NAD T 187, Service Manual

Page: 50 / 85

50
VIDEO 1 IN
VIDEO 2 IN
VIDEO 3 IN
COMPONENT 2 IN Y
COMPONENT 3 IN Y
COMPONENT 3 IN PB
COMPONENT 2 IN PB
COMPONENT 3 IN PR
COMPONENT 2 IN PR
COMPONENT OUT PR
COMPONENT 1 IN PR
COMPONENT OUT PB
COMPONENT 1 IN PB
COMPONENT 1 IN Y
COMPONENT OUT Y
1 CV
2 CV_GND
3 C
4 Y
5 C_G
6 Y_G
7 SV_G
8 E
9 CH
M4101
1 CV
2 CV_GND
3 C
4 Y
5 C_G
6 Y_G
7 SV_G
8 E
9 CH
M4102
1 CV
2 CV_GND
3 C
4 Y
5 C_G
6 Y_G
7 SV_G
8 E
9 CH
M4103
C4101
2.2u 50V
R4101
75
C4125
47u
50V
C4126
0.1u
50V
R4120
0 1/8W
R4119
0 1/8W
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
J4101A
To CONN#1 J4101B
R4102
75
C4102
2.2u 50V
R4103
75
C4103
2.2u 50V
C4106
2.2u 50V
R4106
75
C4105
2.2u 50V
R4105
75
R4104
75
C4104
2.2u 50V
C4109
2.2u 50V
R4109
75
C4108
2.2u 50V
R4108
75
R4107
75
C4107
2.2u 50V
1
2
3
M4104-A
C4110
2.2u 50V
R4110
75
R4111
75
C4111
2.2u 50V
C4113
2.2u 50V
R4113
75
R4112
75
C4112
2.2u 50V
4
5
6
M4104-B
C4115
2.2u 50V
R4115
75
R4114
75
C4114
2.2u 50V
7
8
9
M4104-C
7
8
9
M4105-C
C4118
2.2u 50V
R4118
75
C4124
220u 16V
4
5
6
M4105-B
C4117
2.2u 50V
R4117
75
C4122
220u 16V
C4120
220u 16V
R4116
75
C4116
2.2u 50V
1
2
3
M4105-A
1 SCLK
2 VDD
3 DIN
4 GND
5 S1
6 D1
7 S2
8 D2
9 S3
10 D3
11 S4
12 D4 13
D5
14
S5
15
D6
16
S6
17
D7
18
S7
19
D8
20
S8
21
VSS
22
DOUT
23
RESET
24
SYNC
U4101
ADG714
C4128
0.1u
50V
C4127
47u
50V
R4121 10k
R4122 10k
C4131
47u
50V
C4132
0.1u
50V
1 SCLK
2 VDD
3 DIN
4 GND
5 S1
6 D1
7 S2
8 D2
9 S3
10 D3
11 S4
12 D4 13
D5
14
S5
15
D6
16
S6
17
D7
18
S7
19
D8
20
S8
21
VSS
22
DOUT
23
RESET
24
SYNC
U4102
ADG714
C4130
0.1u
50V
C4129
47u
50V
R4123 10k
C4135
47u
50V
C4136
0.1u
50V
1 SCLK
2 VDD
3 DIN
4 GND
5 S1
6 D1
7 S2
8 D2
9 S3
10 D3
11 S4
12 D4 13
D5
14
S5
15
D6
16
S6
17
D7
18
S7
19
D8
20
S8
21
VSS
22
DOUT
23
RESET
24
SYNC
U4103
ADG714
C4134
0.1u
50V
C4133
47u
50V
C4137
10u 16V
R4124
470k
1 MUTE
2 INA
3 GNDA
4 INB
5 GNDB
6
7 INC
8 GND 9
OUTC2
10
OUTC1
11
12
OUTB2
13
OUTB1
14
OUTA2
15
OUTA1
16
VCC
U4104
IC-BA7660FS
R4125
470k
C4138
10u 16V
R4126
470k
C4139
10u 16V
C4141
0.1u
50V
C4140
47u
50V
C4142
100u 16V R4127 75
R4128 75
C4143
100u 16V
R4129 75
C4144
100u 16V
C4119
220p
50V
C4121
220p
50V
C4123
220p
50V
C4145
47u
50V
C4146
0.1u
50V
R4153
560R R4155
560R
R4154
560R
C4154
120pF
C4155
120pF
C4153
120pF
D4101
5V1
1/2W
D4103
5V1
1/2W
D4105
5V1
1/2W
D4102
5V1
1/2W
D4104
5V1
1/2W
D4106
5V1
1/2W
VGND
CHGND
VGND
+5V_V
VGND
VGND
+5V_V
VGND CHGND DGND
+5V_V
4094(2)_STB_MCU
4094(1)_DATA_MCU
4094(1)_CLK_MCU
VGND
COMPOSITE_FIN
VGND
S_VIDEO_F_YIN
VGND
S_VIDEO_F_CIN
VGND
VGND
VGND
S_Y/PR_IN_TO_PROCESSOR
VGND
S_C/PB_IN_TO_PROCESSOR
VGND
PB_OUT
VGND
DGND
DGND
+5V_V
DGND
4094(2)_STB_MCU
4094(1)_DATA_MCU
4094(1)_CLK_MCU
VGND
COMPOSITE_FIN
VGND
S_VIDEO_F_YIN
VGND
S_VIDEO_F_CIN
VGND
VGND
VGND
S_Y/PR_IN_TO_PROCESSOR
VGND
S_C/PB_IN_TO_PROCESSOR
VGND
PB_OUT
VGND
VGND
VGND
VGND
VGND
VGND
VGND
VGND
VGND
VIDEO_IN
COMPOSITE_IN1
COMPOSITE_IN2
COMPOSITE_IN3
S_VIDEO_YIN1
S_VIDEO_YIN2
S_VIDEO_YIN3
S_VIDEO_CIN1
S_VIDEO_CIN2
S_VIDEO_CIN3
VGND
VGND
VGND
VGND
VGND
VGND
VGND
VGND
VGND
COMPONENT_PRIN2
COMPONENT_PRIN3
COMPONENT_PRIN1
COMPONENT_PBIN2
COMPONENT_PBIN3
COMPONENT_PBIN1
COMPONENT_YIN2
COMPONENT_YIN3
COMPONENT_YIN1
VGND
+5V_V
+5V_V
VGND VGND
+5V_V
+5V_V
VGND VGND
+5V_V
VGND
VGND
VGND VGND
VGND
+5V_V
VGND
VGND
VGND
PR_OUT
PB_OUT
Y/COMPOSITE_OUT
PR_OUT
Y/COMPOSITE_OUT
PR_OUT
Y/CVBS_INPUT_TO_PROCESSOR
Y/CVBS_INPUT_TO_PROCESSOR
COMPONENT_PBIN1
COMPONENT_PRIN1
COMPONENT_YIN1
COMPONENT_PBIN2
COMPONENT_PBIN3
COMPONENT_PRIN2
COMPONENT_PRIN3
COMPONENT_YIN2
COMPONENT_YIN3
COMPOSITE_FIN
COMPOSITE_IN1
COMPOSITE_IN2 COMPOSITE_IN3
S_VIDEO_CIN1
S_VIDEO_CIN2
S_VIDEO_CIN3
S_VIDEO_F_CIN
S_VIDEO_F_YIN
S_VIDEO_YIN1
S_VIDEO_YIN2 S_VIDEO_YIN3
S_C/PB
S_Y/PR
Y_CVBS
VGND
VGND VGND
VGND
VGND
VGND
VM150AV ANALOG VIDEO BOARD