Circuit Descriptions
7.
back to
Figure 7-5 Power Front-end
Figure 7-6 Power Back-end
19580_134_140320.eps
14-03-21
Dual
DC/DC
MTK
+12V
+1V5-MTK
+3V3
DC/DC
+1V2-MTK
MTK
DDR’s
LDO
+1V1-DVBT2
Channel
decoder
DC/DC
+5V
USB
1,2&3
CI
Skype
3D
emitter
LDO
+3V3-DVBT
TUNER
+3V3-TUNER
-
DC/DC
+V-LNB
LNB
to back end
Thermal
sensor
IR key
board
MTK IO
MTK
analog
Ethernet
Nand
flash,
eeprom
AmbiLight
Audio
amplifier
+12V
Spdif optical
output
LDO
+1V0-HDMI
HDCP IC
Rogue
Sil9679
U005F
U010U
U007U
U011U
U003F
U021C
U002F
19580_135_140320.eps
14-03-21
Dual
DC/DC
Novatek
+12V
+1V5-M
+1V0-M
Novatek
DDR’s
Switch
+3V3-NVT
LDO
+2V5-M
Novatek
72314
+3V3
Novatek
IO supply
voltages
Novatek
U028B
U026B
U025B