NAD C162 User manual

NAD
SERVICE MANUAL
C 162
STEREO
PREAMPLIFIER
STEREO PREAMPLIFIER
May 2005

R103
470 MF
R105
470 MF
C102
100p
C103
100p
R107
470 MF
R109
470 MF
R111
470 MF
C104
100p
C105
100p
C106
100p
R113
470 MF
R115
470 MF
R117
470 MF
C107
100p
C108
100p
C109
100p
R116
1M
R114
1M
R112
1M
R104
1M
R106
1M
R108
1M
R110
1M
6
5
4
RL1B
5V
6
5
4
RL2B
5V
6
5
4
RL3B
5V
6
5
4
RL4B
5V
6
5
4
RL5B
5V
6
5
4
RL6B
5V
6
5
4
RL7B
5V
6
5
4
RL8B
5V
RCA1A
PHONO MC
RCA1C
PHONO MM
RCA2A
CD
RCA2C
VIDEO
RCA3A
AUX
RCA3C
TUNER
RCA4C
REC2
RCA5A
TAPE1
RCA5C
REC1
R101
220 MF
B1
RV3A
10KA
RCA4A
TAPE2
RCA6A
PREOUT1 RCA6B PREOUT 1
RCA6C
PREOUT 2
RCA6D
PREOUT 2
C301
100P
C302
0.1u
C304
820P
C303
470u/16V
L301
100uH
R301
1K5
1% MF
R302
N.I.
R303
1K
1% MF
R304
120
1% MF
R305
1K
R306
1K
1% MF
R307
11
1% MF
R308
1K
1% MF
R309
240
R310
200
1% MF
R311
1K5
R312
N.I.
R313
22K MF
C305
100u/25V
C306
470u/25V C307
470u/25V
C308
68P
C309
4u7/25V
C310
470u/25V
Q301
2SC3329
Q302
2SA970
Q303
2SB647A
Q304
2SD667A
C311
100P
C312
100P C313
220P
R314
51K
1% MF
R315
220 1% MF
R316
3K3 MF
L302
3.7mH
+18V
1 2 3
SW1A
MM/MC
C317
4u7
20%
C319
47u
C320
47u
C321
47u
C322
100u/25V
C323
100u
C325
47u
10%
C316
0.1u
R318
213
1% MF
R321
15K
1% MF
R322
10K*
R323
3K3 R324 3K3
R325
4K7 R326 4K7
R332
75 MF R333 11K 1% MF R334 137K 1% MF
R335
8K2 R336 8K2
R337
51K MF
R338
820 MF
Q310
2SC1775AE
+26V
Q311
2SA872AE
V26L
C327
6n82% PE
C328
24n
2% PE
V26L
-26V
C330
2n2
PE
C329
47u
1 2 3 4 5 6 7 8 9 10
M302
C162-LINEIN MODULE
+52V
-52V
PREOUT1-L
PREOUT1-R
PREOUT2-R
PREOUT2-L
R341
3K3 MF
C331
0.1u
R342
100
R343
100
C332
220u R344
2K74
1% MF
R346
499
1% MF
R345
12K MF
R347
1K
1% MF
R348
120
1% MF
A1
RV1A
10KA
A1
RV2A
10KA
C336
18n
2% PE
C337
0.1u
2% PE
R350
2K74 MF
R351
499MF
C339
0.15u
5% MP
C340
1u
5% MP
C341
470P
A1
RV4A
20K MN
R349
36K
ON
OFF
BALANCE
BASS
TREBLE
1
2
3SW2A
DPDT
C333
0.1u
C335
6n8
C338
22n
R352
21.1K
1% MF
R317
10K
5% MF
C315
43P
B2
RV3B
10KA
C432
220u R444
2K74
1% MF
R446
499
1% MF
R445
12K MF
R447
1K
1% MF
R448
120
1% MF
A2
RV1B
10KA
A2
RV2B
10KA
C436
18n
2% PE
C437
0.1u
2% PE
R450
2K74 MF
R451
499 MF
C439
0.15u
5% MP
C440
1u
5% MP
C441
470P
A2
RV4B
20K MN
R449
36K
ON
OFF
BASS
TREBLE
4
5
6SW2B
DPDT
C433
0.1u
C435
6n8
C438
22n
R452
21.1K
1% MF
R203
470 MF
R205
470 MF
C202
100p
C203
100p
R207
470 MF
R209
470 MF
R211
470 MF
C204
100p
C205
100p
C206
100p
R213
470 MF
R215
470 MF
