NAD T 187 Service Manual page 50

VM150AV ANALOG VIDEO BOARD
M4101
VIDEO 1 IN
CV 1
CV_GND 2
SV_G 7
Y 4
Y_G 6
E 8
C_G 5
C 3
CH 9
M4102
VIDEO 2 IN
CV 1
CV_GND 2
SV_G 7
Y 4
Y_G 6
E 8
C_G 5
C 3
CH 9
M4103
VIDEO 3 IN
CV 1
CV_GND 2
SV_G 7
Y 4
Y_G 6
E 8
C_G 5
C 3
CH 9
COMPONENT 2 IN PR 1
M4104-A 2
COMPONENT 3 IN PR 3
4
COMPONENT 2 IN PB
5
M4104-B
COMPONENT 3 IN PB 6
7
COMPONENT 2 IN Y
M4104-C 8
9
COMPONENT 3 IN Y
1
COMPONENT 1 IN PR
M4105-A 2
COMPONENT OUT PR 3
COMPONENT 1 IN PB 4
5
M4105-B
COMPONENT OUT PB 6
7
COMPONENT 1 IN Y
8
M4105-C
VGND
COMPONENT OUT Y 9
R4119 R4120
0 1/8W 0 1/8W
DGND VGND CHGND
C4101
2.2u 50V COMPOSITE_IN1
R4101
75
VGND +5V_V
1 SCLK SYNC
C4102
2.2u 50V
S_VIDEO_YIN1
2 VDD RESET
R4102 C4126
U4101
75 C4125 0.1u
47u
50V 3 DIN DOUT
VGND 50V
C4103
2.2u 50V 4 GND
S_VIDEO_CIN1 VSS
VGND
ADG714
R4103 5 S1
S8
75
S_VIDEO_CIN3
VGND
6 D1
D8
7 S2
S7
C4104
2.2u 50V
COMPOSITE_IN2
8 D2 D7
R4104
COMPOSITE_IN3
75
9 S3 S6
VGND
C4105
10 D3 D6
2.2u 50V
S_VIDEO_YIN2
S_VIDEO_YIN3
11 S4
S5
R4105
75
12 D4
VGND D5
C4106
2.2u 50V S_VIDEO_CIN2
R4106
75
VGND
C4107
2.2u 50V
COMPOSITE_IN3
R4107
75
VGND
C4108
2.2u 50V S_VIDEO_YIN3
+5V_V
1 SCLK
SYNC
R4108
75
2 VDD
VGND RESET
C4109 C4130
U4102
2.2u 50V C4129 0.1u
S_VIDEO_CIN3
47u
50V 3 DIN DOUT
50V
R4109
75
4 GND VSS
VGND
VGND ADG714
5 S1
S8
C4110
2.2u 50V COMPONENT_YIN2
COMPONENT_PRIN2
6 D1
D8
R4110
75 COMPONENT_YIN3
7 S2
S7
VGND
C4111
2.2u 50V 8 D2
COMPONENT_PRIN3 D7
COMPOSITE_IN1
R4111
9 S3 S6
75
VGND
10 D3 D6
C4112
2.2u 50V
COMPONENT_PBIN2 S_VIDEO_YIN1
11 S4 S5
R4112
75 12 D4
D5
VGND
C4113
2.2u 50V COMPONENT_PBIN3
R4113
75
VGND
C4114
2.2u 50V
COMPONENT_YIN2
R4114
75
VGND
C4115
2.2u 50V COMPONENT_YIN3
R4115
+5V_V
75 1 SCLK
SYNC
VGND
2 VDD
C4116 RESET
C4134
2.2u 50V COMPONENT_PRIN1
C4133 0.1u U4103
47u
50V 3 DIN
DOUT
50V
R4116
75
4 GND VSS
VGND VGND
ADG714
5 S1 S8
COMPOSITE_FIN
D4101
6 D1 D8
5V1
1/2W
7 S2
1/2W S7
C4117 5V1
2.2u 50V COMPONENT_PBIN1
