Onkyo TX-SR674, Service Manual

Page: 21 / 127

TX-SR674/674E/8467
SCHEMATIC DIAGRAM-4(SD-4)
VIDEO SECTION
TX-SR674/674E/8467
A
1
2
3
4
5
B C D E F G H
CIN_V1
VIN_V3
YOUT_MON YOUT_V1
SDA
COUT_V1
SDA
SCL
CIN_V3
SYCDET
SELV
SELY
VOUT
OSDOUT_1
SDET
OSDCS
OSDDA
OSDCK
OSDOUT_2
CIN_DVD
YIN_V3
YIN_V2
VIN_V2
YIN_V1
VIN_V1
VIN_DVD
YIN_V4 VIN_V4 CIN_V4
CYOUT2
PBOUT
PBOUT2
PROUT
YIN_DVD
OSDOUT_1
CYOUT
PBOUT
PROUT
CIN_V2
COUT_V1
VOUT_V1
YOUT_V1
COUT
VOUT_MON
VMUT SDET
VDRST
SDA SCL
GND_VD
OSDCS SPRLB SPRLSB SPRLCS SPRLF OSDCK OSDDA SYCDET SELV SELY
CYIN1
PRIN3
PBIN3
CYIN3
PRIN2
PBIN2
CYIN2
PBIN1
PRIN1
PROUT2
VMUT
CYOUT
S7 S6
VOUT_V2 VOUT_V1
JPRIN
VOUT
YOUT_V2
YOUT
YOUT
VSYNC
COFF
COUT_V2
COUT
COUT_MON
COFF
VSYNC
OSDOUT_2
COUT_V2
VOUT_V2
YOUT_V2
VIN_V1 VIN_V2 VIN_V3
VIN_DVD YIN_DVD
YIN_V1
VIN_V4
CIN_V1
CIN_V2
CIN_V3
CIN_V4
CYIN_DAC
VIN_DAC
YIN_V3
YIN_V2
CIN_DVD
YIN_DAC
CIN_DAC
YIN_V4
COUT_MON
YOUT_MON
VOUT_MON
CYIN1
CYIN2
CYIN3
PBIN1
PBIN2
PRIN_DAC
PBIN3
PBIN_DAC
PRIN1
PRIN2
PRIN3
DVD IN
OUT
Y
Y
Y
PR
PB
PR
PB
COMPONENT
VIDEO OUT
VIDEO 1 IN
MONITOR
VIDEO 1 OUT
VIDEO 2 IN
VIDEO 2 OUT
VIDEO 3 IN
PB
COMPONENT
VIDEO IN 3
PR
Y
PR
PB
Y C
Y C
Y C
Y C
Y C
Y C
Y C
TO POWER SUPPLY
SECTION
NAVD-8922(1/2)
C4079
100D
C4082
080D
R4102 2.2K
R4006
75
C4097
470J
C4102
104Z
R4115
10K
R4016
75
R4017
75
R4018
75
C4022
104Z
C4015
102K
+5V_VD
R4008
75
R4009
75
R4012
75
R4011
75
R4010
75
C4009
10/50
C4008
10/50
C4007
10/50
C4086
1/50
C4135
104Z
R4007
75
C4131
104Z
C4010
104Z
C4025
104Z
R4027
75
R4026
75
R4025
75
C4021
102K
C4080
180J
X4002
17.73MHz
C4081
180J
R4003
75
R4004
75
R4005
75
R4001
75
R4002
75
C4001
10/50
C4002
10/50
C4003
10/50
C4004
10/50
C4005
10/50
C4006
10/50
C4011
10/50
C4012
10/50
C4017
10/50
C4018
10/50
C4023
10/50
C4024
10/50
C4027
10/50
C4099 100/16
C4147
0.47/50
Q4016
RN1443
Q4015
RN1443
D4001
1SS352
R4114 68
C4100
104Z
C4101 104Z
R4116
2.2K
C4140
104Z
C4152
10/50
C4151
10/50
C4153
104Z
C4243 104Z
C4244 104Z
R4207
100K
R4022
75
R4023
75
R4024
75
C4108
220/6.3
C4106
220/6.3
C4124
47/25
C4104
220/6.3
C4103 220/6.3
C4133
220/6.3
C4134
220/6.3
C4141
47/25
D4002
1SS352
Q4011
RN2402
+5V_VD
C4026
10/50
C4132
10/50
C4138 104Z
C4122
104Z
C4123
47/25
C4019
102K
R4117 33k
Q4012
2SA1162-GR
C4125
104Z
C4112
104Z
C4111
104Z
R4203
75
R4206 100K
C4160
470
R4202
75
C4159
470
R4205 100K
R4201
75
R4204 100K
C4158
470
C4016
104Z
R4021
75
R4212 100K
R4019
75
R4210
100K
R4211
100K
R4020
75
L4011
R3216
2.2
C4137 104Z
C4150 104Z
R4030
75
C4014
102K
R4015
75
R4014
75
R4101 2.2K
P2004B
10
9 8 7 6 5 4 3 2 1
P2006B
10
