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

Sony Ericsson Hardware Repair Post here your Hardware Repairing Hints or Problems with SonyEricsson and Sony Phones.

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Old 02-10-2010, 12:42   #1 (permalink)
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w200 display light problem

hi can any one help me
Sony Ericsson w200 display light problem
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Old 02-10-2010, 18:49   #2 (permalink)
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please check this

W200 K310 K320 Lcd Light Solution
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Old 02-18-2010, 07:51   #3 (permalink)
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W200 display light:

1.First make sure that problem is not on lcd side. When phone get`s some water lcd Led anode and cathode are shorted. U can check that by measuring resistans between lcd 2nd and 3rd pin.

2.Measure voltage on C870, there must be ~5,5V if phone is powered on and not in idle.

3.If 5,5V is not present Check that Vbat reach to C869, if not most probably R831 is damaged, must be 5R6 Ohm`s.

4.If still no luck, try changing Led Driver (TPS60231) D802

5.If still nothing Replace processor (DB2012) D300

Best Regard`s

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