LG FLATRON L2320A - Block Diagram

BLOCK DIAGRAM
- 9 -
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Main Video
In put
A
D
D
AC IN Power control
5VST
18. 5V
18VM
18VM(LCM/Inverter/USB Power)
Sub Video
In put
8MB 8MB
Frame Buffer
Memory(SDRAM)
5VC 2.5V
5VST
USB UP
LCM/Inverter/etc . Control signal & Audio L ine out
Scaler
(MX88L285U)
D-SUB
DVI-I
DVI-D Display
Output
ADC
(AD9888
205MHz)
ADC
(AD9883
140MHz)
Power control
Vid eo Out
CONNECTING
B/D
SCALER
B/D
POWER
B/D
8MB
Frame Buffer
Memory(SDRAM)
Composite
Vid
eo
S-Video
Y Pb Pr
DVD(480i)
18VC
18VA
2.5V
5VC
5VST
DC/DC
(LM2676
5V)
DC/DC
(LM2596
5V)
DC/DC
(LM2596
Adjustable)
Vid eo
Out
Deinterlacer
(FLI2310)
Vid eo Decoder
(VPC3230D)
Tuner
AV B/D
Flash
ROM
(256KB)
Source
Flash
ROM
(512KB)
OSD
MCU
8bit
Latch
Audio Decoder
(MSP3410G-B11)
USB UP
USB UP
SIF
VIF
Y
C
18VA 5VA
TMDS RX
(SIL161B)
TMDS RX
(SIL161B) TMDS TX
(SIL160)
23inch
WUXGA
LCD Module
(1920 1200)
&
x
Inverter
18V-LCM
18VM
TMDS
USB UP
Control Signal
5VST
Remote
Remote
5VST
AUDIO JACK
B/D
BRIDGE B/D
USB HUB
KEY CONTROL B/D POWER KEY B/D
18V-INVT
DTV(~1080i) YPbPr
DTV & DVD
Audio in
PC 1
Audio
in
PC 2
Audio
in
USB
UP
AV
Au dio
Speaker-Out
Head
Phone
Speaker-out
Line-out
Line-out
J10
J1 J2
U1
U12 U2
U14
U17 SPIN(23.0) U9
U27
U301
U302
J706
U601
J703 J705 J701
VPC-
Y(7..0)
VPC-C(7..0)
SPIN( 15..0)
AVSCALER
74ALVC162839
74ALVC162839
74ALVC162839
48BIT
AV PIN(15..0)
U7
U15
U18
MPINA (
MPINB(
23
..
0
)
23
..
0
)
AV PIN (15..0)
SPIN( 23..0)
MPINA (
15
..
0
)
15
..
0
)
SPIN(
HPTV IN(15..0)