Key Back Light - Samsung SGH-Z107 Service Manual

F low Chart of Troubleshooting

9. Key Back Light

K ey B a cklig h t d o es n o t w o rk
Y es
N o
Is B A C K LIG H T s et S et B A C K LIG H T o n A lw ays O N
A lw ays O N inth e M en u ?
Y es
N o
R es o ld er C N 305 p in 30
C N 804 p in 30 = " L"?
o r rep lac e K eyP C BM o d u le
Y es
E N D
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