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NAD T 163 Service Manual - 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
C4401,C4402,C4403
22-3226052-00-43 CAP ELEC SS 2.2uF 50V 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
34-4010200-01-60 RCA 1 WHITE PCB MOUNT
M4402
34-4110300-00-60 DIN JACK 1 BLACK PCB MOUNT
J4401
34-4510302-01-80 PHONE JACK D6.3 1 PCB MOUNT
COMPOSITE VIDEO BOARD
PCB ASSEMBLY
80-0901630-66-00 COMPOSITE VIDEO ASSEMBLY
CAPACITORS
C4201,C4202,C4203,C4205,C4207,
22-3226052-00-43 CAP ELEC SS 2.2uF 50V 20% 85C
C4209,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
TRANSISTORS
Q4201-Q4203,Q4207,Q4208
21-0100370-70-14 XTR SS PNP HFE 270-560 140MHz
2SA933AS
Q4204,Q4206
21-0000120-70-14 XTR SS NPN HFE 68 30MHz SPT
DTC144ES
Q4205
21-0000450-70-14 XTR SS NPN 68 250MHz SPT
DTA144ESA
ICs
U4201
27-9496600-21-02 I.C. QUAD BILATERAL SWITCH LC4966
U4202,U4203
27-5076250-21-23 I.C. AV SWITCH DIP BA7625
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.