Block Diagrams; System Block Diagram - LG NP7550 Service Manual

BLOCK DIAGRAMS

1. SYSTEM BLOCK DIAGRAM

10 W 5 V 2 A
DCDC Boost
TPS61175
mUSB
Audio_L /R
PORTABLE
MCS
BT
CS8811
3.3 VA_BT
Battery Charging Control
Display
For Jig
USB
9.6 V
Charger
BQ24133
PVDD
DCDC Buck
3.4 VA
TPS563200
4.5~17 V 3 A
3.4 VA
I2S_MCLK/BCK/LRCK
PCM1808
3.3 VS/ 5 V
I2S_DATA
RX/ TX/ RST/ CTS/ RTS/ I2C
CP chip
I2C/ RST
Class 6
3.3 VA
Display JIG control
USB_DP/ DM
8.4 V
6~8.4 V
LDO AP7335
2~6 V 0.3 A
AP7335 3.3 V
AP7335
1.2 VA
AP7335x2
1.2 V
AP7335 3.3 V_BT
AP7335 3.3 VS
I2S DATA
I2C
PDN/ RST
SD
CS2
MLC3730M6
SF_CK/ DI/ DO
SDRAM
CS1
1.2 V/ 3.3 V
1.2 A/ 3.3 VA
Key x5 / LED x9
PWAKEUP/ PWR_CTRL/ BTPWR_CTRL
USB1.1
24MHz
3-15 3-16
Battery
7.4 V 2600 mA
LDO
LM37102
5 V
2.5~16 V 1 A
MBRD10
COIL
3.3 uH
D
N-CH FET
G
TPS40210
TPCA8A11
S
PVDD Boost Block
LPF
FR+/-
AMP
TAS5733
3.3 V/ 13 V
FL+/-
S.FLASH
MX25L8035
3.3 VA
S.FLASH
MX25L12835
3.3 VA
KEY/LED
3.3 VA
Power control x3
PVDD
Speaker
FR
FL