LG SL4Y - Operating; Basic operations; USB operation

3-4
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Only for training and service purposes.
DCDC
[2A]
PVDD
12 VA
ADATOR
(25 V)
AMP
VD13ADC
1.3 VA
IC501
Crescendo 3+
WIRELESS
Module
WL_3V3
3.3 VA
BT Module
RCU, STB-LED
OPTICAL
DCDC DCDC
Switching
TR
+12 V
1.35 V
5.1 VA
VD33USB
VD33PLL
VD33
LDO
350 mA
NC
20 mA
10 mA
50 mA
IC302 IC300
IC303
AMP,
Front LED*4ea
Switch
P_CTRL
P_CTRL
IC309
IC312
10 mA
100 mA
10 mA
20 mA
100 mA
100 mA
VCC33
Q301
USB
LCD
500 mAUSB_5 V
Switch
IC306
VD33
3.3 VA
3.3 VA
DCDC
IC301
Switch
WL_P_CTRL_WF
IC310
VD33ADAC
VD33AADC
10 mA
NC
TUNER
50 mATUNNER_3.3 V
LDO
IC311
WIRELESS
Module
RBOX_3V3
100mA
Switch
WL_P_CTRL_RR
IC313
VCC_5 V
200 mA
2. POWER BLOCK DIAGRAM