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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 08-28-2002, 14:19   #1 (permalink)
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t28 prob.


i have a t 28 which was dead... when i see the continuty at the battey terminall.. they are short... i remove the pa.... the shortage is gone ... and phone switch on... but when i replace the new pa.. he phone again dead... and shortage on the battery terminalll again...

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Old 03-31-2003, 21:22   #2 (permalink)
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You have owerhot new PA or made some shortsercuit betvin PA & board. So, You need change PA agane. 100%
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Old 03-31-2003, 21:37   #3 (permalink)
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Change PA with temperature <270C
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Old 04-01-2003, 16:34   #4 (permalink)
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Porter is in right!

Sometimes when we are heating ,soldering paste (cooler of P.A., ground ,in the middle of P.A.)could go under buzzer,and you have "short cut" about few ohms,and because of that you must be cearfull ( dont put too much soldering paste on the new P.A.);or your temparature is to hight and P.A. is broken again.
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Old 04-02-2003, 21:22   #5 (permalink)
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use old pa cover to new pa and solder it 300c
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