NAD T 187, Service Manual, Page: 42 / 85

4
2
FRONT L
FRONT R
SURR L
SURR R
SURR-B L
SURR-B R
SUBW 2
SUBW 1
CENTER
SURR-B L
SURR-B R
SURR R
SURR L
FRONT L
FRONT R
CENTER
SUBW
7.1 CH INPUT
AUDIO
PRE-OUT
FRONT L
FRONT R
SURR L
SURR R
SURR-B L
SURR-B R
SUBW
CENTER
R6511,R6522,R6611,R6622,R6711,R6722,R6811,R6822 - 0 ohm
FOR T187:
All values in boxed components are for T777/T787,
for T187, pls refer to the additional info. in the box
R6509, R6520, R6609, R6620, R6709, R6720, R6809, R6820 - N.I.
R6510,R6521,R6610,R6621,R6710,R6721,R6810,R6821 - 47k ohm
C6530, C6630, C6730, C6830, C6831 - N.I.
1
2
3
M6501-A
R6901 1k
R6902 1k
C6903
100p
C6904
100p
C6901
22u 16V
C6902
22u 16V
R6906
33k
R6905
33k
R6911
33k
R6912
33k
C6906
22u 16V
C6905
22u 16V
C6908
100p
C6907
100p
R6908 1k
R6907 1k
R6919 1k
R6920 1k
C6915
100p
C6916
100p
C6913
22u 16V
C6914
22u 16V
R6924
33k
R6923
33k
R6917
33k
R6918
33k
C6910
22u 16V
C6909
22u 16V
C6912
100p
C6911
100p
R6914 1k
R6913 1k
1
2
3
M6502
L6505 10u
L6507 10u
4
5
6
M6501-B
7
8
9
M6501-C
R6925
47k
R6926
47k
C6919
N.I.
50V
C6920
N.I.
50V
R6927
0
R6928
0
R6934
0
R6933
0
C6924
N.I.
50V
C6923
N.I.
50V
R6932
47k
R6931
47k
L6510 10u
L6508 10u
1
2
3
M6503-A
4
5
6
M6503-B
L6511 10u
L6513 10u
R6937
47k
R6938
47k
C6927
N.I.
50V
C6928
N.I.
50V
R6939
0
R6940
0
7
8
9
M6503-C
R6946
0
R6945
0
C6932
N.I.
50V
C6931
N.I.
50V
R6944
47k
R6943
47k
L6516 10u
L6514 10u
1
2
3
M6504
L6518 10u
R6950
47k
C6936
N.I.
50V
R6951
0
1
2
M6505
C6933
N.I.
50V
C6934
N.I.
50V
C6937
N.I.
50V
L6517 N.I.
L6520 N.I.
R6505
4.7k
C6505
N.I.
50V
R6508
4.7k
C6506
N.I.
50V
C6513
N.I.
50V
R6519
4.7k
C6512
N.I.
50V
R6516
4.7k
R6548
1M
R6517
470
Q6504
2SC4695
R6520
100k
Q6503
2SC4695
R6518
470
C6514
22u 16V
R6521
100k
R6522
220
R6511
220
R6510
100k
C6507
22u 16V
R6507
470
Q6501
2SC4695
R6509
100k
Q6502
2SC4695
R6506
470
C6511
22u 16V
R6514
N.I.
R6515 0
C6510
N.I. 50V
5 +
6 -
7
U6501-B
NJM5532M
C6509
220p
50V
R6513
47k
C6508
10u 16V
C6504
22u 16V
R6503
N.I.
R6504 0
C6503
N.I. 50V
3 +
2 -
1
U6501-A
NJM5532M
C6502
220p
50V R6502
47k
C6501
10u 16V
R6605
4.7k
C6605
N.I.
50V
R6608
4.7k
C6606
N.I.
50V
C6613
N.I.
50V
R6619
4.7k
C6612
N.I.
50V
R6616
4.7k
R6648
1M
R6617
470
Q6604
2SC4695
R6620
100k
Q6603
2SC4695
R6618
470
C6614
22u 16V
R6621
100k
R6622
220
R6611
220
R6610
100k
C6607
22u 16V
R6607
470
Q6601
2SC4695
R6609
100k
Q6602
2SC4695
R6606
470
C6611
22u 16V
R6614
N.I.
R6615 0
C6610
N.I. 50V
3 +
2 -
1
U6601-A
NJM5532M
C6609
220p
50V
R6613
47k
C6608
10u 16V
C6604
22u 16V
R6603
N.I.
R6604 0
C6603
N.I. 50V
5 +
6 -
7
U6601-B
NJM5532M
C6602
220p
50V
R6602
47k
C6601
10u 16V
R6705
4.7k
C6705
N.I.
50V
R6708
4.7k
C6706
N.I.
50V
C6713
N.I.
50V
R6719
4.7k
C6712
N.I.
50V
R6716
4.7k
R6748
1M
R6717
470
Q6704
2SC4695
R6720
100k
Q6703
2SC4695
R6718
470
C6714
22u 16V
R6721
100k
R6722
220
R6711
220
R6710
100k
C6707
22u 16V
R6707
470
Q6701
2SC4695
R6709
100k
Q6702
2SC4695
R6706
470
C6711
22u 16V
R6714
N.I.
R6715 0
C6710
N.I. 50V
3 +
2 -
1
U6701-A
NJM5532M
C6709
220p
50V
R6713
47k
C6708
10u 16V
C6704
22u 16V
R6703
N.I.
