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Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section. |
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03-03-2002, 00:48 | #1 (permalink) |
No Life Poster Join Date: Jun 2001 Location: UAE Age: 43
Posts: 1,419
Member: 5019 Status: Offline Sonork: 100.110196 Thanks Meter: 69 | 3310 No Lcd Shown I have 3310 lcd shows not anything, sometimes when i power on it shows some dots in lcd...... i changed lcd , no result also rehot Phone RAM , still no result any solutionss? |
03-04-2002, 06:39 | #4 (permalink) |
Freak Poster Join Date: Feb 2002
Posts: 193
Member: 9254 Status: Offline Thanks Meter: 4 | Hi you can try cleaning lcd pcb contacts , flashing s/w and checking contrast level. If still doesnt work after changing lcd (with one that u know works) You will need a service manual ( circuit diagram + component layout ) and some way of powering up pcb outside housing for voltage measurements :- check VBB 2.8 VDC at C409/413. check that voltage ay J314 is 2.8VDC (lcd reset) - if line short-circuited to ground will cause lcd not to work. Also check that voltage at both sides of R306 is 2.8 VDC. If all above values are ok, then you can bin it or use for spares , because MAD2 IC or PCB is probably faulty Hope this helps |
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