Haier HLE20BB User manual

SERVICE MANUAL
FOR HLE20BB
TFT-LCD TV
Haier Group
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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
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Control Panel Function
1.TV/AV PC/COMPONENT/AV/SV/TV
2. MENU Press to select the main menu
3. VOL-(V-) Volume down / Left orientation to adjust the item in the OSD
VOL+ (V+) Volume up / Right orientation to adjust the item/Press to enter
4. CH-(P-) TV channel down / to select the item in the menu
CH+(P+) TV channel up / to select the item in the menu
5. Power supply switch
6. Power indicator
Illuminates red in standby mode, illuminates green when the display is
turned on
7.Remote Sensor
Selects the input signals:
Receives the signals from the remote control
TV/AV MENU VOL- VOL+ CH- CH+ POWER
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HLH15BB
HLE20BB
15HL25S/20AL25S
Main Unit Description
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AV /S-VIDEO/COMPONENT Audio Input
Connect audio
output from an external
device to these jacks
D-SUB Input
Connect to the VGA
15PIN analog output
connector of the PC
display card for PC
display purpose
S-Video Input
Connect S-Video out
from an S-Video device
to the jacks.
Antenna Input
Connect cable or
antenna signals to
the TV, either direc-
tly or through your
cable box.
Connection Options
Earphone port
PC Audio Input
Connect the PC output
connector from a PC to
the audio input port
(The figure is just for referrence, please see actual unit. )
DVD/DTV Input
Connect a component
device to these jacks
ANT IN
S-VIDEO
D-SUB IN PC AUDIO IN AUDIO IN
R
L
VIDEO IN
V
Pb PrY
COMPONENT IN
Video Input
Connect video
output from an external
device to this jack
DC IN
DC Power Cord Socket
This TV operates on DC
power. The voltage is
indicated on the specifications
page. Never attempt to
operate the TV on ac power
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Features
Model
NO. Functions
HLE20BB
1 TFT LG
2 Screen size 20inch
3 Aspect ratio 4:3
4 Resolution 800*600
5 Brightness 450cd/m2 cd/m2
6 Contrast(Darkroom) 350:1
7 Response time(ms) 16
8 Color system NTSC
9 NO. of preset channels 100
10 Picture mode Yes
11 Angel of view H:176°/ V:176°
12 Color display 16,777,216
13 Color level 16
14 OSD languages ENGLISH,FANCE, SPAISH
15 AV stereo Yes
16 Surrounding sound No
17 Audio system M
18 Bass Yes
19 Balance Yes
20 Sound mode Yes
21 Mute Yes
22 BTSC Yes
23 AV input Yes
24 AV output NO
25 Y CB CR Yes
26 Y PB PR Yes
27 S-video jack NO
28 TV in Yes
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