Haier HL42XR1 Safety Check after Repairment, Ordering Spare Parts, Photo used in this manual

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1-2-6. Safety Check after Repairment

Confirm that the screws ,parts and wiring which were removed in order to service are put in the

original positions, or whether there are the portions which are deteriorated around the serviced

places serviced or not. Check the insulation between the antenna terminal or external metal and

the AC cord plug blades. And be sure the safety of that.

Insuration Test

1.Unplug the plug from the AC outlet.

2.Remove the antenna terminal on TV and turn on the TV.

3.Insulation resistance between the cord plug terminals and the eternal exposure metal

should be more than M ohm by using the 500V insulation resistance meter

4.If the insulation resistance is less than M ohm, the inspection repair should be required. If you have not the 500V insulation resistance meter, use a Tester.

External exposure metal: Antenna terminal Headphone jack

1-2-7. Ordering Spare Parts

Please include the following informations when you order parts. (Particularly the Version

letter)

1. Model number and Version letter

The model number can be found on the back of each product and the Version letter can be found at the end of the serial number.

2. Part No. and Description

You can find them in your service manual

1-2-8. Photo used in this manual

The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way.

1-3. How to read this Service Manual

1-4-1. Using Icons

Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in the table below:

Note:

A "note" provides information that is not indispensable, but may nevertheless be valuable to the reader, such as tips and tricks.

Caution:

A "caution" is used when there is danger that the reader, through incorrect manipulation,

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Contents Customer Model HL42XR1 Service Model HL42XR1a Contents Trouble Follow the regulations and warnings General GuidelinesImportant notice 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 ConnectionsVGA External A/V Source SetupDVI Audio Video Audio R Audio -R Video L-AUDIO R Digital Set=top BoxConnecting a computer HDNll and DVI Connection Cable sample Polarized AC Cord Plug Connecting HeadphonesWider Hole and Blade HL26K1/HL32K1/HL32XK1/HL42XK1 Basal informationBack panel connections @ @ Oo @MTS/SAP FRE£ CHL/SI Guide CCD ARC Favorite Setting Up Your Remote ControlFunction introduction Circuit Diagram Block diagramMT5380 DDR1 LOOoF,lOV ----0.1oF lOOK OUT 71CO4O2/SMDCE3O CO4O2/SMDDV33 USB5V UI3DUSB DP USB onBx4 ?,5?,5,5 PDDoR120 o?56 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 EDSScrew B/L unitPart Name Description Phenomena Failure cause Sincere Forever
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