Onkyo HTR940 Service Manual page 25

A B
SCHEMATIC DIAGRAMS-4
VIDEO SECTION
NAVD-8811 (1/2)
<Note>
NC = No mount of parts.
1
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
P4001
C4001
PRIN3
PR
10/50
C4002
PBIN3
PB
IN 3
10/50
C4003 CYIN3
Y
10/50
C4019
102K
C4004
PR PRIN2
10/50
IN 2 C4005
PB PBIN2
10/50
2
C4006
Y CYIN2
10/50
COMPONENT
VIDEO
C4007
PR PRIN1
10/50
C4008
IN 1 PB PBIN1
10/50
C4009
Y CYIN1
10/50
P4002
R4201
75
PR
C4158
470
3 R4202
75
OUT PB
C4159
470
R4203
75
Y
C4013
102K
NC
P4003 C Y
C Y
R4015
75
15 C4014
102K
4
C Y
P4004
VIDEO 2 IN
C Y
VIDEO 1 OUT R4021
75
C4015
102K
VIDEO
P4006 C Y
S VIDEO
VIDEO 1 IN
C4021
102K
P4005
C Y
5
DVD IN
C Y
MONITOR OUT R4030
75
C4020 102K
C
U20
VIDEO & SPEAKER TERMINAL PC BOARD
C4135
104Z
R4133
75
R4135
75
PBOUT2
PBOUT
+5V_VD
CYOUT2
C4122
104Z
CYOUT
C4123
47/25
C4124
47/25
C4125
104Z
PROUT
PBOUT
+5V_VD
CYOUT
+5V_VD
C4010
CIN_V3
104Z
C4011
YIN_V3 AGND
10/50 BA18BC0FP
C4012 Q4006
VIN_V3 LBC2518
L4002
220K
1 3
10/50
I O
R4013
COUT_V2
R4014 75
YOUT_V2
C4217
75
181J
VOUT_V2
R4033 R4034
41
C4016
CIN_V2
C4033
1K 1K 42
104Z
R4035 R4036
104Z 43
C4017
YIN_V2
C4035
1K 1K 44
10/50
R4037 R4038
104Z 45
C4018
VIN_V2
C4037
1K 1K 46
10/50
104Z 47
C4049 C4048
C4050 48
Q4007 L4003
R4019 10/16 104Z 102J
COUT_V1 BA33BC0FP LBC2518 C4045 49
022K 10/16
R4020 75 1 3 C4053 50
I O
YOUT_V1
10/16 C4051
C4054 51
75
10/16 C4052
104Z 52
VOUT_V1
104Z
53
C4056 C4055
54
104Z 102J
C4057 55
10/16
R4040 56
1K
R4039 57
C4022 CIN_V1
C4058 58
1K
104Z
104Z 59
C4023
YIN_V1
C4059 60
10/50
C4024 104Z
VIN_V1
10/50
L4005
LBC2518
220K
C4025
104Z CIN_DVD
C4026
YIN_DVD
10/50
VIN_DVD
C4027
10/50
R4028
COUT_MON
R4029 75
YOUT_MON
75
VOUT_MON
D E
GND_VD
VMUT
C4176 104Z
PRIN_DAC
C4177 104Z
PBIN_DAC
C4244 104Z
C4243 104Z
C4178 104Z
R4143 56K
R4144
C4103
470K
220/6.3
41 24 PBIN1
PBOUT2 PB1
C4104
42 23 C4242 104Z
PBOUT1 CY6
220/6.3 C4154 43 22
GND2 CY5 C4166 102J
C4105 CYIN_DAC
221K 44 21
CYOUT3-FB CY4
C4106
22/6.3 45 20 CYIN3
CYOUT3 CY3
C4107
220/6.3 C4155 46 19 CYIN2
CYOUT2-FB CY2
C4108
22/6.3 47 18 CYIN1
CYOUT2 CY1
C4136
220/6.3 221K 48 17
COUT4 BIAS
49 16 22/50 COUT
VCC2 C8
C4110 104Z 50 15 C4150 104Z CIN_DAC
COUT3 C7
C4137 104Z
C4111 104Z 51 14
Q4002
COUT2 C6
C4112 104Z 52 13
COUT1 AN-15881A-VT GND1
53 12 CIN_V4
GND3 C5
54 VIDEO SWITCH 11 CIN_V3
YOUT4-FB C4
C4114
55 10 CIN_V2
YOUT4 C3
470/6.3 56 9 CIN_V1
YOUT3-FB C2
C4116
57 8 CIN_DVD
YOUT3 C1
C4138 104Z
470/6.3 58 7
