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Scrb(1/3), Frjb And Fldb Assys - Pioneer DVR-230-AV Service Manual

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1

3.4 SCRB(1/3), FRJB and FLDB ASSYS

A
R166
BLANK
3-C4
C
3/3
DTC114TUA-TLB
B
C
1/3
SCRB ASSY
(VWV2140)
V+12R1SW
toFAN
CN101
V+12R1SW
1
GND
2
***
GND
GND
GND
Q109
L103
C
***
B
C
C
Q110
GND
GND
***
E
GND GND
V+5V
V+5V
CN102
9
DBGP2
DBGP1
8
DBGP0
7
R109
RESET
6
100
GND
5
RXD1
4
TXD1
3
2
GND
C103
V+5V
1
***
VKN2015-
D
GND
GND
E
F
C
1/3
20
1
2
V+5V
E
B
Q103
MRST
***
2-B3
C
R111
V+5V
C
2/3
***
GND
Q101
C
B
E
GND
R144
100
HST_TO_M
TEXTV
1-D3
C120
C119
R145
YF
2.2/50
1k
0.1/25
C121
YF
1u/10
R158
DBGP2
100
R159
DBGP1
100
R160
DBGP0
100
E
R146
100
DAT_TO_M
R147
100
DAM_TO_T
C151
R148
100
ASCK
***
R1105
B
FANCTL
***
GND
HSM_TO_T
V+5R8E
DBGP2
D103
DBGP1
1SS355-TRB
DBGP0
R129
RESET
22k
RXDGL
TXDGL
GND
V+5M
C155
YF
0.1/25
R169
0
3
2
1
IC102
BD4846G-TRB
GND
4
5
P_CONT
GND
HST_TO_M
DAT_TO_M
DAM_TO_T
ASCK
HSM_TO_T
XRST1
XRST1
1-C3
C
2/3
GND
2
3
R185
0
Q104
***
C
B
E
GND
C123
***
80
79
78
77
76 75
74
73
72
71
70
69
68
67
66
65
81
C134
***
82
83
84
85
blank
86
blank
81. CVBSIN
87
blank
82. GND
C124
***
88
83. FILTSLC
GND
89
84. VDDVCO
VDD3
90
DBGP2
IC101
91
DBGP1
PMC002B8-K
92
DBGP0
93
blank
98. DAT_TO_M
94
blank
99. DAM_TO_T
95
blank
100.ASCK
96
blank
97
blank
98
99
100
1
2
3
4
5
6 7
8
9
10
11
12
13
14
15
16
C115
YF
1u/10
R164
1M
R120
***
X101
X102
GND
V+5V
GND
GND
GND
V+5VI
Q106
***
E
B
C
R179
***
Q108
***
C
B
Q107
C144
***
E
C
YF
B
1u/10
R184
C145
E
GND
GND
DVR-230-S
3
4
V+5R8E
D101
1SS355-TRB
Q105
E2
D105
DAP202U-TLB
3
2
B2
1
GND
GND
UMD2N-TLB
C2
V+5M
GND
R1111
R102
R157
100
64
63
62
61
60
59
58 57 56
55
54
53
52
51
R175
50
100
49
48
47
XTHROU
R152
46
***
50. blank
S1
45
49. blank
EPGEXT
R168
44
***
48. XAVLTH
RGBSEL
43
R189
47. PSMUTE
SQUEEZE
42
FUNC_ON
41
R190
VDD4
40
GND
39
SWSTBY
38
1u/10
33. AMUTE2
YVSEL
37
32. COMPMUTE
SELV3
36
31. MUTEV
SELV2
GND
35
SELV1
34
R1107
33
0
32
R1106
31
***
17
18
19
20
21
22 23 24 25
26
27 28 29 30
V+5V
V+5M
2SC4081(QR)-TLB
100k
R135
R150
10
GND
R105
R131
6.8k
R134
4.7k
4.7k
R132
100
R130
100
R1116
GND
0
Note 3
R128
1k
V+5V
R214
0
R213
0
GND
GND
GND
V+5V
V+5R8E
R170
D107
1SS355-TRB
D106
R172
1SR154-400-TRB
TEXTV
1-A2
GND
C
3/3
3-A3
TEXTVIN
4
D102
DAN217U-TLB
3
2
1
SAMUTE
3-B4
C153
Q105
GND
C
GND
B
C
3/3
E
UMD2N-TLB
GND
C
2/3
RFTHRU
2-A6
AVLIN
3-D4
XAVLTH
3-D4
C
3/3
XTHROU
3-D4
TU_XMODE
C
3/3
3-A1
***
SQU
3-C4
FUNC_ON
***
3-C4
C116
YF
C
2/3
AMUTE2
2-C4
MUTEV
3-B1
C
3/3
Q102
C
B
E
AVLOUT
3-D4
470
C
3/3
R186
GND
FUNC
3-B5
SCL
C
3/3
SDA
XRST1
1-C2
C
2/3
SDET1
2-C6
KEY1
1-C5
SEL_IR
C
2/3
2-C6
IR
2-C6
R171
GND
V+5M
GND
GND

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