LG SJ9 - Power Block Diagram

3-4
DC-DC
12 VA
˧
D_1.2V
For MPEG
Wi-Fi moduleWireless module
BT module
LCD RMC module
DSP
DDR3
1Gbit
Serial Flash
128 Mbit
DAC
Line Driver
MPEG
DDR3 (1 Gbit )
NAND FLASH
MICOM
3.3 VA
Serial Flash
3.3 VA 3.3 VA
D_3.3V
1.2 V
D_1.5V D_1.5V D_3.3V
DSP_1.1V DSP_1.5V DSP_3.3V DSP_1.5V DSP_3.3V
DAC_1.2V DAC_3.3V DAC_3.3V
AMP IC
25 VA
HDMI 4k
HDMI_5.1VA
HD_1.0V HD_3.3V
ADC
DIR
VCC_5V
D_3.3V D_3.3V
OPTICAL
PORTABLE
HDMI IN x 1
HDMI OUT x 1
3.3 VA
VCC_5V
DC-DC
12 VA
˧
5.1 VA
3.3 VA
12 VA
DC-DC 25 VA
˧
12 VA
SW
SMPS
FRONT PCB
JACK PCB
LDO
5.1 VA
˧
DAC_3.3V
LDO
DAC_3.3V
˧
DAC_1.2V
DC-DC
5.1 VA
˧
3.3 VA
SW
DSP_3.3V
SW
D_3.3V
SW
WL_3.3V
DC-DC
5.1 VA
˧
3.5 V
DC-DC
5.1 VA
˧
D_1.5V
DC-DC
5.1 VA
˧
DSP_1.5V
DC-DC
5.1 VA
˧
DSP_1.1V
DC-DC
5.1 VA
˧
HD_1.0V
USB JACK
SW
SW
HD_3.3V
2. POWER BLOCK DIAGRAM