Blackberry 9700 Lcd Light Solution,Blackberry 9700 Light Jumpers. when damage light part then no light on the phone.lcd light and keypad light connected with series line so problem  any line then no light.first check light positive volt on the capacitor.if you see no voltage on the capacitor then check light ic and coil.damage any parts replace that parts
Blackberry 9700 no light solution

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