NAD T 747, Руководство по обслуживанию

Страница: 53 / 130

SCHEMATIC DIAGRAM (INPUT&VOLUME PART)
3-49 3-50
7.1CH FL/R
7.1CH SBL/R
L
L
L
CT
L
L
L
R
R
R
SW
R
R
R
7.1CH C/SW
7.1CH SL/R
REC OUT1
ANALOG2
L
R
ZONE2 OUT
ANALOG4
R
L
ANALOG3
R
L
ANALOG 1
EX
T
. F
L
EX
T
. F
R
EX
T
. C
EX
T
. SW
EX
T
. SL
EX
T
. SR
EX
T
. B
S
L
EX
T
. B
S
R
ANALOG FRONT L
ANALOG FRONT R
N.C
AGND
AD IN R
AD IN L
N.C
AVEE
MUTE
N.C
N.C
N.C
REC
2
R O
U
T
REC
2
L
O
U
T
REC
1
R O
U
T
REC
1
L
O
U
T
MP
R
MP
L
N.
C
N.
C
N.
C
N.
C
N.
C
B
A
SSR
1
B
A
SSR
2
TR
E
R
N.
C
SB
L I
N
2
SB
R
I
N
2
C IN
2
SW
I
N
2
SL I
N
2
SR
I
N
2
FL
I
N
2
FR
I
N
2
SB
R
C
IN
SB
LC
IN
SU
B
L
SU
B
R
DG
N
D
DA
T
A
CL
O
CK
AVCC
N.C
TREL
BASSL2
BASSL1
N.C
FRC
FR OUT
AGND
FL OUT
FLC
AGND
CC
C OUT
AGND
SW OUT
SWC
N.C
SRC
SR OUT
AGND
SL OUT
SLC
AGND
SBRC
BSR OUT
AGND
BSL OUT
SBLC
N.C
R I
N
L I
N
R2A15218FP
VOL_BSL
VOL_BSR
VOL_SL
VOL_SR
VOL_SW
VOL_CT
VOL_FL
VOL_FR
BSL_OUT
BSR_OUT
SL_OUT
SR_OUT
SW_OUT
CT_OUT
FL_OUT
FR_OUT
ANALOG6
R
L
ANALOG5
R
L
PRE_SBR
PRE_SBL
PRE_SW
PRE_CT
PRE_SR
PRE_SL
PRE_FR
PRE_FL
BO
U
T
R
VS
S
_
OUT
VS
S
VD
D
R
-ou
t
B
OUT
L
L-ou
t
GND
VD
D
_
OUT
Ri
n
Li
n
C
E
0
C
E
1
S
T
B
DA
T
A
C
LK
MULTI_MUTE
SW_MUTE
ZONE2 L
ZONE2 R
XM PART
GAIN : 10.4dB
GAIN : 20dB
(8CH E.VOLUME
11 INPUT SELECTOR
TONE CONTROL)
SB_MUTE
P
R
E
_O
U
T
(8.
1CH
)
AN
AL
O
G
F
R
O
N
T
L
GND
AN
AL
O
G
F
R
O
N
T
R
GND MI
C
.
+7
V
-7
V
FROM FRONT B'D
-12V
-1
2
V
-1
2
V
-1
2
V
REC OUT2
R
L
ZONE2 PRE OUT
R
L
MUTE High
MUTE High
MUTE High
MUTE High
(Active "L")
(Active "L")
(Active "L")
(Active "L")
To page 2
To page 2
TUNER L
TUNER R
ANALOG4 L
ANALOG4 R
ANALOG3 L
ANALOG3 R
ANALOG1 L
ANALOG1 R
XM R
XM L
ANALOG5 L
ANALOG5 R
MIC. R
MIC. L
ANALOG6 L
ANALOG6 R
ANALOG2 L
ANALOG2 R
R
3045
100K C3019 220P
R3019
470
R
3046
100K
R3020
470
C3020 220P
C3022
220P
R3022
470
R
3048
100K
R3021
470
C3021 220P
R
3047
100K
R
3051
100K C3025
220P
R3025
470
R
3052
100K
R3026
470
C3026 220P
C3024 220P
R3024
470
R
3050
100K
R3023
470
C3023 220P R
3049
100K
C3014 220P R
3040
100K
R3013
470
C3013
220P R
3039
100K
C3006
220P
R3006
470
R
3032
100K
R3005
470
C3005 220P R
3031
100K
C3002 220P
R3002
470
R
3028
100K
C3028
10/50V
R3001
470
C3001 220P R
3027
100K
C3027
10/50V
C3324 0.
