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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > BlackBerry (RIM) > BlackBerry Hardware Repair

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Old 09-12-2013, 03:03   #1 (permalink)
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bb torch 9800 display light


hello, i have bb 9800 torch with no light on screen

some times light come and the phones are ok but some times the light go off and i can see the screnn but no light.

keypad light are ok

i test with another lcd and flex cable some prb sometimes have light sometimes no.

i'm sure that the prb come from the motherbord

recently i heat the motherbord, result no light only the keyborad light are ok

if you have a solution please help me thanks
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Old 09-12-2013, 06:24   #2 (permalink)
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look at this

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Old 09-12-2013, 11:53   #3 (permalink)
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Look at this ???????????????
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Old 09-12-2013, 12:43   #4 (permalink)
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Ah something else. When the phone is fully charged light work perfectly. However when the battery is on 70% 60% of charge the problem of light back
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Old 09-12-2013, 13:18   #5 (permalink)
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sensor

i would like to help. but it doesnt let me to post any attachment or link.
.
my bad
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Old 09-12-2013, 16:49   #6 (permalink)
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Quote:
Originally Posted by nizoudj View Post
Look at this ???????????????



PICEK PO DAB !!
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Old 09-13-2013, 07:12   #7 (permalink)
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I also have the same problem wiith my bb torch 9800 , lights tends to go on and off all of the time, please specify what part should be repaired or replaced, any other solutions might help, really need solutions, thanks!
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Old 09-13-2013, 13:11   #8 (permalink)
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Today I solved my problem.
This is a problem of cover.
The superior part does not coincide with the Lower Tier part, there was such a gap between the two parts.
I replace the track on which slides the two parties, i has no more space and light display works very well now cover.
I think it is a kind of sensor when both parties are not good compatibility between them the light does not work very well.
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