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

Motorola Hardware Repair here all threads Related to Motorola Hardware Servicing and Repairing.

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Old 01-22-2003, 15:41   #1 (permalink)
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Motorola 2288 charging


This motorola v2288 does not charge at all. I usually change the 3 leg chip above charge connector but this one is still not charging. All other functions OK. Help??

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Old 01-22-2003, 16:59   #2 (permalink)
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If Q960 is ok then:
First check charging socket, then check charger detect on Q961 pin 1 should have charging vlotage.
Then check R962,then check whether U960 Trickle Charge function is working. Connect charger and without battarys check if pin1 Q960(basis) is pulsing, if it is check if positive battary pad is also has pulsing voltage (if Q961.1 is pulsing and positive pad not faulty Q691). If Q961.1 is not pulsing then faulty U960.

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Last edited by b0ba; 01-22-2003 at 17:04.
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Old 01-23-2003, 06:10   #3 (permalink)
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Thanx a lot Man! trying solutions
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