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  1. #11
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    Re: Collection Of LCD TV Repair Cases

    PART 11

    Model: Skyworth 30AAA Chassis 8TP2 LCD TV
    Symptom: Sometime display white screen and then back to normal. After
    power on the TV, the words “Please wait” character move to top left side.
    Repair/Solution:
    Replaced the U804 (APX1117-5V) and the TV is working properly now.


    Model: SONY KDL32S2010E Chassis WAX2 LCD TV
    Symptom: Switches to standby for a short while, then back again.
    Repair/Solution:
    Replace standby push button on user control, has contact resistance.


    Model: Sony KDL32U2000 Chassis SE1 LCD TV
    Symptom: No Picture.
    Repair/Solution:
    Check SMD fuse CP101P on T-CON board. The T-CON board is behind the
    BDT board


    Model: SONY KDL40U2000 with SE1 Chassis LCD TV
    Symptom: No start-up, red LED light flashes 3 times.
    Repair/Solution:
    TV has slow start-up before this symptom occurred. When check standby 5v ok
    and PSU is heat sensitive. Check and replace the C6055 (47uf/25v) in G2
    supply it will solve the problem.


    Model: SONY KDL40U2000 LCD TV
    Symptom: Error codes 4
    LED light turns green, flashes 4 times then goes green again and flashes 4 times
    again. Fuse (500mA) on inverter panel is open circuit.
    Repair/Solution:
    Replace the fuse on inverter board.


    Model: SONY KLV26U2520 Chassis SE1 LCD TV
    Symptom: No picture but sound ok.
    Repair/Solution:
    Check SMD fuse CP101P on LVDS panel (T-CON).


    Model: Sony KDL32U2000 Chassis SE1 LCD TV
    Symptom: Stuck in standby. Standby LED light is green.
    Red LED light flashes 3 times. No remote control or front panel functions.
    Repair/Solution:
    Check or replace D301 zener diode (can be use a 5v zener diode) for short
    circuit.


    Model: Sylvania LC-420SSB (A81 H1UH)
    Symptom: High frequency noise from power transformer T600 when the TV is
    in the standby mode.
    Repair/Solution:
    Remove diode D655 from the power supply.


    Model: Sylvania LC420SS8 LCD TV
    With Power Supplies:
    1ESA20888
    1ESA20888-PW
    1ESA14710
    1ESA14710-PW
    Symptom: Low level hums (buzz) sound from speakers.
    Repair/Solution:
    Perform the following fix on the power supply board.
    1. Cut Jumper J220.
    2. Cut Jumper J256.
    3. Solder a wire (about 140mm AWG20) from J190 to J256. On J256, solder the
    jumper on the Audio Amplifier (IC800) side.


    Model: Toshiba 32WLT58 LCD TV
    Symptom: Dead
    Repair/Solution:
    Check F870 (2A), Q860 (STRZ4479) and D866. If F801 open circuit, then
    check the voltage regulator Q820 for short circuit. Also checked R831
    (4.7R/5W) and D825 (MTZJ33A).


    Model: Toshiba 20W330DB Chassis 17MB222 (Vestel) LCD TV
    Symptom: No Power
    Repair/Solution:
    The main fuse F800 (T2.5A) blew. Found main filter TR801 short circuit, D824
    (ST-TH12R06FP) also shorted. Check SMD IC802 (FAN7529) and Q803
    (FQPF13N50C) both short circuits. R830 (0.22R/3W) and SMD resistor R823
    (15R) both also open circuits.


    Model: Toshiba 20W330DB Chassis 17MB222 (Vestel) LCD TV
    Symptom: Stuck in Standby Mode.
    Repair/Solution:
    If the EEPROM IC was removed, the standby LED light turns to green colour.
    But still can’t start-up. Try to programme a new EEPROM IC, because can’t get
    the actual version of firmware, and then replace a new mainboard (17MB22-2).
    The TV is working properly now.


    Model: Viewsonic N3260W VS114361M LCD TV
    Symptom: No startup
    Repair/Solution:
    Check capacitors (with ESR Capacitor tester), Q7 and SMD resistor R65 (5.1R)
    in primary side of PSU. This TV set using the FSP228-3F01 PSU.


    Model: Viewsonic N3260W VS114361M LCD TV
    Symptom: Picture flickers and is brighter on the right, than on the left.
    Repair/Solution:
    Replace four electrolytic capacitors (2x 820uF and 2x 1000uF) in upper left
    PSU.


    Model: Vizio VO42LFHDTV10A LCD TV
    Symptom: Green distortion in picture.
    Repair/Solution:
    If PSU secondary side voltages ok. Check & clean contacts of ribbon cables
    coming from control board.


    Model: Westinghouse LTV40W1HDC LCD TV
    Symptom: Blue screen. No sound, no picture and no OSD.
    Repair/Solution:
    Replace circuit protector fuse on T-CON board.


    Model: Wharfedale LCD3210AF Chassis 17MB116 LCD TV
    Symptom: Starts-up, backlight came after that switches off immediately.
    TV runs ok when inverter board is externally supplied with 24v.
    Repair/Solution:
    Replace the C877 and C878 (15nf/630v) between heatsink of switching
    transistor and larger transformer on the primary side of the PSU.
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  2. The Following 3 Users Say Thank You to drichiez For This Useful Post:

    anmollpt (09-13-2014), lovepc (12-24-2015), Mithridates (08-12-2015)

  3. #12
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    Re: Collection Of LCD TV Repair Cases

    thx it helps alot

  4. The Following User Says Thank You to venrama For This Useful Post:

    fala (09-25-2015)

  5. #13
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    Re: Collection Of LCD TV Repair Cases

    HI
    ihave lg 32lc56 i change the caps and i have black screen and one green vertical line almost the center
    any help appreciate
    thanks

  6. #14
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    Re: Collection Of LCD TV Repair Cases

    thanks a lot for all information fault fineding

  7. #15
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    Re: Collection Of LCD TV Repair Cases

    Hi Thanks For this is very usefull

    Here is my Fault database I built some time ago

    fault-database.host56.com/Faults/

    enjoy !

  8. #16
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    Re: Collection Of LCD TV Repair Cases

    my Samsung 42in plasma turned off and now clicks from power board when I try to turn on. Audio works and Clicking stops when power lead from T-con board to power board is removed. any ideas? Thanks. Leon.

  9. #17
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    Re: Collection Of LCD TV Repair Cases

    my Samsung plasma picture died and just clicks now when trying to start. when the power cable is removed from the T-con to the power board the clicking stops and audio returns. any ideas. thanks.

  10. #18
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    Re: Collection Of LCD TV Repair Cases

    Quote Originally Posted by blueanfield [Only Registered and Activated Users Can See Links. Click Here To Register...]
    my Samsung plasma picture died and just clicks now when trying to start. when the power cable is removed from the T-con to the power board the clicking stops and audio returns. any ideas. thanks.
    Please start your own threadin the TV repair section Tv make and model number in the thread header.
    All posts spelling grammar checked
    Regards Tellyman

  11. #19
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    Re: Collection Of LCD TV Repair Cases

    Nice post very useful


    Sent from my iPhone using Tapatalk Pro

  12. #20
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    Re: Collection Of LCD TV Repair Cases

    Nice information gathered. LCD TV repair tips.
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