Onkyo TX-SA806 Service Manual page 53

A B
PRINTED CIRCUIT BOARD VIEWS-8
1
U17
VIDEO PC BOARD (NAVD-9505)
Side-B
2
1
+3.3VECON
3PLLVSWSCL
3PLLVSELSDA GNDECON
STEREO
SD
RDSDATA
RDSCLK
1 NC
7
?
3
1
11
?
?
1
4
5
C
1
1 5
Q4000
1
D4010
1
R4024
5
POWERD
+SUB
GND_MPU DG
POFF +12V GND
GND
12VRL D4001
MCLR
R4503
R4502
PGD
PGC
D4014
NC
C4811
Q4805
Q4005
R4018
R4017
D4500 D4501
XMDACRST
C4804
XMRST
XMANT
XMLNK
R4510
XMTXD
XMRXD
C4813
SRTXD
C4814
SRRXD
SRRST
GNDDG
1 +5.9VXM
R4611
C4602
R4615
C4603
D E
C4600
?
+12VHDMI
D4016
5 1 ? ? 1
17
GNDHDMI
VD
+12V
L4001
C4229
Q4006
R4199
R4130
R4213
Q4002 C4005
C4222
C4117
C4151
C4162
C4223
C4109
C4110
R4206
R4007
C4120
D4005 R4111 C4118
C4113
C4008 R4202
C4111
Q4003 COMPONE COMPOSI
C4134
R4006
R4005
COMPOSI
OUT R4145
R4144
C4193
R4165 R4205
V
Y V
V V R4146 V
R4163 Y
Y Y C
C
R4162
Y
C
C4212
R4203 R4147
R4201
R4141
C
C
R4149
R4139
R4155
R4164
R4140
VCR/
DVD
OUT DVR
OUT
C4606
R4156 R4157 R4150 R4151 C4194 C4195
C4213
DVD VCR/DVR
C4214 CBL/SAT
IN IN IN
F G
GNDVD XMDACRST 1
GNDVD XMRST
1
VMUT
XMANT
XMLNK
TRGC
TRGA TRGB
SRRST
STEREO
POFF2 SD
APOWER VPOWER
? ? ?
FANCTRL
POFF
23
? 1
?
R4185
R4180 R4178 R4184
R4179 R4186 R4209
? ?
1
AUXCV_IN
21 ?
C4187
?
? 1 AUXSC_IN
C4183
R4188
C4218
C4190
R4170
R4196
R4166
C4201
C4171
C4170
R4198
IN
C
v
Y
R4190 R4192
R4135
C4149 C4158
R4120 R4112 R4104
R4137
R4136
Z2
MONI
OUT IN1 IN3
GAME/TV IN2
OUT
IN C4159
C4131 C4112
TX-SR806/SA806
H
1
?
?
?
D4002
?
16
GNDVD
AUXSY_IN
ERST
RS_ETH
+3.3VST
GNDDG
GNDDG
GNDDG
+12VDG1+SUB
GNDDAC
+12VDG2
GNDDAC
R4101
C4104
R4102
C4101 C4105
R4100
? 1
?
?
14