R217
470 MF
C207
100p
C208
100p
C209
100p
R216
1M
R214
1M
R212
1M
R204
1M
R206
1M
R208
1M
R210
1M
3
2
1
RL2A
5V
3
2
1
RL3A
5V
3
2
1
RL4A
5V
3
2
1
RL5A
5V
3
2
1
RL6A
5V
3
2
1
RL7A
5V
3
2
1
RL8A
5V
RCA1B
PHONO MC
RCA1D
PHONO MM
RCA2B
CD
RCA2D
VIDEO
RCA3B
AUX
RCA3D
TUNER
RCA4D
REC2
RCA5B
TAPE1
RCA5D
REC1
R201
220 MF
RCA4B
TAPE2
C401
100P
C402
0.1u
C404
820P
C403
470u/16V
L401
100uH
R401
1K5
1% MF
R402
N.I.
C411
100P
C412
100P C413 220P
R414
51K
1% MF
R415
220 1% MF
R4163K3 MF
L402
3.7mH
4 5 6
SW1B
MM/MC
R441
3K3 MF
3
2
1
RL1A
5V
R403
1K
1% MF
R404
120
1% MF
R405
1K
R406
1K
1% MF
R407
11
1% MF
R408
1K
1% MF
R409
240
R410
200
1% MF
R411
1K5
R412
N.I.
R413
22K MF
C405
100u/25V
C406
470u/25V C407
470u/25V
C408
68P
C409
4u7/25V
C410
470u/25V
Q401
2SC3329
Q402
2SA970
Q403
2SB647A
Q404
2SD667A
+18V
C431
0.1u
C343
0.22uPE
C344
100u C345
220P
R353
75/FS 0.5W
R354
22K
R355
330
6
5
4
RL9B
5V
PREOUT1-L
R356
4K7
R357
4K7
R358
3K3 1% MF
R359
1K 1% MF
R361
100
C346
220P
C347
0.1u
C348
0.1u
C349 220P
C351
2n2
C6
10n
3
2
1
84
IC1A
NE5532A
5
6
7
IC1B
NE5532A
Q313
2SC2878
+18V
-18V
A1
RV5A
1K
PREOUT2-L
C443
0.22u PE
C444
100u
C445
220P
R453
75/FS 0.5W
R454
22K
R455
330
3
2
1
RL9A
5V
PREOUT1-R
R456
4K7
R457
4K7
R458
3K3 1% MF
R459
1K 1% MF
R461
100
C446
220P
C449 220P
C451
2n2
Q413
2SC2878
A2
RV5B
1K
PREOUT2-R
4
2
5
3
1
6
9
8
7
PJ1
PHONEJACK
+26V
PMUTE
-26V
PMUTE
RELDRV2
RELDRV1
AC S1
AC S2
+
+
-
-
B701
RS507L
AC S1
AC S2
+
+
-
-
B702
RS507L
AC S1
AC S2
+
+
-
-
B703
RS507L
C702
224/250V
C703
224/100V
C704
224/100V
C707
0.1u
C718
0.1u
C719
0.1u
C730
0.1u
C709
1000u
100V
*
C720
3300u/50V
C721
3300u/50V
C731
2200u/35V
SW701
SW SPST
C701
4n7/400V
C706
0.1u
C708
1000u
100V
*
F706
T0.5A/250VF705
T0.5A/250V
F704
T0.5A/250V
F703T0.5A/250V
F702
T0.5A/250V
R703
15K/0.5W
MF R701
10K
R702
10K
R704
22K/0.5W
MF
Q702
2SD667A
Q701
2SB647A
IN
IC705
LM7812M
IN
IC703 LM317
C735
10uF
C729
10uF
C728
10uF
C734
0.1u
C727
0.1u
C726
0.1u
C733
0.1u
C725
0.1u
C724
0.1u
C732
10uF/35V
C723
10uF/50V
C722
10uF/50V
IN
IC704 LM337
R716 110
R713 110
R715 2K2
R714 2K2
+26V
-26V
+12V
+29V
-29V
IN
IC707
LM7818
C744
10uF
C743
10uF
C746
0.1u
C745
0.1u
C748
0.1u
C747
0.1u
C750
10uF
C749
10uF
IN
IC708
LM7918
+18V
-18V
+26V
-26V
R719
100K
R720
1K
R725
4K7
R726
4K7
D710
1N4148
D714
18V D713
1N4148 D715
1N4148
C751
47u
8
RL9C
5V
Q707
2SC1815 Q708
2SC1815
+5.5V
RELDRV1
RELDRV2
IRMUTE
+29V
STR 1
D2
CLK 3
OE 15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS
9
QS
10
VCC 16
GND
8
IC505
4094
STR 1
D2
CLK 3
OE 15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS
9
QS
10
VCC 16
GND
8
IC504
4094
C502
22P
C503
22P X501
12MHz
C501
0.1u
C513
0.1u
R504
4K7
+5.5V
C VI TU AU T2 T1 DI
K507 VIDEO
K506 AUX
K504 TAPE2
K505 CD
K503 TAPE1 K501 DISC
K502 TUNER
LD502
CD LD504 AUX
LD501
DISC LD505 TUNER
LD503
VIDEO
LD507
TAPE1
LD506
TAPE2 R524
4K7
R508
1K
R523
1K
Q508
A1015
P24 1
P25 2
P26 3
P27 4
VCC 5
X2 6
X1 7
P31 8
P32 9 P33
10 P00
11 P01
12 P02
13 GND
14 P20
15 P21
16 P22
17 P23
18
IC502
Z86C0812PSC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CB501
20PIN
Q501
C1815
Q502
C1815
Q503
C1815
Q504
C1815
Q505
C1815
Q506
C1815
Q507
C1815
R522
4K7
R520
4K7
R518
4K7
R516
4K7
R514
4K7
R512
4K7
R510
4K7
C506
10n C507 10n C508 10n C509 10n C510 10n C511 10n C512 10n
CVI TUAU T2 T1DI
CD VIDEO TUNERAUX TAPE2 TAPE1DISC
CD
VIDEO
TUNER
AUX
TAPE2
TAPE1
DISC
R509 4K7
R511 4K7R513 4K7R515 4K7R517 4K7R519 4K7
R521 4K7
R505
10K
R506
10K
R507
10K
AMBER
GREENGREENGREENGREEN GREEN GREEN
V
S
G
IC503
HS0038
R501
100
R502
100
D501
1N4148
D503
1N4148
D502
1N4148
D504
1N4148
R503
100K
L
RCA7A
NADLINK IN
R
RCA7B
NADLINK OUT
8
1
2
3
4
5
6
7
12
11
10
9
13
14
IC501
74LS00
+5.5V
+5.5V
+5.5V
+5.5V
R525
10K
+5.5V
R732
2K2
R727
2K2 R728 2K2
R729
2K2 R730
2K2
R731
2K2
C752
4u7
C753
4u7
Q711
C1815
Q709
A1015
Q712
C1815
Q710
A1015
MOTOR
M+-
VOLUME CONTROL
C504
10u
R526
1K
C162-KEYBOARD
VOL-UPVOL-DN
+5.5V
8
RL1C
8
RL2C
8
RL3C
8
RL4C
8
RL5C
8
RL6C
8
RL7C
8
RL8C
D716
1N4148
D717
1N4148
D718
1N4148
D719
1N4148
D720
1N4148
D721
1N4148
D722
1N4148
IRMUTE
VOL-DN
VOL-UP
1
2
3
4
5
6
7
8
CB702
8PIN
1
2
3
4
5
6
7
8
CZ702
8PIN
C162-PHONEBOARD
+5.5V
1 2 3 4 5 6 7 8 9 10
M301
C162-MM MODULE
1 2 3 4 5 6 7 8 9
10
M402
C162-LINEIN MODULE
+52V
-52V
V26L
C417
4u7
20%
C419
47u
C420
47u
C421
47u
C422
100u/25V
C423
100u
C425
47u
10%
C416
0.1u
R418
213
1% MF
R421
15K
1% MF
R422
10K*
R423
3K3 R424 3K3
R425
4K7 R426 4K7
R432
75 MF R433 11K 1% MF R434 137K 1% MF
R435
8K2 R436 8K2
R437
51K MF
R438
820 MF
Q410
2SC1775AE
+26V
Q411
2SA872AE
V26R
C427
6n8 2% PE
C428
24n
2% PE
V26R
-26V
C430
2n2
PE
C429
47u
R442
100
R443
100
1 2 3 4 5 6 7 8 9 10
M401
C162-MM MODULE
V26R
1 2 3 4 5 6 7 8 9 10
M303
C162-LINEOUT MODULE
1 2 3 4 5 6 7 8 9
10
M403
C162-LINEOUT MODULE
R733
100
C754
10n
C755 N.I.
