000010-00-46 xtr ss npn hef 100 200mhz to-92 c1815...

  • Page 47

    47 reference no. Part no. Description 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 3-stage o/p smd 74lvq574m u1010-u1013,u1023,u1028 27-7055320-18-14 i.C. Audio low noise op-amp smd njm5532m u1015,u1020 27-3031710-06-00 i.C....

  • Page 48

    48 reference no. Part no. Description resistors r201-r207,r213,r219,r223,r224, 44-0100220-51-00 res smd 10k ohm 5% 1/16w 0603 r226,r227,r229,r231,r232 r216,r225,r234 44-0100120-51-00 res smd 1k ohm 5% 1/16w 0603 r217,r218 44-0150120-51-00 res smd 1.5k ohm 5% 1/16w 0603 r220,r254-r269 44-0470120-51-0...

  • Page 49

    49 reference no. Part no. Description capacitors c701,c705,c706,c716,c725 22-3102032-30-28 cap elec km 1000uf 25v 20% 105c c702,c719,c723 22-3101022-30-13 cap elec km 100uf 16v 20% 105c c704 22-3472042-30-35 cap elec 4700uf 35v 105c c707 22-3222042-30-49 cap elec km 2200uf 35v 20% 105c c710 22-34700...

  • Page 50

    50 reference no. Part no. Description c626 22-3221022-00-43 cap elec ss 220uf 16v 20% 85c c627,c628,c633,c634 22-3101022-00-43 cap elec ss 100uf 16v 20% 85c c677,c678,c689,c690 22-3470022-00-43 cap elec ss 47uf 16v 20% 85c c755,c756,c775,c776 22-8226052-00-28 cap elec 2.2uf 50v 20% non-polar c757,c7...

  • Page 51

    51 reference no. Part no. Description capacitors c637,c642,c647,c652,c657, 22-3100022-00-43 cap elec ss 10uf 16v 20% 85c c662,c667,c672,c700,c705 c640,c645,c650,c655,c660, 22-3220022-00-43 cap elec gs 22uf 16v 20% 85c c665,c670,c675,c703,c708 c679,c680,c691,c692,c751, 22-3470022-00-43 cap elec ss 47...

  • Page 52

    52 reference no. Part no. Description r636,r643,r648,r655,r660, 44-0330010-51-00 res smd 330 ohm 1% 1/16w 0603 r667,r672,r679,r695,r702 r637,r644,r649,r656,r661, 44-0100120-51-00 res smd 1k ohm 5% 1/16w 0603 r668,r680,r696,r703,r729, r739,r749,r759,r769,r779, r789,r799,r809,r819 r639,r651,r663,r682 ...

  • Page 53

    53 reference no. Part no. Description choke coil l751 24-5400151-00-28 line choke 400uh 1.5a 250vac relays m751 32-1012100-01-97 relay miniature 12vdc 10a 1p1t vde voltage selector m752 35-0132210-00-78 voltage selector 2p2t 10a cul/vde ev-32 transistor q751 21-0000010-00-46 xtr ss npn hef 100 200mh...

  • Page 54

    54 reference no. Part no. Description diodes d4101-d4107 20-0000000-00-13 diode sw 4ns do35 1n4148 inductors l4101 24-0569107-00-28 ind choke 5.6uh 10% axial ec24-5r6k l4102 24-0220107-00-28 ind choke 22uh 10% axial ec24-220k din jack m411-m418 34-4110300-00-60 din jack 1 black pcb mount md-113 tran...

  • Page 55

    55 reference no. Part no. Description silde switch s351 35-4102209-00-67 sw slide 2p2t right l=9 regulators u352 27-3001201-07-85 i.C. Volt reg 12v 0.1a to-92 lm78l12 u353,u354 27-3001201-17-14 i.C. Volt reg 12v 1a to-220 njm7812 video-6 board pcb assembly 80-0901630-45-00 video-6 board capacitors c...

  • Page 56: Packing Diagram & Parts List

    56 packing diagram & parts list 6 4 1 2 3 5 9 7 8 11 10 item part no. Description qty. 1 64-0200001-01-00 polybag manual 1 2 31-6407520-00-98 fm wire antenna 1 31-6472801-00-28 am loop antenna w/stand 1 34-0081004-00-67 300 to 75 ohm adapter 1 34-0081006-00-80 antenna adapter "f" type nickel 1 plt v...

  • Page 57: Version History

    57 version history serial number software ver. Pcb assembly version r38t16300001-r38t16300011 v1.23 only dsp board issue 2, all other are issue 5 r38t16300012-r38t16300016 v1.24 only dsp board issue 2, all other are issue 5 r38t16300201-r38t16300500 v1.25 only dsp board issue 4, all other are issue ...

  • Page 58: Ser

    58 ser vice manual t 163 a v t uner preamplifier nad electronics ltd london.