Haier HLC22XSLW2 Service Manual - Contents

Manual is about: User Manual

Summary of HLC22XSLW2

  • Page 1

    Order no. Lcd tv model no. Chassis 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. Pro...

  • Page 2: Contents

    Contents chapter 1: general information 1-1. Document information ........................................................................... 3 1-2. General guidelines ................................................................................ 3 1-3. Important notice ..............................

  • Page 3

    4-3. Led driver board ............................................................................ 16 4-3-1. Function description:............................................................................ 16 &rqqhfwrugh¿qlwlrq ..........................................................................

  • Page 4

    Service manual model no.: hlc22xslw2 3 chapter 1: general information 1-1. Document information document format: adobe pdf author: zhou peng compiler: bao qinghong 1-2. General guidelines when servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been ...

  • Page 5

    Service manual 4 components commonly are called electrostatically sensitive (es) devices. The following whfkqltxhvvkrxogehxvhgwrkhosuhgxfhwkhlqflghqfhrifrpsrqhqwgdpdjhfdxvhge\ electros static discharge (esd). Electrostatically sensitive (es) devices some semiconductor (solid-state) devices can be da...

  • Page 6

    Service manual 5 1. Always unplug the receiver ac power cord from the ac power source before: a. Removing or reinstalling any component, circuit board module or any other receiver assembly. B. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. C. Connecting a ...

  • Page 7

    Service manual model no.: hlc22xslw2 6 3. Use only a grounded-tip soldering iron to solder or unsolder es devices. 4. Use only an anti-static type solder removal device. Some solder removal devices not fodvvl¿hgdvdqwlvwdwlffdqjhqhudwhhohfwulfdofkdujhvvxi¿flhqwwrgdpdjh(6ghylfhv 5. Do not use freon-pr...

  • Page 8

    Service manual 7 caution: a “caution” is used when there is danger that the reader, through incorrect pdqlsxodwlrqpd\gdpdjhhtxlsphqworrvhgdwdjhwdqxqh[shfwhguhvxowrukdvwr restart(part of) a procedure. Warning: a “warning” is used when there is danger of personal injury. Reference: a “reference” guide...

  • Page 9: &kdswhu6Shfl¿fdwlrq

    Service manual model no.: hlc22xslw2 8 model hlc22xslw2 screen size 21.5 inch aspect ratio 16:9 resolution 1920x1080 response time (ms) 5 (gray to gray) angel of view h:170/v:60 color display 16777216 no. Of preset channels 181 osd language english/french/spanish color system ntsc audio system m, bg...

  • Page 10

    Service manual 9 2-2 external pictures (four faces) front side left side model no.: hlc22xslw2.

  • Page 11

    Service manual model no.: hlc22xslw2 10 right side back side.

  • Page 12

    ① ② remover the fo screw indicated with remover the two pin indicated with ur ○. ○. Chapter 3. Disassemble and assemble 3-1. Remove the pedestal 3-2. Remove the front cover and remove the lcd panel 3-3. Remove the main board service manual model no.: hlc22slw2 11 ① lay down the unit so that rear cov...

  • Page 13

    ① remove the keypad assembly. ① ② . Remover the four screw indicated with then remove the ○. Speaker ① ② remover the one screw indicated with then remove the remote control board ○. . 3-4. Remove the speaker 3-5. Remove the keypad assembly 3-6. Remove the remote control board service manual model no...

  • Page 14

    Chapter 4. Location of controls and components 4-1. Board location 4-2. Main board service manual 13 no. Description a board main board b board c dvd led driver board model no.: hlc22xslw2.

  • Page 15

    4-2-1 function description: main board 3urfhvvvljqdozklfklqfhswiurph[whulruhtxlsphqwwkhqwudqvodwhlqwrvljqdowkdwsdqhofdqglvsod\ &rqqhfwrugh¿qlwlrq main board connector power connectors (cn1) cn1 pin number signal name 1 +12v 2 +12v 3 bl 4 dim 5 gnd 6 gnd 7 sw notes: cn1-pin 3: backlight on/off: the s...

  • Page 16

    Service manual 15 pin number signal name description 1 nc nc 2 nc nc 3 nc nc 4 nc nc 5 lvds_d0e_n lvds even 0 - signal 6 lvds_d0e_p lvds even 0 + signal 7 gnd ground 8 lvds_d1e_n lvds even 1 - signal 9 lvds_d1e_p lvds even 1 + signal 10 gnd ground 11 lvds_d2e_n lvds even 2 - signal 12 lvds_d2e_p lvd...

  • Page 17

    4-3. Led driver board 4-3-1. Function description: to supply power for panel. &rqqhfwrugh¿qlwlrq input connector (cnc1) service manual model no.: hlc22xslw2 16 power supply and inverter connector ˄cnc1˅ pin number signal name description 1& *1' ground *1' ground %/$'-867 ,19(57(5/ljkwqhvv$gmxvw %/21...

  • Page 18

    Service manual 17 panle lvds connector (cnc4) model no.: hlc22xslw2.

  • Page 19

    Chapter 5. Installation instructions service manual model no.: hlc22xslw2 18 over-the-air tv reception quality will depend on your antenna type, antenna location and antenna positioning. An t in vhf antenna uhf antenna turn clockwise to tighten bronze wire be careful not to bend the bronze wire when...

  • Page 20

    19 service manual connection option 1 set vcr output switch to channel 3 or 4 and then tune the tv to the same channel number. Connection option 2 connect the audio and video cables from the vcr’s a output jacks to the tv input jacks, as shown in the figure. When connecting the tv to vcr, match the ...

  • Page 21

    Service manual model no.: hlc22xslw2 20 how to use turn on the computer and the tv. A use input on the remote control to select vga or b hdmi source. Check the image on your tv. There may be noise c associated with the resolution, vertical pattern, contrast or brightness in vga mode. If noise is pre...

  • Page 22

    21 how to use if the source device supports auto hdmi function, the output resolution of the source device will be automatically set to 1280x720p. If the source device does not support auto hdmi, you need to set the output resolution appropriately. To get the best picture quality, adjust the output ...

  • Page 23

    22 connecting headphones you can connect a set of headphones to your set if you wish to watch a tv programmer without disturbing the other people in the room. Plug a set of headphones into the 3.5mm mini-jack socket on the rear panel of the set. Note ˖ Ƶ prolonged use of headphones at a high volume ...

  • Page 24: 6. Operation Instructions

    23 6. Operation instructions 6-1 front panel controls 6-2 back panel connections service manual input menu vol- vol+ ch- ch+ power 1 power press to turn on and off the tv. 2 input press to access the input source mode. Press repeatedly to change the source to the one you want to watch. In the menu s...

  • Page 25: Battery Loading

    24 battery loading 1. Slide open the cover of the battery compartment on the back of the remote controller. 2. Load two 7# (aaa) alkaline batteries in the compartment, (plus and minus poles to respective mark) 3. Replace the cover of the battery compartment. Remote control precautions as strong ligh...

  • Page 26: Chapter 7. Electrical Parts

    Chapter 7. Electrical parts 7-1. Block diagram 25 hdmi1 vga ypbpr tuner composite mt5305 main ic ypbpr composite l/r vga(p11)l/r ddr flash tda1517 p a n e l usb lvds eeprom i2c bus service manual ddr model no.: hlc22xslw2.