VK VK4500, Service Manual

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VK Quality Group GSM C/S
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☞
LCD Backlight Trouble
LCD Backlight Trouble
S T A R T
L C D _ B L
F P C B A sse m b le
O K ?
M a in L C D _ B L
J 7 0 1 2 8p in H IG H ?
R e a sse m b le
F P C B
C h e ck
U 2 0 1
F o ld e r U 1 8p in
H IG H ?
C h e ck
U 1
R e p la ce L C M
E N D
Y E S
N O N O
N O
N O
Y E S
Y E S