AOC Norcent LT3725, Service Manual

Page: 32 / 86

37’’ LCD TV Color Monitor Norcent LT3725
32
9. Schematic Diagram
9.1 Main Board
OREN_RST 3
SIF
C713
22pF
R705 47 1/10W
C727
47pF
L711 0.33uH
TU_DATA 14
I2C0CLK 6,12
R712 47 1/10W
C714
NC/ 1pF
C720
0.01uF
VCC5_0
L706
CHIP INDUCTOR 1.0uH +-10%
T1961-F-X-X-1-061011
I2C0DATA
R717
2K 1/10W
+
C731
470uF/16V
R714 10K 1/10W
LRCLK 8,14
TU_SDA
R720
68 1/10W
I2C0DATA 6,12
TU_SDATA 3
L710 0.33uH
TU_FRAME
C710
0.01uF
+
C724
10uF/16V
R710 47 1/10W
FB701
600OHM
VCC3V3_DM R708 47K 1/10W
TV1_CVBS 9
TU_VALID 3
VCC5_0_T1
R
719
1M
1/
10
W
VCC5_0
R709 10K 1/10W
I2C0CLK
C718
0.01uF
C704
0.01uF
TP700
1
FB705
600OHM
1 2
C716
0.001uF
C736
0.001uF
I2C0CLK
C701
0.01uF
BCLK 8,14
TU_FRAME 3
R703
47 1/10W
R711 47 1/10W
IF
Filter
SF701
EMI FILTER
1
2
3
4
5
INPUT
INPUT
GN
D
OUTPUT
OUTPUT
L707 1.8uH
Q701
BFR93A
VCC3V3_DM
R713 2K 1/10W
TU_DATA
VCC5_0_T2
C728
47pF
TU_SCK
VCC5_0_T2
TU_SCLK 3
TU_SDATA
R715 3.9K 1/10W
C737
0.1uF
C707
0.1uF
TU_VALID
VCC5_0_T2
VCC5_0
+ C733
470uF/16V
C734
0.1uF
Tuner / Demodulator
R723
68 1/10W
C709
0.01uF
C719
0.01uF
C702
56pF
R725 10K 1/10W
R716
NC/ 10K
C723
22pF
U702
UPC3218GV-E1-A
1
2
3
4
5
6
7
8
Vcc
IN1
IN2
VAGC
GND
OUT2
OUT1
GND
R718
680 1/10W
C729
82pF
TU_SDA
X701
25MHz
C703
47pF
OREN
Demodulator
U701A
CAS-220/CS
97
96
94
93
36
39
40
41
43
44
48
49
29
28
4
10
14
21
25
27
31
38
42
47
32
8
2
34
24
26
50
51
52
54
56
57
66
65
64
63
11
12
89
90
100
1
58
59
20
19
16
18
13
61
80
79
71
72
67
68
AIN1_P
AIN1_N
AIN2_P
AIN2_N
D_OUT0
D_OUT1
D_OUT2
D_OUT3
D_OUT4
D_OUT5
D_OUT6
D_OUT7
D_VALID
D_CLK
D_IN0
D_IN1
D_IN2
D_IN3
D_IN4
D_IN5
D_IN6
D_IN7
D_IN8
D_IN9
D_FAIL
SCAN_MODE
SCAN_EN
D_SOP
STAT0
STAT1
STAT2
STAT3
STAT4
STAT5
STAT6
STAT7
AU_CLK
AU_SD
AU_MCLK
AU_WS
IF_AGC
RF_AGC
AIN_OOB_P
AIN_OOB_N
PARAM0
PARAM1
PARAM2
PARAM3
SDA_I2C
SCL_I2C
TU_SDA
TU_SCL
I2C_ADDR
RST
XTI
XTO
LO_OUTP
LO_OUTN
CRX
DRX
+ C732
470uF/16V
TP701
1
C721
0.01uF
R704 47 1/10W
C711
0.1uF
R721
100 1/10W
I2C0DATA
C4L1
NC/1800pF
FB702
600OHM
1 2
C712
22pF
C726
560pF
R701
100 1/10W
BCLK
R702 100 1/10W
FB706
600OHM
C730
22pF
SIF
C725
0.0015uF
C706 0.1uF
FB704 600OHM
1 2
ANT IN
TU701
4 5 6 11 12 1 9 7 2 8 10 3
13
14
15
16
AS SD
A
SC
L
FM
-I
F
SI
F
/AS
N.C AF
o
u
t
IF
o
ut
AG
C
-in
t
+5
V
VI
D
E
O
o
u
t
+5
V
TH1
TH2
TH3
TH4
VCC5_0_T1
LRCLK
C717
0.1uF
R722
2K 1/10W
* Do notinstall.
VCC3V3_DM
C708
0.001uF
C705
0.1uF
L701
0.22uH
F
Page 02 - Tuner and Demodulator
B
2 19 Wednesday , October 11, 2006
Title
Size Document Number Rev
Date: Sheet of
TU_SCLK
C735
0.001uF
IF_AGC
R707 47 1/10W
FB703 600OHM
1 2
R706 47 1/10W
IF_AGC
C722
22pF
TU_SCK
C715
0.1uF