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Haier HL22XSL2 Service Manual - &kdswhu6Shfl¿fdwlrq

Other manuals for HL22XSL2: Owner's Manual, Owner's Manual

Summary of HL22XSL2

  • 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. Tv power board ............................................................................ 16 4-3-1. Function description:............................................................................ 16 &rqqhfwrugh¿qlwlrq ............................................................................

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    Service manual model no.: hl24xk2 3 chapter 1: general information 1-1. Document information document format: adobe pdf author: wanghaiyan 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 ov...

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    Service manual model no.: hl24xk2 4 components commonly are called electrostatically sensitive (es) devices. The following whfkqltxhvvkrxogehxvhgwrkhosuhgxfhwkhlqflghqfhrifrpsrqhqwgdpdjhfdxvhge\ electros static discharge (esd). Electrostatically sensitive (es) devices some semiconductor (solid-state...

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    Service manual model no.: hl24xk2 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 connectio...

  • Page 7

    Service manual model no.: hl24xk2 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-prope...

  • Page 8

    Service manual model no.: hl24xk2 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: ...

  • Page 9: &kdswhu6Shfl¿fdwlrq

    Service manual model no.: hl24xk2a 8 model hl24xk2a screen size 23.6 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, i,...

  • Page 10

    Service manual model no.: hl24xk2 9 2-2 external pictures (four faces) front side left side.

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    Service manual model no.: hl24xk2 10 right side back side.

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    ① lay down the unit so that rear cover downward. ② remove the two screw from the pedestal indicated with ③ ○. Then remove the pedestal . ① ② 1.2re move the front co ver 3 . Remove the speaker ① ② ① 1 4remove the main board . ① ① remover the four screw indicated with ○. Then remove the main board . ②...

  • Page 13

    ① remover the two screw indicated with ○. ② then remove the keypad assembly. 1 remove the remote control board .7 ① remover the one screw indicated with ○. ② then remove the remote control board . 1 remove the keypad assembly .6 service manual model no.: hl24xk2.

  • Page 14

    Chapter 4. Location of controls and components 4-1. Board location no. Parts number description board main board(0090724296) 4-2. Main board service manual model no.: hl24xk2 13 dc1aj0e0100m main board.

  • 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 model no.: hl24xk2 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 - signa...

  • Page 17

    4-3.Tv power board 4-3-1. Function description: to supply power for panel. &rqqhfwrugh¿qlwlrq input connector (cnc1) service manual model no.: hl24xk2 16 power supply and inverter connector ˄cnc1˅ pin number signal name description 1& *1' ground *1' ground %/$'-867 ,19(57(5/ljkwqhvv$gmxvw %/212)) ,1...

  • Page 18

    Service manual model no.: hl24xk2 17 panle lvds connector (cnc4).

  • Page 19

    Chapter 5. Installation instructions service manual model no.: hl24xk2 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 co...

  • Page 20

    19 service manual model no.: hl24xk2 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...

  • Page 21

    Service manual model no.: hl24xk2 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 presen...

  • 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

    Service manual model no.: hl24xk2 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 u...

  • Page 24: 6. Operation Instructions

    23 6. Operation instructions 6-1 front panel controls 6-2 back panel connections service manual model no.: hl24xk2 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 w...

  • Page 25: Battery Loading

    Service manual model no.: hl24xk2 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. 1 pictu...

  • 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 model no.: hl24xk2 ddr.

  • Page 28

    Service manual model no.: hl24xk2 7-3 .Wiring connection diagram 27.

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    Service manual model no.: hl24xk2 39.

  • Page 41

    Chapter 8. Measurements and adjustments 8-1. Service mode 8-1-1.How to enter into service mode the way to the factory mode menu: step 1: press menu, step 2: input 8893, step 3: press “ok” system will be into the factory mode menu when 3 steps above are done. 8-1-2.How to exit if you want to exit thi...

  • Page 42

    8-2-2. Video auto color the option could only be used in the vga and component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically. Color temperature the function could adjust the color temperature, used when debugging 41 service man...

  • Page 43

    8-2-3. Audio dolby banner: when turn it “on”, the model will be in dolby authentication state. Compression: compression style. Rf atv line av/s-video/ypbpr/vga compression factor: compression state. Downmix: output model. Mts system: used when debugging. The parameters only used when ghexjjlqjqrqhhg...

  • Page 44

    6lqjoh5)6fdq6hdufkfkdqqhovlqwkhiuhtxhqf\vfrshvhwlqdgydqfh factory scan: according to antenna-analog---antenna-digital---cable- analog---cable- digital to search channels, used only in project debugging. Tuner diagnostic: project debugging setting, used to inspect the audio function. 43 service manua...

  • Page 45

    8-2-5. Gamma gamma: bright gamma0.8 middle default settings in the program dark gamma1.2 8-2-6. Backlight backlight: adjust the backlight. Service manual model no.: hl24xk2 44.

  • Page 46

    8-2-7. Function burning mode: turn it “on” to enter the aging model, this is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time. Clean storage the function could make the model turn back to the factory defau...

  • Page 47

    Remark: the date of the chart only is an example, please don’t adjust the factory mode base on it. Service manual model no.: hl24xk2 46.

  • Page 48: Chapter 9. Trouble Shooting

    Chapter 9. Trouble shooting 9-1. Simple check no picture/ no sound verify if the television is properly plugged verify if the television is properly supplied power verify if electricity is available. Blank screen verify if correct signals are input press input button to change signal input to tv inp...

  • Page 49

    9-2. Power supply board failure check. Service manual model no.: hl24xk2 48.

  • Page 50

    9-3. Mainboard failure check symptom: no sound no sound (all mode) check the input source change source input check the input/output re-soldering or change ic u13 check the input/output re-soldering or change ic u55 check the input/output re-soldering or change ic u2 check the speaker change the spe...

  • Page 51

    9-4. Pannel failure failure mode part name description phenomena failure cause tcp v b/d v ertical bar block defect :tcp cracking or cracking dim or l/d :tcp sunken :tcp lead cracking :acf bonding short :a wful environment and something electric enter into lcd :mis-align between tcp and panel :panel...

  • Page 52

    Part name description phenomena failure cause panel or polarlzer dot defect bright dot dark dot in pannel incoming inspection standard polarizer bubble bladder in polarizer bladder between polarizer and top glass polarizer scratch polarizer scratch t ine or rigidity arose f/inside polarizer eyewinke...

  • Page 53

    Part name description phenomena failure cause circuit white screen b/l normal, only white screen display maybe caused by surge current and eds black screen b/l normal, only black screen display fiicker crosstalk lcd vcom imbalance abnormal color only color abormal capacitance improper bring crosstal...

  • Page 54

    Part name description phenomena failure cause mechanlcal nolse when turn panel,appear cacophony caused by mechanica noise of backlight unit ripple connectric circle causeed by between mechanism and pannel b/l of f b/l lose action *connect badness between wire and electrode b/l dark b/l brightness da...

  • Page 55

    Part name description phenomena failure cause mechanlcal or b/l light leakage brightness at bottom of lcm brighter than normal b/l unit badness uniformity b/l brightness asymmetric sheet in b/l unit is uneven mount hole lack screw or screw damage *lack screw screw damage service manual model no.: hl...

  • Page 56: Sincere Forever

    Sincere forever haier group haier industrial park, no.1, haier road 266101, qingdao, china http://www.Haier.Com printed in china.