10.
Circuit Diagrams and PWB Layouts
Demodulator (DTMB, DVB-T & PAL)
19190_513_110909.eps
110926
Demodulator (DTMB, DVB-T & PAL)
B11
B11
2011-09-01
2
715G5151
Demodulator
(DTMB, DVB-T & PAL)
TSSY NC
T2D_TIF-
TS2
C1118
100N16V
VDD12
DEMOD_TSDATA0
C1127
1uF 16V(NC)
C1115
100N16V
AVDD1V2
TS6
T2D_TIF-
VDD12
R1122
10K 1/16W 5%(NC)
C1134
100N16V(NC)
TE
S
TIO
2
0
R1118
10K +-1% 1/16W
C1138
100N16V
TS3
VDD_DIV
IF_AGC_SW
C1137
100N16V
V3.3
R1126
200R 1/16W 5%(NC)
TSCLK
TS6
IVINN
R1125
330R 1/16W 5%(NC)
DTMB
_
RE
S
ET
N
FB1111
NC/120R/3000mA
1
2
close to ATBM8848
DTMB_RESETN
VD
D
33
TS0
C1106
100N16V
TESTIO23
R1124
100K 1/16W(NC)
R1109
100K 1/16W(NC)
C1124
100N16V
TS7
R1116
0R05 1/16W
DEMOD_TSDATA0 4
IVINP
DEMOD_TSCLK
R1117
0R05 1/16W
+
C1101
NC/220UF 16V
R1119
10K +-1% 1/16W
IF_AGC_SW
15
VD
D
12
A
S
IC_
3
V
3
REFCLK1
VD
D
12
R1107
100K 1/16W(NC)
TESTIO25
TP07
T POINT R(NC)
IF_AGC_D2T
TS4
V3.3
SCLM
TS2
TE
S
TIO
2
1
GND
4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,21,22,23,24
FB1108
NC/120R/3000mA
1
2
U101
NC/ATBM8848
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
2
3
24
25
26
27
2
8
29
3
0
3
1
3
2
33
3
4
3
5
3
6
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
5
8
57
55
56
59
60
61
62
6
3
64
65
66
67
6
8
69
71
72
70
7
3
TSBSY NC
TSBVLD
TSBCLK
TSB7
TSB6
VDD33
TSB5
TSB4
TSB3
VDD12
TSB2
TSB1
TSB0
PWM0
VDD12
CLK_REF_OUT
VDD_DIV
REFCLKI0
RE
FCL
K
I1
VD
D
_O
S
C
DV
DD_
A
DC
AD
VD
D
_AD
C
QVI
N
P
QVI
N
N
IV
INP
IV
INN
A
V
DD_
RE
F
R
EF
_BI
A
S
_EXT
VD
D
12
TE
S
TIO
1
6
TE
S
TIO
1
5
VD
D
33
TE
S
TIO
1
4
TE
S
TIO
1
3
TE
S
TIO
1
2
TE
S
TIO
1
1
TESTIO10
I2CINT
SCLM
SDAM
VDD12
SCLS
SDAS
DBGBUS17
VDD33
DBGBUS16
DBGBUS15
TESTIO17
TESTIO18
TESTIO19
VDD33
VDD12
DBGBUS14
DBGBUS13
NC
VD
D
12
NC
NC
VD
D
33
VD
D
33
DB
G
B
U
S
12
DB
G
B
U
S
11
VD
D
33
DB
G
B
U
S
10
VD
D
33
PW
M
1
VD
D
33
VD
D
12
RE
S
ET
N
TE
S
T0
TE
S
T1
DB
G
S
EL
GN
D
R1115
2.7K 1/16W 1%
Tuner I
2
C
A
S
IC_
3
V
3
V1.2
VDD12
TP05
T POINT R(NC)
Serial TS
SCLM
VDD_DIV
IF
_AGC
_
S
W
VDD33
SDAS
IV
INP
C1105
100N16V
R1114
2.7K 1/16W 1%
VDD33
TS5
FB1109
NC/120R/3000mA
1
2
L1101
2.2uH(NC)
R1102
56K 1%(NC)
TP06
T POINT R(NC)
C1126
100N16V
15
VDD33
VDD33
C1112
100N16V
OSCL0
PWM0
C1123
100N16V
C1120
100N16V
TP04
T POINT R(NC)
Demod I
2
C
V3.3
TU_SDA
C1133
100N16V(NC)
ASIC_3V3
A
S
IC_
3
V
3
IF_AGC_D2T
C1117
100N16V
LD1101
NC/LED
1
2
AVDD33
TESTIO24
C1125
100N16V
TP02
T POINT R(NC)
OSCL0
4,5,7,12,15,20
OSDA0
DEMOD_RESET
TU_SCL
15
FB1112
NC/120R/3000mA
1
2
DEMOD_TSVALID 4
TS3
C1129
15pF/50V(NC)
C1110
100N16V
TE
S
TIO
2
2
DEMOD_TSSY NC
DEMOD_RESET 4
C1130
1uF 16V(NC)
Parallel TS
T2D_TIF-
15
SDAM
ASIC_3V3
C1107
100N16V
OSDA0
4,5,7,12,15,20
TU_SDA
FB1107
NC/120R/3000mA
1
2
C1109
100N16V
C1122
100N16V
SDAS
REFCLK1
IF_AGC_D2T
15
TS0
FB1110
NC/120R/3000mA
1
2
GPIOs from Demodulator IC
VD
D
12
TESTIO21
R1105
100K 1/16W(NC)
TP08
T POINT R(NC)
VD
D
33
TS7
DEMOD_TSCLK
OSDA0
C1102
1uF 16V
TESTIO26
C1114
100N16V
R1106
100K 1/16W(NC)
TS1
TS0
TSVALID
TESTIO24
X1101
NC/30.4MHz
1
2
VDD12
V3.3
R1123
0R05 1/16W(NC)
R1113
0R05 1/16W
ASIC_3V3
TSCLK
TSVALID
R1120
4.7K 1%
VD
D
33
TESTIO22
IV
INN
DEMOD_TSDATA0
TESTIO27
C1104
1uF 16V
R1127
10K 1/16W 5%(NC)
TU_SDA
15
VD
D
33
TESTIO26
R1108
100K 1/16W(NC)
VDD33
TP03
T POINT R(NC)
Near to ALBM8848
VD
D
33
TS4
TESTIO23
REFCLK0
SCLS
TU_SCL
VDD33
C1111
100N16V
TS5
REFCLK0
VD
D
33
DEMOD_TSVALID
TESTIO21
R1101
NC/1M 1/16W
DEMOD_TSSY NC
TS1
VDD12
C1116
100N16V
R1121
4.7K 1%
C1113
100N16V
AVDD33
TESTIO25
TESTIO27
TP26
T POINT R(NC)
SDAM
R1112
0R05 1/16W
+
C1119
NC/220UF 16V
VDD33
TSSY NC
C1103
1uF 16V
RP1101
NC/22oHM 1/16W
1
2
3
4
8
7
6
5
R1103
100K 1/16W
䠄
N C
䠅
SCLS
DEMOD_RESET
R1104
100K 1/16W(NC)
VDD12
LOCK
TU_SCL
OSCL0
C1128
12PF 50V(NC)
C1121
100N16V
+
C1108
NC/220UF 16V
DEMOD_TSCLK 4
VD
D
33
DEMOD_TSVALID
TESTIO20
PWM0
TP01
T POINT R(NC)
DEMOD_TSSY NC 4