Service Manuals, User Guides, Schematic Diagrams or docs for : HAIER LCD 20AL25S HAIER+20AL25S

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
HAIER+20AL25S


>> Download HAIER+20AL25S documenatation <<

Text preview - extract from the document
SERVICE MANUAL
   FOR 20AL25S




TFT-LCD TV
Haier America


                 TV-8888-56
                                       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
                                        HLE20BB
  1                 TFT                     LG
  2             Screen size                20inch
  3             Aspect ratio                4:3
  4             Resolution              800*600
  5             Brightness               450cd/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



◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo