Dvb Dual Tuner - Philips QM14.3E LA Service Manual

Circuit Diagrams and PWB Layouts
10-1-12 B, DVB DUAL TUNER

DVB DUAL TUNER

B
+3V3-DVBT
F050F
+3V3-TUNER
U012F
F023F
F022F
1 3
+3V3-DT VIN1 VOUT1
2 4
VIN2 VOUT2
7
NC
8 5
EN BP|ADJ
GND GND_HS
F030F
F024F
U011F
2
L023F I059F OUT_1 F025F
+3V3-DT
3 4
IN OUT_2
30H
GND
QM14.3E LA 10.
SDA-TUNER
SCL-TUNER
IF-N-DVBT2
IF-P-DVBT2
IF-AGC-DVBT2
+2V5-TUNER
DVBS-IP
F031F
DVBS-QP
DVBS-AGC
X002F TUNER-LNB
+V-LNB
+1V8-TUNER
DT-IF-AGC-DVBT2
DT-DVBS-IP
DT-DVBS-QP
DT-DVBS-AGC
DT-TUNER-LNB DT-TUNER-LNB
X008F
+V-LNB-DT
EN 51
C017F 10pF
L007F
R002F 47 50V
C018F 10pF
30H
L008F
R003F 47
50V
30H L011F
1KH
L012F
1KH
F039F
R004F
1K
F040F
C038F 100nF
16V
F041F
C039F 100nF
16V
F011F
C033F 1nF
F042F
50V
TUNER-LNB
C048F 10pF
L013F
DT-SDA-TUNER R023F 47 50V
10pF
30H C053F
L020F
DT-SCL-TUNER R024F 47
50V
30H
L024F
DT-IF-N-DVBT2
1KH
L025F
DT-IF-P-DVBT2
1KH
F047F
R030F
1K
F048F
C036F 100nF
16V
F049F
C045F 100nF
16V
F029F
C123F 1nF
F051F
50V
back to
2014-Apr-17
div.table
F036F
F037F
F035F
F038F
X292
F034F
SUT-PEX31ZX
S012F
1
ANT_5V/GND
50m 2
+3V3-TUNER
VCC
3
SDA
4
SCL
5
IF_N
6
IF_P
7
AGC_T
8
IOUT
9
QOUT
10
AGC_S
11
LNB_IN
12
RES_1
13
RES_2
14
+1V8-TUNER
VCC_2
F043F
15
SDA_2
16
SCL_2
17
IF_N_2
18
IF_P_2
19
AGC_T_2
20
+2V5-TUNER
F044F 2.5V
21
IOUT_2
22
QOUT_2
23
AGC_S_2
24
LNB_IN_2
F045F
F046F
MTK UHD 50 Hz
7800
B
I2C
address
=
0XC0
SUT-PE231ZN
SUT-PE531Z
COMMON
SUT-PE531Z only
F052F
1 2014-02-14
715RLPCB000000037
19580_093_140313.eps
14-03-26