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Go Back   GSM-Forum > GSM Mobile / Tablets Brands -Software Area- > Sony Ericsson > Sony Ericsson Hardware Repair Area

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

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Old 02-15-2004, 14:54   #1 (permalink)
Freak Poster
 
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Crazy T66

hello
i have very strange T66 here - it cannt be powered on but when i put battery to the phone it still vibra! i see that vibra pad is one grounded but the second is shorted to vbat line, can anyone tell me where is problem? i havent got service manual to measure where is short...

thanx a lot

Platy
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Old 02-17-2004, 03:12   #2 (permalink)
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reflow all ic's with hot air station ...
try flashing ... first language part
if all ok ... reflash mcu + ppm ...
and it must work

b.r.
Alexandar.
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Old 02-23-2004, 12:26   #3 (permalink)
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it cannt be flashed..... it is not SW problem, vibra pad is shorted to vbat line, can anyone tell me where to dowload service manual wih layouts?
Thanx

Platy
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Old 02-23-2004, 17:07   #4 (permalink)
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Quote:
Originally Posted by platy
it cannt be flashed..... it is not SW problem, vibra pad is shorted to vbat line, can anyone tell me where to dowload service manual wih layouts?
Thanx

Platy

resold the board well with hot air + flux or better with ir station
90% of t66 has solder problem
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Old 02-24-2004, 00:28   #5 (permalink)
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after your description i thing is not SW problem.
maybe is water damaged(poot pcb on ultrasonic bath) if not then you need to read schematics to find where is the short circuirt.
contact with member with nick "poca" he will help you
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Old 11-01-2004, 22:47   #6 (permalink)
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the vibrator driver may be short...in most cases it is a small transistor...check
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