LG RD-JT30 Service Manual page 168

5
D
R161
GHS1
C
GA IN
B
A
5
4
1K
G HS
G HS
GCOAST
H S Y NC
V S YN C
GBLKSPL
68
R167 GB IN-A C193 0.047U K G BIN
BA IN
C194 10P J
R168 68 GGI N-A C195 0.047U K G GIN
C196 1000P J S O GIN1
R242 1.5K C197 10P J
R169 68 GRI N-A C198 0.047U K G RI N
R A IN
C199 10P J
SCL
SDA
G VREF
C200
0. 1U Z
4
3
P5V
3
CAREFULY LAYOUT
C172
PV DD
0. 1U Z
C182 C183
3900P K 39N K
RE F-A
R166
3.3K
GFILT
G VMID
V33
A VDD
41
GND GND
42
VD B0
43
BAIN B1
44
GND B2
45
VD B3
46
VD B4
47
GND B5
48
GAIN B6
49
SOGIN B7
U32
50
GND VDD
AD9883AKST-140
51
VD GND
52
VD G0
53
GND G1
54
RAIN G2
55
A0 G3
56
SCL G4
57
SDA G5
58
REF BYPASS G6
59
VD G7
60
GND GND
V33
GCLK
GFBK
GHS1
GVS
C201
20P J
3
2
U29 AV DD
2
VIN VOUT
C169 C173 C174 C175 C176 C177 C178
LD1117-3.3V 22U
6.3V 0. 1U Z 0. 1U Z 0. 1U Z 0. 1U Z 0. 1U Z 0. 1U Z
C192
0. 1U Z
RN 16
20
ADBE0 GBE0
19 5 4
18 ADBE1 6 3 GBE1
RN 17
ADBE2 GBE2
17 7 2
ADBE3 GBE3
16 8 1
15 ADBE4 5 4 GBE4
ADBE5 22 GBE5
14 6 3
ADBE6 GBE6
13 7 2
12 ADBE7 8 1 GBE7
11
V33
RN 18
10
22
9 ADGE0 5 4 GGE0
8 ADGE1 6 3 GGE1
ADGE2 GGE2
7 7 2
ADGE3 RN 19 GGE3
6 8 1
5 ADGE4 5 4 GGE4
ADGE5 22 GGE5
4 6 3
ADGE6 GGE6
3 7 2
2 ADGE7 8 1 GGE7
1
22
RN 20
A DRE0 5 4 GRE0
A DRE1 GRE1
6 3
A DRE2 GRE2
7 2
A DRE3 8 1 RN 21 GRE3
A DRE4 GRE4
5 4
A DRE5 22 GRE5
6 3
A DRE6 7 2 GRE6
A DRE7 GRE7
8 1
22
GCLK
GFBK
GHS1
GVS
2
1
P5V U30 PV DD
3 2
VIN VOUT
C170 C180 C181
C179 22U
LD1117-3.3V
0. 1U Z
6.3V 0. 1U Z 0. 1U Z
P3P3V V33
L22
120 OHM
C186 C187 C188 C189 C190
C185
22U 0. 1U Z 0. 1U Z 0. 1U Z 0. 1U Z 0. 1U Z
6.3V
GB E[0:7]
G GE[0:7]
GR E[0:7]
Benq Corporation
Project Code
Model Name OEM/ODM Model Name
N A
JT31
99.J5577.001
Title
MAIN BOARD
Size PC B P/N P C B R ev. Do cu ment Number
<Size>
48.J5501.S02 S02
304-C01
Wed nesd ay, Nove mber 20, 2002
D a te: Sheet 12 o f 20
Pre pared By Re vi ewed By A p proved By
A NGEL HU D A V I D HN L IN H.C . TSOU
1
D
C191
0. 1U Z
C
B
A
R e v .
0