5300 keypad not working of lcd part

answer: 5300 keypad not working of lcd part

5300 keypad not working of lcd part
Change keypad ic, will work 100%

follow this diagram below:

5200_5300_Keypad.jpg
 
answer: 5300 keypad not working of lcd part

thanks now keypad working fine but i have another problem too.
that is now lcd & keypad light not working. lcd, led, rebon, display panel ok. pls help me
 
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