Haier service manual Customer Model HL42XR1 Service Model HL42XR1a

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M

SERVICE MANUAL

COLOR TV

Customer Model: HL42XR1

Service Model: HL42XR1a

CHASSIS: MTK5380L

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered b electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product deal with in this service information by anyone else could result in serious injury or death.

_#2009 (Qingdao Electronics limited company)

All rights reserved. Unauthorized copying and distribution is a violation of law.

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Contents Customer Model HL42XR1 Service Model HL42XR1a Contents Trouble Important notice General GuidelinesFollow the regulations and warnings Using Icons Safety Check after RepairmentOrdering Spare Parts Photo used in this manualLocation of Controls and Components Function Description Main Board Main Board & AV BoardCN1 +3V3SB 41 D ON/OFF Descdion Hrst Lvds Reiver Signal C+No Conntign No Conntien No Conntion No ConneXion Exmal VBR From SystemVlcd Remove the Terminal Bracket Remove the Pedestal Remove the speaker2Remove the Back Cover UnitRemove the one screw, take out the remote Control board Remove the power moduleRemove the Main board Remove the keypad controlExterna Equipment Connections AccessoriesChoose Your Connection External Equipment ConnectionsDVI Audio External A/V Source SetupVGA Video Audio R Audio -R Video L-AUDIO R Digital Set=top BoxConnecting a computer HDNll and DVI Connection Cable sample Wider Hole and Blade Connecting HeadphonesPolarized AC Cord Plug HL26K1/HL32K1/HL32XK1/HL42XK1 Basal informationBack panel connections @ @ Oo @Function introduction Setting Up Your Remote ControlMTS/SAP FRE£ CHL/SI Guide CCD ARC Favorite Circuit Diagram Block diagramMT5380 DDR1 LOOoF,lOV ----0.1oF lOOK OUT 71CO4O2/SMDCE3O CO4O2/SMDDV33 USB5V UI3DUSB DP USB onBx4 ?,5?56 PDDoR120 o?,5,5 RX0 IB N RX0 I N RX02B N RX02 N RX0CB N RX0C NRX0CB RX0C315 12V 1314151234581O15 23581O13 AV33 124781O13 3V3SBDVD¥1 YpbprolinCNC4 HS-SA-W SI320,HAIER DvdlR187 R158,A.27 ?or ?00LIO II.........APC9 TJCS3A/NC DvddCNC TestC4zuF16v/ 5H7 £10UWAMPPov,,,,pp modoi Wiring Connection DiagramHow to enter into Service Mode Measurements and AdjustmentsVideo Page Page Backlight Backlight adjust the backlight Page System Programblack White Refer To relative Simple checkPower Supply Board failure check State No Sound Main board failure checkNo Raster on Panel State= No pictureFailure Pannel failureShortbetween wire and electrode Connect Badness Between Wire ElectrodePannel and vsc connect bad Maybe caused by surge current and EDSPart Name Description Phenomena Failure cause B/L unitScrew Sincere Forever

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