R738 N.I.
R320
590 1% MF
R327
499 1% MF
R420
590 1% MF
R427
499 1% MF
C324
39P
C424
39P
+26V
-26V
R319
1K
5% MF
C318
12P
+26V
-26V
R328
499 1% MF
R329
499 1% MF
R428
499 1% MF
R429
499 1% MF
C326
18P
C426
18P
C334
82P
C352
47u
10%
C434
82P
C452
47u
10%
IN
IC701 LM317
C717
10uF/50V
C716
10uF/50V
C715
0.1u
100V
C714
0.1u
100V
C713
0.1u
100V
C712
0.1u
100V
C711
4.7uF
100V
C710
4.7uF
100V
IN
IC702 LM337
R708 115
R705 115
R707 4K7
R706 4K7
+52V
-52V
+59V
-59V
D703
1N4148
D704
1N4148
AC S1
AC S2
+
+
-
-
B704
RS507L
F707
T0.5A/250V
C705
224/100V
D707
1N4148
D708
1N4148 IN
IC706
LM7805
C741
10uF
C740
0.1u
+5.5V
D723
1N4148
D701
1N4148
D702
1N4148
R711
3K3/0.5W
MF R709
10K
R710
10K
R712
6K8/0.5W
MF
Q704
2SD667A
Q703
2SB647A
D705
1N4148
D706
1N4148
C736
0.1u
C737
4700u/25V
R718
3K3 R717
10K
Q705
2SB647A
D709
1N4148
R735
10K
R736
3K3
Q713
2SA1015
R737
1K
Q714
2SC1815
+26V
VCTP
VCTM
P ON/OFF
VCTM
VCTP
VCTP
VCTM
VCTP
LD508
LED2
GRNLED
REDLED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CZ501
20PIN
REDLED
GRNLED
CGND
CGND
MUTEB
MUTEB
+5.5V
Q509
2SC1815 R528
1K
R527
1K
D505
1N4148
D506
1N4148
CGND CGND +5.5VC
+5.5VC
DISC
CD
VIDEO
AUX
TUNER
TAPE2
TAPE1
P ON/OFF
PJ2
+12V OUT
+12V
+5.5VC
C742
10uF/50V
C756
10uF/50V
C757
10uF
C758
10uF
P11
P12
P13
P14
P15
P16
R705--R708=>1% MF
R713--R716=>1% MF
P17
CHASSIS
P18
CHASSIS
C5
10n
C2 N.I.
R2 N.I.
C1 10n
R1 100
P19
CHASSIS
P20
P21
R813
7R5
C801
220P
R802
100 MF
R801
2M2
1% MF
Q801
2SK369
R803
2K2 MF
R811
N.I.
1% MF
Q806
2SA970 Q807
2SD669A
Q808
2SB649A
D801
1N4148
D802
1N4148
C804
25P
R805
68 MF
C806
0.1u
100V
C807
0.1u
100V
VGND
R815
3R3
R814
33
R812
10K
VGND
+VM
-VMVGND
R804
N.I.
