Haier HL42XR1 service manual State= No picture, No Raster on Panel

Page 52

State= No picture

No Raster on Panel

ail

t,.

Fail

v

Fail

Fail

Change the backlight B/D	I

Re-soldering or change

IC UA1 and RNA1-17

Re-soldering or change

IC U13

Change the Panel wire

52

Image 52

Contents Customer Model HL42XR1 Service Model HL42XR1a Contents Trouble Important notice General GuidelinesFollow the regulations and warnings Safety Check after Repairment Using IconsOrdering Spare Parts Photo used in this manualLocation of Controls and Components Main Board & AV Board Function Description Main BoardCN1 +3V3SB 41 D ON/OFF Hrst Lvds Reiver Signal C+ DescdionNo Conntign No Conntien No Conntion No ConneXion Exmal VBR From SystemVlcd Remove the Pedestal Remove the speaker Remove the Terminal Bracket2Remove the Back Cover UnitRemove the power module Remove the one screw, take out the remote Control boardRemove the Main board Remove the keypad controlAccessories Externa Equipment ConnectionsExternal Equipment Connections Choose Your ConnectionDVI Audio External A/V Source SetupVGA Digital Set=top Box Video Audio R Audio -R Video L-AUDIO RConnecting a computer HDNll and DVI Connection Cable sample Wider Hole and Blade Connecting HeadphonesPolarized AC Cord Plug Basal information HL26K1/HL32K1/HL32XK1/HL42XK1@ @ Oo @ Back panel connectionsFunction introduction Setting Up Your Remote ControlMTS/SAP FRE£ CHL/SI Guide CCD ARC Favorite Block diagram Circuit DiagramMT5380 DDR1 LOOoF,lOV ----0.1oF lOOK 71CO4O2/SMD OUTCE3O CO4O2/SMDDV33 UI3D USB5VUSB DP USB on?,5 Bx4?56 PDDoR120 o?,5,5 RX0CB N RX0C N RX0 IB N RX0 I N RX02B N RX02 NRX0CB RX0C131415 315 12V1234581O15 23581O13 AV33 124781O13 3V3SBYpbprolin DVD¥1CNC4 HS-SA-W SI320,HAIER DvdlR187 R158,A.27 ?00 ?orII.........A LIOPC9 TJCS3A/NC DvddTest CNCC4zuF16v/ 5H7 £10UWAMPWiring Connection Diagram Pov,,,,pp modoiMeasurements and Adjustments How to enter into Service ModeVideo Page Page Backlight Backlight adjust the backlight Page Simple check System Programblack White Refer To relativePower Supply Board failure check Main board failure check State No SoundState= No picture No Raster on PanelPannel failure FailureConnect Badness Between Wire Electrode Shortbetween wire and 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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