047u
C3323 0.
047u
C3322
100/
16V
C3327
100/
16V
C3321
100/
16V
C3328
100/
16V
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
43
2
1
100
IC301
R
3033
100K C3007 220P
R3007
470
R
3034
100K
R3008
470
C3008
220P
C3069
10/
50V
(H
)
C3070
10/
50V
(H
)
C3060
100/16V
C3061
100/16V
C3062
100/16V
C3063
100/16V
C3064
100/16V
C3065
100/16V
C3066
100/16V
C3059
100/16V
C3073
0.
15u
F
C3076
0.15uF
C3074
0.022u
C3075
0.047u
C3071
0.
022u
(M
)
C3072
0.
047u
(M
)
R3074
4.7K
R
3071 4.
7K
C3057
10/50V
C3058
10/50V
C3056
10/
50V
C3055
10/
50V
C3068
10/
50V
C3067
10/
50V
D3
3
2
5
7.
5V
R3321
1W / 68ohm
D
3326
7.
5V
R3322
1W / 68ohm
R3096
5.6K
R3095
5.6K
Q3096
C2875B
Q3095
C2875B
R3089
560
R3088
560
C3081
10/50V
C3082
10/50V
R
3081 100K
R
3082 100K
R3098
5.6K
R3097
5.6K
Q3098
C2875B
Q3097
C2875B
R3091
560
R3090
560
C3083
10/50V
C3084
10/50V
R
3083 100K
R
3084 100K
R3099
5.6K
Q3099
C2875B
R3092
560
C3085
10/50V
R
3085 100K
R3101
5.6K
R3100
5.6K
Q3101
C2875B
Q3100
C2875B
R3094
560
R3093
560
C3086
10/50V
C3087
10/50V
R
3086 100K
R
3087 100K
C3053
10/
50V
C3054
10/
50V
R3109
5.6K
Q3109
C2875B
R3107
560
C3103
0.
022u
C3106
0.
022u
R
3103 15K
C3102
10/50V
R
3102 100K
R
3106 100K
C3105
10/50V
R3105
10K
C3104
0.01uF
V+
B O
U
T
P
U
T
B
-I
NPU
T
B+
IN
P
U
T
V-
A
+
INPU
T
A
-I
NPU
T
A O
U
T
P
U
T
-
+
B
-
+
A
8 7 6 5
4 3 2 1
IC303
R
3104 1.
2K
R3110
5.6K
Q3110
C2875B
R3108
560
Q3321
C3203
Q3322
A1271
C3325
100/
16V
R3323
680
R3324
680
C3326
100/
16V
C3111
220P
R3111
470
R3112
470
C3112
220P
C3113
220P
R3113
470
R3114
470
C3114
220P
C3115
220P
R3115
470
R3116
470
C3116
220P
C3117
220P
R3117
470
R3118
470
C3118
220P
R
3208
100(
H
)
R
3207
100(
H
)
C3208
100/
16V
(H
) C3207
100/
16V
(H
)
C3206
10/50V(H)
C3205
10/50V(H)
1
2
3
4
5
6
7
8 9
1
01
11
21
31
41
51
6
IC305
N
JW
1159M
(H
)
C3224
0.
022u
(H
)
C3223
0.
022u
(H
)
R
3224
100(
H
)
R
3223
100(
H
)
C3221
100/
16V(
H
)
C3222
100/
16V
(H
)
C3210
10/50V(H)
C3209
10/50V(H)
R
3210
100K
(H
)
R
3209
100K
(H
)
R
3215
100K
(H
)
R
3216
100K
(H
)
C3213
10/50V(H)
C3214
10/50V(H)
C3212
150p(H)
R3214
5.6K(H)
C3211
150p(H)
R3213
5.6K(H)
R
3212
2.
4K
(H
)
R
3211
2.
