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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Various > Siemens-Benq > Siemens Hardware Repair Area

Siemens Hardware Repair Area all about Hardware Repairing you can get if here.

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Old 12-18-2002, 14:52   #1 (permalink)
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A35 Auto OFF when Lamp OFF


siemens A35 automatically turn off when LED power off. when i power ON, it like normally phone (can call, sms, ringer setting, etc). But if keypad not press & LED became dead, my phone will be dead too.

**********************
info: Batery is OK, Network Signal OK


thanks everybody
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Old 12-18-2002, 18:34   #2 (permalink)
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try replacing the clock crystal
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Old 12-19-2002, 11:23   #3 (permalink)
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thanks genolite

but...... i am sorry, i don't have A35 Schematic. so i don't know detail from this board.

help me again.... do you have A35 schematic. mail me: [email protected]

To MODERATOR :
- sorry i post in this sub forum because i don't know detail about A35.
- can sub forum in hardware repair make sub forum again like NOKIA, SIEMENS, ERICSSON, ETC...
- Thanks again and i am sorry for my question
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Old 12-19-2002, 16:22   #4 (permalink)
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no ... i don't have a35 schematic, but i think u wouldn't need any schematic for changing the clock crystal ...
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Old 12-19-2002, 20:10   #5 (permalink)
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Download the picture here:http://groups.yahoo.com/group/Pandem...connection.jpg
On the right part of the picture you will find the CPU PMB6850 and abowe this IC there is a small component with two pins (EA09 is written on it). That is a clock crystal. It's frequance is 32768Hz. You can use another crystal from any device that can display clock e.g TV,VCR,Watch or other phone at least. Also check whether this component is properly soldered.

Regards
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