Power Block Diagram - LG SJ3 Service Manual

2. POWER BLOCK DIAGRAM

SMPS
(24.5V)
IC608
DCDC
[2 A]
DCDC
LDO or Switch
PVDD
P_CTRL
IC605
5.1 VA
12 VA
DCDC
Alive VCC
Ctrl_VCC
P_CTRL
WL_CTRL
3-21
Q602
Switching
+12 V
TR
IC611
USB5V
Switch
IC602
VD33ADAC
LDO
VD33AADC
VD33ADAC
IC609
1.35 V VD13
Duel -DCDC
VD13ADC
3.3 VA VD33
VD33PLL
VD33USB
VD33
3.3 VA
3.3 VA
IC610
VCC33
Switch
WL_3V3
WL_CTRL
3-22
AMP
10 mA
500 mA
USB
10 mA
5 mA
350 mA
Main DSP
1 mA
100 mA
10 mA
20 mA
100 mA
BT Module
10 mA
OPTICAL
20 mA
RCU, STB-LED
100 mA AMP,
Front LED*3ea
100 mA WIRELESS
Module