Service Manuals, User Guides, Schematic Diagrams or docs for : HAIER LCD 15HL25S HAIER+15HL25S
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SERVICE MENUAL
FOR 15HL25S
TFT-LCD TV
Haier Group
TV-8888-70
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
Main Unit Description
HLH15BB
2 3 4 1 5
7 6 HLE20BB
2 3 4 1
7 65
1 2 3 4 5
15HL25S/20AL25S
TV/AV MENU VOL- VOL+ CH- CH+ POWER
6 7
Control Panel Function
1.TV/AV Selects the input signals: 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 Receives the signals from the remote control
Connection Options
(The figure is just for referrence, please see actual unit. )
AV /S-VIDEO/COMPONENT Audio Input
Connect audio
DC Power Cord Socket output from an external
This TV operates on DC Antenna Input
device to these jacks Connect cable or
power. The voltage is
indicated on the specifications antenna signals to
page. Never attempt to the TV, either direc-
operate the TV on ac power tly or through your
cable box.
Y Pb Pr
L R V
DC IN COMPONENT IN D-SUB IN PC AUDIO IN AUDIO IN VIDEO IN S-VIDEO ANT IN
DVD/DTV Input PC Audio Input
Connect a component Connect the PC output Earphone port
device to these jacks connector from a PC to
the audio input port S-Video Input
D-SUB Input Connect S-Video out
from an S-Video device
Connect to the VGA
to the jacks.
15PIN analog output
connector of the PC Video Input
Connect video
display card for PC
output from an external
display purpose
device to this jack
Features
Model
NO. Functions
15HL25S
1 TFT SVA
2 Screen size 15inch
3 Aspect ratio 4:3
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