1% MF
C802
47P
C805
10u/16V
C803
10u/16V
Q803
2SA970
Q804
2SA970
Q802
2SA970
R806
68 MF
R807
10K MF
VGND
R810
470
R808
0
Q805
2SA1015
R809 68
VLL
VUL
VUCO
VLL
1
2
3
4
5
6
7
8
9
10
CB301
10PIN
-VM
VUCO
VUL
V-IN
V-IN
C162 - MODULE
R816
0
R817 N.I.
R818
N.I.
R819
10K MF
C808
22u/35V
C809
N.I.
C810
220n
PE
Q706
2SA1015
R721
1K
R722
1K2
C738
10u
D711
1N4148
S16V
S16V
NOTE : SOME COMPONENTS IN C162-LINEIN MODULE SHOULD REPLACED WITH :
R330
1K
R430
1K
C350
0.1u
C415
0.1u
D712
1N4148
D724
1N4148
1
2
3
4
5
CZ701
5PIN
1
2
3
4
5
CZ703
5PIN
R723
150K
R724
150K
R734
150K
C739
10u/50V
C759
10u/50V
C7
N.I.
TRANSFORMER:
CE VERSION:TI-67265B
AH VERSION:TI-67266B
C162 POWER
R814: 47 R809: N.I. R813: 6R8 Q805: N.I.
!
!
!
!
!
!!
!
!
MD1B
MD1B
MD1C
MD1C
MD1C
MD1C 1
2
3
4
5
CB701
5PIN
1
2
3
4
5
CB703
5PIN
7
8
9
10
11
4
5
6
1
2
3
12
T1
TRANS12
SW BOARD
1
2
AC1
SWITCHED
AC POWER CORD
!
1
2
AC2
UNSWITCHED
!
!
!
!
!
(AH)
(AH)
!
!
!
WH(AH)
BK(AH)
WH(AH)
BL(AH)
BL(CE)
BW(CE)
RD(CE)
BL(CE)
BL(AH)
WH(AH)
BL(AH)
WH(AH)
WH(AH)
BW(CE)
BL(CE)
BK(AH)
BK
RD
YE
GY
GY
WH
WH
OR
OR
GR
1.8mH
FT11.8mH
CE2
2200P
CE3
2200P
!
!
CHASSIS
EMI FILTER
BOARD(CE)
PAC1
PAC2
PAC3 PAC4
2SA872
2SA970
2SA1015
2SC1815
2SC2240
2SD667
2SB647 A970
2SC2878 ECB
B649K369
LM317
123
LM317
DGS ECB
2SB649
2SD669
1:ADJUST,
LM337
LM337
1:ADJUST,
123
LM7805
LM7818
2:GND
SGV
HS0038
123
LM7918
LM7918
2:IN
LM7812
LM7805
NOTE:
1. RESISTORS ARE CARBON FILM 1/4W 5% UNLESS SPECIFIED.
FP - FLAME PROOF 5%. FS-FUSIBLE 5%
MF - METAL FILM 2%. CE-CERAMIC CASE 5%
2. ALL CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 100V, 20%
3. COMPONENTS WITH "N.I." MEANS "NOT INSERT".
4. COMPONENTS WITH " * " ARE ADJUSTABLE PARTS.
5. COMPONENTS WITH " " ARE SAFETY CRITICAL PARTS.!
X2
X1
2:OUT,3:IN
2:IN,3:OUT
1:GND
3:OUT
1:IN
3:OUT
X2
X1

S007
C002
C003
C004
S001
S005
R007
R006
R009
R004
R003
C016
R002
T001
F003
F004
F002
S001
F009
F010
F018
F011
F012
F014
F015
F019
S009
C009
S012
S011
C010
C014
C011
C012
S011
S012
S007
F013
R001
C015
C013
C001
C006
C007
S001
F023
F022
S003
C008
S001
R005
F006
F008
F007
F001
F005
F017
R008
F020
F021
C005
C017
S010
S006
S004
S001
F016
S010
S008 R010
F024
C018
F024
M004
S002
M001
M002
M005
M003
C019
C017 C019
EXPLODED VIEW

EXPLODED VIEW PARTS LIST
REF. NO PART NO. DESCRIPTION QTY. REF. NO PART NO. DESCRIPTION QTY.
