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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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cordless phone dead?
it will not turn on at all(nor talk/batt low diodes) even with
new battery... Here is its schematic http://www.geocities.com/anglomont/nb3908.jpg resoldered batt and charge contacts, q15 and q101 seem ok, any other suspect areas ? tnx |
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#2
Posted to sci.electronics.repair
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cordless phone dead?
wrote in message ... it will not turn on at all(nor talk/batt low diodes) even with new battery... Here is its schematic http://www.geocities.com/anglomont/nb3908.jpg resoldered batt and charge contacts, q15 and q101 seem ok, any other suspect areas ? tnx Volts at IC4 VDD pin 39 ? If no, pin 4 Q101? If yes to that, D16 o/c, C76 s/c or L3 o/c maybe ? If volts at pin 39 IC4, clock running on pins 18 and 19 (or 21 - 22 maybe)? L4 o/c ? Arfa |
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