Dvb Channel Decoder 2 - Philips QM14.3E LA Service Manual

Circuit Diagrams and PWB Layouts
10-1-15 B, DVB CHANNEL DECODER 2

DVB CHANNEL DECODER 2

B
L017F I054F
+3V3-DVBT +3V3-DVBT2-X-DT
30H
L019F I053F
+3V3-DVBT2-A-DT
+3V3-DVBT
30H
L018F I052F
+3V3-DVBT +3V3-DVBT2-D-DT
30H
U008F
VDD
3
+1V5-MTK-DT VIN
R081F 1
2
+5V EN
5% I047F
QM14.3E LA 10.
DT-LNB-ENABLE
DT-LNB-VH
DT-LNB-LINEDROP
S025F
50m
DT-DVBS-AGC
DT-DEMOD-RESETn
R075F 22
R057F
+3V3-DT
10K
R093F
DT-IF-N-DVBT2 F013F 47
DT-IF-P-DVBT2
47 C097F
F014F
R094F
DT-IF-AGC-DVBT2
F017F
+3V3-DVBT2-D-DT
DT-SDA-TUNER
F018F
DT-SCL-TUNER
F019F
DT-22KHz
DT-DVBS-IP R070F
I048F
6
+1V1-DVBT2-DT
VOUT
7
ADJ
1
PGOOD
I049F
5
NC
F015F
R084F 82K SENSE+1V1-DT
1%
I050F
EN 54
+1V1-DVBT2-DT
U007F
CXD2834ER
S023F
1
GPIO0
50m
S024F 47
GPIO1
50m
2
GPIO2
C102F 2.2nF
I057F
S017F
24
50V
TESTMODE
50m
R056F
10K I061F
25
SLVADR0
5%
S016F
26
OSCEN_X
50m
29
RST_X
I062F
S022F
30
SLVADR3
50m
X007F
1 3 35
XTALI
DB007F
DB006F
R071F
1K
34
XTALO
C092F 22pF
R067F
C096F 10nF 50V 47
37
TAINM
10nF 16V
38
TAINP
C093F 22pF
47
16V R068F
50V 41
RFAIN
C081F 10nF
R055F
16V
48
TIFAGC
10K
R079F
3,3K
45
TTUSDA
46
TTUSCL
R080F 3,3K
I056F I055F
S021F
C107F 22pF 50m
47 50V
5%
SENSE+1V1-DT X006F
+1V1-DVBT2-DT
back to
2014-Apr-17
div.table
+3V3-DVBT2-D-DT
+3V3-DVBT2-A-DT
R069F
C106F
R073F 47
4
TSVALID
C094F 10pF
R064F
RES 50V
5
TSCLK
47 DB010F
R076F 47
3
TSSYNC
I2C R077F 47
8
TSDATA0
address 4 5
R077F 47
9
TSDATA1
5%
= R077F 47 3 6
12
TSDATA2
5%
0XD8 2 R077F 7 47
13
TSDATA3
5%
1 8
5%
R090F 47
14
TSDATA4
4 5
R090F 47
15
TSDATA5
5%
R090F 47 3 6
16
TSDATA6
5%
2 7
R090F 47
17
TSDATA7
5%
1 8
R065F
5%
20
SCL
21 47 R066F
SDA
47
33
+3V3-DVBT2-X-DT
NC1
40
NC2
F033F
MTK UHD 50 Hz
7800
B
DT-DVBS-QP
47
5%
22pF
50V
DB008F
DT-TS-VALID
DB009F
DT-TS-CLK
DT-TS-SYNC
DT-TS-DATA0
DT-TS-DATA1
DT-TS-DATA2
DT-TS-DATA3
DT-TS-DATA4
DT-TS-DATA5
DT-TS-DATA6
DT-TS-DATA7
DT-SCL-FE
DT-SDA-FE
F020F
F021F
1 2014-02-14
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14-03-26