Philips 40PFL3088H/12 - Page 45

Circuit Descriptions
EN 45TPN10.1E LA 7.
2013-Oct-18
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div. table
Figure 7-10 DC/DC converters ( for 40/47PFL3188T/60 & 40/47PFL3198T/60)
7.4 Front-End Analogue and DVB-T, DVB-C;
ISDB-T reception
7.4.1 Front-End Analogue part
The Front-End for analogue tuner consist of the following key
components:
• TUNER EUROPE system ST03CS-2-E
• SCALER NT72567BG-BA LFBGA-576
Below find a block diagram of the front-end application for
analogue part.
Figure 7-11 Front-End Analogue block diagram
7.4.2 DVB-T/C DTV part
The Front-End for DVB-T/C DTV part consist of the following
key components:
• TUNER EUROPE system ST03CS-2-E
• SCALER NT72567BG-BA LFBGA-576
Below find a block diagram of the front-end application for
DVB-T/C DTV part.
Figure 7-12 Front-End DVB-T2 DTV block diagram
7.4.3 DVB-T2 DTV part
The Front-End for DVB-T2 DTV part consist of the following
key components:
19530_207_130812.eps
130812
Q750
AON4421
AMP STA381BWTR
Q757
PANEL_VCC
PVDD
12V
12V
5V-STB
<10mA
1mA
<1820mA
<230 mA
<170 mA
<290 mA
<370 mA
<210 mA
500 mA
500 mA
NAND FLASH
K9F1G08U0D
-SIB0
MAIN CHIP
NT72568
PWR_12V
PWR_12V_AUD
STB_PWR5V
ST381BWTR
AUDIO AMP
POWER SWITCH
AON4421
Q750
PANEL_VCC_ON/OFF
PANEL_T-CON
PANEL
BUCK CONVERTER
RT8079
U701
DV1 1
PWR_ON
MAIN CHIP
NT72568
DV33SB
LDO
LM1108SF
U704
POWER SWITCH
AON4421
Q701
PWR_ON
PWR_16_24V
+5V_STB
+5V_STB
+5V_STB
+5V_STB
+5V or +12V
PWR_12V
POWER protect
APL3511CBI-TRG
U102
USB PWR
LDO
G1117-33
U201
SILICON TUNER
ST03CS-2-E
+5V_TUNER+5V_SW
+5V_SW
LDO
G1084-33TU3Uf
U702
+5V_SW
PCMCIA CARD
CI CARD PWR
VCC_CI
+5V_SW
CI_PWR_EN
MAIN CHIP
NT72568
DC Convertor
AP3417C
U703
NT72568
DV33
MAIN CHIP
DV1 5
DDRIII
K4B1G1646G-BCK0
DV15
+5V_SW
LDO
G1117-25T63Uf
U705
AV25
MAIN CHIP
NT72568
BUCK CONVERTER
RT7234
U707
PWR_ON
PWR_12V
BUCK CONVERTER
AT1528P11U
U706
+5V_SW
MAIN CHIP
NT78820T
AVDD1V2
+5V_SW
Depend on panel
USB PWR
IF_AGC
NT72567BG
IF_AGC
ST03CS-2-E
I
2
C
I
2
C
19530_208_130810.eps
130810
IF_AGC
NT72567BG
IF_AGC
ST03CS-2-E
I
2
C
I
2
C
19530_208_130810.eps
130810