9 8 7 6 5 4 3 2 1
D4142
1SS352
R4147
2.7K
R4148
47k
R4136
33
R4126
0
R4127
0
C4119
220/6.3
C4114
470/6.3
C4116
470/6.3
C4118
470/6.3
C4121
470/6.3
C4127
470/6.3 C4129
470/6.3
R4141
0
Q4013
2SA1162-GR
C4130
220/6.3
+5V_VD
L4001
C4085
470J
C4084
470J
C4083
470J
R4100 2.2K
P4005
C4143
181J
Q4014
2SA1162-GR
R4125
220
R4124
220
R4121 220
R4120
220
R4118
12K
R4119
2.7K
R4128
33
C4020
102K
R4029
75
P4006
C4109
104Z
L4010
Q4019
RN1443
R4214
100k
R4213
100k
R4215
100k
C4142 181J
R4129
33
C4139 10/50
C4144 181J
C4162 181J
C4163 181J
C4161 181J
P4004
3
R4209 100K
R4013
75
R4208
100K
P4003
C4219 181J
C4218 181J C4217 181J
Q4002
41
PBOUT2
42
PBOUT1
43
GND2
44
CYOUT3-FB
45
CYOUT3
46
CYOUT2-FB
47
CYOUT2
48
COUT4
49
VCC2
50
COUT3
51
COUT2
52
COUT1
53
GND3
54
YOUT4-FB
55
YOUT4
56
YOUT3-FB
57
YOUT3
58
YOUT2-FB
59
YOUT2
60
YOUT1
61
VCC3
62
VOUT4-FB
63
VOUT4
64
SDA
65
VOUT3-FB
66
VOUT3
67
VOUT2-FB
68
VOUT2
69
VOUT1
70
SCL
71
V1
72
V2
73
V3
74
V4
75
V5
76
V6
77
V7
78
V8
79
Y1
80
Y2
1
Y3
2
Y4
3
Y5
4
Y6
5
Y7
6
Y8
7
VCC1
8
C1
9
C2
10
C3
11
C4
12
C5
13
GND1
14
C6
15
C7
16
C8
17
BIAS
18
CY1
19
CY2
20
CY3
21
CY4
22
CY5
23
CY6
24
PB1
25
BP2
26
PB3
27
PB4
28
PB5
29
PB6
30
PR1
31
PR2
32
PR3
33
PR4
34
PR5
35
PR6
36
MUTE
37
PROUT2
38
O1
39
PROUT1
40
O2
AN-15881A-VT
C4088 270J
C4090
223J
R4103 1K
R4105
6.8K
R4106
6.8K
C4092 682J
R4107
1.5K
R4109
220
C4094 122K
C4095
104Z
Q4017
2SC2712-GR
L4009
NCH-1572
R4112
3.3K
R4111
47K
C4087
474J
R4110
1K
C4098 100/16
R4108
820K
C4091
1/50
C4096
470/6.3
R4104
120
Q4004
LC74761M-9836
1
VSS
2
XTLIN1
3
XTLOUT1
4
HSYNCOUT
5
XTLIN2
6
XTLOUT2
7
VSYNCOUT
8
CS
9
SIN
10
SCLK
11
SW1
12
SW2
13
SW3
14
SW4
15
RST
16
CVOUT
17
VDD2
18
CVIN
19
CVCR
20
SYNCIN
21
SEPC
22
VSS
23
PDOUT
24
AMPIN
25
AMPOUT
26
FC
27
VCOIN
28
OUT
29
SYNCDET
30
VDD1
L4008
LBC2518
022K
L4007
LBC2518
022K
R4113
10K
C4089 220J
C4093
0.33/50
R4028
75 C4110
104Z
C4013
102K
P4001
P4002
C4242 104Z
C4136 22/50
R4150 0
R4151
0
R4152 0
R4153 0
R4155
0
R4154
0
R4156
0
R4157
0
R4158
0
X4001
14.32MHz
C4105
22/50
C4107
22/50
C4154
221J
C4155
221J
L4009
056J
L4008
CVCO
U14 VIDEO PC BOARD
VIDEO SW
(SD-5:G3)
TO NADG-8920 (SD-6:D1)
TO NADG-8920 (SD-6:D1)
HDBCV
HDASY
HDASC
HDAPB
HDAPR
HDBPY
HDBPR
HDBSY
HDBSC
GND
GND
GND
GND
GND
GND
GND
GND
HDBPB
GND
GND
PROUT2
PBOUT2
CYOUT2 HDAPY
OSDOUT_2
COUT
CYIN_DAC
PBIN_DAC
PRIN_DAC
YIN_DAC
CIN_DAC
VIN_DAC
R4145
0
R4221
0
R4225
0
P4008B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
TO NAVD-8824(2/2) (SD-11:H3)
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
COMPONENT
VIDEO IN 1
COMPONENT
VIDEO IN 2