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Level 3 Repair
8-3-2. LCD
Power Switch On
LCD FPCB
correctly connect
LCD Display
connector is co
On?
NO
NO
rrectly connecti
ned?
Yes
F500, F503,
F500, F503,
F504, HDC500
F504, HDC500
, Resolder
Correctly moun
Yes
NO
ted?
Yes
C500
NO
Replace U500 &
LED+_18=18V?
Check neighboring circuits
Yes
Replace LCD
END
8-9
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