4K
(H
)
R3220
5.6K(H)
R3218
1K(H)
R3219
5.6K
R3217
1K(H)
V+
B O
U
T
P
U
T
B-
IN
P
U
T
B
+
INPU
T
V-
A
+
INPU
T
A
-I
NPU
T
A O
U
T
P
U
T
-
+
B
-
+
A
8 7 6 5
4 3 2 1
IC306
H
V
IN
JM
2068M
D
T
E
1
(H)
Q3219
C2875B
Q3220
C2875B(H)
V+
B O
U
T
P
U
T
B-
IN
P
U
T
B
+
INPU
T
V-
A
+
INPU
T
A
-I
NPU
T
A O
U
T
P
U
T
-
+
B
-+
A
8 7 6 5
4 3 2 1
IC304
H
V
IN
JM
2068M
D
T
E
1
(H)
C3204
0.
022u
(H
)
C3203
0.022u(H)
R
3204
100(
H
)
R
3203
100(
H
)
Q3302
C107S(H)
Q3306
C107S(H)
Q
3310
A
107S
(H
)
R
3302
10K
(H
)
Q3303
C107S
Q3307
C107S
Q
3311
A
107S
R
3303
10K
Q3304
C107S
Q3308
C107S
Q
3312
A
107S R
3304
10K
Q3301
C107S
Q3305
C107S
Q
3309
A
107S
R
3301
10K
C3202
10/50V(H)
C3201
10/50V(H)
C3715
0.1uF
R3715 4.7
D3716 1SS355T
D3715 1SS355T
JK302
JK301
C3713
0.1uF
R3713 4.7
D3714 1SS355T
D3713 1SS355T
C3711
0.1uF
R3711 4.7
D3712 1SS355T
D3711 1SS355T
C3709
0.1uF R3709 4.7
D3710 1SS355T
D3709 1SS355T
C3708
0.1uF(H)
R3707 4.7(H)
D3708 1SS355T(H)
D3707 1SS355T(H)
C3705
0.1uF
R3705 4.7
D3706 1SS355T
D3705 1SS355T
C3703
0.1uF
R3703 4.7
D3704 1SS355T
D3703 1SS355T
C3701
0.1uF
R3701
4.7
D3702 1SS355T
D3701 1SS355T
C3717
0.1uF
R3717
4.7
D3718 1SS355T
D3717 1SS355T
C3719
0.1uF
R3719
4.7
D3720 1SS355T
D3719 1SS355T
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
BN302
INPUT B'D<--->MCU&DSP B'D
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
BN301
INPUT B'D<--->MCU&DSP B'D
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
STROBE
DATA
CLOCK
Q1 Q2 Q3 Q4 VSS
QS Q'S O8 O7
Q6
Q5 OUTPUT VDD
IC302
CD4094B
R3331
10
C3331
100/
16V
C3332
0.
1u
F
R
3332
10K
R
3333 100
R
3334 100
R
3335 100
C3335
47PC3334
47PC3333
47P
D3110
1SS355T
D3095
OPEN
D3220
OPEN
9 8 7 6 5 4 3 2 1
BN311
R3309
1M
R3310
1M
R3311
1M
R3312
1M
C3037
10/50V(H)
R
3037
100K
(H
)
C3011
220P
(H
)
R3011
470(H)
C3038
10/50V(H)
R
3038
100K
(H
)
R3012
470(H)
C3012
220P
(H
)
C3004
220P
R3004
470
R
3030
100K
R3003
470
C3003
220P
R
3029
100K
R
3035
100K
C3009 220P
R3009
470
R
3036
100K
R3010
470
C3010 220P
R
3043
100K C3017 220P
R3017
470
R
3044
100K
R3018
470
C3018 220P
JK303
C3041
