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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair

Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 11-02-2004, 11:26   #1 (permalink)
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P400 no back light on Lcd screen


Does anyone have the solution
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Old 11-02-2004, 11:27   #2 (permalink)
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Check driver for EL-Backlight. or change lcd.
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Old 11-02-2004, 11:57   #3 (permalink)
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...or flex cable.
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Shiljo
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Old 11-02-2004, 13:03   #4 (permalink)
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I think most probably is the flex cable, but does anyone have the pic to show the pinout, i think the thread is o/c so need the pic to show me so i can use wire to solder the point
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Old 11-02-2004, 13:50   #5 (permalink)
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@Shiljo..

When you change the lcd you also change the flex....
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Old 11-02-2004, 16:44   #6 (permalink)
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Quote:
Originally Posted by Jocke
@Shiljo..

When you change the lcd you also change the flex....

Yes,but...flex cable is <10EURO and complete LCD with flex cable is >40EURO and it is very hard to find it...
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Old 11-04-2004, 23:53   #7 (permalink)
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1-you sure test and replace flat lcd or backlight

2- check the connector board

3-replace or change the (LTYN) IC 100% OK
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Old 03-03-2006, 16:22   #8 (permalink)
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hi i have same problem no light lcd but i don't want to change flex i want just to know if someone can help me to put 1 wire ..light ways on flex cable....need a chip solution...not expences
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Old 04-24-2006, 16:42   #9 (permalink)
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change the flex cable. this is the problem(in most of the cases)
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Old 05-06-2006, 07:41   #10 (permalink)
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Usually changing the flex will fix the problem.
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Old 05-06-2006, 18:12   #11 (permalink)
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change LTYN
another change flex
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