Circuit Descriptions
7.
Figure 7-4 DC/DC converters
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 SUT-PE231AN for 7100/7120/7150
series
•
TUNER Europe SUT-PE531AN for 7170 series
•
SCALER 88DE3214B0-BTP2C000 BGA-770 TV
Processor
•
Analog DEMODULATOR TDA8296HN/C1 HVQFN-40
Figure 7-5 Front-End DVB block diagram
7.4.2
Front-END DVB-C, DVB-T(2),DVB-S(2) reception DTV part
The Front-End for DTV part consist of the following key
components:
•
TUNER EUROPE SUT-PE231AN for 7100/7120/7150
series
•
TUNER Europe SUT-PE531AN for 7170 series
•
SCALER 88DE3214B0-BTP2C000 BGA-770 TV
Processor
•
DECODER SI2167-B22-GMR QFN-48 for
7100/7120/7150 series
•
IO CONTROLLER CIMAX LFBGA-180
•
PCMCIA CARD R/A 68P 1*1 BLACK 10.8mm
Below find a block diagram of the front-end application for DVB
part.
Figure 7-6 Front-End DVB block diagram
19810_202.eps
+12V
PMIC
88PG867RB0
+1V8-STANDBY
ST
T
T
T
AN
U007U
Marvell 88DE
Marvell (SM)
+1V5-MRV
NT72324
LDO
AZ1117CH
-3.3G1
PMIC
88PG867SB0
SENSE-VCPU
+3V3-MRV
+VPMIC
+3V5-STANDBY
+5V-FE
U008U
EN2 +VPMIC
EN2 +5V-FE
EN1 +5V-FE
EN1 +5V-FE
+3V3-DVB
U005F
Chanel
decoder
T/T2/C/C2/S
/S2
DC/DC
RT8288A
ZSP
U017U
DC/DC
RT8288A
ZSP
U019U
+5V-USB
DETECT12V
5V-USB
USB 1, 2, 3
DC/DC
RT8288A
ZSP
U018U
+3V3
3V3
LDO
RT9187GS
P
Tuner
U007F
+3V3
+2V5-TUNER
U011F
EMMC
(Marvell)
LDO
AZ1117CH
-1.8G1
+1V8-TUNER
AMBI SPI
DC/DC
LNBH26
LSPQR
U001F
i2C
LNB
+V-LNB-DT +V-LNB
DC/DC
RT7277
GSP
+1V2
U009U
1V2
HDMI
SWITCH
SII9777
CiMAX
+1V2-DVB
SWITCH
DC/DC
RT8079Z
QW
U011U
DDR-ENABLE
Marvell DDR
+1V5-MRV
LDO
RT9173DG
SP
U013U
+VTT
USB Hub
Ethernet
+1V8-AVDD
+3V3-STANDBY
+3V3-CIMAX
+3V5-STANDBY
LDO
RT9193-
33GB
U003U
+3V3-STANDBY
To RF4CE
IR sensor,
Keyboard
CN1108/7
connector
Wifi X031
connector
LDO +
switch
RT9048
U001U
+3V3-LAN
WOLAN-ENABLE
Over
current
protection
U022U
Ambilight
CN1106
connector
+12V-AL
AMBI-POWER
+12V
+3V5-STANDBY
X090
+12V-AL
Connector from PSU
SENSE-VCORE
U009D
Switch
AO3414
+1V8-MRV
+5V-FE
U3604
+1V2-CIMAX
Analog
Demodulator
U004F
+VDD-1V21-FB
+VDD-3V3
+SBVCC5V
+3V3
DC/DC
RT7277
GSP
UU4101
+1V0-BST
+1V5-MRV
+1V8-STANDBY
Switch
AO3414
Q4101
+1V1-NT-OK
+3V3-NT
EMMC
(NT72324)
A03414
+3V3-NT
Switch
NT72324 DDR
DC/DC
RT7277
GSP
UU4100
+2.5VNT
Switch
AO3414
+5V-FE
Q7300
DC/DC
RT7277
GSP
+3V3-NT
+3V3-NT
+2.5VNT
U4100
DC/DC
RT7277
GSP
U4101
BE-ENABLE
+1V1-NT
CAM 1&2
Q3304
NT-LCD-PWR-ON
U4100
DISPLAY
+12V-DISP
U022U
Audio AMP
U002D
+12V-AUDIO
PVDD
+12V-AUDIO
Marvell
scaler
Analog
demod.
Analog Demod
TDA8296HN/C1
SUTPE231AN or SUT-PE531AN
IF
Hybrid
tuner
19810_203.eps
SPI
Marvell
scaler
TS-in
TS-in
CiMax
LFBGA
-180
Hybrid
tuner
S-Tuner
CI
DVB-T/C/S
T2/S2
DVB-T/C/S
T2/S2
SI2167-B22-GMR or SI2169-C50-GM
SUTPE231AN or SUT-PE531AN
19810_204.eps