10/50V
R
3041
100K C3015
220P
R3015
470
C3042
10/50V
R
3042
100K
R3016
470
C3016 220P
R3014
470
JK308
JK307
CJ
J4P
041W
(M
),
CJ
J4P
041Z
(T
)
JK305
JK306
JK304
CJ
J4R
020W
(N
)
C3301
10/50V
13
12
11
10
9
8
7
6
5
4
3
2
1
CN
401
CJ
P
13G
A
115Z
Y
1
2
JK318
CJJ4M044X
D
3328
D
3327
R
B
160L
60T
E
25
2
1
1
2
CN
393
CJ
P
0
2G
A
0
1Z
Y
R
3202
100K
(H
)
R
3201
100K
(H
)
R
3056
100K R
3055
100K R
3054
100K R
3053
100K
R
3057
100K R
3058
100K
XM
_
R
XM
_
L
T
U
N
ER_
L
TU
N
E
R
_
R
INPUT<-->MCU&DSP
M
A
IN
_VO
L_D
A
T
A
M
A
IN
_V
O
L_CL
K
M
A
IN
_VO
L_M
UT
E
ANALOG_INPUT
SB
L_
IN
S
B
R
_IN
S
L_IN
S
R
_IN
CT
_IN
S
W
_IN
FL
_IN
FR
_IN
REC
O
U
T
2
_
L
REC
O
U
T
2
_
R
FR
_V
O
L_IN
FL
_V
O
L_IN
S
R
_VO
L_IN
SL_
V
O
L_
IN
S
W
_V
O
L_IN
CT
_VO
L_IN
SB
R
_
V
O
L_
IN
SB
L_
V
O
L_
IN
SUB_VOL_STB
SUB_VOL_CLK
SUB_VOL_DATA
MUTE
SW_MUTE2
SB_MUTE2
FUNC_MUTE2
ANALOG_OUT
SL_OUT
SR_OUT
CT_OUT
FL_OUT
FR_OUT
FR_OUT
FL_OUT
SW_OUT
CT_OUT
SR_OUT
SBR_OUT
SBL_OUT
SL_OUT
SW_OUT
-7V
-7
V
-7V
-7V
-7V
+7V
+7V
+7V
+7
V
+7
V
+7V
SBR_OUT
SBL_OUT
A
D
_L
IN
AD
_
R
IN
FUNC_MUTE2
FUNC_MUTE
A
D
_L
IN
A
D
_R
IN
FR
_V
O
L_IN
FL
_V
O
L_IN
S
R
_VO
L_IN
SL_
V
O
L_
IN
S
W
_VO
L_IN
CT
_VO
L_IN
SB
R
_
V
O
L_
IN
SB
L_
V
O
L_
IN
FUN
C_M
UT
E
-7V
D+5V
EX
P
_
DA
T
A
E
X
P_CL
K
EX
P
_
ST
B
FUNC_MUTE2
FUNC_MUTE2
FUNC_MUTE2
MULTI_MUTE2
XM_RST
M
A
IN
_VO
L_D
A
T
A
M
A
IN
_V
O
L_CL
K
M
A
IN
_VO
L_M
UT
E
XMDAC_RST
XMDAC_MUTE
EX
P
_
ST
B
E
X
P
_CL
K
EX
P
_
DA
T
A
SU
B
_
V
O
L_
ST
B
S
U
B
_V
O
L_CL
K
SU
B
_
V
O
L_
D
A
T
A
+7
V
-7
V
ANALOG2_L
ANALOG2_R
ANALOG3_L
ANALOG3_R
ANALOG4_L
ANALOG4_R
ZONE2_L
ZONE2_R
REC
O
U
T
1
_
L
REC
O
U
T
1
_
R
ZONE2_L
ZONE2_R
-12V
+12V
-12V
SBR_IN
SBL_IN
SW_IN
CT_IN
SR_IN
SL_IN
FR_IN
FL_IN
ANALOG6_R
ANALOG6_L
RECOUT2_R
RECOUT2_L
ANALOG5_R
ANALOG5_L
MULTI_MUTE2
SB_MUTE2
SW_MUTE2
STBY_MUTE
AGND
AGND
AGND AGND
AGND
AGND
ANALOG1_R
ANALOG1_L
ANALOG2_R
ANALOG2_L
ANALOG3_R
ANALOG3_L
ANALOG4_R
ANALOG4_L
ANALOG6_R
ANALOG6_L
ANALOG5_R
ANALOG5_L
SL_OUT
SBR_OUT
FL_OUT
CT_OUT
FR_OUT
SBL_OUT
SR_OUT
TUNER_MUTE
ZONE2_PRER
ZONE2_PREL
ANALOG1_L
RECOUT1_L
RECOUT1_R
ANALOG1_R