D4102
8 D2
VGND D7
R4117
75 S_VIDEO_F_YIN 9 S3
S6
VGND D4103
5V1 10 D3
D6
1/2W
1/2W
11 S4 S5
5V1
D4104
VGND
12 D4 D5
C4118
2.2u 50V COMPONENT_YIN1
S_VIDEO_F_CIN
R4118 D4105
75 5V1
1/2W
CHGND VGND
1/2W
5V1
D4106
VGND
C4120
220u 16V
PR_OUT
C4119
220p
50V
VGND
C4122
220u 16V
PB_OUT
C4121
220p
50V
VGND
C4124
220u 16V
C4123
220p
50V
VGND
+5V_V
24
23
C4128 VIDEO_IN
R4121 10k C4127 0.1u
47u
22 50V
50V
21
VGND
S_VIDEO_CIN2
20
19
S_VIDEO_CIN1
18
17
COMPOSITE_IN2
16
15
S_VIDEO_YIN2
14
13
+5V_V
24
23
C4132
R4122 10k C4131 0.1u
47u
22 50V
50V
21
VGND
COMPONENT_PRIN2
20
19
COMPONENT_PRIN3
18
17
COMPONENT_PBIN2
16
15
COMPONENT_PBIN3
14
13
1 MUTE 16
VCC
C4137
10u 16V
S_C/PB
2 INA 15
OUTA1
R4124
470k 3 GNDA 14
OUTA2
U4104
C4138 VGND
IC-BA7660FS
S_Y/PR 10u 16V
4 INB OUTB1 13
R4125
470k
5 GNDB OUTB2 12
VGND
6 11
C4139
10u 16V
Y_CVBS
7 INC 10
OUTC1
R4126
+5V_V
24 470k 8 GND 9
OUTC2
VGND VGND
23
C4136
R4123 10k C4135 0.1u
47u
22 50V
50V
21
VGND
20
19
COMPONENT_YIN1
18
17
COMPONENT_PRIN1
16
15
COMPONENT_PBIN1
14
13
50
R4155
C4155 R4153 C4153
560R 560R
120pF 120pF
VGND VGND
+5V_V
C4146
C4145 0.1u
47u
50V
50V
+5V_V
C4141
C4140 0.1u
47u
50V
50V
VGND
R4154
C4142
R4127 75
100u 16V
560R
C4154
C4143 120pF
100u 16V R4128 75
Y/CVBS_INPUT_TO_PROCESSOR
VGND
S_Y/PR_IN_TO_PROCESSOR
C4144
100u 16V R4129 75
S_C/PB_IN_TO_PROCESSOR
Y/CVBS_INPUT_TO_PROCESSOR
S_Y/PR_IN_TO_PROCESSOR
S_C/PB_IN_TO_PROCESSOR
DGND VGND
J4101A
To CONN#1 J4101B
+5V_V 1
DGND 2
4094(2)_STB_MCU 3
4094(1)_DATA_MCU 4
4094(1)_CLK_MCU 5
VGND 6
COMPOSITE_FIN 7
VGND 8
S_VIDEO_F_YIN 9
VGND 10
S_VIDEO_F_CIN 11
VGND 12
13
VGND 14
Y/COMPOSITE_OUT 15
VGND 16
17
VGND 18
19
VGND 20
PB_OUT 21
VGND 22
PR_OUT 23
+5V_V 24
DGND 25
4094(2)_STB_MCU 26
4094(1)_DATA_MCU 27
4094(1)_CLK_MCU 28
VGND 29
COMPOSITE_FIN 30
VGND 31
S_VIDEO_F_YIN 32
VGND 33
S_VIDEO_F_CIN 34
VGND 35
36
VGND 37
Y/COMPOSITE_OUT 38
VGND 39
40
VGND 41
42
VGND 43
PB_OUT 44
VGND 45
PR_OUT 46