YOUT2-FB VCC1
C4118 C4139
59 6 OSDOUT_2
YOUT2 Y8
C4119
470/6.3 60 5 10/50 YIN_DAC
YOUT1 Y7
C4140
220/6.3 61 4
VCC3 Y6
62 3 104Z YIN_V4
VOUT4-FB Y5
C4121
63 2 YIN_V3
VOUT4 Y4
470/6.3 64 1 YIN_V2
SDA Y3
C4141
47/25
COFF
+5V_VD
SCL
SDA
VDRST
VSYNC
+5V_VD
Q4008
D
2SK3019
G
R4159
10k S
L4004
LBC2518
022K Q4009
D 2SK3019
G
S R4058
X4003
FCX-03
28.6363MHz 2.2k
R4032
R4054
0
33
20
AIN7 P6
19
AIN1 P7 R4061 100
18
AIN8 NC
17
AIN2 NC R4060 4.7K
16
AIN9 NC
C4065
15
AIN3 DVDDIO
104Z
14
AGND DGND
13
CAPY1 NC
R4053
12
CAPY2 SFL
Q4001 11 33
AVDD INTRQ
C4064
10
REFOUT ADV7183B DVDD
104Z
9
CML DGND
VIDEO DECODER R4051
8
AGND P8
R4050
7
CAPC1 P9
R4049
6
CAPC2 P10
R4048
5
AGND P11
4 104Z C4063 R4047
AIN10 DVDDIO
3 R4046
AIN4 DGND
2 R4045
AIN11 HS
1 R4052 R4044
AIN5 VS
Q4018
33
RN1401
L4006
LBC2518
022K
F G
To NADG-8808
To NADG-8808
(SD-3 : D1)
(SD-3 : C1)
4P
P2004B P2006B
+5V_VD
R4147
C4147
2.7k 0.47/50
SYCDET
Q4004
LC74761M-9836
C4079 X4001 C4087
100D 14.23MHz 474J
1 30 022K
VSS VDD1
2 29 L4008 LBC2518
XTALIN1 SYNCDET
C4080 180J
3 28 C4088 270J
XTALOUT1 CVCOOUT
C4081 180J 4 27 L4009 056J C4089 220J
HSYNCOUT VCOIN
X4002 5 26 NCH-1572 R4103 C4090
XTALIN2 FC
C4082 R4104 1K
17.73MHz 6 25 223J
XTALOUT2 AMPOUT
080D 7 24 120 R4106 6.8K C4091
VSYNCOUT AMPIN
R4107 1/50
OSDCS R4100 2.2K 8 23
CS PDOUT
C4092 682J
OSDDA R4101 2.2K 9 22 1.5K
SIN VSS
R4102 R4109 220
OSDCK 2.2K 10 21 C4093
SCLK SEPC
0.33/50
11 20 C4094 122K
SW1 SYNCIN
12 19 C4098
SW2 CVCR 100/16
C4096
13 18 C4095
SW3 CVIN
470/6.3 104Z
COFF R4128 14 17
SW4 VDD2
33
15 16
RST CVOUT
C4097
C4086
1/50
SDET 470J
OSDOUT_1
OSDOUT_2 +5V_VD
VOUT
Q4016
RN1443
SELV
Q4013 Q4012
2SA1162-GR
2SA1162-GR
YOUT
1 1
C4102 D4002
Q4015
104Z 1SS352
RN1443
Q4014
SELY
2SA1162-GR R4116
2.2K
R4059
2.2k
Q4010
RN1401
C4165 R4065
105K 100
CYIN_DAC
R4068 R4067 C4170
68 82 101J
1 36
VAA COMP1 C4073
68 82
33 2 35 104Z
P0 DAC A
33
3 34 R4080 R4081 C4171
P1 VAA
33 C4074 R4082 101J
4 33 PBIN_DAC
P2 DAC B
33
5 Q4003 32 105K 100
P3 VAA
33 6 31 R4084 R4085
P4 ADV7172 GND
33 7 30
68 82 C4172
P5 VAA
101J
33 8 VIDEO ENCODER 29 C4075 105K R4086 100 PRIN_DAC
P6 DAC C
33 9 28 C4076 105K R4090 100 VIN_DAC
P7 DAC D
10 27
C4173
CSO_HSO VAA
101J
C4069 11 26 R4088 68 R4089 82
VAA GND
104Z 12 25 C4077 105K R4094 100 YIN_DAC
GND DAC E
C4174
R4092 R4093 101J
68 82
C4078 R4098
CIN_DAC
C4175
105K 100
R4096 R4097 101J
68 82
C4070
10/16
C4071
104Z
HT-R940
H
To NAVD-8811(2/2)
(SD-5 : E2)
NC