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SERVICE MANUAL
FOR LD2010A
TFT-LCD TV
Haier Group
Content
CONTENTS -----------------------------------------------------------------------------------------------1
Main Unit Description----------------------------------------------------------------------------------2
Features----------------------------------------------------------------------------------------------------4
Warning and Cautions---------------------------------------------------------------------------------6
Replacement of Memory IC--------------------------------------------------------------------------8
Net Dimension-------------------------------------------------------------------------------------------9
Remote Controller Functions----------------------------------------------------------------------10
ICs function description ----------------------------------------------------------------------------13
Block Diagram------------------------------------------------------------------------------------------21
Trouble Shooting---------------------------------------------------------------------------------------26
Front Panel Controls
2 3 4 5 1
TV/AV MENU VOL- VOL+ CH- CH+ POWER
6
7
Control Panel Function
1. Power supply switch
2.TV/AV Selects the input signals: PC/COMPONENT/AV/SV/TV
3. MENU Press to select the main menu
4. VOL- Volume down / Left orientation to adjust the item in the OSD
VOL+ Volume up / Right orientation to adjust the item/Press to enter
5. CH- TV channel down / to select the item in the menu
CH+ TV channel up / to select the item in the menu
6. Power indicator
Illuminates red in standby mode, illuminates green when the display is
turned on
7.Remote Sensor Receives the signals from the remote control
Connection Options
DVD
ANT IN
STOP PLAY/PAUSE OPEN/CLOSE
PC AUDIO IN
R
AUDIO IN
PREW NEXT
L
VIDEO IN
V
S-VIDEO
Pr
COMPONENT IN
Pb
Y
DVD insert
VGA IN
The figure is just for reference, please see the real.
Antenna Input
Connect cable or
antenna signals to
ANT IN
the TV, either direc-
tly or through your
cable box. Earphone port
PC AUDIO IN
PC Audio Input
Connect the PC output AV/S-VIDEO/
connector from a PC to COMPONENT Audio
the audio input port Input
R
AUDIO IN
Connect audio output
from an external device
L
to these jacks
Video Input
VIDEO IN
V
Connect video output
from an external
S-VIDEO
S-Video Input
device to this jack
Connect S-Video out
from an S-Video device
to the jacks.
Pr
COMPONENT IN
DVD/DTV Input
Pb
Connect a component
video/audiodevice to
VGA Input
Y
these jacks
Connect to the VGA
15PIN analog output
connector of a PC
VGA IN
display card to use set
as a PC display
Features
Model
NO. Functions
LD2010A
1 TFT AU
2 Screen size 20inch
3 Aspect ratio 16:9
4 Resolution 1366