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TUNER
TOP-TECH
2009/11/25
Title
Size
Document Number
Date:
Sheet
of
1
A
6
5
4
3
2
1
1
2
3
4
5
D
C
B
A
D
C
B
A
1.0
Rev
SAMSUNG DTOS403IR121
LG TDTC-G311D
靠近
tuner
放置
Q404 colose to tuner RFAGC
靠近
tuner
放置
This part of the component values,In accordance with the following diagram。change all
Remove components
Digital IF filter
NC
NC
NC
NC
R415
10k
R422
100k
R409
10k
R400
10k
L40
FB220/100mA
L39
FB220/100mA
C459
100nF
C457
100nF
C458
100nF
Q403
MMBT3904
Q404
3906
CA18
100uF/16V
CA19
100uF/16V
CT47
10uF
31
VHFL02
32
VHFH1
33
VHFH2
34
UHF1
35
UHF2A
36
UHF2B
37
UHF3
38
LEXT
39
VCC_RF
40
VHF_IN
1
UHF_IN
2
GND_ATI
3
RFVGC
4
VCC_I
F
5
GND_AT2
6
IF
OUT
1
P
7
IF
OUT
1
N
8
IF
V
G
C
9
ADDR
10
IF
INN
11
IFINP
12
GND_IFVGA
13
VCC_IFVGA
14
IFOUT2
15
IFOUT2N
16
IFOUT2P
17
GND_DIG
18
REFOUT
19
VCC_DIG
20
SCL
21
XB
22
XE
23
REFDIV
24
SDA
25
CP_VTUNE
26
GND_VT
27
VCC_VCO
28
LD
O
29
VCC_M
IX
30
VHFLO1
UT1
MAX3543
LT11
150nH
CT20
1000pF
LT10
68nH
LT9
15nH
LT8
15nH
LT7
270nH
CT48
1000pF
RT12
7K5
CT16
2pF
LT6
12nH
CT15
8.2pf
LT5
18nH
CT17
1000pF
CT18
5.6pF
LT4
47nH
LT1
270nH
CT44
1000pF
CT43
150R
CT42
150R
CT38
1000pF
CT22
0.47uF
CT24
1500pF
CT25
33nF
RT6
560
CT27
22pF
CT26
22pF
CT30
1uF
CT21
1000pF
CT23
1000pF
CT46
1000pF
RT11
FB
0402 Resistor
CT40
1000pF
CT19
1000pF
RT14
0
CT32
1000pF
CT31
1000pF
CT36 0R
CT37 0R
CT7
4.7uF
CT8
47pF
CT4
1000pF
RT4
33
RT5
33
CT2
39pF
CT3
39pF
RT10
1k
CT41
100NF
CT1
1OOOPF
J11
CT28
22pF
YT
1
24MHZ
RT1
0R
RT2
0R
RT3
0R
CT29
8.2pF NC
CT3
4
NC
CT3
5
NC
CT39
5.6pF
RT7 15R
CT45
2.2uF
CT12
39pF
LT2
470nH
CT11
68pF
LT3
470nH
CT13
82pF
RT8 75R
RT9 75R
RT15
NC
CT33
NC
LT12
nc
15
BODY
16
BODY
3
RF_AGC
4
SCL
6
B2
5
SDA
11
DF1
9
IF
_
A
GC
10
DF2
12
AI
F
14
BODY
13
BODY
1
NC
2
B1
7
VTU_TP
8
AS
17
BODY
18
BODY
19
BODY
20
BODY
21
BODY
22
BODY
23
BODY
U11
TDTC-G501D
CT49
100NF
L26
120nH
C285
120pf
C286 56pf
C287
56pf
L37
120nH
C288
120pf
C289
56pf
C290
56pf
L2
120nH
C291
150pf
C292 1000pf
C293
1000pf
C294
56pf
C295
56pf
R257
390R
L4
120nH
C20
150pF
3
3
1
1
2
2
D2
BAV99
CT9
1000pF
CT14
4.7pF
IN
OUT
ADJ
U6
AMS1117-ADJ
CT50
1000pF
L5
FB220/100mA
CT10
1000pF
CA2
10uF/25V
IF_OUT
#IF_OUT
T_SDA
T_SCL
DIF_AGC
IF_TV
T_RF-AGC
5V_TUNER
5V_B2
5V_SW
SW3.3V
RF_AGC_SEL
RF_AGC
T_RF-AGC
VCCA
VCCA
VCCA
VCCA
VCCA
VCCA
VCCA
VCCA
SCL_MXA
SDA_MXA
AIFA
DIF2A
DIF1A
SDA_MXA
SCL_MXA
DIF1A
DIF2A
AIFA
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
IFI+A
IFI-A
IFO-A
IFO+A
DIF_AGC
DIF_AGC
IF_OUT
#IF_OUT
IF_TV
T_RF-AGC
T_RF-AGC
T_SCL
T_SDA
IFO-A
IFO+A
IFI-A
IFI+A
AGND
VCCA
AGND
5V_SW
AGND
$$$23296
$$$4
$$$4
$$$4
$$$4
5V_B2
Circuit of main board- 5
Page 17 of 152
Summary of Contents for STV-24LEDGR7
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Page 26: ...BLOCK DIAGRAM DVD System Block Diagram Page 10 of 152 ...
Page 35: ...MAIN IC SPECIFICATIONS Page 19 of 152 ...
Page 36: ...Page 20 of 152 ...
Page 37: ...Page 21 of 152 ...
Page 38: ...Page 22 of 152 ...
Page 39: ...Page 23 of 152 ...
Page 40: ...Page 24 of 152 ...
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Page 42: ...Page 26 of 152 ...
Page 148: ...PCB INFORMATION PCB of main board 1 Page 132 of 152 ...
Page 149: ...PCB of main board 2 Page 133 of 152 ...
Page 150: ...PCB of main board 3 Page 134 of 152 ...
Page 151: ...PCB of main board 4 Page 135 of 152 ...
Page 152: ...PCB of main board 5 Page 136 of 152 ...
Page 153: ...PCB of main board 6 Page 137 of 152 ...
Page 154: ...PCB of DVD 1 Page 138 of 152 ...
Page 155: ...PCB of DVD 2 Page 139 of 152 ...
Page 156: ...PCB of DVD 3 Page 140 of 152 ...
Page 157: ...PCB of DVD 4 Page 141 of 152 ...
Page 158: ...PCB of DVD 5 Page 142 of 152 ...
Page 159: ...PCB of DVD 6 Page 143 of 152 ...