LG LB570D, LB570E BLOCK DIAGRAM

BLOCK DIAGRAM

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POWER CORD

15-pin D-SUB SIGNAL CABLE

POWER

SUPPLY

CONTROL PCB

INVERTER PCB

MAIN LOGIC

PCB

LCD MODULE

System Block Diagram

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BLOCK DIAGRAM FOR LB570D (570LE)

24bit

Video

Digital

Video Processor

MX88L284

R

G

B

HS/VS

Dot clock

System Controller

MC68HC05BD32

Power Connector

DC/D C

Converter

(L4973D5.1)

REG

REG

REG

REG

REG

Analog

Switch

+5V

+5V Module

I2C

Control

EEPROM

(24LC08B)

Link Connector

Panel Link

Transmit ter

( Sil 100 )

Control

Signal

TMDS

SDA/SCL

15PIN

3 ROW

D-SUB

PRE AMP+ ADC

+PLL

TDA8752B

8 BIT

8 BIT

8 BIT

H-sync

Clamp

Buffer

+24V GND

+5VST

+5VPLL

+3.3VD2

+3.3VD

+5V

+5V

+5VPLL

+5VANA

5VST

+3.3VD

+3.3VD

V-sync

ADDR

DA TA

10

16

/RD

/WR

MEMORY

2M Byte * 2

I2C

+3.3VD2

H-sync

V-sync

Control

Communication

8bit