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

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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Old 10-18-2004, 12:50   #1 (permalink)
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7650 display problem


hello friends, i have 3 7650 with same problem,
the problem is that when i switch on the phones the lights comes on,
but only black tiny horizontal lines show on the lcd,
i have changed more than 5 trusted lcd no result, so i have ruled out lcd as the problem, can someone tell me where this problem is located,

thanks,

gibso.
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Old 10-18-2004, 16:25   #2 (permalink)
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Try to flash. Maybe not LCD problem...
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Old 10-19-2004, 08:07   #3 (permalink)
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7650 problem

Quote:
Originally Posted by gibso
hello friends, i have 3 7650 with same problem,
the problem is that when i switch on the phones the lights comes on,
but only black tiny horizontal lines show on the lcd,
i have changed more than 5 trusted lcd no result, so i have ruled out lcd as the problem, can someone tell me where this problem is located,

thanks,

gibso.
have you try to make a call? if you can make a call, it mean LCD problem but if you can't make a call, it is sofware and hardware problem, so you must try to ceck sofware fist by flash it using griffin without detect phone, why griffin? cause griffin more powerfull to flash this phone, if you can't flash or griffin give you error it mean hardware problem, usualy is Flash IC or Memory...
regards
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Old 10-19-2004, 13:25   #4 (permalink)
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thanks for your ideas guys justincase i forfoti've already flashed phone both with prodigy and twister, my lcd's are also 100% good,

thanks again for your care, more ideas pls

gibso.
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Old 10-19-2004, 13:55   #5 (permalink)
btl
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then check the lcd contact maybe one if the pins is of just try resoldering it maybe that could help
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Old 01-15-2006, 14:11   #6 (permalink)
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i have same problem. help
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Old 08-20-2007, 14:13   #7 (permalink)
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My Nokia 7650 Is Working Properly But Lcd Lights Are Not Getting On . Can Any One Solve This Problem. ?
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Old 08-20-2007, 20:00   #8 (permalink)
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[QUOTE=rufi1711;2653760]My Nokia 7650 Is Working Properly But Lcd Lights Are Not Getting On . Can Any One Solve This Problem. ?try to replace light booster
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