LG 566LM DIAGRAM

5. BLOCK DIAGRAM

I601 TDA7057AQ TO Speakers

AC 110~220V
INPUT

D-SUB 15PIN
R,G,B analog Input

(D-SUB 15PIN)

Hsync
Vsync

BUF
I102
74F14

SWITCHING POWER SUPPLY
& DC/DC

I106
AD9883KST-110

+5V for

Microprocessor

SVSYNC
SHSYNC_UC

+5V

(VCC)

I2C BUS(SDA,SCL)

12V for INVERTER

I104,I105
3V3

RGB 24bits

ZHSYNC
CSIN
CKADCA

RGHS

COAST

SHSYNC
SVSYNC

ASICPDP
TTfc-RSTn
TTfc-INTn

Volume Control

I101-3.3V

+3V3

I109
Zipro TC_t0946
LCD CONTROLLER

R/G/B
Out

I110-2V5

+2V5

OVI OVFB

I119
AIC1341
DC-DC for Panel

LCD FLAT PANEL

48 Bits

STH, LP,
HMS1_O,
HMS2_E,
POL, CKH,
CLKV, STV

FLAT PANEL INTERFACE

+9V2+18V-6V

TO
BACKLIGHT
High Volt

INVERTER

+3V3 +3V45

(Adjustable)

DDC-SDA
DDC-SCL
& +5V
FROM D-SUB
15 PIN

I103
24LC21
DDC
EEPROM

OSC.
12MHZ
X101

DDC-SCL

DDC-SDA

I107
Microprocessor

I108
24LC16
EEPROM

I2C BUS(SDA,SCL)

OVVS

OVHS

OVCLK

I111
OSD IC
T857D

BACKLIT ON/OFF & Brightness control

PANELPWR

(PANEL power ON/OFF Control)

KeyPad

LGE-566LM LCD Monitor Block Diagram

OSC.

14.318MHz
X102

(PANEL power ON/OFF Control)

I2C BUS(SDA,SCL)

+5V

Q101,I118
for
Panel Power
Control CKT

5/20/2002 -7-