Pioneer VSX-LX50 Service Manual page 117

Audio/video multi-channel receiver
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5
(D)
: Audio Data Route
MC
MD
R202
10k
(D)
BDTO
(D)
CDTO
(D)
SDTO
(D)
FDTO
R207
47k
CK49
CK50
CK51
CK52
5
6
STBY
R211
47
C228
C226
0.1
0.1
YB
YB
C227
C225
470p
stby
YB
80
79
78
77
76
75
74
73
72
71
70
69
68 67
1
SDI1
2
GNDIO
3
VDDIO
4
SDO3
5
SDO2
6
SDO1
7
SDO0
8
VDDCO
2nd DSP
9
PF8
10
PF6
IC201
11
PF7
12
DSPC56371AF180
GNDCO
13
PF2
BOOT MODE
A
B
14
PF3
DECODER
0
1
15
PF4
UCOM
1
0
16
PF5
17
VDDIO
18
PF1
19
PF0
20
GNDSP
C209
C207
470p
stby
YB
C210
C208
0.1
0.1
YB
YB
VSX-LX50
6
7
V1D2
V12A
V32F
GNDD
C224
0.1
YB
C223
stby
66 65
64
63 62 61
R231
stby
60
FST_1
R250
47
59
SDI0_1
58
SDI1_1
57
R248
47
PE8
56
PE9
55
BUSY
54
MUTE
53
GNDCO
52
VDDCO
51
MODA
50
R224
stby
MODB
49
MODC
48
R223
stby
MODD
C
D
47
RESET
0
0
46
PINIT
R220
1
0
45
EXTAL
44
100
VDDPD
43
GNDPD
42
GNDPP
41
C211
470p
YB
C212
0.1
YB
R219
4.7k
C213
stby
C214
stby
C215
stby
R206
stby
R208
stby
7
8
V3D2
(D)
DT3O
(D)
DT2O
D2BSY3
D2MUT3
R226
D2MOD
47k
V3D2
Q201
R228
RT1N241M
stby
4.7k
C
B
E
D2RST
R222
100
OSC2
R209
4.7k
R227
stby
G
3/4
8
A
B
C
D
E
F
117

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