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04-09-2005, 14:50
| #1 (permalink) |
| No Life Poster   Join Date: Apr 2002 Location: The Green Mile
Posts: 3,653
Member: 11325 Status: Offline Thanks Meter: 266 |  6600 powering on by itself when battrey is inserted.... switch has no effect at all can anyone enlighten me on this pls? tracks seem ok. No water damage. jsut replaced the 2 missing resistors under the switch since these were missing. tracks from switch seem ok too. phone works otherwise 100% ok. thanks for any help al |
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04-09-2005, 18:08
| #2 (permalink) |
| No Life Poster  Join Date: Jul 2004 Location: BANDA ACEH INDONESIA
Posts: 1,268
Member: 74519 Status: Offline Thanks Meter: 79 | remove switch power on/off and try to insert battery, if phone still auto on remove R133, now phone no power on when insert battery, so i think you know what to do..  sorry if i make some mistake cause I'm a biginner ...:0 |
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04-09-2005, 18:21
| #3 (permalink) | |
| Freak Poster  Join Date: Feb 2002
Posts: 193
Member: 9254 Status: Offline Thanks Meter: 4 | Quote:
B.R M@RTY | |
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04-10-2005, 21:11
| #4 (permalink) |
| No Life Poster Join Date: Apr 2002 Location: The Green Mile
Posts: 3,653
Member: 11325 Status: Offline Thanks Meter: 266 | checked if R133 is ****n up but it does not show a short shouldn't it be shorted if it is ****n up?? i exclude UEM is faulty... works 100% ok except the powering up/down using the switch. track to PWR is still there from under R133. al |
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04-11-2005, 19:51
| #5 (permalink) |
| Freak Poster Join Date: Feb 2002
Posts: 193
Member: 9254 Status: Offline Thanks Meter: 4 | If you would check the circuit R133 is a varistor that is used as a voltage protection device to protect the UEM from high voltage spikes from the power switch , what im trying to say is if this was one of the missing components and you can't find the short circuit then your UEM is possibly damaged by a voltage spike and has a internal short. I agree not worth changing the UEM for this type of fault. B.R M@RTY |
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