C001 66-026002-1 Chassis 1 F020 75-003001-0 Sleeve(7P) 1
C002 66-025003-0 Base Cover 1 F021 01-16020-00 Assembled Tack Switch PCB 1
C003 75-010004-1 Foot 4 F022 17-02001-00 Headphone Jack 1
C004 78-001002-0 Foot Pad 4 F023 16-16205-00 Assembled Power Switch PCB 1
C005 09-01103-08 Volume POT 1 F024 66-009007-0 End Cap R 1
C006 09-01203-00 Balance POT 1
C007 09-01103-04 Treble and Bass POTs 2 R001 67-025001-0 Rear Panel C Version 1
C008 11-02202-00 Push Switch 1 67-025002-0 Rear Panel AH Version 1
C009 66-001010-0 Transformer Bracket 1 R002 15-02251-21 AC Cord C Version 1
C010 67-003006-0 Transformer Shielding Box 1 15-10121-10 AC Cord AH Version 1
C011 66-003004-0 Metal Disc 1 R003 84-001002-0 Strain Relief Bushing 1
C012 94-003002-0 Transformer Label 1 R004 17-07002-10 AC Outlets 2
C013 69-002006-0 Bas Bar (2) 1 R005 85-005001-0 PCB Support 2
C014 18-16040-20 Mains Transformer C Version 1 R006 71-003002-0 Grd. Post Cap 1
18-16040-10 Mains Transformer AH Version 1 R007 71-003001-0 Grd. Post Bolt 1
C015 69-002007-0 Bas Bar (3) 1 R008 01-16070-00 EMI Filter PCB 1
C016 66-002007-0 PCB Support 2 R009 73-003001-0 Rotate Knob 1
C017 01-16204-10 Assemblied Module 301 401 303 403 4
C018 01-16010-01 Assembled Main Board 1 S001 61-023106-0 Self Taping Screw, STB3x6 56
S002 61-062108-0 Self Taping Screw, STF2×8-0 6
F001 67-025004-0 Fascia 1 S003 61-082204-6 Self Taping Screw, BTB2.6x6 2
F002 77-001002-1 Input Button Lozenge S004 61-022206-6 Self Taping Screw, STPW2.6x4 7
F003 77-001001-1 Tone Control Lozenge 1 S005 61-023208-0 Self Taping Screw, BTB3x8 19
F004 73-014002-1 Volume Knob 1 S006 61-023108-0 Self Taping Screw, STB3x8 4
F005 73-014001-1 Tone Knob 3 S007 61-084108-0 Self Taping Screw, STPW4x8 8
F006 77-002002-1 Tone Button 1 S008 61-024520-0 Machine Screw, MB4x8 2
F007 77-001006-1 Power Button 1 S009 64-108045-0 Bolt, M8x45 1
F008 77-001007-1 Power Button Bezel 1 S010 62-010402-0 Nut, M4 3
F009 75-003003-0 Fixing Bracket 2 S011 62-010802-0 Nut, M8 2
F010 76-001001-0 IRS Lens 1 S012 63-020820-0 Spring Washer, M8 2
F011 74-001002-1 Input Button (3P) 2
F012 74-003001-1 Input Button (1P) 1 M001 01-16204-01Assembled Module PCB NSP 4
F013 76-003001-0 Led Lens 8 M002 70-002004-0 Module Case 6
F014 75-003002-0 Sleeve (1P) 1 M003 78-005004-0 Insulated Cushion 6
F015 66-025001-0 Subfascia 1 M004 75-003004-0 Module Lid 6
F016 66-010010-0 Support 6 2 M005 66-002009-0 Trans.Clamp (Module) 6
F017 77-025001-0 Knob Button Bezel 1
F018 66-003005-0 Bracket (PH.) 1 T001 67-025003-0 T-Cover 1
F019 66-003003-0 IR Bracket 1
C019 01-16204-20 Assemblied Module M302, M402 2

76
SERVICE MANUAL C162
STEREOPREAMPLIFIER
NAD ELECTRONICS LTD
LONDON