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

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