LG 26LG3000 (CHASSIS:LD84A) Service Manual ▷ View online
BLOCK DIAGRAM
1. Main Board
5V
Power
3.3V,2.5V,1.8V,1.2V,1.1V
IR
Headphone
Audio AMP
TDA8932BTW
12V
MT5380GKU
MPEG-1 layer I/II decoding
Audio ADC
Audio DAC
3D surround processing with
Virtual surround
Automatic volume control
Audio I/F
2-D Graphic
De-interlace
VADCx4
HDMI In I/F
Digital TV Demodulator
Analog TV IF Demodulator
TV audio demodulator
Audio ADC
Audio DAC
3D surround processing with
Virtual surround
Automatic volume control
Audio I/F
2-D Graphic
De-interlace
VADCx4
HDMI In I/F
Digital TV Demodulator
Analog TV IF Demodulator
TV audio demodulator
3.3V,2.5V,1.2V,1.1V
Power
Board
16
Common Interface Controller
MT8295
3.3V,1.8V
PCMCIA
5V,3.3V
D-SUB/PC-VGA
SCART
HDMI 1
HDMI 2
HDMI MUX
TMDS251PAGR
5V,3.3V
Audio R/L of CVBS
Audio R/L of PC
YPbPr/L/R
S-Video
Keypad
Channel
demodulator
MT5133
3.3V
TUNER
DVB-T
FQD1116ME
5V
FLASH MEMORY
MX25L3205DMI-12G
MX25L3205DMI-12G
3.3V
Flash MX25L3205DMI-12G
DDR SDRAM
HY5DU121622DTP-D4
3
3
2.5V
SPIDF OUT
2.5V
2.5V
EARPHONE AMP
2. Power Board
- 29 -
EXPLODED VIEW
020
030
040
050
060
070
080
100
090
120
11
0
130
140
150
160
180
170
190
290
270
280
200
210
220
230
240
250
260
010
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Wiring Diagram
PANEL
POWER
BOARD
BOARD
EBU57406201
MAIN BOARD
EBU57405901
SPEAKER
KEY BOARD
IR BOARD
COV30055601
COV30053502
LVDS CABLE
COV30054701
COV30054701
Inverter Wire
COV30055301
(Keypad & IR Wire)WIRE
COV30054901
EBU57410602
EBU57410501
SPEAKER WIRE
COV30055101
COV30055101
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