R6704 0
C6703
N.I. 50V
5 +
6 -
7
U6701-B
NJM5532M
C6702
220p
50V
R6702
47k
C6701
10u 16V
R6805
4.7k
C6805
N.I.
50V
R6808
4.7k
C6806
N.I.
50V
C6813
N.I.
50V
R6819
4.7k
C6812
N.I.
50V
R6816
4.7k
R6850
1M
R6817
470
Q6804
2SC4695
R6820
100k
Q6803
2SC4695
R6818
470
C6814
22u 16V
R6821
100k
R6811
220
R6810
100k
C6807
22u 16V
R6807
470
Q6801
2SC4695
R6809
100k
Q6802
2SC4695
R6806
470
C6811
22u 16V
R6814
N.I.
R6815 0
C6810
N.I. 50V
3 +
2 -
1
U6801-A
NJM5532M
C6809
220p
50V
R6813
47k
C6808
10u 16V
C6804
22u 16V
R6803
N.I.
R6804 0
C6803
N.I. 50V
5 +
6 -
7
U6801-B
NJM5532M
C6802
220p
50V
R6802
47k
C6801
10u 16V
R6849
1M
R6949
N.I.
8
4
U6501-C
NJM5532M
C6941
0.1u
50V
C6942
0.1u
50V
C6943
47u
50V
C6944
47u
50V
C6948
47u
50V
C6947
47u
50V
C6946
0.1u
50V
C6945
0.1u
50V
8
4
U6601-C
NJM5532M
8
4
U6701-C
NJM5532M
C6953
0.1u
50V
C6954
0.1u
50V
C6955
47u
50V
C6956
47u
50V
C6952
47u
50V
C6951
47u
50V
C6950
0.1u
50V
C6949
0.1u
50V
8
4
U6801-C
NJM5532M
R6501
0
R6512
0
R6612
0
R6601
0
R6712
0
R6701
0
R6812
0
R6801
0
D6901
GS1G
D6902
GS1G
D6903
GS1G
D6904
GS1G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
J6501A
To CONN#1 J6501B
D6804
12V
1/2W
D6803
12V
1/2W
D6802
12V
1/2W
D6801
12V
1/2W
D6704
12V
1/2W
D6703
12V
1/2W
D6702
12V
1/2W
D6701
12V
1/2W
D6604
12V
1/2W
D6603
12V
1/2W
D6601
12V
1/2W
D6602
12V
1/2W
D6503
12V
1/2W
D6504
12V
1/2W
D6502
12V
1/2W
D6501
12V
1/2W
R6971 0
R6972 0
R6973 0
R6974 0
R6975 0
R6976 0
R6977 0
R6978 0
R6979 0
R6980
N.I.
C6984
1000u
10V
C6983
1000u
10V
C6982
1000u
10V
C6981
1000u
10V
C6980
1000u
10V
D6910
0R
1206
D6911
0R
1206
D6912
0R
1206
D6913
0R
1206
D6914
0R
1206
R6984 N.I.
R6983
N.I.
R6982 N.I.
R6981 N.I.
R6985 N.I.
D6915
0R
1206
C6985
1000u
10V
Q6505
DTA114EKA
R6545
3.3k
Q6512
DTC114EKA
Q6511
DTC114EKA
Q6605
DTA114EKA
R6645
3.3k
Q6612
DTC114EKA
Q6611
DTC114EKA
Q6705
DTA114EKA
R6745
3.3k
Q6712
DTC114EKA
Q6711
DTC114EKA
Q6805
DTA114EKA
R6845
3.3k
Q6812
DTC114EKA
Q6811
DTC114EKA
Q6911
DTC114EKA
Q6912
DTC114EKA
R6846
3.3k
Q6905
DTA114EKA
R6822
220
C6530
0.1u (0603)
C6630
0.1u (0603)
C6730
0.1u (0603)
C6831
0.1u (0603)
C6830
0.1u (0603)
J6103B
C6832
N.I (1000u)
10V
C6833
N.I (1000u)
10V
C6732
N.I (1000u)
10V
C6632
N.I (1000u)
10V
C6532
N.I (1000u)
10V
CHGND
CHGND
-10.5V
AGND
AGND
-10.5V
AGND
AGND
-10.5V
AGND
AGND
-10.5V
AGND
AGND
-10.5V
AGND
+10.5V
-10.5V -10.5V
+10.5V
AGND
AGND
+10.5V
-10.5V -10.5V
+10.5V
AGND
AGND
AGND
AGND
+10.5V -10.5V
+12V_A
-12V_A
7.1_FL
7.1_FR
7.1_SL
7.1_SR
7.1_SBL
7.1_SBR
7.1_SUBW
7.1_CEN
DGND
PO_FL
PO_FR
PO_SL
PO_SR
PO_SBL
PO_SBR
PO_SUBW
PO_CEN
MUTE_POWER
MUTE_POWER
DGND
PO_AMP_SBL
PO_AMP_SBR
PO_AMP_SBL
PO_AMP_SBR
DGND
MUTE_POWER
F_MUTE
S_MUTE
SB_MUTE
SUBW_MUTE
C_MUTE
SB_AMP_MUTE
MUTE_POWER
DGND DGND
MUTE_POWER
DGND DGND
MUTE_POWER
DGND DGND
MUTE_POWER
DGND
DGND DGND
DGND
MUTE_POWER
AGND
DGND
DGND
DGND
DGND DGND
PRE-OUT BOARD (1)